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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build XMPP with Swift 5.10 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FluuxIO/XMPP.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/FluuxIO/XMPP
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at d1ac605 Remove compilation warning
Cloned https://github.com/FluuxIO/XMPP.git
Revision (git rev-parse @):
d1ac6054704358adb886d49ab9510942b19b9ee4
SUCCESS checkout https://github.com/FluuxIO/XMPP.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.10
Building package at path:  $workDir
https://github.com/FluuxIO/XMPP.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-nio-ssl.git
[1/12147] Fetching swift-nio-ssl
[11177/76586] Fetching swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-nio-ssl.git from cache (4.62s)
Fetched https://github.com/apple/swift-nio.git from cache (4.69s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.7.1 (0.47s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.16.0 (0.55s)
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.16.0
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.7.1
Building for debugging...
[0/445] Write sources
[4/445] Compiling cbb.c
[5/445] Write sources
[7/445] Compiling CNIOSHA1 c_nio_sha1.c
[8/445] Compiling CNIOLinux shim.c
[9/445] Compiling CNIOLinux ifaddrs-android.c
[10/445] Compiling CNIODarwin shim.c
[11/445] Compiling CNIOBoringSSLShims shims.c
[12/445] Compiling p256.c
[13/445] Compiling handshake_server.cc
[14/445] Compiling curve25519.c
[15/445] Compiling c-nioatomics.c
[16/445] Compiling s3_lib.cc
[17/445] Compiling s3_both.cc
[18/445] Write swift-version-24593BA9C3E375BF.txt
[19/445] Compiling handshake_client.cc
[20/445] Compiling c-atomics.c
[21/445] Compiling tls_method.cc
[22/445] Compiling tls_record.cc
[23/445] Compiling tls13_enc.cc
[24/445] Compiling tls13_client.cc
[25/449] Compiling tls13_server.cc
[26/449] Compiling t1_enc.cc
[27/449] Compiling tls13_both.cc
[28/449] Compiling t1_lib.cc
[29/449] Compiling ssl_transcript.cc
[30/449] Compiling ssl_versions.cc
[31/449] Compiling ssl_stat.cc
[32/449] Compiling ssl_x509.cc
[33/449] Compiling ssl_session.cc
[34/449] Compiling ssl_privkey.cc
[35/449] Compiling ssl_file.cc
[36/449] Compiling ssl_key_share.cc
[37/449] Compiling ssl_lib.cc
[38/449] Compiling ssl_buffer.cc
[39/449] Compiling ssl_cipher.cc
[40/449] Compiling ssl_asn1.cc
[41/449] Compiling ssl_cert.cc
[42/449] Compiling ssl_aead_ctx.cc
[43/449] Compiling s3_pkt.cc
[44/449] Compiling handshake.cc
[45/449] Compiling handoff.cc
[46/449] Compiling dtls_record.cc
[47/449] Compiling dtls_method.cc
[48/449] Compiling v3_utl.c
[49/449] Compiling d1_srtp.cc
[50/449] Compiling d1_pkt.cc
[51/449] Compiling v3_sxnet.c
[52/449] Compiling v3_skey.c
[53/449] Compiling v3_purp.c
[54/449] Compiling v3_pmaps.c
[55/449] Compiling d1_lib.cc
[56/449] Compiling v3_pku.c
[57/449] Compiling v3_prn.c
[58/449] Compiling v3_pcons.c
[59/449] Compiling d1_both.cc
[60/449] Compiling v3_pcia.c
[61/449] Compiling v3_ocsp.c
[62/449] Compiling bio_ssl.cc
[63/449] Compiling v3_ncons.c
[64/449] Compiling v3_pci.c
[65/449] Compiling v3_int.c
[66/449] Compiling v3_lib.c
[67/449] Compiling v3_genn.c
[68/449] Compiling v3_info.c
[69/449] Compiling v3_extku.c
[70/449] Compiling v3_ia5.c
[71/449] Compiling v3_enum.c
[72/449] Compiling v3_cpols.c
[73/449] Compiling v3_crld.c
[74/449] Compiling v3_bcons.c
[75/449] Compiling v3_conf.c
[76/449] Compiling v3_bitst.c
[77/449] Compiling v3_akey.c
[78/449] Compiling v3_akeya.c
[79/449] Compiling v3_alt.c
[81/449] Compiling NIOConcurrencyHelpers NIOAtomic.swift
[82/449] Emitting module NIOConcurrencyHelpers
[82/449] Compiling pcy_map.c
[83/449] Compiling pcy_tree.c
[84/449] Compiling pcy_node.c
[85/449] Compiling x_x509a.c
[86/449] Compiling pcy_lib.c
[87/449] Compiling pcy_data.c
[88/449] Compiling pcy_cache.c
[89/449] Compiling x_val.c
[90/449] Compiling x_x509.c
[91/449] Compiling x_spki.c
[92/449] Compiling x_sig.c
[93/449] Compiling x_req.c
[94/449] Compiling x_pubkey.c
[95/449] Compiling x_exten.c
[96/449] Compiling x_attrib.c
[97/449] Compiling x_name.c
[98/449] Compiling x_pkey.c
[99/449] Compiling x_info.c
[100/449] Compiling x_all.c
[101/449] Compiling x_crl.c
[102/449] Compiling x_algor.c
[103/449] Compiling x509spki.c
[104/449] Compiling x509name.c
[105/449] Compiling x509cset.c
[106/449] Compiling x509rset.c
[107/449] Compiling x509_txt.c
[108/449] Compiling x509_v3.c
[109/449] Compiling x509_vpm.c
[110/449] Compiling x509_set.c
[111/449] Compiling x509_vfy.c
[112/449] Compiling x509_r2x.c
[113/449] Compiling x509_trs.c
[114/449] Compiling x509_req.c
[116/449] Compiling NIOConcurrencyHelpers lock.swift
[116/449] Compiling x509_lu.c
[117/449] Compiling x509_obj.c
[118/449] Compiling x509_ext.c
[119/449] Compiling x509_d2.c
[120/449] Compiling x509_att.c
[121/449] Compiling x509_def.c
[122/449] Compiling x509.c
[123/449] Compiling x509_cmp.c
[124/449] Compiling t_x509a.c
[126/449] Compiling NIOConcurrencyHelpers atomics.swift
[126/450] Compiling t_x509.c
[127/450] Compiling t_req.c
[129/450] Compiling t_crl.c
[130/450] Compiling i2d_pr.c
[131/450] Compiling rsa_pss.c
[132/450] Compiling by_file.c
[133/450] Compiling by_dir.c
[134/450] Compiling algorithm.c
[134/450] Compiling a_verify.c
[136/450] Wrapping AST for NIOConcurrencyHelpers for debugging
[137/450] Compiling a_sign.c
[138/450] Compiling thread_win.c
[139/450] Compiling a_strex.c
[140/450] Compiling asn1_gen.c
[141/451] Compiling thread_pthread.c
[141/451] Compiling privacy_pass.c
[143/461] Compiling thread.c
[144/465] Compiling thread_none.c
[145/499] Compiling a_digest.c
[146/508] Compiling siphash.c
[147/508] Compiling refcount_c11.c
[148/508] Compiling stack.c
[149/508] Compiling windows.c
[149/508] Compiling refcount_lock.c
[151/508] Compiling rsa_print.c
[152/508] Compiling rc4.c
[153/508] Compiling rsa_asn1.c
[154/508] Compiling fuchsia.c
[155/508] Compiling rand_extra.c
[156/508] Compiling deterministic.c
[157/508] Compiling forkunsafe.c
[158/508] Compiling pool.c
[159/508] Compiling poly1305_arm_asm.S
[160/508] Compiling poly1305_arm.c
[161/508] Compiling poly1305.c
[162/508] Compiling pkcs7.c
[163/508] Compiling pem_xaux.c
[164/508] Compiling p5_pbev2.c
[165/508] Compiling pkcs8.c
[166/508] Compiling pkcs8_x509.c
[167/508] Compiling pkcs7_x509.c
[168/508] Compiling pem_x509.c
[169/508] Compiling pem_pkey.c
[170/508] Compiling pem_oth.c
[171/508] Compiling pem_pk8.c
[172/508] Compiling obj_xref.c
[173/508] Compiling pem_info.c
[174/508] Compiling mem.c
[175/508] Compiling lhash.c
[176/508] Compiling pem_lib.c
[177/508] Compiling hkdf.c
[178/508] Compiling pem_all.c
[179/508] Compiling obj.c
[180/508] Compiling poly_rq_mul.S
[181/508] Compiling x86_64-mont5.mac.x86_64.S
[182/508] Compiling x86-mont.linux.x86.S
[183/508] Compiling x86_64-mont.mac.x86_64.S
[183/508] Compiling x86_64-mont5.linux.x86_64.S
[185/508] Compiling vpaes-x86_64.mac.x86_64.S
[186/508] Compiling x86_64-mont.linux.x86_64.S
[187/508] Compiling vpaes-x86_64.linux.x86_64.S
[188/508] Compiling poly1305_vec.c
[189/508] Compiling vpaes-x86.linux.x86.S
[190/508] Compiling vpaes-armv8.linux.aarch64.S
[191/508] Compiling vpaes-armv7.linux.arm.S
[191/508] Compiling vpaes-armv8.ios.aarch64.S
[193/508] Compiling vpaes-armv7.ios.arm.S
[194/508] Compiling hrss.c
[195/508] Compiling kdf.c
[196/508] Compiling sha512-x86_64.mac.x86_64.S
[197/508] Compiling sha512-armv8.linux.aarch64.S
[198/508] Compiling sha512-armv8.ios.aarch64.S
[199/508] Compiling sha512-x86_64.linux.x86_64.S
error: emit-module command failed with exit code 1 (use -v to see invocation)
[201/508] Emitting module NIO
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[201/508] Compiling sha512-586.linux.x86.S
[202/512] Compiling sha512-armv4.ios.arm.S
[203/516] Compiling sha512-armv4.linux.arm.S
[204/516] Compiling sha256-x86_64.mac.x86_64.S
[205/516] Compiling sha256-armv8.linux.aarch64.S
[206/516] Compiling sha256-armv8.ios.aarch64.S
[207/516] Compiling sha256-x86_64.linux.x86_64.S
[208/516] Compiling sha256-armv4.ios.arm.S
[209/516] Compiling sha256-586.linux.x86.S
[210/516] Compiling sha256-armv4.linux.arm.S
[211/516] Compiling sha1-x86_64.mac.x86_64.S
[212/516] Compiling sha1-armv8.ios.aarch64.S
[213/516] Compiling sha1-x86_64.linux.x86_64.S
[214/516] Compiling sha1-armv4-large.linux.arm.S
[215/516] Compiling sha1-armv8.linux.aarch64.S
[216/516] Compiling sha1-armv4-large.ios.arm.S
[217/516] Compiling sha1-586.linux.x86.S
[218/516] Compiling sha512.c
[219/516] Compiling sha1-altivec.c
[220/516] Compiling sha256.c
[221/516] Compiling rsaz-avx2.mac.x86_64.S
[222/516] Compiling sha1.c
[223/516] Compiling rsa.c
[224/516] Compiling rsaz-avx2.linux.x86_64.S
[225/516] Compiling self_check.c
[226/516] Compiling rdrand-x86_64.mac.x86_64.S
[227/516] Compiling blinding.c
[227/516] Compiling padding.c
[229/516] Compiling rand.c
[230/516] Compiling rsa_impl.c
[231/516] Compiling rdrand-x86_64.linux.x86_64.S
[232/516] Compiling urandom.c
[233/516] Compiling p256_beeu-x86_64-asm.mac.x86_64.S
[233/516] Compiling ctrdrbg.c
[235/516] Compiling p256-x86_64-asm.mac.x86_64.S
[236/516] Compiling polyval.c
[236/516] Compiling p256_beeu-x86_64-asm.linux.x86_64.S
[238/516] Compiling ofb.c
[239/516] Compiling p256-x86_64-asm.linux.x86_64.S
[240/516] Compiling gcm_nohw.c
[241/516] Compiling ctr.c
[242/516] Compiling gcm.c
[243/516] Compiling md5-x86_64.mac.x86_64.S
[244/516] Compiling cbc.c
[245/516] Compiling cfb.c
[246/516] Compiling md5.c
[247/516] Compiling md5-586.linux.x86.S
[248/516] Compiling md4.c
[249/516] Compiling md5-x86_64.linux.x86_64.S
[250/516] Compiling is_fips.c
[251/516] Compiling hmac.c
[252/516] Compiling ghashv8-armx32.ios.arm.S
[253/516] Compiling ghashv8-armx64.linux.aarch64.S
[254/516] Compiling ghashv8-armx32.linux.arm.S
[255/516] Compiling ghashv8-armx64.ios.aarch64.S
[256/516] Compiling ghash-x86.linux.x86.S
[257/516] Compiling ghash-x86_64.mac.x86_64.S
[258/516] Compiling ghash-x86_64.linux.x86_64.S
[259/516] Compiling ghash-ssse3-x86.linux.x86.S
[259/516] Compiling ghash-ssse3-x86_64.mac.x86_64.S
[261/516] Compiling ghash-neon-armv8.linux.aarch64.S
[262/516] Compiling ghash-ssse3-x86_64.linux.x86_64.S
[263/516] Compiling fips_shared_support.c
[264/516] Compiling ghash-neon-armv8.ios.aarch64.S
[265/516] Compiling ghash-armv4.linux.arm.S
[267/516] Compiling NIO PendingDatagramWritesManager.swift
[268/516] Compiling NIO PendingWritesManager.swift
[269/516] Compiling NIO PipeChannel.swift
[270/516] Compiling NIO PipePair.swift
[271/516] Compiling NIO PriorityQueue.swift
[272/516] Compiling NIO RecvByteBufferAllocator.swift
[273/516] Compiling NIO Resolver.swift
[274/516] Compiling NIO Selectable.swift
[274/516] Compiling ghash-armv4.ios.arm.S
[274/516] Compiling ecdsa.c
[276/516] Compiling ecdh.c
[277/516] Compiling scalar.c
[278/516] Compiling wnaf.c
[279/516] Compiling simple_mul.c
[280/516] Compiling util.c
[281/516] Compiling simple.c
[282/516] Compiling oct.c
[283/516] Compiling felem.c
[284/516] Compiling p224-64.c
[285/516] Compiling ec_montgomery.c
[286/516] Compiling ec_key.c
[287/516] Compiling ec.c
[288/516] Compiling digests.c
[289/516] Compiling co-586.linux.x86.S
[290/516] Compiling digest.c
[291/516] Compiling e_des.c
[292/516] Compiling e_aes.c
[293/516] Compiling bsaes-armv7.ios.arm.S
[293/516] Compiling cipher.c
[295/516] Compiling bsaes-armv7.linux.arm.S
[296/516] Compiling des.c
[296/516] Compiling aead.c
[298/516] Compiling shift.c
[299/516] Compiling sqrt.c
[300/516] Compiling p256-x86_64.c
[301/516] Compiling prime.c
[302/516] Compiling rsaz_exp.c
[302/516] Compiling random.c
[304/516] Compiling mul.c
[305/516] Compiling jacobi.c
[306/516] Compiling montgomery_inv.c
[308/516] Compiling NIO SocketProtocols.swift
[309/516] Compiling NIO System.swift
[310/516] Compiling NIO Thread.swift
[311/516] Compiling NIO ThreadPosix.swift
[312/516] Compiling NIO ThreadWindows.swift
[313/516] Compiling NIO TypeAssistedChannelHandler.swift
[314/516] Compiling NIO UniversalBootstrapSupport.swift
[315/516] Compiling NIO Utilities.swift
[315/516] Compiling generic.c
[316/516] Compiling gcd_extra.c
[317/516] Compiling gcd.c
[318/516] Compiling div_extra.c
[319/516] Compiling montgomery.c
[320/516] Compiling exponentiation.c
[321/516] Compiling div.c
[322/516] Compiling ctx.c
[323/516] Compiling cmp.c
[324/516] Compiling bytes.c
[325/516] Compiling bn.c
[326/516] Compiling add.c
[327/516] Compiling bn-586.linux.x86.S
[328/516] Compiling armv4-mont.linux.arm.S
[329/516] Compiling x86_64-gcc.c
[330/516] Compiling armv8-mont.ios.aarch64.S
[331/516] Compiling armv8-mont.linux.aarch64.S
[332/516] Compiling aesv8-armx64.linux.aarch64.S
[333/516] Compiling armv4-mont.ios.arm.S
[334/516] Compiling aesv8-armx32.linux.arm.S
[335/516] Compiling aesni-x86_64.mac.x86_64.S
[336/516] Compiling aesv8-armx64.ios.aarch64.S
[337/516] Compiling aesni-gcm-x86_64.mac.x86_64.S
[338/516] Compiling aesv8-armx32.ios.arm.S
[339/516] Compiling aesni-x86.linux.x86.S
[340/516] Compiling aesni-x86_64.linux.x86_64.S
[341/516] Compiling mode_wrappers.c
[342/516] Compiling aesni-gcm-x86_64.linux.x86_64.S
[343/516] Compiling aes.c
[344/516] Compiling key_wrap.c
[345/516] Compiling sign.c
[346/516] Compiling scrypt.c
[347/516] Compiling ex_data.c
[347/516] Compiling aes_nohw.c
[349/516] Compiling pbkdf.c
[350/516] Compiling p_x25519.c
[351/516] Compiling p_x25519_asn1.c
[351/516] Compiling print.c
[353/516] Compiling p_ed25519.c
[354/516] Compiling p_ed25519_asn1.c
[355/516] Compiling p_rsa.c
[356/516] Compiling p_rsa_asn1.c
[357/516] Compiling p_ec.c
[358/516] Compiling p_ec_asn1.c
[359/516] Compiling p_dsa_asn1.c
[360/516] Compiling err_data.c
[361/516] Compiling evp_asn1.c
[362/516] Compiling evp.c
[363/516] Compiling digestsign.c
[364/516] Compiling evp_ctx.c
[365/516] Compiling ecdsa_asn1.c
[366/516] Compiling engine.c
[367/516] Compiling err.c
[368/516] Compiling ecdh_extra.c
[369/516] Compiling ec_derive.c
[370/516] Compiling dsa_asn1.c
[371/516] Compiling params.c
[371/516] Compiling dsa.c
[371/516] Compiling digest_extra.c
[374/516] Compiling ec_asn1.c
[375/516] Compiling dh_asn1.c
[376/516] Compiling check.c
[377/516] Compiling crypto.c
[378/516] Compiling dh.c
[379/516] Compiling spake25519.c
[380/516] Compiling cpu-ppc64le.c
[381/516] Compiling cpu-arm.c
[382/516] Compiling cpu-intel.c
[383/516] Compiling cpu-arm-linux.c
[384/516] Compiling cpu-aarch64-linux.c
[385/516] Compiling cpu-aarch64-fuchsia.c
[386/516] Compiling x25519-asm-arm.S
[387/516] Compiling cmac.c
[388/516] Compiling tls_cbc.c
[389/516] Compiling conf.c
[390/516] Compiling e_tls.c
[391/516] Compiling e_rc4.c
[392/516] Compiling e_null.c
[393/516] Compiling e_chacha20poly1305.c
[394/516] Compiling e_rc2.c
[395/516] Compiling e_aesgcmsiv.c
[396/516] Compiling derive_key.c
[397/516] Compiling e_aesccm.c
[398/516] Compiling e_aesctrhmac.c
[399/516] Compiling chacha20_poly1305_x86_64.mac.x86_64.S
[399/516] Compiling cipher_extra.c
[401/516] Compiling chacha.c
[402/516] Compiling aes128gcmsiv-x86_64.mac.x86_64.S
[403/516] Compiling chacha20_poly1305_x86_64.linux.x86_64.S
[404/516] Compiling aes128gcmsiv-x86_64.linux.x86_64.S
[405/516] Compiling chacha-x86_64.mac.x86_64.S
[406/516] Compiling chacha-x86_64.linux.x86_64.S
[407/516] Compiling chacha-x86.linux.x86.S
[408/516] Compiling chacha-armv4.linux.arm.S
[409/516] Compiling chacha-armv8.ios.aarch64.S
[410/516] Compiling chacha-armv8.linux.aarch64.S
[411/516] Compiling chacha-armv4.ios.arm.S
[412/516] Compiling unicode.c
[413/516] Compiling ber.c
[414/516] Compiling bn_asn1.c
[415/516] Compiling asn1_compat.c
[416/516] Compiling buf.c
[417/516] Compiling convert.c
[418/516] Compiling cbs.c
[419/516] Compiling socket.c
[420/516] Compiling printf.c
[421/516] Compiling socket_helper.c
[422/516] Compiling hexdump.c
[423/516] Compiling file.c
[424/516] Compiling pair.c
[425/516] Compiling base64.c
[426/516] Compiling bio_mem.c
[428/516] Compiling NIO FileRegion.swift
[429/516] Compiling NIO GetaddrinfoResolver.swift
[430/516] Compiling NIO HappyEyeballs.swift
[431/516] Compiling NIO Heap.swift
[432/516] Compiling NIO IO.swift
[433/516] Compiling NIO IOData.swift
[434/516] Compiling NIO IntegerTypes.swift
[435/516] Compiling NIO Interfaces.swift
[436/516] Compiling NIO Linux.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[437/516] Compiling NIO LinuxCPUSet.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[438/516] Compiling NIO MarkedCircularBuffer.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[439/516] Compiling NIO MulticastChannel.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[440/516] Compiling NIO NIOAny.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[441/516] Compiling NIO NIOCloseOnErrorHandler.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[442/516] Compiling NIO NIOThreadPool.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[443/516] Compiling NIO NonBlockingFileIO.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[444/516] Compiling NIO Codec.swift
[445/516] Compiling NIO DatagramVectorReadManager.swift
[446/516] Compiling NIO DeadChannel.swift
[447/516] Compiling NIO Embedded.swift
[448/516] Compiling NIO EventLoop.swift
[449/516] Compiling NIO EventLoopFuture.swift
[450/516] Compiling NIO FileDescriptor.swift
[451/516] Compiling NIO FileHandle.swift
[451/516] Compiling fd.c
[452/516] Compiling connect.c
[454/516] Compiling NIO ByteBuffer-views.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[455/516] Compiling NIO Channel.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[456/516] Compiling NIO ChannelHandler.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[457/516] Compiling NIO ChannelHandlers.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[458/516] Compiling NIO ChannelInvoker.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[459/516] Compiling NIO ChannelOption.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[460/516] Compiling NIO ChannelPipeline.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[461/516] Compiling NIO CircularBuffer.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[462/516] Compiling NIO SelectableEventLoop.swift
[463/516] Compiling NIO Selector.swift
[464/516] Compiling NIO ServerSocket.swift
[465/516] Compiling NIO SingleStepByteToMessageDecoder.swift
[466/516] Compiling NIO Socket.swift
[467/516] Compiling NIO SocketAddresses.swift
[468/516] Compiling NIO SocketChannel.swift
[469/516] Compiling NIO SocketOptionProvider.swift
[469/516] Compiling time_support.c
[470/516] Compiling bio.c
[471/516] Compiling tasn_new.c
[472/516] Compiling tasn_typ.c
[473/516] Compiling tasn_fre.c
[474/516] Compiling tasn_utl.c
[475/516] Compiling tasn_enc.c
[476/516] Compiling f_string.c
[477/516] Compiling f_enum.c
[477/516] Compiling f_int.c
[479/516] Compiling tasn_dec.c
[480/516] Compiling asn1_par.c
[481/516] Compiling asn_pack.c
[482/516] Compiling a_utf8.c
[483/516] Compiling a_utctm.c
[484/516] Compiling asn1_lib.c
[485/516] Compiling a_type.c
[486/516] Compiling a_time.c
[487/516] Compiling a_strnid.c
[488/516] Compiling a_octet.c
[489/516] Compiling a_print.c
[490/516] Compiling a_mbstr.c
[491/516] Compiling a_object.c
[492/516] Compiling a_i2d_fp.c
[493/516] Compiling a_gentm.c
[494/516] Compiling a_int.c
[495/516] Compiling a_bool.c
[496/516] Compiling a_d2i_fp.c
[497/516] Compiling a_dup.c
[498/516] Compiling a_enum.c
[499/516] Compiling a_bitstr.c
[501/516] Compiling NIO AddressedEnvelope.swift
[502/516] Compiling NIO BaseSocket.swift
[503/516] Compiling NIO BaseSocketChannel.swift
[504/516] Compiling NIO BaseStreamSocketChannel.swift
[505/516] Compiling NIO Bootstrap.swift
[506/516] Compiling NIO ByteBuffer-aux.swift
[507/516] Compiling NIO ByteBuffer-conversions.swift
[508/516] Compiling NIO ByteBuffer-core.swift
[509/516] Compiling NIO ByteBuffer-int.swift
error: fatalError
[0/1] Planning build
Building for debugging...
[0/9] Write swift-version-24593BA9C3E375BF.txt
[2/23] Compiling NIO ChannelInvoker.swift
[3/23] Compiling NIO ChannelOption.swift
[4/25] Compiling NIO NIOAny.swift
[5/25] Compiling NIO NIOCloseOnErrorHandler.swift
[6/25] Compiling NIO Linux.swift
[7/25] Compiling NIO LinuxCPUSet.swift
[8/25] Compiling NIO MarkedCircularBuffer.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[9/25] Compiling NIO MulticastChannel.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[10/25] Compiling NIO ChannelPipeline.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[11/25] Compiling NIO CircularBuffer.swift
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[12/44] Compiling NIO ByteBuffer-views.swift
[13/44] Compiling NIO Channel.swift
[14/44] Compiling NIO ChannelHandler.swift
[15/44] Compiling NIO ChannelHandlers.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[16/48] Emitting module NIO
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: type 'CircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/CircularBuffer.swift:114:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension CircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: type 'MarkedCircularBuffer<Element>' does not conform to protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIO/MarkedCircularBuffer.swift:132:1: error: unavailable subscript 'subscript(_:)' was used to satisfy a requirement of protocol 'MutableCollection'
extension MarkedCircularBuffer: Collection, MutableCollection {
^
Swift.MutableCollection:8:12: note: 'subscript(_:)' declared here
    public subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
           ^
Swift.MutableCollection:6:14: note: requirement 'subscript(_:)' declared here
    override subscript(bounds: Range<Self.Index>) -> Self.SubSequence { get set }
             ^
[17/56] Compiling NIO NIOThreadPool.swift
[18/56] Compiling NIO NonBlockingFileIO.swift
[19/60] Compiling NIO HappyEyeballs.swift
[20/60] Compiling NIO Heap.swift
[21/60] Compiling NIO IO.swift
[22/60] Compiling NIO IOData.swift
[23/61] Compiling NIO TypeAssistedChannelHandler.swift
[24/62] Compiling NIO FileHandle.swift
[25/63] Compiling NIO ServerSocket.swift
[26/64] Compiling NIO PipeChannel.swift
[27/64] Compiling NIO PriorityQueue.swift
[28/64] Compiling NIO RecvByteBufferAllocator.swift
[29/64] Compiling NIO SelectableEventLoop.swift
[30/64] Compiling NIO ByteBuffer-int.swift
[31/64] Compiling NIO Codec.swift
[32/64] Compiling NIO DatagramVectorReadManager.swift
[33/64] Compiling NIO DeadChannel.swift
[34/64] Compiling NIO Embedded.swift
[35/66] Compiling NIO EventLoop.swift
[36/66] Compiling NIO EventLoopFuture.swift
[37/66] Compiling NIO FileDescriptor.swift
[38/66] Compiling NIO FileRegion.swift
[39/66] Compiling NIO GetaddrinfoResolver.swift
[40/67] Compiling NIO ByteBuffer-conversions.swift
[41/67] Compiling NIO Thread.swift
[42/67] Compiling NIO ByteBuffer-aux.swift
[43/67] Compiling NIO PipePair.swift
[44/67] Compiling NIO SocketOptionProvider.swift
[45/67] Compiling NIO System.swift
[46/67] Compiling NIO ThreadPosix.swift
[47/67] Compiling NIO UniversalBootstrapSupport.swift
[48/67] Compiling NIO IntegerTypes.swift
[49/67] Compiling NIO Interfaces.swift
[50/67] Compiling NIO PendingDatagramWritesManager.swift
[51/67] Compiling NIO PendingWritesManager.swift
[52/67] Compiling NIO Selector.swift
[53/67] Compiling NIO SingleStepByteToMessageDecoder.swift
[54/67] Compiling NIO SocketAddresses.swift
[55/67] Compiling NIO SocketChannel.swift
[56/67] Compiling NIO BaseSocket.swift
[57/67] Compiling NIO BaseSocketChannel.swift
[58/67] Compiling NIO BaseStreamSocketChannel.swift
[59/67] Compiling NIO Bootstrap.swift
[60/67] Compiling NIO ByteBuffer-core.swift
error: fatalError
BUILD FAILURE 5.10 linux