Swift Package Index

Build Information

Successful build of SwiftMsgPack with Swift 5.9 for Linux.

Build Command

docker run --rm -v "checkouts-4609320-0":/host -w "/host/spi-builder-workspace" registry.gitlab.com/finestructure/spi-images:basic-5.9-latest swift build 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.19.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/malcommac/SwiftMsgPack.git
Reference: master
Cloned https://github.com/malcommac/SwiftMsgPack.git into spi-builder-workspace
SUCCESS checkout https://github.com/malcommac/SwiftMsgPack.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.9
Building package at path:  spi-builder-workspace
Running build ...
docker run --rm -v "checkouts-4609320-0":/host -w "/host/spi-builder-workspace" registry.gitlab.com/finestructure/spi-images:basic-5.9-latest swift build 2>&1
Building for debugging...
[1/4] Compiling SwiftMsgPack Encoder.swift
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:225:16: warning: initialization of 'UnsafeBufferPointer<UInt8>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:225:43: note: implicit argument conversion from 'UInt8' to 'UnsafePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:225:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:231:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:231:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:231:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:237:16: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:237:43: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:237:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:243:16: warning: initialization of 'UnsafeBufferPointer<UInt64>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:243:43: note: implicit argument conversion from 'UInt64' to 'UnsafePointer<UInt64>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:243:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:264:16: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:264:43: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:264:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:271:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:271:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:271:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:278:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:278:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:278:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:285:16: warning: initialization of 'UnsafeBufferPointer<UInt8>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:285:43: note: implicit argument conversion from 'UInt8' to 'UnsafePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:285:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:300:16: warning: initialization of 'UnsafeBufferPointer<UInt8>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:300:43: note: implicit argument conversion from 'UInt8' to 'UnsafePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:300:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:307:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:307:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:307:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:314:16: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:314:43: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:314:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:321:16: warning: initialization of 'UnsafeBufferPointer<UInt64>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:321:43: note: implicit argument conversion from 'UInt64' to 'UnsafePointer<UInt64>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:321:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:338:15: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                self.append(UnsafeBufferPointer(start: &data, count: 1))
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:338:42: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                       ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:338:42: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                       ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:353:15: warning: initialization of 'UnsafeBufferPointer<UInt64>' results in a dangling buffer pointer
                self.append(UnsafeBufferPointer(start: &data, count: 1))
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:353:42: note: implicit argument conversion from 'UInt64' to 'UnsafePointer<UInt64>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                       ^~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:353:42: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                self.append(UnsafeBufferPointer(start: &data, count: 1))
                                                       ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:433:16: warning: initialization of 'UnsafeBufferPointer<UInt8>' results in a dangling buffer pointer
                self.append( UnsafeBufferPointer(start: &type_value, count: 1) )
                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:433:43: note: implicit argument conversion from 'UInt8' to 'UnsafePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                self.append( UnsafeBufferPointer(start: &type_value, count: 1) )
                                                        ^~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:433:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                self.append( UnsafeBufferPointer(start: &type_value, count: 1) )
                                                        ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:453:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:453:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:453:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:456:16: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:456:43: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:456:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:472:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:472:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:472:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:475:16: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:475:43: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:475:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:491:16: warning: initialization of 'UnsafeBufferPointer<UInt8>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:491:43: note: implicit argument conversion from 'UInt8' to 'UnsafePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:491:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:495:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:495:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:495:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:499:16: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:499:43: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:499:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &len_data, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:514:16: warning: initialization of 'UnsafeBufferPointer<UInt8>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:514:43: note: implicit argument conversion from 'UInt8' to 'UnsafePointer<UInt8>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:514:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:521:16: warning: initialization of 'UnsafeBufferPointer<UInt16>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:521:43: note: implicit argument conversion from 'UInt16' to 'UnsafePointer<UInt16>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:521:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:528:16: warning: initialization of 'UnsafeBufferPointer<UInt32>' results in a dangling buffer pointer
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:528:43: note: implicit argument conversion from 'UInt32' to 'UnsafePointer<UInt32>?' produces a pointer valid only for the duration of the call to 'init(start:count:)'
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^~~~~~~~~
/host/spi-builder-workspace/Sources/SwiftMsgPack/Encoder.swift:528:43: note: use 'withUnsafePointer' in order to explicitly convert argument to pointer valid for a defined scope
                        self.append(UnsafeBufferPointer(start: &data_len, count: 1))
                                                               ^
[2/4] Compiling SwiftMsgPack Commons.swift
[3/4] Emitting module SwiftMsgPack
[4/4] Compiling SwiftMsgPack Decoder.swift
Build complete! (8.97s)
Build complete.
Done.

Build Machine: Linux 2