[SR-11401] Xcode 11 beta 7 crashes when opening SwiftPM package

[swift-ci]

Previous ID	SR-11401
Radar	rdar://problem/51146826
Original Reporter	camsoft (JIRA User)
Type	Bug

Attachment: Download

Environment

MacOS 10.15 Beta (19A546d) Xcode Version 11.0 beta 6 (11M392r) **(aka Xcode 11 beta 7)**

Additional Detail from JIRA

| | | |------------------|-----------------| |Votes | 1 | |Component/s | Package Manager | |Labels | Bug | |Assignee | None | |Priority | Medium | md5: f857cf933732ea2d0627287d6299418a

is duplicated by:

• SR-11650 ###dataCorrupted(Swift.DecodingError.Context(codingPath: [], debugDescription: "Did not find a matching key", underlyingError: nil))###
• SR-11931 Xcode crashes when trying to add dependency
• SR-11932 Crash in Xcode. Illegal instruction: 4 Namespace SIGNAL, Code 0x4

Issue Description:

Crash report to large to embed inline so attached below.

head of crash report is:

LLBuildValue: ###dataCorrupted(Swift.DecodingError.Context(codingPath: [], debugDescription: "Did not find a matching key", underlyingError: nil))### ----- ###{"env":{"__CF_USER_TEXT_ENCODING":"0x1F5:0:2","CA_ASSERT_MAIN_THREAD_TRANSACTIONS":"1","CA_DEBUG_TRANSACTIONS":"1","HOME":"\/Users\/cameron","LOGNAME":"cameron","MallocNanoZone":"0","PATH":"\/Applications\/Xcode-beta.app\/Contents\/Developer\/usr\/bin:\/usr\/bin:\/bin:\/usr\/sbin:\/sbin","SHELL":"\/bin\/zsh","SQLITE_EXEMPT_PATH_FROM_VNODE_GUARDS":"\/Users\/cameron\/Library\/WebKit\/Databases","SSH_AUTH_SOCK":"\/private\/tmp\/com.apple.launchd.4Er7iKP9t8\/Listeners","TMPDIR":"\/var\/folders\/y8\/29pl6sl52lx5bg4l2701j6cc0000gn\/T\/","USER":"cameron","XPC_FLAGS":"0x0","XPC_SERVICE_NAME":"com.apple.dt.Xcode.13888"}}###: file /Library/Caches/com.apple.xbs/Sources/swiftpm/swiftpm-14696/Sources/SPMLLBuild/llbuild.swift, line 232

crash_output.txt

[theblixguy]

cc @aciidb0mb3r

[aciidgh]

@swift-ci create

[swift-ci]

Comment by Ky (JIRA)

Deleting the DerivedData directory seems to be a workaround