[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (master) #12005

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[FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04 [#12005]

Build URL:
https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/12005/
Project:
oss-swift-incremental-RA-linux-ubuntu-16_04
Date of build:
Fri, 31 Jan 2020 19:37:27 -0600
Build duration:
38 min

Identified problems:

  • Swift Compile Error: Swift compiler error
  • Compile Error: This build failed because of a compile error. Below is a list of all errors in the build log:

Changes

  • Commit 950c73f47163e2c0c09511dd9109576ebdcf1e31 by dgregor:
    [Serialization] Bump module format version.

    • edit: lib/Serialization/ModuleFormat.h

Somewhere, something isn’t getting rebuilt. Hopefully the next build will clear it up

/home/buildnode/jenkins/workspace/oss-swift-incremental-RA-linux-ubuntu-16_04/swiftpm/Sources/PackageLoading/Diagnostics.swift:11:8: error: compiled module was created by an older version of the compiler; rebuild 'TSCBasic' and try again: /home/buildnode/jenkins/workspace/oss-swift-incremental-RA-linux-ubuntu-16_04/buildbot_incremental/swiftpm-linux-x86_64/x86_64-unknown-linux-gnu/tsc/swift/TSCBasic.swiftmodule