# \[Swift CI\] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (master) #5961 **URL:** \ **Category:** CI Notifications\ **Created:** [October 27, 2018, 7:46pm UTC](https://forums.swift.org/t/swift-ci-build-failure-0-oss-swift-incremental-ra-ubuntu-16-04-master-5961/17427 "2018-10-27T19:46:57Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![swift-ci](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/swift-ci/32/278_2.png) [@swift-ci](https://forums.swift.org/u/swift-ci)\ **Post date:** [October 27, 2018, 7:46pm UTC](https://forums.swift.org/t/swift-ci-build-failure-0-oss-swift-incremental-ra-ubuntu-16-04-master-5961/17427/1 "2018-10-27T19:46:57Z")
Report # [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16\_04 [#5961] Build URL: [https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16\_04/5961/](https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/5961/) Project: oss-swift-incremental-RA-linux-ubuntu-16\_04 Date of build: Sat, 27 Oct 2018 14:42:20 -0500 Build duration: 4 min 43 sec ## Identified problems: - Compile Error: This build failed because of a compile error. Below is a list of all errors in the build log: - [Indication 1](https://ci.swift.org//job/oss-swift-incremental-RA-linux-ubuntu-16_04/5961/consoleFull#-17558562743122a513-f36a-4c87-8ed7-cbc36a1ec144) ## Tests: Name: **Swift(linux-x86\_64)** Failed: 0 test(s), Passed: 9658 test(s), Total: 10898 test(s) Name: **Swift-Unit** Failed: 0 test(s), Passed: 504 test(s), Total: 504 test(s) ## Changes - Commit **06f29bd6b35c29969e6174164e0e1f3f5a2c872d** by **millenomi:** Adopt CFSTR() on non-Mac. - Commit **94b397eadeaa09d465ff9382c64beadd01548dad** by **millenomi:** Add Linux flag. - Commit **c25f90cb11c77b0c76e1c2cddd4b6dfd80a4061a** by **millenomi:** Add equivalent flag to CMakeLists.txt.