# \[Swift CI\] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (main) #16187

**URL:** <https://forums.swift.org/t/swift-ci-build-failure-0-oss-swift-incremental-ra-ubuntu-16-04-main-16187/46837>\
**Category:** CI Notifications\
**Created:** [March 23, 2021, 6:21am UTC](https://forums.swift.org/t/swift-ci-build-failure-0-oss-swift-incremental-ra-ubuntu-16-04-main-16187/46837 "2021-03-23T06:21:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**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:** [March 23, 2021, 6:21am UTC](https://forums.swift.org/t/swift-ci-build-failure-0-oss-swift-incremental-ra-ubuntu-16-04-main-16187/46837/1 "2021-03-23T06:21:17Z")

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## # [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16\_04 [#16187]

Build URL: [https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16\_04/16187/](https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/16187/)  
Project: oss-swift-incremental-RA-linux-ubuntu-16\_04  
Date of build: Tue, 23 Mar 2021 00:26:30 -0500  
Build duration: 54 min

## 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_04/16187/consoleFull#5353125963122a513-f36a-4c87-8ed7-cbc36a1ec144)

## Changes- Commit **286927d2aa78d912a1b6e8be60b0bdf3aeee6c8f** by **spestov:**

Sema: Fix effect checking bug with 'for try await'

- **edit** : test/Concurrency/async\_sequence\_syntax.swift

- **edit** : lib/Sema/TypeCheckEffects.cpp

- Commit **6d3dd4f102d0ab311ed5f201c9085a6c4a062e90** by **github:**

- Commit **fd121ef136e6b32e25c603b516348778c853af6a** by **devteam.codafi:**

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<div class="post-metadata">

**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:** [March 23, 2021, 6:59am UTC](https://forums.swift.org/t/swift-ci-build-failure-0-oss-swift-incremental-ra-ubuntu-16-04-main-16187/46837/2 "2021-03-23T06:59:14Z")

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## New issue found!