nginx hung Jenkins build

el_capitan console output

Aborted

Console Output

Started by upstream project "Homebrew Core Pull Requests" build number 167
originally caused by:
 GitHub pull request #88 of commit f4a4cd5ee59a2558dae5d574de5c388ef7cbb0af, no merge conflicts.
[EnvInject] - Loading node environment variables.
Building remotely on el_capitan in workspace /Users/brew/Jenkins/versions/version/el_capitan
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/Homebrew/homebrew-core/ # timeout=10
Fetching upstream changes from https://github.com/Homebrew/homebrew-core/
 > git --version # timeout=10
 > git -c core.askpass=true fetch --tags --progress https://github.com/Homebrew/homebrew-core/ +refs/pull/*:refs/remotes/origin/pr/*
Checking out Revision ea783369bb993e584265d6921c0735ced8dc3e26 (refs/remotes/origin/pr/88/merge)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f ea783369bb993e584265d6921c0735ced8dc3e26
 > git rev-list 4664b14e9408c075baa161e5f8c3a495e850f059 # timeout=10
[EnvInject] - Executing scripts and injecting environment variables after the SCM step.
[EnvInject] - Injecting as environment variables the properties content 
PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
HOMEBREW_DEVELOPER=1
HOMEBREW_SANDBOX=1

[EnvInject] - Variables injected successfully.
[el_capitan] $ /bin/sh -xe /var/folders/03/jqjv4qms2b18_hwt2dcgsghc0000gp/T/hudson5462979356243244835.sh
+ GIT_WORK_TREE=/usr/local
+ GIT_DIR=/usr/local/.git
+ git reset --hard origin/master
HEAD is now at f016a21 superenv: comment sources of ignored paths
+ brew update
Already up-to-date.
+ brew test-bot --ci-pr
["--ci-pr", "--cleanup", "--junit", "--local"]
HEAD is now at f016a21 superenv: comment sources of ignored paths
Already on 'master'
==> git checkout origin/master
==> brew pull --clean https://github.com/Homebrew/homebrew-core/pull/88
==> brew doctor
==> brew --env
==> brew config
==> brew tests
==> brew tests --no-compat
==> brew readall --aliases --syntax
==> brew uses nginx
==> brew fetch --retry makedepend openssl pcre pkg-config
==> brew fetch --retry nginx --build-bottle --force
==> brew install --only-dependencies --verbose --build-bottle nginx
==> brew install --verbose --build-bottle nginx
Build timed out (after 60 minutes). Marking the build as aborted.
Build was aborted
Recording test results
ERROR: Step ‘Publish JUnit test result report’ failed: No test report files were found. Configuration error?
Archiving artifacts
==> git checkout master -f
Error: SIGTERM
Please report this bug:
    https://git.io/brew-troubleshooting
/usr/local/Library/Homebrew/cmd/test-bot.rb:185:in `readpartial'
/usr/local/Library/Homebrew/cmd/test-bot.rb:185:in `run'
/usr/local/Library/Homebrew/cmd/test-bot.rb:695:in `test'
/usr/local/Library/Homebrew/cmd/test-bot.rb:669:in `cleanup_after'
/usr/local/Library/Homebrew/cmd/test-bot.rb:749:in `ensure in run'
/usr/local/Library/Homebrew/cmd/test-bot.rb:749:in `run'
/usr/local/Library/Homebrew/cmd/test-bot.rb:919:in `test_bot'
/usr/local/Library/brew.rb:84:in `<main>'
Started calculate disk usage of build
Finished Calculation of disk usage of build in 0 seconds
Started calculate disk usage of workspace
Finished Calculation of disk usage of workspace in 0 seconds
[WS-CLEANUP] Deleting project workspace...[WS-CLEANUP] done
Finished: ABORTED