Swift compilation failure

logs.txt

FAIL: Swift(linux-x86_64) :: Index/Store/output-failure.swift (10471 of 11161)
******************** TEST 'Swift(linux-x86_64) :: Index/Store/output-failure.swift' FAILED ********************
Script:
--
rm -rf "/root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp" && mkdir -p "/root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp"
mkdir /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx
/root/swift-source/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -target x86_64-unknown-linux-gnu  -module-cache-path '/root/swift-source/build/buildbot_linux/swift-linux-x86_64/./swift-test-results/x86_64-unknown-linux-gnu/clang-module-cache' -swift-version 3  /root/swift-source/swift/test/Index/Store/output-failure.swift -typecheck
chmod -w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx
not /root/swift-source/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -target x86_64-unknown-linux-gnu  -module-cache-path '/root/swift-source/build/buildbot_linux/swift-linux-x86_64/./swift-test-results/x86_64-unknown-linux-gnu/clang-module-cache' -swift-version 3  -index-store-path /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx /root/swift-source/swift/test/Index/Store/output-failure.swift -typecheck -o /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/oof.o 2> /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/dir.txt || chmod +w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx
chmod +w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx
/root/swift-source/swift/utils/PathSanitizingFileCheck --sanitize 'BUILD_DIR=/root/swift-source/build/buildbot_linux/swift-linux-x86_64' --sanitize 'SOURCE_DIR=/root/swift-source/swift' --use-filecheck '/root/swift-source/build/buildbot_linux/llvm-linux-x86_64/bin/FileCheck' /root/swift-source/swift/test/Index/Store/output-failure.swift -check-prefix=DIR_ERR < /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/dir.txt
/root/swift-source/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -target x86_64-unknown-linux-gnu  -module-cache-path '/root/swift-source/build/buildbot_linux/swift-linux-x86_64/./swift-test-results/x86_64-unknown-linux-gnu/clang-module-cache' -swift-version 3  -index-store-path /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx /root/swift-source/swift/test/Index/Store/output-failure.swift -typecheck -o /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/oof.o
chmod -w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/units
not /root/swift-source/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -target x86_64-unknown-linux-gnu  -module-cache-path '/root/swift-source/build/buildbot_linux/swift-linux-x86_64/./swift-test-results/x86_64-unknown-linux-gnu/clang-module-cache' -swift-version 3  -index-store-path /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx /root/swift-source/swift/test/Index/Store/output-failure.swift -typecheck -o /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/oof.o 2> /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/file.txt || chmod +w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/units
chmod +w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/units
/root/swift-source/swift/utils/PathSanitizingFileCheck --sanitize 'BUILD_DIR=/root/swift-source/build/buildbot_linux/swift-linux-x86_64' --sanitize 'SOURCE_DIR=/root/swift-source/swift' --use-filecheck '/root/swift-source/build/buildbot_linux/llvm-linux-x86_64/bin/FileCheck' /root/swift-source/swift/test/Index/Store/output-failure.swift -check-prefix=FILE_ERR < /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/file.txt
rm -rf /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records/*
chmod -x /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records
not /root/swift-source/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -target x86_64-unknown-linux-gnu  -module-cache-path '/root/swift-source/build/buildbot_linux/swift-linux-x86_64/./swift-test-results/x86_64-unknown-linux-gnu/clang-module-cache' -swift-version 3  -index-store-path /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx /root/swift-source/swift/test/Index/Store/output-failure.swift -typecheck -o /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/oof.o 2> /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/record.txt || chmod +x /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records
chmod +x /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records
/root/swift-source/swift/utils/PathSanitizingFileCheck --sanitize 'BUILD_DIR=/root/swift-source/build/buildbot_linux/swift-linux-x86_64' --sanitize 'SOURCE_DIR=/root/swift-source/swift' --use-filecheck '/root/swift-source/build/buildbot_linux/llvm-linux-x86_64/bin/FileCheck' /root/swift-source/swift/test/Index/Store/output-failure.swift -check-prefix=RECORD_ERR < /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/record.txt
rm -rf /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records/*
chmod -w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records
not /root/swift-source/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -target x86_64-unknown-linux-gnu  -module-cache-path '/root/swift-source/build/buildbot_linux/swift-linux-x86_64/./swift-test-results/x86_64-unknown-linux-gnu/clang-module-cache' -swift-version 3  -index-store-path /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx /root/swift-source/swift/test/Index/Store/output-failure.swift -typecheck -o /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/oof.o 2> /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/record2.txt || chmod +w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records
chmod +w /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/idx/*/records
/root/swift-source/swift/utils/PathSanitizingFileCheck --sanitize 'BUILD_DIR=/root/swift-source/build/buildbot_linux/swift-linux-x86_64' --sanitize 'SOURCE_DIR=/root/swift-source/swift' --use-filecheck '/root/swift-source/build/buildbot_linux/llvm-linux-x86_64/bin/FileCheck' /root/swift-source/swift/test/Index/Store/output-failure.swift -check-prefix=RECORD_ERR < /root/swift-source/build/buildbot_linux/swift-linux-x86_64/test-linux-x86_64/Index/Store/Output/output-failure.swift.tmp/record2.txt
--
Exit Code: 2

Command Output (stderr):
--
FileCheck error: '-' is empty.
FileCheck command line:  /root/swift-source/build/buildbot_linux/llvm-linux-x86_64/bin/FileCheck /root/swift-source/swift/test/Index/Store/output-failure.swift -check-prefix=DIR_ERR

--

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