[INFO] updating cached repository mssun/test-travis-ci-concurrent-jobs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mssun/test-travis-ci-concurrent-jobs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mssun/test-travis-ci-concurrent-jobs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mssun/test-travis-ci-concurrent-jobs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mssun/test-travis-ci-concurrent-jobs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mssun/test-travis-ci-concurrent-jobs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mssun/test-travis-ci-concurrent-jobs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mssun/test-travis-ci-concurrent-jobs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 22e5ad9a4b61223388f9202ee46b6fb0839ae0cf
[INFO] sha for GitHub repo mssun/test-travis-ci-concurrent-jobs: 22e5ad9a4b61223388f9202ee46b6fb0839ae0cf
[INFO] validating manifest of mssun/test-travis-ci-concurrent-jobs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mssun/test-travis-ci-concurrent-jobs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mssun/test-travis-ci-concurrent-jobs
[INFO] finished frobbing mssun/test-travis-ci-concurrent-jobs
[INFO] frobbed toml for mssun/test-travis-ci-concurrent-jobs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mssun/test-travis-ci-concurrent-jobs/Cargo.toml
[INFO] started frobbing mssun/test-travis-ci-concurrent-jobs
[INFO] finished frobbing mssun/test-travis-ci-concurrent-jobs
[INFO] frobbed toml for mssun/test-travis-ci-concurrent-jobs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mssun/test-travis-ci-concurrent-jobs/Cargo.toml
[INFO] crate mssun/test-travis-ci-concurrent-jobs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mssun/test-travis-ci-concurrent-jobs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mssun/test-travis-ci-concurrent-jobs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 653ddad420ce5bec29addb59bd96b21359076ef9ccb45897dbb63aeda8620767
[INFO] running `"docker" "start" "-a" "653ddad420ce5bec29addb59bd96b21359076ef9ccb45897dbb63aeda8620767"`
[INFO] [stderr]    Compiling test-travis-ci-concurrent-jobs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "653ddad420ce5bec29addb59bd96b21359076ef9ccb45897dbb63aeda8620767"`
[INFO] running `"docker" "rm" "-f" "653ddad420ce5bec29addb59bd96b21359076ef9ccb45897dbb63aeda8620767"`
[INFO] [stdout] 653ddad420ce5bec29addb59bd96b21359076ef9ccb45897dbb63aeda8620767
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mssun/test-travis-ci-concurrent-jobs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 74ac80b47ac36d6cd18f7bcfa283d61bd7a98ff194ef8c10ea562f10ffb2613e
[INFO] running `"docker" "start" "-a" "74ac80b47ac36d6cd18f7bcfa283d61bd7a98ff194ef8c10ea562f10ffb2613e"`
[INFO] [stderr]    Compiling test-travis-ci-concurrent-jobs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "74ac80b47ac36d6cd18f7bcfa283d61bd7a98ff194ef8c10ea562f10ffb2613e"`
[INFO] running `"docker" "rm" "-f" "74ac80b47ac36d6cd18f7bcfa283d61bd7a98ff194ef8c10ea562f10ffb2613e"`
[INFO] [stdout] 74ac80b47ac36d6cd18f7bcfa283d61bd7a98ff194ef8c10ea562f10ffb2613e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mssun/test-travis-ci-concurrent-jobs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ff5df487dab1eee9c4b21f5461dc9c721ed2f1f0741c2f199fffffdcb14c4fbe
[INFO] running `"docker" "start" "-a" "ff5df487dab1eee9c4b21f5461dc9c721ed2f1f0741c2f199fffffdcb14c4fbe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_travis_ci_concurrent_jobs-bc51bb92f44d9f88
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ff5df487dab1eee9c4b21f5461dc9c721ed2f1f0741c2f199fffffdcb14c4fbe"`
[INFO] running `"docker" "rm" "-f" "ff5df487dab1eee9c4b21f5461dc9c721ed2f1f0741c2f199fffffdcb14c4fbe"`
[INFO] [stdout] ff5df487dab1eee9c4b21f5461dc9c721ed2f1f0741c2f199fffffdcb14c4fbe