[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] eb10a97b8ec660ceeb6d3ad9b076b02cc8230140edcceb70ec057ab27b338275
[INFO] running `"docker" "start" "-a" "eb10a97b8ec660ceeb6d3ad9b076b02cc8230140edcceb70ec057ab27b338275"`
[INFO] [stderr]    Compiling test-travis-ci-concurrent-jobs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "eb10a97b8ec660ceeb6d3ad9b076b02cc8230140edcceb70ec057ab27b338275"`
[INFO] running `"docker" "rm" "-f" "eb10a97b8ec660ceeb6d3ad9b076b02cc8230140edcceb70ec057ab27b338275"`
[INFO] [stdout] eb10a97b8ec660ceeb6d3ad9b076b02cc8230140edcceb70ec057ab27b338275
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0c1bebf32256099c7c5af5bc3733061871d029e195746216c085b56daa0efff8
[INFO] running `"docker" "start" "-a" "0c1bebf32256099c7c5af5bc3733061871d029e195746216c085b56daa0efff8"`
[INFO] [stderr]    Compiling test-travis-ci-concurrent-jobs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "0c1bebf32256099c7c5af5bc3733061871d029e195746216c085b56daa0efff8"`
[INFO] running `"docker" "rm" "-f" "0c1bebf32256099c7c5af5bc3733061871d029e195746216c085b56daa0efff8"`
[INFO] [stdout] 0c1bebf32256099c7c5af5bc3733061871d029e195746216c085b56daa0efff8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e4963589fcd6220c6b8e0b2ed9702c64e62f1ada224c258dbf734e3f7ff34161
[INFO] running `"docker" "start" "-a" "e4963589fcd6220c6b8e0b2ed9702c64e62f1ada224c258dbf734e3f7ff34161"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_travis_ci_concurrent_jobs-b811c66ae12b2a8e
[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" "e4963589fcd6220c6b8e0b2ed9702c64e62f1ada224c258dbf734e3f7ff34161"`
[INFO] running `"docker" "rm" "-f" "e4963589fcd6220c6b8e0b2ed9702c64e62f1ada224c258dbf734e3f7ff34161"`
[INFO] [stdout] e4963589fcd6220c6b8e0b2ed9702c64e62f1ada224c258dbf734e3f7ff34161