[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-1.37-6/sources/1.36.0/gh/mssun/test-travis-ci-concurrent-jobs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/gh/mssun/test-travis-ci-concurrent-jobs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mssun/test-travis-ci-concurrent-jobs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mssun/test-travis-ci-concurrent-jobs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 93d79f22e248c29f80289ff35a401013b3562fddf401addb0a3fd55f092971ad
[INFO] running `"docker" "start" "-a" "93d79f22e248c29f80289ff35a401013b3562fddf401addb0a3fd55f092971ad"`
[INFO] [stderr]    Compiling test-travis-ci-concurrent-jobs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "93d79f22e248c29f80289ff35a401013b3562fddf401addb0a3fd55f092971ad"`
[INFO] running `"docker" "rm" "-f" "93d79f22e248c29f80289ff35a401013b3562fddf401addb0a3fd55f092971ad"`
[INFO] [stdout] 93d79f22e248c29f80289ff35a401013b3562fddf401addb0a3fd55f092971ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fefd6442a4f8a495594627e9b2f77088ce612d707aa3bfedc1d2a7fde5225a51
[INFO] running `"docker" "start" "-a" "fefd6442a4f8a495594627e9b2f77088ce612d707aa3bfedc1d2a7fde5225a51"`
[INFO] [stderr]    Compiling test-travis-ci-concurrent-jobs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "fefd6442a4f8a495594627e9b2f77088ce612d707aa3bfedc1d2a7fde5225a51"`
[INFO] running `"docker" "rm" "-f" "fefd6442a4f8a495594627e9b2f77088ce612d707aa3bfedc1d2a7fde5225a51"`
[INFO] [stdout] fefd6442a4f8a495594627e9b2f77088ce612d707aa3bfedc1d2a7fde5225a51
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a9af8e5e53bedf877c28b45ec2f7426007de95899ed7491f22a6ffa22fbf6b38
[INFO] running `"docker" "start" "-a" "a9af8e5e53bedf877c28b45ec2f7426007de95899ed7491f22a6ffa22fbf6b38"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_travis_ci_concurrent_jobs-dc8e1a868d1d3cc6
[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" "a9af8e5e53bedf877c28b45ec2f7426007de95899ed7491f22a6ffa22fbf6b38"`
[INFO] running `"docker" "rm" "-f" "a9af8e5e53bedf877c28b45ec2f7426007de95899ed7491f22a6ffa22fbf6b38"`
[INFO] [stdout] a9af8e5e53bedf877c28b45ec2f7426007de95899ed7491f22a6ffa22fbf6b38