[INFO] updating cached repository damienstanton/concurrency-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/damienstanton/concurrency-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/concurrency-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/damienstanton/concurrency-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/damienstanton/concurrency-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/damienstanton/concurrency-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/damienstanton/concurrency-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/damienstanton/concurrency-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57bd80c3c1741d4bed60944055b43a158bba71ef
[INFO] sha for GitHub repo damienstanton/concurrency-rs: 57bd80c3c1741d4bed60944055b43a158bba71ef
[INFO] validating manifest of damienstanton/concurrency-rs 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 damienstanton/concurrency-rs 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 damienstanton/concurrency-rs
[INFO] finished frobbing damienstanton/concurrency-rs
[INFO] frobbed toml for damienstanton/concurrency-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/damienstanton/concurrency-rs/Cargo.toml
[INFO] started frobbing damienstanton/concurrency-rs
[INFO] finished frobbing damienstanton/concurrency-rs
[INFO] frobbed toml for damienstanton/concurrency-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/damienstanton/concurrency-rs/Cargo.toml
[INFO] crate damienstanton/concurrency-rs 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 damienstanton/concurrency-rs 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/damienstanton/concurrency-rs:/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] e97fd5850912e7416aaad0d7c2f7e3d538436fa85b8ea82116a9f7d9863730b1
[INFO] running `"docker" "start" "-a" "e97fd5850912e7416aaad0d7c2f7e3d538436fa85b8ea82116a9f7d9863730b1"`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "e97fd5850912e7416aaad0d7c2f7e3d538436fa85b8ea82116a9f7d9863730b1"`
[INFO] running `"docker" "rm" "-f" "e97fd5850912e7416aaad0d7c2f7e3d538436fa85b8ea82116a9f7d9863730b1"`
[INFO] [stdout] e97fd5850912e7416aaad0d7c2f7e3d538436fa85b8ea82116a9f7d9863730b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/damienstanton/concurrency-rs:/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] e994370106850e6529f9c54934d31b4f2d36ef28c82e2a3758f3193421c23c4f
[INFO] running `"docker" "start" "-a" "e994370106850e6529f9c54934d31b4f2d36ef28c82e2a3758f3193421c23c4f"`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "e994370106850e6529f9c54934d31b4f2d36ef28c82e2a3758f3193421c23c4f"`
[INFO] running `"docker" "rm" "-f" "e994370106850e6529f9c54934d31b4f2d36ef28c82e2a3758f3193421c23c4f"`
[INFO] [stdout] e994370106850e6529f9c54934d31b4f2d36ef28c82e2a3758f3193421c23c4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/damienstanton/concurrency-rs:/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] 022e4afad44e5a0d43f8d36bfa13beb2eae26cfcbbe9fbb6539d08b7478f57ee
[INFO] running `"docker" "start" "-a" "022e4afad44e5a0d43f8d36bfa13beb2eae26cfcbbe9fbb6539d08b7478f57ee"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/concurrency-adcbc347ee1b78d3
[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" "022e4afad44e5a0d43f8d36bfa13beb2eae26cfcbbe9fbb6539d08b7478f57ee"`
[INFO] running `"docker" "rm" "-f" "022e4afad44e5a0d43f8d36bfa13beb2eae26cfcbbe9fbb6539d08b7478f57ee"`
[INFO] [stdout] 022e4afad44e5a0d43f8d36bfa13beb2eae26cfcbbe9fbb6539d08b7478f57ee