[INFO] updating cached repository simmons/mpsc-stress
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simmons/mpsc-stress
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/mpsc-stress" "work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/mpsc-stress"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/mpsc-stress'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/mpsc-stress" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simmons/mpsc-stress"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simmons/mpsc-stress'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 673090edfbfd53fee1ba54a111bf550a71dd04e0
[INFO] sha for GitHub repo simmons/mpsc-stress: 673090edfbfd53fee1ba54a111bf550a71dd04e0
[INFO] validating manifest of simmons/mpsc-stress 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 simmons/mpsc-stress 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 simmons/mpsc-stress
[INFO] finished frobbing simmons/mpsc-stress
[INFO] frobbed toml for simmons/mpsc-stress written to work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/mpsc-stress/Cargo.toml
[INFO] started frobbing simmons/mpsc-stress
[INFO] finished frobbing simmons/mpsc-stress
[INFO] frobbed toml for simmons/mpsc-stress written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simmons/mpsc-stress/Cargo.toml
[INFO] crate simmons/mpsc-stress 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 simmons/mpsc-stress 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-2/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/simmons/mpsc-stress:/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] 1cd370f3a95c827b4ddac7a32d2f8ce9b9a303a9aa9dfbb60b651cc31ddfb4a1
[INFO] running `"docker" "start" "-a" "1cd370f3a95c827b4ddac7a32d2f8ce9b9a303a9aa9dfbb60b651cc31ddfb4a1"`
[INFO] [stderr]    Compiling mpsc-stress v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `"docker" "inspect" "1cd370f3a95c827b4ddac7a32d2f8ce9b9a303a9aa9dfbb60b651cc31ddfb4a1"`
[INFO] running `"docker" "rm" "-f" "1cd370f3a95c827b4ddac7a32d2f8ce9b9a303a9aa9dfbb60b651cc31ddfb4a1"`
[INFO] [stdout] 1cd370f3a95c827b4ddac7a32d2f8ce9b9a303a9aa9dfbb60b651cc31ddfb4a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/simmons/mpsc-stress:/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] 0b5dabb540994afe72973370d9a45c623323f708a011dec346a8f2de18078af6
[INFO] running `"docker" "start" "-a" "0b5dabb540994afe72973370d9a45c623323f708a011dec346a8f2de18078af6"`
[INFO] [stderr]    Compiling mpsc-stress v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "0b5dabb540994afe72973370d9a45c623323f708a011dec346a8f2de18078af6"`
[INFO] running `"docker" "rm" "-f" "0b5dabb540994afe72973370d9a45c623323f708a011dec346a8f2de18078af6"`
[INFO] [stdout] 0b5dabb540994afe72973370d9a45c623323f708a011dec346a8f2de18078af6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/simmons/mpsc-stress:/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] 2a9819e20b9589c8c0cbfba53435d33fd25e05f0f1211e703ed55323ca6e143a
[INFO] running `"docker" "start" "-a" "2a9819e20b9589c8c0cbfba53435d33fd25e05f0f1211e703ed55323ca6e143a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mpsc_stress-f5889e729f1c820d
[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" "2a9819e20b9589c8c0cbfba53435d33fd25e05f0f1211e703ed55323ca6e143a"`
[INFO] running `"docker" "rm" "-f" "2a9819e20b9589c8c0cbfba53435d33fd25e05f0f1211e703ed55323ca6e143a"`
[INFO] [stdout] 2a9819e20b9589c8c0cbfba53435d33fd25e05f0f1211e703ed55323ca6e143a