[INFO] updating cached repository benschulz/rwmutex
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/benschulz/rwmutex
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/benschulz/rwmutex" "work/ex/beta-1.38-1/sources/1.37.0/gh/benschulz/rwmutex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/benschulz/rwmutex'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/benschulz/rwmutex" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/benschulz/rwmutex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/benschulz/rwmutex'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c00025890fc4ecf743fdb853ff1ee34598dd33b7
[INFO] sha for GitHub repo benschulz/rwmutex: c00025890fc4ecf743fdb853ff1ee34598dd33b7
[INFO] validating manifest of benschulz/rwmutex 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 benschulz/rwmutex 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 benschulz/rwmutex
[INFO] finished frobbing benschulz/rwmutex
[INFO] frobbed toml for benschulz/rwmutex written to work/ex/beta-1.38-1/sources/1.37.0/gh/benschulz/rwmutex/Cargo.toml
[INFO] started frobbing benschulz/rwmutex
[INFO] finished frobbing benschulz/rwmutex
[INFO] frobbed toml for benschulz/rwmutex written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/benschulz/rwmutex/Cargo.toml
[INFO] crate benschulz/rwmutex 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 benschulz/rwmutex 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-0/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/benschulz/rwmutex:/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] 2c33fa3e19aae0e180a6945372d967855ac18c25d8ddc7e36a83be574b7f78a9
[INFO] running `"docker" "start" "-a" "2c33fa3e19aae0e180a6945372d967855ac18c25d8ddc7e36a83be574b7f78a9"`
[INFO] [stderr]    Compiling rwmutex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "2c33fa3e19aae0e180a6945372d967855ac18c25d8ddc7e36a83be574b7f78a9"`
[INFO] running `"docker" "rm" "-f" "2c33fa3e19aae0e180a6945372d967855ac18c25d8ddc7e36a83be574b7f78a9"`
[INFO] [stdout] 2c33fa3e19aae0e180a6945372d967855ac18c25d8ddc7e36a83be574b7f78a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/benschulz/rwmutex:/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] fb56a89f9c16cecffba586d7837c85959bf980b1ad0afd18212bd0f2170105da
[INFO] running `"docker" "start" "-a" "fb56a89f9c16cecffba586d7837c85959bf980b1ad0afd18212bd0f2170105da"`
[INFO] [stderr]    Compiling rwmutex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "fb56a89f9c16cecffba586d7837c85959bf980b1ad0afd18212bd0f2170105da"`
[INFO] running `"docker" "rm" "-f" "fb56a89f9c16cecffba586d7837c85959bf980b1ad0afd18212bd0f2170105da"`
[INFO] [stdout] fb56a89f9c16cecffba586d7837c85959bf980b1ad0afd18212bd0f2170105da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/benschulz/rwmutex:/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] 903928bff4f99981d8f8242331eb6eacc3f21b6e560360e6998951652e9a20b6
[INFO] running `"docker" "start" "-a" "903928bff4f99981d8f8242331eb6eacc3f21b6e560360e6998951652e9a20b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[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] [stderr]      Running /opt/crater/target/debug/deps/rwmutex-373430c30fe896e8
[INFO] [stderr]    Doc-tests rwmutex
[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" "903928bff4f99981d8f8242331eb6eacc3f21b6e560360e6998951652e9a20b6"`
[INFO] running `"docker" "rm" "-f" "903928bff4f99981d8f8242331eb6eacc3f21b6e560360e6998951652e9a20b6"`
[INFO] [stdout] 903928bff4f99981d8f8242331eb6eacc3f21b6e560360e6998951652e9a20b6