[INFO] updating cached repository Gold3nCooki3/test_parallel
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gold3nCooki3/test_parallel
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gold3nCooki3/test_parallel" "work/ex/beta-1.38-1/sources/1.37.0/gh/Gold3nCooki3/test_parallel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Gold3nCooki3/test_parallel'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gold3nCooki3/test_parallel" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gold3nCooki3/test_parallel"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gold3nCooki3/test_parallel'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6731c068df0e5652c50cf9ea430a5967aa19aa4b
[INFO] sha for GitHub repo Gold3nCooki3/test_parallel: 6731c068df0e5652c50cf9ea430a5967aa19aa4b
[INFO] validating manifest of Gold3nCooki3/test_parallel 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 Gold3nCooki3/test_parallel 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 Gold3nCooki3/test_parallel
[INFO] finished frobbing Gold3nCooki3/test_parallel
[INFO] frobbed toml for Gold3nCooki3/test_parallel written to work/ex/beta-1.38-1/sources/1.37.0/gh/Gold3nCooki3/test_parallel/Cargo.toml
[INFO] started frobbing Gold3nCooki3/test_parallel
[INFO] finished frobbing Gold3nCooki3/test_parallel
[INFO] frobbed toml for Gold3nCooki3/test_parallel written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gold3nCooki3/test_parallel/Cargo.toml
[INFO] crate Gold3nCooki3/test_parallel 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Gold3nCooki3/test_parallel 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gold3nCooki3/test_parallel:/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] 22cddd47ba86a6ad2955890964d93ae7f1459d845bd6c566485db625c34c2f57
[INFO] running `"docker" "start" "-a" "22cddd47ba86a6ad2955890964d93ae7f1459d845bd6c566485db625c34c2f57"`
[INFO] [stderr]    Compiling scoped_threadpool v0.1.8
[INFO] [stderr]    Compiling parallel_scaling v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "22cddd47ba86a6ad2955890964d93ae7f1459d845bd6c566485db625c34c2f57"`
[INFO] running `"docker" "rm" "-f" "22cddd47ba86a6ad2955890964d93ae7f1459d845bd6c566485db625c34c2f57"`
[INFO] [stdout] 22cddd47ba86a6ad2955890964d93ae7f1459d845bd6c566485db625c34c2f57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gold3nCooki3/test_parallel:/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] 15801f8a0233cb8e73a72c36f1f679e9a5c5c29157a806e79997f9068da47877
[INFO] running `"docker" "start" "-a" "15801f8a0233cb8e73a72c36f1f679e9a5c5c29157a806e79997f9068da47877"`
[INFO] [stderr]    Compiling parallel_scaling v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "15801f8a0233cb8e73a72c36f1f679e9a5c5c29157a806e79997f9068da47877"`
[INFO] running `"docker" "rm" "-f" "15801f8a0233cb8e73a72c36f1f679e9a5c5c29157a806e79997f9068da47877"`
[INFO] [stdout] 15801f8a0233cb8e73a72c36f1f679e9a5c5c29157a806e79997f9068da47877
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gold3nCooki3/test_parallel:/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] f5bdf8ee2e65669ac6e7b22572f675ec31856ab439055500f54b88bf1850f491
[INFO] running `"docker" "start" "-a" "f5bdf8ee2e65669ac6e7b22572f675ec31856ab439055500f54b88bf1850f491"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/parallel_scaling-82002ef8858fa437
[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" "f5bdf8ee2e65669ac6e7b22572f675ec31856ab439055500f54b88bf1850f491"`
[INFO] running `"docker" "rm" "-f" "f5bdf8ee2e65669ac6e7b22572f675ec31856ab439055500f54b88bf1850f491"`
[INFO] [stdout] f5bdf8ee2e65669ac6e7b22572f675ec31856ab439055500f54b88bf1850f491