[INFO] updating cached repository fundphys/Serpinsky
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fundphys/Serpinsky
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fundphys/Serpinsky" "work/ex/beta-1.37-6/sources/1.36.0/gh/fundphys/Serpinsky"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fundphys/Serpinsky'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fundphys/Serpinsky" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fundphys/Serpinsky"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fundphys/Serpinsky'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92f51b4e24c22d78b6f9bedf36adbb9868ad561e
[INFO] sha for GitHub repo fundphys/Serpinsky: 92f51b4e24c22d78b6f9bedf36adbb9868ad561e
[INFO] validating manifest of fundphys/Serpinsky 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 fundphys/Serpinsky 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 fundphys/Serpinsky
[INFO] finished frobbing fundphys/Serpinsky
[INFO] frobbed toml for fundphys/Serpinsky written to work/ex/beta-1.37-6/sources/1.36.0/gh/fundphys/Serpinsky/Cargo.toml
[INFO] started frobbing fundphys/Serpinsky
[INFO] finished frobbing fundphys/Serpinsky
[INFO] frobbed toml for fundphys/Serpinsky written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fundphys/Serpinsky/Cargo.toml
[INFO] crate fundphys/Serpinsky 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 fundphys/Serpinsky 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-4/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/fundphys/Serpinsky:/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] c6ac398b7c9b270927b1f77b4f0c0e9a418728525c11467bc61f750e45323249
[INFO] running `"docker" "start" "-a" "c6ac398b7c9b270927b1f77b4f0c0e9a418728525c11467bc61f750e45323249"`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.13.9
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling serpinsky v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.82s
[INFO] running `"docker" "inspect" "c6ac398b7c9b270927b1f77b4f0c0e9a418728525c11467bc61f750e45323249"`
[INFO] running `"docker" "rm" "-f" "c6ac398b7c9b270927b1f77b4f0c0e9a418728525c11467bc61f750e45323249"`
[INFO] [stdout] c6ac398b7c9b270927b1f77b4f0c0e9a418728525c11467bc61f750e45323249
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/fundphys/Serpinsky:/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] 7889c02562b03534b5e070f04026d9a2df54bd3652e27a0c793d84ce421a7039
[INFO] running `"docker" "start" "-a" "7889c02562b03534b5e070f04026d9a2df54bd3652e27a0c793d84ce421a7039"`
[INFO] [stderr]    Compiling serpinsky v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "7889c02562b03534b5e070f04026d9a2df54bd3652e27a0c793d84ce421a7039"`
[INFO] running `"docker" "rm" "-f" "7889c02562b03534b5e070f04026d9a2df54bd3652e27a0c793d84ce421a7039"`
[INFO] [stdout] 7889c02562b03534b5e070f04026d9a2df54bd3652e27a0c793d84ce421a7039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/fundphys/Serpinsky:/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] bd2c2f3947a2c0ca996579b9f2e0cdd3ba8cdd890d5cb8678c1b60038b82803a
[INFO] running `"docker" "start" "-a" "bd2c2f3947a2c0ca996579b9f2e0cdd3ba8cdd890d5cb8678c1b60038b82803a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serpinsky-0b07944133952ca7
[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" "bd2c2f3947a2c0ca996579b9f2e0cdd3ba8cdd890d5cb8678c1b60038b82803a"`
[INFO] running `"docker" "rm" "-f" "bd2c2f3947a2c0ca996579b9f2e0cdd3ba8cdd890d5cb8678c1b60038b82803a"`
[INFO] [stdout] bd2c2f3947a2c0ca996579b9f2e0cdd3ba8cdd890d5cb8678c1b60038b82803a