[INFO] updating cached repository fumita/parallel-mandelbrot-algorithm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fumita/parallel-mandelbrot-algorithm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fumita/parallel-mandelbrot-algorithm" "work/ex/beta-1.38-1/sources/1.37.0/gh/fumita/parallel-mandelbrot-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fumita/parallel-mandelbrot-algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fumita/parallel-mandelbrot-algorithm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fumita/parallel-mandelbrot-algorithm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fumita/parallel-mandelbrot-algorithm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b86dad1cded73d7ab786af258c77508ae03732be
[INFO] sha for GitHub repo fumita/parallel-mandelbrot-algorithm: b86dad1cded73d7ab786af258c77508ae03732be
[INFO] validating manifest of fumita/parallel-mandelbrot-algorithm 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 fumita/parallel-mandelbrot-algorithm 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 fumita/parallel-mandelbrot-algorithm
[INFO] finished frobbing fumita/parallel-mandelbrot-algorithm
[INFO] frobbed toml for fumita/parallel-mandelbrot-algorithm written to work/ex/beta-1.38-1/sources/1.37.0/gh/fumita/parallel-mandelbrot-algorithm/Cargo.toml
[INFO] started frobbing fumita/parallel-mandelbrot-algorithm
[INFO] finished frobbing fumita/parallel-mandelbrot-algorithm
[INFO] frobbed toml for fumita/parallel-mandelbrot-algorithm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fumita/parallel-mandelbrot-algorithm/Cargo.toml
[INFO] crate fumita/parallel-mandelbrot-algorithm 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 fumita/parallel-mandelbrot-algorithm 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fumita/parallel-mandelbrot-algorithm:/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] 71a7f34959003ae1a82828fdc766831029cea560ca592f878e0b17b64553fe1d
[INFO] running `"docker" "start" "-a" "71a7f34959003ae1a82828fdc766831029cea560ca592f878e0b17b64553fe1d"`
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num-rational v0.1.41
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling mandelbrot v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.99s
[INFO] running `"docker" "inspect" "71a7f34959003ae1a82828fdc766831029cea560ca592f878e0b17b64553fe1d"`
[INFO] running `"docker" "rm" "-f" "71a7f34959003ae1a82828fdc766831029cea560ca592f878e0b17b64553fe1d"`
[INFO] [stdout] 71a7f34959003ae1a82828fdc766831029cea560ca592f878e0b17b64553fe1d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fumita/parallel-mandelbrot-algorithm:/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] 4fe812c637b1a624816d4b9fba3ca25841aabea5650b64b41b96a331197d1e19
[INFO] running `"docker" "start" "-a" "4fe812c637b1a624816d4b9fba3ca25841aabea5650b64b41b96a331197d1e19"`
[INFO] [stderr]    Compiling mandelbrot v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "4fe812c637b1a624816d4b9fba3ca25841aabea5650b64b41b96a331197d1e19"`
[INFO] running `"docker" "rm" "-f" "4fe812c637b1a624816d4b9fba3ca25841aabea5650b64b41b96a331197d1e19"`
[INFO] [stdout] 4fe812c637b1a624816d4b9fba3ca25841aabea5650b64b41b96a331197d1e19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fumita/parallel-mandelbrot-algorithm:/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] d55320276c50de947be77c4b788e4a3528af8e94a8815f1300421f33152e00e0
[INFO] running `"docker" "start" "-a" "d55320276c50de947be77c4b788e4a3528af8e94a8815f1300421f33152e00e0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-601014226c54f4ef
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d55320276c50de947be77c4b788e4a3528af8e94a8815f1300421f33152e00e0"`
[INFO] running `"docker" "rm" "-f" "d55320276c50de947be77c4b788e4a3528af8e94a8815f1300421f33152e00e0"`
[INFO] [stdout] d55320276c50de947be77c4b788e4a3528af8e94a8815f1300421f33152e00e0