[INFO] updating cached repository s-matthew-english/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/s-matthew-english/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/s-matthew-english/mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/s-matthew-english/mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/s-matthew-english/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/s-matthew-english/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b6bd9b30088970c5c50714b26defd5294df6a95
[INFO] sha for GitHub repo s-matthew-english/mandelbrot: 8b6bd9b30088970c5c50714b26defd5294df6a95
[INFO] validating manifest of s-matthew-english/mandelbrot 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 s-matthew-english/mandelbrot 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 s-matthew-english/mandelbrot
[INFO] finished frobbing s-matthew-english/mandelbrot
[INFO] frobbed toml for s-matthew-english/mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot/Cargo.toml
[INFO] started frobbing s-matthew-english/mandelbrot
[INFO] finished frobbing s-matthew-english/mandelbrot
[INFO] frobbed toml for s-matthew-english/mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/s-matthew-english/mandelbrot/Cargo.toml
[INFO] crate s-matthew-english/mandelbrot 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 s-matthew-english/mandelbrot 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot:/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] 5217910eabe21c1d3cd0893e9fa9cfeedf6cad53a1dd5ba893b0e458b9b17519
[INFO] running `"docker" "start" "-a" "5217910eabe21c1d3cd0893e9fa9cfeedf6cad53a1dd5ba893b0e458b9b17519"`
[INFO] [stderr]    Compiling num-complex v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.43s
[INFO] running `"docker" "inspect" "5217910eabe21c1d3cd0893e9fa9cfeedf6cad53a1dd5ba893b0e458b9b17519"`
[INFO] running `"docker" "rm" "-f" "5217910eabe21c1d3cd0893e9fa9cfeedf6cad53a1dd5ba893b0e458b9b17519"`
[INFO] [stdout] 5217910eabe21c1d3cd0893e9fa9cfeedf6cad53a1dd5ba893b0e458b9b17519
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot:/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] f5678804c4f3e4c622e07e15e3edaf97d10d36fa7aecbdff5fcc46d17d4a56c1
[INFO] running `"docker" "start" "-a" "f5678804c4f3e4c622e07e15e3edaf97d10d36fa7aecbdff5fcc46d17d4a56c1"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `"docker" "inspect" "f5678804c4f3e4c622e07e15e3edaf97d10d36fa7aecbdff5fcc46d17d4a56c1"`
[INFO] running `"docker" "rm" "-f" "f5678804c4f3e4c622e07e15e3edaf97d10d36fa7aecbdff5fcc46d17d4a56c1"`
[INFO] [stdout] f5678804c4f3e4c622e07e15e3edaf97d10d36fa7aecbdff5fcc46d17d4a56c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot:/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] 03329cbd600a7cf34b8b72567eefb130c8d7bd6108956726ac5286a6e05884f1
[INFO] running `"docker" "start" "-a" "03329cbd600a7cf34b8b72567eefb130c8d7bd6108956726ac5286a6e05884f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-0f0a5e48a13f2db7
[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" "03329cbd600a7cf34b8b72567eefb130c8d7bd6108956726ac5286a6e05884f1"`
[INFO] running `"docker" "rm" "-f" "03329cbd600a7cf34b8b72567eefb130c8d7bd6108956726ac5286a6e05884f1"`
[INFO] [stdout] 03329cbd600a7cf34b8b72567eefb130c8d7bd6108956726ac5286a6e05884f1