[INFO] updating cached repository ajkavanagh/rust-mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajkavanagh/rust-mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajkavanagh/rust-mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/ajkavanagh/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ajkavanagh/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajkavanagh/rust-mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajkavanagh/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajkavanagh/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec7818b5393b92b637e823009fead47008fc0c1e
[INFO] sha for GitHub repo ajkavanagh/rust-mandelbrot: ec7818b5393b92b637e823009fead47008fc0c1e
[INFO] validating manifest of ajkavanagh/rust-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 ajkavanagh/rust-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 ajkavanagh/rust-mandelbrot
[INFO] finished frobbing ajkavanagh/rust-mandelbrot
[INFO] frobbed toml for ajkavanagh/rust-mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/ajkavanagh/rust-mandelbrot/Cargo.toml
[INFO] started frobbing ajkavanagh/rust-mandelbrot
[INFO] finished frobbing ajkavanagh/rust-mandelbrot
[INFO] frobbed toml for ajkavanagh/rust-mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ajkavanagh/rust-mandelbrot/Cargo.toml
[INFO] crate ajkavanagh/rust-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 ajkavanagh/rust-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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ajkavanagh/rust-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] 7635fe8525c956d3000312858053980505dba5c52bf3c3dec62072b3e7837922
[INFO] running `"docker" "start" "-a" "7635fe8525c956d3000312858053980505dba5c52bf3c3dec62072b3e7837922"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling serde v1.0.9
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling deflate v0.7.13
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling num-complex v0.1.38
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-bigint v0.1.39
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.9
[INFO] [stderr]    Compiling png v0.8.0
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling docopt v0.8.1
[INFO] [stderr]    Compiling image v0.14.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.92s
[INFO] running `"docker" "inspect" "7635fe8525c956d3000312858053980505dba5c52bf3c3dec62072b3e7837922"`
[INFO] running `"docker" "rm" "-f" "7635fe8525c956d3000312858053980505dba5c52bf3c3dec62072b3e7837922"`
[INFO] [stdout] 7635fe8525c956d3000312858053980505dba5c52bf3c3dec62072b3e7837922
[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/ajkavanagh/rust-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] 518c5643715f3d342fb826db8fc8864223ddf3a8379312889188fbdd04a38143
[INFO] running `"docker" "start" "-a" "518c5643715f3d342fb826db8fc8864223ddf3a8379312889188fbdd04a38143"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "518c5643715f3d342fb826db8fc8864223ddf3a8379312889188fbdd04a38143"`
[INFO] running `"docker" "rm" "-f" "518c5643715f3d342fb826db8fc8864223ddf3a8379312889188fbdd04a38143"`
[INFO] [stdout] 518c5643715f3d342fb826db8fc8864223ddf3a8379312889188fbdd04a38143
[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/ajkavanagh/rust-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] 36814cd93f8113175fa69df8d3db68158166836c34dfe6436ce827935e8393e7
[INFO] running `"docker" "start" "-a" "36814cd93f8113175fa69df8d3db68158166836c34dfe6436ce827935e8393e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-901592a000581aaf
[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" "36814cd93f8113175fa69df8d3db68158166836c34dfe6436ce827935e8393e7"`
[INFO] running `"docker" "rm" "-f" "36814cd93f8113175fa69df8d3db68158166836c34dfe6436ce827935e8393e7"`
[INFO] [stdout] 36814cd93f8113175fa69df8d3db68158166836c34dfe6436ce827935e8393e7