[INFO] updating cached repository kontheocharis/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kontheocharis/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kontheocharis/mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/kontheocharis/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kontheocharis/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kontheocharis/mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kontheocharis/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kontheocharis/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4205ec087e6764869c33c19c46eea2bdfa5e8e21
[INFO] sha for GitHub repo kontheocharis/mandelbrot: 4205ec087e6764869c33c19c46eea2bdfa5e8e21
[INFO] validating manifest of kontheocharis/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 kontheocharis/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 kontheocharis/mandelbrot
[INFO] finished frobbing kontheocharis/mandelbrot
[INFO] frobbed toml for kontheocharis/mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/kontheocharis/mandelbrot/Cargo.toml
[INFO] started frobbing kontheocharis/mandelbrot
[INFO] finished frobbing kontheocharis/mandelbrot
[INFO] frobbed toml for kontheocharis/mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kontheocharis/mandelbrot/Cargo.toml
[INFO] crate kontheocharis/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 kontheocharis/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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kontheocharis/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] 04c1c4e7c350adb44eb1d6101105784f756b0c134b6c3365ea55e773e9445d74
[INFO] running `"docker" "start" "-a" "04c1c4e7c350adb44eb1d6101105784f756b0c134b6c3365ea55e773e9445d74"`
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling png_encode_mini v0.1.2
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling raster v0.2.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.64s
[INFO] running `"docker" "inspect" "04c1c4e7c350adb44eb1d6101105784f756b0c134b6c3365ea55e773e9445d74"`
[INFO] running `"docker" "rm" "-f" "04c1c4e7c350adb44eb1d6101105784f756b0c134b6c3365ea55e773e9445d74"`
[INFO] [stdout] 04c1c4e7c350adb44eb1d6101105784f756b0c134b6c3365ea55e773e9445d74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kontheocharis/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] f7ec73f538c3ab38c51028d0560ebc0f4b1957be0e80d4cf89a84c778507140b
[INFO] running `"docker" "start" "-a" "f7ec73f538c3ab38c51028d0560ebc0f4b1957be0e80d4cf89a84c778507140b"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "f7ec73f538c3ab38c51028d0560ebc0f4b1957be0e80d4cf89a84c778507140b"`
[INFO] running `"docker" "rm" "-f" "f7ec73f538c3ab38c51028d0560ebc0f4b1957be0e80d4cf89a84c778507140b"`
[INFO] [stdout] f7ec73f538c3ab38c51028d0560ebc0f4b1957be0e80d4cf89a84c778507140b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kontheocharis/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] e7db3c3cb0da7be50c00c8e5bcd14e0fe537b10300319a2f43ccd29a103453ad
[INFO] running `"docker" "start" "-a" "e7db3c3cb0da7be50c00c8e5bcd14e0fe537b10300319a2f43ccd29a103453ad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-cd7f714f28f44e18
[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" "e7db3c3cb0da7be50c00c8e5bcd14e0fe537b10300319a2f43ccd29a103453ad"`
[INFO] running `"docker" "rm" "-f" "e7db3c3cb0da7be50c00c8e5bcd14e0fe537b10300319a2f43ccd29a103453ad"`
[INFO] [stdout] e7db3c3cb0da7be50c00c8e5bcd14e0fe537b10300319a2f43ccd29a103453ad