[INFO] updating cached repository PonasKovas/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PonasKovas/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PonasKovas/mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/PonasKovas/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PonasKovas/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PonasKovas/mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PonasKovas/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PonasKovas/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23fd5dff8c588dc7f38970837e5a1367f110399f
[INFO] sha for GitHub repo PonasKovas/mandelbrot: 23fd5dff8c588dc7f38970837e5a1367f110399f
[INFO] validating manifest of PonasKovas/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 PonasKovas/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 PonasKovas/mandelbrot
[INFO] finished frobbing PonasKovas/mandelbrot
[INFO] frobbed toml for PonasKovas/mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/PonasKovas/mandelbrot/Cargo.toml
[INFO] started frobbing PonasKovas/mandelbrot
[INFO] finished frobbing PonasKovas/mandelbrot
[INFO] frobbed toml for PonasKovas/mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PonasKovas/mandelbrot/Cargo.toml
[INFO] crate PonasKovas/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 PonasKovas/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/PonasKovas/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] 710cb3d1187e1364fcc92b238262c97ad810498f1608ecca60aa0035df3524c8
[INFO] running `"docker" "start" "-a" "710cb3d1187e1364fcc92b238262c97ad810498f1608ecca60aa0035df3524c8"`
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.68s
[INFO] running `"docker" "inspect" "710cb3d1187e1364fcc92b238262c97ad810498f1608ecca60aa0035df3524c8"`
[INFO] running `"docker" "rm" "-f" "710cb3d1187e1364fcc92b238262c97ad810498f1608ecca60aa0035df3524c8"`
[INFO] [stdout] 710cb3d1187e1364fcc92b238262c97ad810498f1608ecca60aa0035df3524c8
[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/PonasKovas/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] 25be92bf1accefc4cddd421a1d269984b6865536bc23bade0df5a0a2ccfbff68
[INFO] running `"docker" "start" "-a" "25be92bf1accefc4cddd421a1d269984b6865536bc23bade0df5a0a2ccfbff68"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "25be92bf1accefc4cddd421a1d269984b6865536bc23bade0df5a0a2ccfbff68"`
[INFO] running `"docker" "rm" "-f" "25be92bf1accefc4cddd421a1d269984b6865536bc23bade0df5a0a2ccfbff68"`
[INFO] [stdout] 25be92bf1accefc4cddd421a1d269984b6865536bc23bade0df5a0a2ccfbff68
[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/PonasKovas/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] cf47ab48bc7c0645264eb7d5ee5e827ced1c4ba2bbe0c189c54159f2b0f1a06a
[INFO] running `"docker" "start" "-a" "cf47ab48bc7c0645264eb7d5ee5e827ced1c4ba2bbe0c189c54159f2b0f1a06a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-25df4629b8cc1af7
[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" "cf47ab48bc7c0645264eb7d5ee5e827ced1c4ba2bbe0c189c54159f2b0f1a06a"`
[INFO] running `"docker" "rm" "-f" "cf47ab48bc7c0645264eb7d5ee5e827ced1c4ba2bbe0c189c54159f2b0f1a06a"`
[INFO] [stdout] cf47ab48bc7c0645264eb7d5ee5e827ced1c4ba2bbe0c189c54159f2b0f1a06a