[INFO] updating cached repository n4to4/mandelbrot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/n4to4/mandelbrot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/n4to4/mandelbrot-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/n4to4/mandelbrot-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/n4to4/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/n4to4/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c98dd5350f294a6c2b862e4d1dab0960a7428e3d
[INFO] sha for GitHub repo n4to4/mandelbrot-rs: c98dd5350f294a6c2b862e4d1dab0960a7428e3d
[INFO] validating manifest of n4to4/mandelbrot-rs 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 n4to4/mandelbrot-rs 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 n4to4/mandelbrot-rs
[INFO] finished frobbing n4to4/mandelbrot-rs
[INFO] frobbed toml for n4to4/mandelbrot-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/n4to4/mandelbrot-rs/Cargo.toml
[INFO] started frobbing n4to4/mandelbrot-rs
[INFO] finished frobbing n4to4/mandelbrot-rs
[INFO] frobbed toml for n4to4/mandelbrot-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/n4to4/mandelbrot-rs/Cargo.toml
[INFO] crate n4to4/mandelbrot-rs 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 n4to4/mandelbrot-rs 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/n4to4/mandelbrot-rs:/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] b6c70ff46747a5e9253b2d4fc76339092553c738a5a1f025d222a9b27668db1e
[INFO] running `"docker" "start" "-a" "b6c70ff46747a5e9253b2d4fc76339092553c738a5a1f025d222a9b27668db1e"`
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.40s
[INFO] running `"docker" "inspect" "b6c70ff46747a5e9253b2d4fc76339092553c738a5a1f025d222a9b27668db1e"`
[INFO] running `"docker" "rm" "-f" "b6c70ff46747a5e9253b2d4fc76339092553c738a5a1f025d222a9b27668db1e"`
[INFO] [stdout] b6c70ff46747a5e9253b2d4fc76339092553c738a5a1f025d222a9b27668db1e
[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/n4to4/mandelbrot-rs:/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] 98dd9c2f8fe2df3d27b2191fdbd98dced8dd335af0b17b2bcb9df32e99e5a78b
[INFO] running `"docker" "start" "-a" "98dd9c2f8fe2df3d27b2191fdbd98dced8dd335af0b17b2bcb9df32e99e5a78b"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "98dd9c2f8fe2df3d27b2191fdbd98dced8dd335af0b17b2bcb9df32e99e5a78b"`
[INFO] running `"docker" "rm" "-f" "98dd9c2f8fe2df3d27b2191fdbd98dced8dd335af0b17b2bcb9df32e99e5a78b"`
[INFO] [stdout] 98dd9c2f8fe2df3d27b2191fdbd98dced8dd335af0b17b2bcb9df32e99e5a78b
[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/n4to4/mandelbrot-rs:/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] cac0364e450a894e9ef64e5d7093f14f2badfc116010481485a74beb1a1fd7cd
[INFO] running `"docker" "start" "-a" "cac0364e450a894e9ef64e5d7093f14f2badfc116010481485a74beb1a1fd7cd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-e6bc9f69b814d2d3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_parse_complex ... ok
[INFO] [stdout] test tests::test_parse_pair ... 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" "cac0364e450a894e9ef64e5d7093f14f2badfc116010481485a74beb1a1fd7cd"`
[INFO] running `"docker" "rm" "-f" "cac0364e450a894e9ef64e5d7093f14f2badfc116010481485a74beb1a1fd7cd"`
[INFO] [stdout] cac0364e450a894e9ef64e5d7093f14f2badfc116010481485a74beb1a1fd7cd