[INFO] updating cached repository IgrauBezRuk/rust_mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IgrauBezRuk/rust_mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IgrauBezRuk/rust_mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/IgrauBezRuk/rust_mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/IgrauBezRuk/rust_mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IgrauBezRuk/rust_mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgrauBezRuk/rust_mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgrauBezRuk/rust_mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68719773dca334664735bbe91442f8f7439abff8
[INFO] sha for GitHub repo IgrauBezRuk/rust_mandelbrot: 68719773dca334664735bbe91442f8f7439abff8
[INFO] validating manifest of IgrauBezRuk/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 IgrauBezRuk/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 IgrauBezRuk/rust_mandelbrot
[INFO] finished frobbing IgrauBezRuk/rust_mandelbrot
[INFO] frobbed toml for IgrauBezRuk/rust_mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/IgrauBezRuk/rust_mandelbrot/Cargo.toml
[INFO] started frobbing IgrauBezRuk/rust_mandelbrot
[INFO] finished frobbing IgrauBezRuk/rust_mandelbrot
[INFO] frobbed toml for IgrauBezRuk/rust_mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgrauBezRuk/rust_mandelbrot/Cargo.toml
[INFO] crate IgrauBezRuk/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 IgrauBezRuk/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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/IgrauBezRuk/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] 997f3f86bbb7ac407e125e82837978ba5179bda1e4bd7f9ee167b432ef335985
[INFO] running `"docker" "start" "-a" "997f3f86bbb7ac407e125e82837978ba5179bda1e4bd7f9ee167b432ef335985"`
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[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 rust_mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.08s
[INFO] running `"docker" "inspect" "997f3f86bbb7ac407e125e82837978ba5179bda1e4bd7f9ee167b432ef335985"`
[INFO] running `"docker" "rm" "-f" "997f3f86bbb7ac407e125e82837978ba5179bda1e4bd7f9ee167b432ef335985"`
[INFO] [stdout] 997f3f86bbb7ac407e125e82837978ba5179bda1e4bd7f9ee167b432ef335985
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/IgrauBezRuk/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] 768b12ad3f99ea6620bd303901edbba51135ed2018f9c2ef9a7889b51088cb9f
[INFO] running `"docker" "start" "-a" "768b12ad3f99ea6620bd303901edbba51135ed2018f9c2ef9a7889b51088cb9f"`
[INFO] [stderr]    Compiling rust_mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "768b12ad3f99ea6620bd303901edbba51135ed2018f9c2ef9a7889b51088cb9f"`
[INFO] running `"docker" "rm" "-f" "768b12ad3f99ea6620bd303901edbba51135ed2018f9c2ef9a7889b51088cb9f"`
[INFO] [stdout] 768b12ad3f99ea6620bd303901edbba51135ed2018f9c2ef9a7889b51088cb9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/IgrauBezRuk/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] 34697b65906681c814e1f5749c26ec75ba12fa08a496db85297661511d44c01f
[INFO] running `"docker" "start" "-a" "34697b65906681c814e1f5749c26ec75ba12fa08a496db85297661511d44c01f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_mandelbrot-a412345a68de7aa5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_parse_complex ... ok
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "34697b65906681c814e1f5749c26ec75ba12fa08a496db85297661511d44c01f"`
[INFO] running `"docker" "rm" "-f" "34697b65906681c814e1f5749c26ec75ba12fa08a496db85297661511d44c01f"`
[INFO] [stdout] 34697b65906681c814e1f5749c26ec75ba12fa08a496db85297661511d44c01f