[INFO] updating cached repository khaivubui/rust_mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/khaivubui/rust_mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/khaivubui/rust_mandelbrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/khaivubui/rust_mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/khaivubui/rust_mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/khaivubui/rust_mandelbrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/khaivubui/rust_mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/khaivubui/rust_mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f26282db0abfae2d23b81fe9192bc4be2860dbf1
[INFO] sha for GitHub repo khaivubui/rust_mandelbrot: f26282db0abfae2d23b81fe9192bc4be2860dbf1
[INFO] validating manifest of khaivubui/rust_mandelbrot on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of khaivubui/rust_mandelbrot on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing khaivubui/rust_mandelbrot
[INFO] finished frobbing khaivubui/rust_mandelbrot
[INFO] frobbed toml for khaivubui/rust_mandelbrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/khaivubui/rust_mandelbrot/Cargo.toml
[INFO] started frobbing khaivubui/rust_mandelbrot
[INFO] finished frobbing khaivubui/rust_mandelbrot
[INFO] frobbed toml for khaivubui/rust_mandelbrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/khaivubui/rust_mandelbrot/Cargo.toml
[INFO] crate khaivubui/rust_mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing khaivubui/rust_mandelbrot against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/khaivubui/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f7448f2695fe5aa12a7437ff9b102c29390decaa6d579de496ee9df4dbf87d71
[INFO] running `"docker" "start" "-a" "f7448f2695fe5aa12a7437ff9b102c29390decaa6d579de496ee9df4dbf87d71"`
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.97s
[INFO] running `"docker" "inspect" "f7448f2695fe5aa12a7437ff9b102c29390decaa6d579de496ee9df4dbf87d71"`
[INFO] running `"docker" "rm" "-f" "f7448f2695fe5aa12a7437ff9b102c29390decaa6d579de496ee9df4dbf87d71"`
[INFO] [stdout] f7448f2695fe5aa12a7437ff9b102c29390decaa6d579de496ee9df4dbf87d71
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/khaivubui/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] ce992aaf25313721c69fbe46ea68b4867720cc65bd7e1aa5f503d18d0ff6eb48
[INFO] running `"docker" "start" "-a" "ce992aaf25313721c69fbe46ea68b4867720cc65bd7e1aa5f503d18d0ff6eb48"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "ce992aaf25313721c69fbe46ea68b4867720cc65bd7e1aa5f503d18d0ff6eb48"`
[INFO] running `"docker" "rm" "-f" "ce992aaf25313721c69fbe46ea68b4867720cc65bd7e1aa5f503d18d0ff6eb48"`
[INFO] [stdout] ce992aaf25313721c69fbe46ea68b4867720cc65bd7e1aa5f503d18d0ff6eb48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/khaivubui/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e3ac65268d7374fe90c103948c517aa726b424be03f26856b434130109eb21e4
[INFO] running `"docker" "start" "-a" "e3ac65268d7374fe90c103948c517aa726b424be03f26856b434130109eb21e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-f0a24340000b22c4
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_parse_complex ... 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" "e3ac65268d7374fe90c103948c517aa726b424be03f26856b434130109eb21e4"`
[INFO] running `"docker" "rm" "-f" "e3ac65268d7374fe90c103948c517aa726b424be03f26856b434130109eb21e4"`
[INFO] [stdout] e3ac65268d7374fe90c103948c517aa726b424be03f26856b434130109eb21e4