[INFO] updating cached repository lmwnshn/tutorial-mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lmwnshn/tutorial-mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lmwnshn/tutorial-mandelbrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/lmwnshn/tutorial-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lmwnshn/tutorial-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lmwnshn/tutorial-mandelbrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lmwnshn/tutorial-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lmwnshn/tutorial-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] facc58e7559e8ce891776d8ef44347ee298e35fb
[INFO] sha for GitHub repo lmwnshn/tutorial-mandelbrot: facc58e7559e8ce891776d8ef44347ee298e35fb
[INFO] validating manifest of lmwnshn/tutorial-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 lmwnshn/tutorial-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 lmwnshn/tutorial-mandelbrot
[INFO] finished frobbing lmwnshn/tutorial-mandelbrot
[INFO] frobbed toml for lmwnshn/tutorial-mandelbrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/lmwnshn/tutorial-mandelbrot/Cargo.toml
[INFO] started frobbing lmwnshn/tutorial-mandelbrot
[INFO] finished frobbing lmwnshn/tutorial-mandelbrot
[INFO] frobbed toml for lmwnshn/tutorial-mandelbrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lmwnshn/tutorial-mandelbrot/Cargo.toml
[INFO] crate lmwnshn/tutorial-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 lmwnshn/tutorial-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-4/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/lmwnshn/tutorial-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] 439b2ef180e0e6974e7932e4f6c6ea7bcde03df00e09add9af4343169d8a6db9
[INFO] running `"docker" "start" "-a" "439b2ef180e0e6974e7932e4f6c6ea7bcde03df00e09add9af4343169d8a6db9"`
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling tutorial-mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.56s
[INFO] running `"docker" "inspect" "439b2ef180e0e6974e7932e4f6c6ea7bcde03df00e09add9af4343169d8a6db9"`
[INFO] running `"docker" "rm" "-f" "439b2ef180e0e6974e7932e4f6c6ea7bcde03df00e09add9af4343169d8a6db9"`
[INFO] [stdout] 439b2ef180e0e6974e7932e4f6c6ea7bcde03df00e09add9af4343169d8a6db9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/lmwnshn/tutorial-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] 36db4486d8f3b9ffc3cb01c783a07f81496460d5a83317244939eb3ad2830bf9
[INFO] running `"docker" "start" "-a" "36db4486d8f3b9ffc3cb01c783a07f81496460d5a83317244939eb3ad2830bf9"`
[INFO] [stderr]    Compiling tutorial-mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "36db4486d8f3b9ffc3cb01c783a07f81496460d5a83317244939eb3ad2830bf9"`
[INFO] running `"docker" "rm" "-f" "36db4486d8f3b9ffc3cb01c783a07f81496460d5a83317244939eb3ad2830bf9"`
[INFO] [stdout] 36db4486d8f3b9ffc3cb01c783a07f81496460d5a83317244939eb3ad2830bf9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/lmwnshn/tutorial-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] ea081335e5a8a85eb803cd6b4907b928748d492e2f9917593d47c89ece9abcc1
[INFO] running `"docker" "start" "-a" "ea081335e5a8a85eb803cd6b4907b928748d492e2f9917593d47c89ece9abcc1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tutorial_mandelbrot-dfed565baa5ba9f1
[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" "ea081335e5a8a85eb803cd6b4907b928748d492e2f9917593d47c89ece9abcc1"`
[INFO] running `"docker" "rm" "-f" "ea081335e5a8a85eb803cd6b4907b928748d492e2f9917593d47c89ece9abcc1"`
[INFO] [stdout] ea081335e5a8a85eb803cd6b4907b928748d492e2f9917593d47c89ece9abcc1