[INFO] updating cached repository https://github.com/s-matthew-english/mandelbrot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b6bd9b30088970c5c50714b26defd5294df6a95
[INFO] testing s-matthew-english/mandelbrot against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-matthew-english%2Fmandelbrot" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/s-matthew-english/mandelbrot on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/s-matthew-english/mandelbrot
[INFO] finished tweaking git repo https://github.com/s-matthew-english/mandelbrot
[INFO] tweaked toml for git repo https://github.com/s-matthew-english/mandelbrot written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/s-matthew-english/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b8eccb7153cf2c1cd4b53cffa48538ade57709127a35ba8eb30fa9ffa51ce069
[INFO] running `"docker" "start" "-a" "b8eccb7153cf2c1cd4b53cffa48538ade57709127a35ba8eb30fa9ffa51ce069"`
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rayon v1.0.0
[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/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.33s
[INFO] running `"docker" "inspect" "b8eccb7153cf2c1cd4b53cffa48538ade57709127a35ba8eb30fa9ffa51ce069"`
[INFO] running `"docker" "rm" "-f" "b8eccb7153cf2c1cd4b53cffa48538ade57709127a35ba8eb30fa9ffa51ce069"`
[INFO] [stdout] b8eccb7153cf2c1cd4b53cffa48538ade57709127a35ba8eb30fa9ffa51ce069
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] fa88f05df463b8d642e32b8e089daf291a8ba445fc19c78c2b16fb49287f332e
[INFO] running `"docker" "start" "-a" "fa88f05df463b8d642e32b8e089daf291a8ba445fc19c78c2b16fb49287f332e"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "fa88f05df463b8d642e32b8e089daf291a8ba445fc19c78c2b16fb49287f332e"`
[INFO] running `"docker" "rm" "-f" "fa88f05df463b8d642e32b8e089daf291a8ba445fc19c78c2b16fb49287f332e"`
[INFO] [stdout] fa88f05df463b8d642e32b8e089daf291a8ba445fc19c78c2b16fb49287f332e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] d304a63e046ccb74f10c7d6b4082aea9ba46090ff0e9b67661eefaf8eb33a166
[INFO] running `"docker" "start" "-a" "d304a63e046ccb74f10c7d6b4082aea9ba46090ff0e9b67661eefaf8eb33a166"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mandelbrot-236ca7839626d0c8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test 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" "d304a63e046ccb74f10c7d6b4082aea9ba46090ff0e9b67661eefaf8eb33a166"`
[INFO] running `"docker" "rm" "-f" "d304a63e046ccb74f10c7d6b4082aea9ba46090ff0e9b67661eefaf8eb33a166"`
[INFO] [stdout] d304a63e046ccb74f10c7d6b4082aea9ba46090ff0e9b67661eefaf8eb33a166