[INFO] updating cached repository UseK/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/UseK/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/UseK/mandelbrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/UseK/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/UseK/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/UseK/mandelbrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/UseK/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/UseK/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a8c9e4f7cd3a97bb0a4901c0789adfd5372cac0
[INFO] sha for GitHub repo UseK/mandelbrot: 0a8c9e4f7cd3a97bb0a4901c0789adfd5372cac0
[INFO] validating manifest of UseK/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 UseK/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 UseK/mandelbrot
[INFO] finished frobbing UseK/mandelbrot
[INFO] frobbed toml for UseK/mandelbrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/UseK/mandelbrot/Cargo.toml
[INFO] started frobbing UseK/mandelbrot
[INFO] finished frobbing UseK/mandelbrot
[INFO] frobbed toml for UseK/mandelbrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/UseK/mandelbrot/Cargo.toml
[INFO] crate UseK/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 UseK/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-7/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/UseK/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] 421c0401b860ffb5adf468bee1b519cc9655f0bea11701c4dcdebf2797cf7ca5
[INFO] running `"docker" "start" "-a" "421c0401b860ffb5adf468bee1b519cc9655f0bea11701c4dcdebf2797cf7ca5"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "421c0401b860ffb5adf468bee1b519cc9655f0bea11701c4dcdebf2797cf7ca5"`
[INFO] running `"docker" "rm" "-f" "421c0401b860ffb5adf468bee1b519cc9655f0bea11701c4dcdebf2797cf7ca5"`
[INFO] [stdout] 421c0401b860ffb5adf468bee1b519cc9655f0bea11701c4dcdebf2797cf7ca5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/UseK/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] a20663abd81d5cf47262e25f21b9d5cf20f25d97b54a28e3b7a695e977a138d8
[INFO] running `"docker" "start" "-a" "a20663abd81d5cf47262e25f21b9d5cf20f25d97b54a28e3b7a695e977a138d8"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "a20663abd81d5cf47262e25f21b9d5cf20f25d97b54a28e3b7a695e977a138d8"`
[INFO] running `"docker" "rm" "-f" "a20663abd81d5cf47262e25f21b9d5cf20f25d97b54a28e3b7a695e977a138d8"`
[INFO] [stdout] a20663abd81d5cf47262e25f21b9d5cf20f25d97b54a28e3b7a695e977a138d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/UseK/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] 531d3d3fa6cf9bb68184760b04f0d7dbca2afd77cde813d9d56286356239bbb9
[INFO] running `"docker" "start" "-a" "531d3d3fa6cf9bb68184760b04f0d7dbca2afd77cde813d9d56286356239bbb9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-8acdfda7ac238812
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "531d3d3fa6cf9bb68184760b04f0d7dbca2afd77cde813d9d56286356239bbb9"`
[INFO] running `"docker" "rm" "-f" "531d3d3fa6cf9bb68184760b04f0d7dbca2afd77cde813d9d56286356239bbb9"`
[INFO] [stdout] 531d3d3fa6cf9bb68184760b04f0d7dbca2afd77cde813d9d56286356239bbb9