[INFO] updating cached repository jgrosso/mandelbrot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jgrosso/mandelbrot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jgrosso/mandelbrot-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/jgrosso/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jgrosso/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jgrosso/mandelbrot-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgrosso/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgrosso/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c10f4a3fb0b83e10b4c619c54b086a79b367985d
[INFO] sha for GitHub repo jgrosso/mandelbrot-rs: c10f4a3fb0b83e10b4c619c54b086a79b367985d
[INFO] validating manifest of jgrosso/mandelbrot-rs 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 jgrosso/mandelbrot-rs 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 jgrosso/mandelbrot-rs
[INFO] finished frobbing jgrosso/mandelbrot-rs
[INFO] frobbed toml for jgrosso/mandelbrot-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/jgrosso/mandelbrot-rs/Cargo.toml
[INFO] started frobbing jgrosso/mandelbrot-rs
[INFO] finished frobbing jgrosso/mandelbrot-rs
[INFO] frobbed toml for jgrosso/mandelbrot-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgrosso/mandelbrot-rs/Cargo.toml
[INFO] crate jgrosso/mandelbrot-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jgrosso/mandelbrot-rs 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jgrosso/mandelbrot-rs:/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] 13c31339af362dfd359a3f38574f90468e273f07a9da174db637d4139a73c18e
[INFO] running `"docker" "start" "-a" "13c31339af362dfd359a3f38574f90468e273f07a9da174db637d4139a73c18e"`
[INFO] [stderr]    Compiling inflate v0.4.2
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling mandelbrot-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.88s
[INFO] running `"docker" "inspect" "13c31339af362dfd359a3f38574f90468e273f07a9da174db637d4139a73c18e"`
[INFO] running `"docker" "rm" "-f" "13c31339af362dfd359a3f38574f90468e273f07a9da174db637d4139a73c18e"`
[INFO] [stdout] 13c31339af362dfd359a3f38574f90468e273f07a9da174db637d4139a73c18e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jgrosso/mandelbrot-rs:/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] 31e8567fe30bf90cbb3dc524d1fd9d95fb92f37fb83221124b032c0aa64d5ede
[INFO] running `"docker" "start" "-a" "31e8567fe30bf90cbb3dc524d1fd9d95fb92f37fb83221124b032c0aa64d5ede"`
[INFO] [stderr]    Compiling mandelbrot-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "31e8567fe30bf90cbb3dc524d1fd9d95fb92f37fb83221124b032c0aa64d5ede"`
[INFO] running `"docker" "rm" "-f" "31e8567fe30bf90cbb3dc524d1fd9d95fb92f37fb83221124b032c0aa64d5ede"`
[INFO] [stdout] 31e8567fe30bf90cbb3dc524d1fd9d95fb92f37fb83221124b032c0aa64d5ede
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jgrosso/mandelbrot-rs:/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] 4e05d526c54eb57b1f9943a508fc9aa19bd199a7770932656a94f45c76690550
[INFO] running `"docker" "start" "-a" "4e05d526c54eb57b1f9943a508fc9aa19bd199a7770932656a94f45c76690550"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot_rs-68f6fbdf6cb51637
[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" "4e05d526c54eb57b1f9943a508fc9aa19bd199a7770932656a94f45c76690550"`
[INFO] running `"docker" "rm" "-f" "4e05d526c54eb57b1f9943a508fc9aa19bd199a7770932656a94f45c76690550"`
[INFO] [stdout] 4e05d526c54eb57b1f9943a508fc9aa19bd199a7770932656a94f45c76690550