[INFO] updating cached repository n4to4/mandelbrot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/n4to4/mandelbrot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/n4to4/mandelbrot-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/n4to4/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/n4to4/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/n4to4/mandelbrot-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/n4to4/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/n4to4/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c98dd5350f294a6c2b862e4d1dab0960a7428e3d
[INFO] sha for GitHub repo n4to4/mandelbrot-rs: c98dd5350f294a6c2b862e4d1dab0960a7428e3d
[INFO] validating manifest of n4to4/mandelbrot-rs 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 n4to4/mandelbrot-rs 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 n4to4/mandelbrot-rs
[INFO] finished frobbing n4to4/mandelbrot-rs
[INFO] frobbed toml for n4to4/mandelbrot-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/n4to4/mandelbrot-rs/Cargo.toml
[INFO] started frobbing n4to4/mandelbrot-rs
[INFO] finished frobbing n4to4/mandelbrot-rs
[INFO] frobbed toml for n4to4/mandelbrot-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/n4to4/mandelbrot-rs/Cargo.toml
[INFO] crate n4to4/mandelbrot-rs 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 n4to4/mandelbrot-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/n4to4/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ae16d0af519f2c22ad48e828f6816dd7a03b158bf88182deb634985c3d37f0d7
[INFO] running `"docker" "start" "-a" "ae16d0af519f2c22ad48e828f6816dd7a03b158bf88182deb634985c3d37f0d7"`
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.87s
[INFO] running `"docker" "inspect" "ae16d0af519f2c22ad48e828f6816dd7a03b158bf88182deb634985c3d37f0d7"`
[INFO] running `"docker" "rm" "-f" "ae16d0af519f2c22ad48e828f6816dd7a03b158bf88182deb634985c3d37f0d7"`
[INFO] [stdout] ae16d0af519f2c22ad48e828f6816dd7a03b158bf88182deb634985c3d37f0d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/n4to4/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 219e4006547965bbf9350f954b709dacebe393d3e744ad003deb1091c907af80
[INFO] running `"docker" "start" "-a" "219e4006547965bbf9350f954b709dacebe393d3e744ad003deb1091c907af80"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "219e4006547965bbf9350f954b709dacebe393d3e744ad003deb1091c907af80"`
[INFO] running `"docker" "rm" "-f" "219e4006547965bbf9350f954b709dacebe393d3e744ad003deb1091c907af80"`
[INFO] [stdout] 219e4006547965bbf9350f954b709dacebe393d3e744ad003deb1091c907af80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/n4to4/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 743726c1ecb488da008f10d1792ac61092df0845da20204b3f14b3120c289b6f
[INFO] running `"docker" "start" "-a" "743726c1ecb488da008f10d1792ac61092df0845da20204b3f14b3120c289b6f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-80970db94e2bdaf1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_parse_complex ... ok
[INFO] [stdout] test tests::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" "743726c1ecb488da008f10d1792ac61092df0845da20204b3f14b3120c289b6f"`
[INFO] running `"docker" "rm" "-f" "743726c1ecb488da008f10d1792ac61092df0845da20204b3f14b3120c289b6f"`
[INFO] [stdout] 743726c1ecb488da008f10d1792ac61092df0845da20204b3f14b3120c289b6f