[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 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] be872e55e5aeb511ae1effb0d47d2b6e02ec8b71d757a5cd48211817d46ed968
[INFO] running `"docker" "start" "-a" "be872e55e5aeb511ae1effb0d47d2b6e02ec8b71d757a5cd48211817d46ed968"`
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "be872e55e5aeb511ae1effb0d47d2b6e02ec8b71d757a5cd48211817d46ed968"`
[INFO] running `"docker" "rm" "-f" "be872e55e5aeb511ae1effb0d47d2b6e02ec8b71d757a5cd48211817d46ed968"`
[INFO] [stdout] be872e55e5aeb511ae1effb0d47d2b6e02ec8b71d757a5cd48211817d46ed968
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bdc7c74ede449fb8708f0b9b67f64d4a8115ecf210c10790fb3368a00f7e7f34
[INFO] running `"docker" "start" "-a" "bdc7c74ede449fb8708f0b9b67f64d4a8115ecf210c10790fb3368a00f7e7f34"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "bdc7c74ede449fb8708f0b9b67f64d4a8115ecf210c10790fb3368a00f7e7f34"`
[INFO] running `"docker" "rm" "-f" "bdc7c74ede449fb8708f0b9b67f64d4a8115ecf210c10790fb3368a00f7e7f34"`
[INFO] [stdout] bdc7c74ede449fb8708f0b9b67f64d4a8115ecf210c10790fb3368a00f7e7f34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4998fa8cbbf7ad65fbfbc1a6ff98109980ec6e4ca24df81a33b1f7f1fbf8ffde
[INFO] running `"docker" "start" "-a" "4998fa8cbbf7ad65fbfbc1a6ff98109980ec6e4ca24df81a33b1f7f1fbf8ffde"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-20dd39d48738d211
[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" "4998fa8cbbf7ad65fbfbc1a6ff98109980ec6e4ca24df81a33b1f7f1fbf8ffde"`
[INFO] running `"docker" "rm" "-f" "4998fa8cbbf7ad65fbfbc1a6ff98109980ec6e4ca24df81a33b1f7f1fbf8ffde"`
[INFO] [stdout] 4998fa8cbbf7ad65fbfbc1a6ff98109980ec6e4ca24df81a33b1f7f1fbf8ffde