[INFO] updating cached repository dmdrummond/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dmdrummond/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dmdrummond/mandelbrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/dmdrummond/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dmdrummond/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dmdrummond/mandelbrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dmdrummond/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dmdrummond/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8dd70ffe7f24420dedc3787400755898f43178c8
[INFO] sha for GitHub repo dmdrummond/mandelbrot: 8dd70ffe7f24420dedc3787400755898f43178c8
[INFO] validating manifest of dmdrummond/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 dmdrummond/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 dmdrummond/mandelbrot
[INFO] finished frobbing dmdrummond/mandelbrot
[INFO] frobbed toml for dmdrummond/mandelbrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/dmdrummond/mandelbrot/Cargo.toml
[INFO] started frobbing dmdrummond/mandelbrot
[INFO] finished frobbing dmdrummond/mandelbrot
[INFO] frobbed toml for dmdrummond/mandelbrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dmdrummond/mandelbrot/Cargo.toml
[INFO] crate dmdrummond/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dmdrummond/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-6/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/dmdrummond/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] 9b21f916091a65b6f69ee43f48b9dfb5e3c9e0a465d526977448ee7278c388bc
[INFO] running `"docker" "start" "-a" "9b21f916091a65b6f69ee43f48b9dfb5e3c9e0a465d526977448ee7278c388bc"`
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.87s
[INFO] running `"docker" "inspect" "9b21f916091a65b6f69ee43f48b9dfb5e3c9e0a465d526977448ee7278c388bc"`
[INFO] running `"docker" "rm" "-f" "9b21f916091a65b6f69ee43f48b9dfb5e3c9e0a465d526977448ee7278c388bc"`
[INFO] [stdout] 9b21f916091a65b6f69ee43f48b9dfb5e3c9e0a465d526977448ee7278c388bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/dmdrummond/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] 3d82b77336aaedcbbc795b56f57a2f0c2ea9f06c604a5da3fa29403c69d14d3f
[INFO] running `"docker" "start" "-a" "3d82b77336aaedcbbc795b56f57a2f0c2ea9f06c604a5da3fa29403c69d14d3f"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "3d82b77336aaedcbbc795b56f57a2f0c2ea9f06c604a5da3fa29403c69d14d3f"`
[INFO] running `"docker" "rm" "-f" "3d82b77336aaedcbbc795b56f57a2f0c2ea9f06c604a5da3fa29403c69d14d3f"`
[INFO] [stdout] 3d82b77336aaedcbbc795b56f57a2f0c2ea9f06c604a5da3fa29403c69d14d3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/dmdrummond/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] 7d7792cefb2d0358ae0f31e8a567bafafa0008f20c5c89ffde704f8b8759d842
[INFO] running `"docker" "start" "-a" "7d7792cefb2d0358ae0f31e8a567bafafa0008f20c5c89ffde704f8b8759d842"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-4ec87483a70a99b1
[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" "7d7792cefb2d0358ae0f31e8a567bafafa0008f20c5c89ffde704f8b8759d842"`
[INFO] running `"docker" "rm" "-f" "7d7792cefb2d0358ae0f31e8a567bafafa0008f20c5c89ffde704f8b8759d842"`
[INFO] [stdout] 7d7792cefb2d0358ae0f31e8a567bafafa0008f20c5c89ffde704f8b8759d842