[INFO] updating cached repository spacedome/mandelbrot-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/spacedome/mandelbrot-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/spacedome/mandelbrot-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/spacedome/mandelbrot-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/spacedome/mandelbrot-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/spacedome/mandelbrot-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spacedome/mandelbrot-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spacedome/mandelbrot-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca61584698372a4af30e0a5eefe60da5fadda973
[INFO] sha for GitHub repo spacedome/mandelbrot-rust: ca61584698372a4af30e0a5eefe60da5fadda973
[INFO] validating manifest of spacedome/mandelbrot-rust 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 spacedome/mandelbrot-rust 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 spacedome/mandelbrot-rust
[INFO] finished frobbing spacedome/mandelbrot-rust
[INFO] frobbed toml for spacedome/mandelbrot-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/spacedome/mandelbrot-rust/Cargo.toml
[INFO] started frobbing spacedome/mandelbrot-rust
[INFO] finished frobbing spacedome/mandelbrot-rust
[INFO] frobbed toml for spacedome/mandelbrot-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spacedome/mandelbrot-rust/Cargo.toml
[INFO] crate spacedome/mandelbrot-rust 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/spacedome/mandelbrot-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spacedome/mandelbrot-rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spacedome/mandelbrot-rust:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9f2d9054603f1bb5df8076c50524723c94e61ed97aeb5c8f3f174c278696643d
[INFO] running `"docker" "start" "-a" "9f2d9054603f1bb5df8076c50524723c94e61ed97aeb5c8f3f174c278696643d"`
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.32s
[INFO] running `"docker" "inspect" "9f2d9054603f1bb5df8076c50524723c94e61ed97aeb5c8f3f174c278696643d"`
[INFO] running `"docker" "rm" "-f" "9f2d9054603f1bb5df8076c50524723c94e61ed97aeb5c8f3f174c278696643d"`
[INFO] [stdout] 9f2d9054603f1bb5df8076c50524723c94e61ed97aeb5c8f3f174c278696643d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spacedome/mandelbrot-rust:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a900fb695a846a37a1df5c7ebcef94bd99e60d0aecf1d76b4b441ed5d006158
[INFO] running `"docker" "start" "-a" "7a900fb695a846a37a1df5c7ebcef94bd99e60d0aecf1d76b4b441ed5d006158"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "7a900fb695a846a37a1df5c7ebcef94bd99e60d0aecf1d76b4b441ed5d006158"`
[INFO] running `"docker" "rm" "-f" "7a900fb695a846a37a1df5c7ebcef94bd99e60d0aecf1d76b4b441ed5d006158"`
[INFO] [stdout] 7a900fb695a846a37a1df5c7ebcef94bd99e60d0aecf1d76b4b441ed5d006158
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/spacedome/mandelbrot-rust:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ccd8f73a7625af0b9f8172382422a943c392f044b014cdfe3d0e7c5bfe9b279c
[INFO] running `"docker" "start" "-a" "ccd8f73a7625af0b9f8172382422a943c392f044b014cdfe3d0e7c5bfe9b279c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-1a476b2802883210
[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" "ccd8f73a7625af0b9f8172382422a943c392f044b014cdfe3d0e7c5bfe9b279c"`
[INFO] running `"docker" "rm" "-f" "ccd8f73a7625af0b9f8172382422a943c392f044b014cdfe3d0e7c5bfe9b279c"`
[INFO] [stdout] ccd8f73a7625af0b9f8172382422a943c392f044b014cdfe3d0e7c5bfe9b279c