[INFO] updating cached repository 1derless/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/1derless/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/1derless/mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/1derless/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/1derless/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/1derless/mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1derless/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1derless/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13e9e9ba3d8e5d20785156f3b2ae3bc015a341ee
[INFO] sha for GitHub repo 1derless/mandelbrot: 13e9e9ba3d8e5d20785156f3b2ae3bc015a341ee
[INFO] validating manifest of 1derless/mandelbrot 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 1derless/mandelbrot 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 1derless/mandelbrot
[INFO] finished frobbing 1derless/mandelbrot
[INFO] frobbed toml for 1derless/mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/1derless/mandelbrot/Cargo.toml
[INFO] started frobbing 1derless/mandelbrot
[INFO] finished frobbing 1derless/mandelbrot
[INFO] frobbed toml for 1derless/mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1derless/mandelbrot/Cargo.toml
[INFO] crate 1derless/mandelbrot 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing 1derless/mandelbrot 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/1derless/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a5f8376369e202ee68d92a93d8b5c8ebc00abda4a4ae786877e105fb27064d4e
[INFO] running `"docker" "start" "-a" "a5f8376369e202ee68d92a93d8b5c8ebc00abda4a4ae786877e105fb27064d4e"`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling separator v0.4.0
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling image_mandelbrot v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.52s
[INFO] running `"docker" "inspect" "a5f8376369e202ee68d92a93d8b5c8ebc00abda4a4ae786877e105fb27064d4e"`
[INFO] running `"docker" "rm" "-f" "a5f8376369e202ee68d92a93d8b5c8ebc00abda4a4ae786877e105fb27064d4e"`
[INFO] [stdout] a5f8376369e202ee68d92a93d8b5c8ebc00abda4a4ae786877e105fb27064d4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/1derless/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f3071a8af35c81000674334fa8de82b74ec6d71f63b73f2afc3a892f3bc709cc
[INFO] running `"docker" "start" "-a" "f3071a8af35c81000674334fa8de82b74ec6d71f63b73f2afc3a892f3bc709cc"`
[INFO] [stderr]    Compiling image_mandelbrot v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "f3071a8af35c81000674334fa8de82b74ec6d71f63b73f2afc3a892f3bc709cc"`
[INFO] running `"docker" "rm" "-f" "f3071a8af35c81000674334fa8de82b74ec6d71f63b73f2afc3a892f3bc709cc"`
[INFO] [stdout] f3071a8af35c81000674334fa8de82b74ec6d71f63b73f2afc3a892f3bc709cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/1derless/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 27fd7a7de61626dfd0f1596e2df08b915bee7976b19ec741b2086a690190b8a1
[INFO] running `"docker" "start" "-a" "27fd7a7de61626dfd0f1596e2df08b915bee7976b19ec741b2086a690190b8a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/image_mandelbrot-57eb44b81497b1f0
[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] [stderr]      Running /opt/crater/target/debug/deps/image_mandelbrot-b0e2b8a5b6ed2980
[INFO] [stderr]    Doc-tests image_mandelbrot
[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] [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" "27fd7a7de61626dfd0f1596e2df08b915bee7976b19ec741b2086a690190b8a1"`
[INFO] running `"docker" "rm" "-f" "27fd7a7de61626dfd0f1596e2df08b915bee7976b19ec741b2086a690190b8a1"`
[INFO] [stdout] 27fd7a7de61626dfd0f1596e2df08b915bee7976b19ec741b2086a690190b8a1