[INFO] updating cached repository amatho/mandelbrot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amatho/mandelbrot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/mandelbrot-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/amatho/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amatho/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amatho/mandelbrot-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amatho/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amatho/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 069ee70f50ed82d3c37c14199ecd2496bdc4bc3c
[INFO] sha for GitHub repo amatho/mandelbrot-rs: 069ee70f50ed82d3c37c14199ecd2496bdc4bc3c
[INFO] validating manifest of amatho/mandelbrot-rs 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 amatho/mandelbrot-rs 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 amatho/mandelbrot-rs
[INFO] finished frobbing amatho/mandelbrot-rs
[INFO] frobbed toml for amatho/mandelbrot-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/amatho/mandelbrot-rs/Cargo.toml
[INFO] started frobbing amatho/mandelbrot-rs
[INFO] finished frobbing amatho/mandelbrot-rs
[INFO] frobbed toml for amatho/mandelbrot-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amatho/mandelbrot-rs/Cargo.toml
[INFO] crate amatho/mandelbrot-rs 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] testing amatho/mandelbrot-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amatho/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4c4ed20cfab1e8c69cda0cfbac094dc366c806ad035cbfab629504473749d860
[INFO] running `"docker" "start" "-a" "4c4ed20cfab1e8c69cda0cfbac094dc366c806ad035cbfab629504473749d860"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.08s
[INFO] running `"docker" "inspect" "4c4ed20cfab1e8c69cda0cfbac094dc366c806ad035cbfab629504473749d860"`
[INFO] running `"docker" "rm" "-f" "4c4ed20cfab1e8c69cda0cfbac094dc366c806ad035cbfab629504473749d860"`
[INFO] [stdout] 4c4ed20cfab1e8c69cda0cfbac094dc366c806ad035cbfab629504473749d860
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amatho/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 52511354c21dd29971e37a1eb620269b808507a1bcb30382f50fd7bbf3ea1aac
[INFO] running `"docker" "start" "-a" "52511354c21dd29971e37a1eb620269b808507a1bcb30382f50fd7bbf3ea1aac"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "52511354c21dd29971e37a1eb620269b808507a1bcb30382f50fd7bbf3ea1aac"`
[INFO] running `"docker" "rm" "-f" "52511354c21dd29971e37a1eb620269b808507a1bcb30382f50fd7bbf3ea1aac"`
[INFO] [stdout] 52511354c21dd29971e37a1eb620269b808507a1bcb30382f50fd7bbf3ea1aac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amatho/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f203913b8e5e8968738a87a07334591cfcf4147d9891f9e2d721a27409f48f2b
[INFO] running `"docker" "start" "-a" "f203913b8e5e8968738a87a07334591cfcf4147d9891f9e2d721a27409f48f2b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-a857ee23002c0ca0
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::complex_tests::sign_formatting ... ok
[INFO] [stdout] test tests::complex_tests::add_assign ... ok
[INFO] [stdout] test tests::complex_tests::sub ... ok
[INFO] [stdout] test tests::complex_tests::sub_assign ... ok
[INFO] [stdout] test tests::complex_tests::add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-6325ff304548d10b
[INFO] [stderr]    Doc-tests 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" "f203913b8e5e8968738a87a07334591cfcf4147d9891f9e2d721a27409f48f2b"`
[INFO] running `"docker" "rm" "-f" "f203913b8e5e8968738a87a07334591cfcf4147d9891f9e2d721a27409f48f2b"`
[INFO] [stdout] f203913b8e5e8968738a87a07334591cfcf4147d9891f9e2d721a27409f48f2b