[INFO] updating cached repository gdesjonqueres/rust-mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gdesjonqueres/rust-mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gdesjonqueres/rust-mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/gdesjonqueres/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gdesjonqueres/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gdesjonqueres/rust-mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gdesjonqueres/rust-mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gdesjonqueres/rust-mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c890a429ac741c77d9b2d6847a74edc3771db6db
[INFO] sha for GitHub repo gdesjonqueres/rust-mandelbrot: c890a429ac741c77d9b2d6847a74edc3771db6db
[INFO] validating manifest of gdesjonqueres/rust-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 gdesjonqueres/rust-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 gdesjonqueres/rust-mandelbrot
[INFO] finished frobbing gdesjonqueres/rust-mandelbrot
[INFO] frobbed toml for gdesjonqueres/rust-mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/gdesjonqueres/rust-mandelbrot/Cargo.toml
[INFO] started frobbing gdesjonqueres/rust-mandelbrot
[INFO] finished frobbing gdesjonqueres/rust-mandelbrot
[INFO] frobbed toml for gdesjonqueres/rust-mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gdesjonqueres/rust-mandelbrot/Cargo.toml
[INFO] crate gdesjonqueres/rust-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] testing gdesjonqueres/rust-mandelbrot 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-0/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/gdesjonqueres/rust-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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5e58f1db1d0bdf45cafec75c347fa3db2b33fa2891456abe3ae914dfeaf7f214
[INFO] running `"docker" "start" "-a" "5e58f1db1d0bdf45cafec75c347fa3db2b33fa2891456abe3ae914dfeaf7f214"`
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.68s
[INFO] running `"docker" "inspect" "5e58f1db1d0bdf45cafec75c347fa3db2b33fa2891456abe3ae914dfeaf7f214"`
[INFO] running `"docker" "rm" "-f" "5e58f1db1d0bdf45cafec75c347fa3db2b33fa2891456abe3ae914dfeaf7f214"`
[INFO] [stdout] 5e58f1db1d0bdf45cafec75c347fa3db2b33fa2891456abe3ae914dfeaf7f214
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/gdesjonqueres/rust-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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c5df3343d8d1be9523175f845d05038b02f824f84970b60d472a32162ed1831e
[INFO] running `"docker" "start" "-a" "c5df3343d8d1be9523175f845d05038b02f824f84970b60d472a32162ed1831e"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "c5df3343d8d1be9523175f845d05038b02f824f84970b60d472a32162ed1831e"`
[INFO] running `"docker" "rm" "-f" "c5df3343d8d1be9523175f845d05038b02f824f84970b60d472a32162ed1831e"`
[INFO] [stdout] c5df3343d8d1be9523175f845d05038b02f824f84970b60d472a32162ed1831e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/gdesjonqueres/rust-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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 80f409cf3090beff4238cfa88a6cddbf9c0d32d926e6a5bfc93dd14c1acf61bf
[INFO] running `"docker" "start" "-a" "80f409cf3090beff4238cfa88a6cddbf9c0d32d926e6a5bfc93dd14c1acf61bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-de6867b7ac7b5c0b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test test_parse_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "80f409cf3090beff4238cfa88a6cddbf9c0d32d926e6a5bfc93dd14c1acf61bf"`
[INFO] running `"docker" "rm" "-f" "80f409cf3090beff4238cfa88a6cddbf9c0d32d926e6a5bfc93dd14c1acf61bf"`
[INFO] [stdout] 80f409cf3090beff4238cfa88a6cddbf9c0d32d926e6a5bfc93dd14c1acf61bf