[INFO] updating cached repository s-matthew-english/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/s-matthew-english/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/s-matthew-english/mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/s-matthew-english/mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/s-matthew-english/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/s-matthew-english/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b6bd9b30088970c5c50714b26defd5294df6a95
[INFO] sha for GitHub repo s-matthew-english/mandelbrot: 8b6bd9b30088970c5c50714b26defd5294df6a95
[INFO] validating manifest of s-matthew-english/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 s-matthew-english/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 s-matthew-english/mandelbrot
[INFO] finished frobbing s-matthew-english/mandelbrot
[INFO] frobbed toml for s-matthew-english/mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/s-matthew-english/mandelbrot/Cargo.toml
[INFO] started frobbing s-matthew-english/mandelbrot
[INFO] finished frobbing s-matthew-english/mandelbrot
[INFO] frobbed toml for s-matthew-english/mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/s-matthew-english/mandelbrot/Cargo.toml
[INFO] crate s-matthew-english/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 s-matthew-english/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-2/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/s-matthew-english/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] c7778ddfa5ec759196dc604d54711fd42b8305b0c934a2da9c7f2da43bf5e59a
[INFO] running `"docker" "start" "-a" "c7778ddfa5ec759196dc604d54711fd42b8305b0c934a2da9c7f2da43bf5e59a"`
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[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 29.60s
[INFO] running `"docker" "inspect" "c7778ddfa5ec759196dc604d54711fd42b8305b0c934a2da9c7f2da43bf5e59a"`
[INFO] running `"docker" "rm" "-f" "c7778ddfa5ec759196dc604d54711fd42b8305b0c934a2da9c7f2da43bf5e59a"`
[INFO] [stdout] c7778ddfa5ec759196dc604d54711fd42b8305b0c934a2da9c7f2da43bf5e59a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/s-matthew-english/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] f8911644c11c0807dbe1f70fed24525afbf05ec37d624d4b87905b97c714a2bd
[INFO] running `"docker" "start" "-a" "f8911644c11c0807dbe1f70fed24525afbf05ec37d624d4b87905b97c714a2bd"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "f8911644c11c0807dbe1f70fed24525afbf05ec37d624d4b87905b97c714a2bd"`
[INFO] running `"docker" "rm" "-f" "f8911644c11c0807dbe1f70fed24525afbf05ec37d624d4b87905b97c714a2bd"`
[INFO] [stdout] f8911644c11c0807dbe1f70fed24525afbf05ec37d624d4b87905b97c714a2bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/s-matthew-english/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] 752ea30001b141f27a1af777b1f062e936019583a6414fa282abf744f223bb6e
[INFO] running `"docker" "start" "-a" "752ea30001b141f27a1af777b1f062e936019583a6414fa282abf744f223bb6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-fd59eaf270f8466d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_parse_pair ... ok
[INFO] [stdout] test test_pixel_to_point ... 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" "752ea30001b141f27a1af777b1f062e936019583a6414fa282abf744f223bb6e"`
[INFO] running `"docker" "rm" "-f" "752ea30001b141f27a1af777b1f062e936019583a6414fa282abf744f223bb6e"`
[INFO] [stdout] 752ea30001b141f27a1af777b1f062e936019583a6414fa282abf744f223bb6e