[INFO] updating cached repository eignnx/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eignnx/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eignnx/mandelbrot" "work/ex/beta-1.37-6/sources/1.36.0/gh/eignnx/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/eignnx/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eignnx/mandelbrot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eignnx/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eignnx/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6eea4d678ac75f50ca9d8f5af15e22a4ed9912b6
[INFO] sha for GitHub repo eignnx/mandelbrot: 6eea4d678ac75f50ca9d8f5af15e22a4ed9912b6
[INFO] validating manifest of eignnx/mandelbrot on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eignnx/mandelbrot on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eignnx/mandelbrot
[INFO] finished frobbing eignnx/mandelbrot
[INFO] frobbed toml for eignnx/mandelbrot written to work/ex/beta-1.37-6/sources/1.36.0/gh/eignnx/mandelbrot/Cargo.toml
[INFO] started frobbing eignnx/mandelbrot
[INFO] finished frobbing eignnx/mandelbrot
[INFO] frobbed toml for eignnx/mandelbrot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eignnx/mandelbrot/Cargo.toml
[INFO] crate eignnx/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing eignnx/mandelbrot against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eignnx/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 26b31e1d4c522ca3ef27239c153b307bea9a6bc2d6bb05e1887705e62c43e5a3
[INFO] running `"docker" "start" "-a" "26b31e1d4c522ca3ef27239c153b307bea9a6bc2d6bb05e1887705e62c43e5a3"`
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:200:22
[INFO] [stderr]     |
[INFO] [stderr] 200 |           color_fn: &Fn(f32) -> f32)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_center_scale`
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn from_center_scale(center: Complex64, scale: f64, aspect_ratio: f64) -> CWindow {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_corner_w_h`
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn from_corner_w_h(upper_left: Complex64, width: f64, height: f64) -> CWindow {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `center`
[INFO] [stderr]   --> src/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn center(&self) -> Complex64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.06s
[INFO] running `"docker" "inspect" "26b31e1d4c522ca3ef27239c153b307bea9a6bc2d6bb05e1887705e62c43e5a3"`
[INFO] running `"docker" "rm" "-f" "26b31e1d4c522ca3ef27239c153b307bea9a6bc2d6bb05e1887705e62c43e5a3"`
[INFO] [stdout] 26b31e1d4c522ca3ef27239c153b307bea9a6bc2d6bb05e1887705e62c43e5a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eignnx/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 64024d583143b7151214b519305bba3c91001c7be5e9c3b2cbe103b68102f43f
[INFO] running `"docker" "start" "-a" "64024d583143b7151214b519305bba3c91001c7be5e9c3b2cbe103b68102f43f"`
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:200:22
[INFO] [stderr]     |
[INFO] [stderr] 200 |           color_fn: &Fn(f32) -> f32)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "64024d583143b7151214b519305bba3c91001c7be5e9c3b2cbe103b68102f43f"`
[INFO] running `"docker" "rm" "-f" "64024d583143b7151214b519305bba3c91001c7be5e9c3b2cbe103b68102f43f"`
[INFO] [stdout] 64024d583143b7151214b519305bba3c91001c7be5e9c3b2cbe103b68102f43f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/eignnx/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] de75f0f0ab6a7c1344d71fc15f09d819a6cfdd6b6001d3467be8f2ae4af75e6f
[INFO] running `"docker" "start" "-a" "de75f0f0ab6a7c1344d71fc15f09d819a6cfdd6b6001d3467be8f2ae4af75e6f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mandelbrot-94574b019f6e11fc
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_pixel_to_point ... ok
[INFO] [stdout] test test_cwindow ... ok
[INFO] [stdout] test text_parse_complex ... ok
[INFO] [stdout] test text_parse_pair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "de75f0f0ab6a7c1344d71fc15f09d819a6cfdd6b6001d3467be8f2ae4af75e6f"`
[INFO] running `"docker" "rm" "-f" "de75f0f0ab6a7c1344d71fc15f09d819a6cfdd6b6001d3467be8f2ae4af75e6f"`
[INFO] [stdout] de75f0f0ab6a7c1344d71fc15f09d819a6cfdd6b6001d3467be8f2ae4af75e6f