[INFO] updating cached repository elementh/rust_mandelbrot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/elementh/rust_mandelbrot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/elementh/rust_mandelbrot" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/elementh/rust_mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/elementh/rust_mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/elementh/rust_mandelbrot" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/elementh/rust_mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/elementh/rust_mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 67d235dff2c7ad4333227c1c8d6e06bc1183eedf [INFO] sha for GitHub repo elementh/rust_mandelbrot: 67d235dff2c7ad4333227c1c8d6e06bc1183eedf [INFO] validating manifest of elementh/rust_mandelbrot on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of elementh/rust_mandelbrot on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing elementh/rust_mandelbrot [INFO] finished frobbing elementh/rust_mandelbrot [INFO] frobbed toml for elementh/rust_mandelbrot written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/elementh/rust_mandelbrot/Cargo.toml [INFO] started frobbing elementh/rust_mandelbrot [INFO] finished frobbing elementh/rust_mandelbrot [INFO] frobbed toml for elementh/rust_mandelbrot written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/elementh/rust_mandelbrot/Cargo.toml [INFO] crate elementh/rust_mandelbrot already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking elementh/rust_mandelbrot against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-4/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/elementh/rust_mandelbrot:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d5476ccce417163fc8f32a5d40243c4d899f5f523825c4e41f6c43d899f69e83 [INFO] running `"docker" "start" "-a" "d5476ccce417163fc8f32a5d40243c4d899f5f523825c4e41f6c43d899f69e83"` [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `escape_time` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_pair` [INFO] [stderr] --> src/main.rs:26:1 [INFO] [stderr] | [INFO] [stderr] 26 | fn parse_pair(s: &str, separator: char) -> Option<(T, T)> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_complex` [INFO] [stderr] --> src/main.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | fn parse_complex(s:&str) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pixel_to_point` [INFO] [stderr] --> src/main.rs:47:1 [INFO] [stderr] | [INFO] [stderr] 47 | / fn pixel_to_point(bounds: (usize, usize), [INFO] [stderr] 48 | | pixel: (usize, usize), [INFO] [stderr] 49 | | upper_left: Complex, [INFO] [stderr] 50 | | lower_right: Complex) [INFO] [stderr] ... | [INFO] [stderr] 59 | | } [INFO] [stderr] 60 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `escape_time` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | fn escape_time(c: Complex, limit: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `"docker" "inspect" "d5476ccce417163fc8f32a5d40243c4d899f5f523825c4e41f6c43d899f69e83"` [INFO] running `"docker" "rm" "-f" "d5476ccce417163fc8f32a5d40243c4d899f5f523825c4e41f6c43d899f69e83"` [INFO] [stdout] d5476ccce417163fc8f32a5d40243c4d899f5f523825c4e41f6c43d899f69e83