Dec 18 02:33:49.230 INFO checking chansuke/rs-mandelbrot against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:33:49.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/chansuke/rs-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=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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:33:49.732 INFO [stdout] 0f34cd125e0a7a13de164543d38a3595ec59c81b6cad34f25dc7c872227a931f
Dec 18 02:33:49.739 INFO running `"docker" "start" "-a" "0f34cd125e0a7a13de164543d38a3595ec59c81b6cad34f25dc7c872227a931f"`
Dec 18 02:33:51.918 INFO [stderr]     Checking num-bigint v0.1.44
Dec 18 02:33:53.844 INFO [stderr]     Checking num-rational v0.1.42
Dec 18 02:33:54.525 INFO [stderr]     Checking image v0.13.0
Dec 18 02:33:54.525 INFO [stderr]     Checking num v0.1.42
Dec 18 02:33:58.956 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 18 02:33:59.779 INFO [stderr] warning: function is never used: `parse_pair`
Dec 18 02:33:59.779 INFO [stderr]  --> src/main.rs:5:1
Dec 18 02:33:59.779 INFO [stderr]   |
Dec 18 02:33:59.779 INFO [stderr] 5 | fn parse_pair<T: FromStr>(s: &str, separator: char) -> Option<(T, T)> {
Dec 18 02:33:59.779 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:33:59.779 INFO [stderr]   |
Dec 18 02:33:59.788 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 02:33:59.788 INFO [stderr] 
Dec 18 02:33:59.789 INFO [stderr] warning: function is never used: `parse_complex`
Dec 18 02:33:59.789 INFO [stderr]   --> src/main.rs:26:1
Dec 18 02:33:59.789 INFO [stderr]    |
Dec 18 02:33:59.789 INFO [stderr] 26 | fn parse_complex(s: &str) -> Option<Complex<f64>> {
Dec 18 02:33:59.789 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:33:59.789 INFO [stderr] 
Dec 18 02:33:59.789 INFO [stderr] warning: function is never used: `pixel_to_point`
Dec 18 02:33:59.789 INFO [stderr]   --> src/main.rs:45:1
Dec 18 02:33:59.789 INFO [stderr]    |
Dec 18 02:33:59.789 INFO [stderr] 45 | / fn pixel_to_point(
Dec 18 02:33:59.789 INFO [stderr] 46 | |     bounds: (usize, usize),
Dec 18 02:33:59.789 INFO [stderr] 47 | |     pixel: (usize, usize),
Dec 18 02:33:59.789 INFO [stderr] 48 | |     upper_left: Complex<f64>,
Dec 18 02:33:59.789 INFO [stderr] ...  |
Dec 18 02:33:59.789 INFO [stderr] 58 | |     }
Dec 18 02:33:59.789 INFO [stderr] 59 | | }
Dec 18 02:33:59.789 INFO [stderr]    | |_^
Dec 18 02:33:59.789 INFO [stderr] 
Dec 18 02:33:59.789 INFO [stderr] warning: function is never used: `escape_time`
Dec 18 02:33:59.789 INFO [stderr]   --> src/main.rs:74:1
Dec 18 02:33:59.789 INFO [stderr]    |
Dec 18 02:33:59.789 INFO [stderr] 74 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 18 02:33:59.789 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:33:59.789 INFO [stderr] 
Dec 18 02:33:59.789 INFO [stderr] warning: function is never used: `render`
Dec 18 02:33:59.789 INFO [stderr]    --> src/main.rs:95:1
Dec 18 02:33:59.789 INFO [stderr]     |
Dec 18 02:33:59.789 INFO [stderr] 95  | / fn render(
Dec 18 02:33:59.789 INFO [stderr] 96  | |     pixels: &mut [u8],
Dec 18 02:33:59.789 INFO [stderr] 97  | |     bounds: (usize, usize),
Dec 18 02:33:59.789 INFO [stderr] 98  | |     upper_left: Complex<f64>,
Dec 18 02:33:59.789 INFO [stderr] ...   |
Dec 18 02:33:59.789 INFO [stderr] 111 | |     }
Dec 18 02:33:59.789 INFO [stderr] 112 | | }
Dec 18 02:33:59.789 INFO [stderr]     | |_^
Dec 18 02:33:59.789 INFO [stderr] 
Dec 18 02:33:59.789 INFO [stderr] warning: function is never used: `write_image`
Dec 18 02:33:59.789 INFO [stderr]    --> src/main.rs:120:1
Dec 18 02:33:59.789 INFO [stderr]     |
Dec 18 02:33:59.789 INFO [stderr] 120 | / fn write_image(
Dec 18 02:33:59.789 INFO [stderr] 121 | |     filename: &str,
Dec 18 02:33:59.789 INFO [stderr] 122 | |     pixels: &[u8],
Dec 18 02:33:59.789 INFO [stderr] 123 | |     bounds: (usize, usize),
Dec 18 02:33:59.789 INFO [stderr] ...   |
Dec 18 02:33:59.789 INFO [stderr] 135 | |     Ok(())
Dec 18 02:33:59.789 INFO [stderr] 136 | | }
Dec 18 02:33:59.789 INFO [stderr]     | |_^
Dec 18 02:33:59.789 INFO [stderr] 
Dec 18 02:34:00.021 INFO [stderr] warning: function is never used: `escape_time`
Dec 18 02:34:00.021 INFO [stderr]   --> src/main.rs:74:1
Dec 18 02:34:00.022 INFO [stderr]    |
Dec 18 02:34:00.022 INFO [stderr] 74 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 18 02:34:00.023 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 02:34:00.023 INFO [stderr]    |
Dec 18 02:34:00.023 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 02:34:00.023 INFO [stderr] 
Dec 18 02:34:00.024 INFO [stderr] warning: function is never used: `render`
Dec 18 02:34:00.024 INFO [stderr]    --> src/main.rs:95:1
Dec 18 02:34:00.024 INFO [stderr]     |
Dec 18 02:34:00.025 INFO [stderr] 95  | / fn render(
Dec 18 02:34:00.025 INFO [stderr] 96  | |     pixels: &mut [u8],
Dec 18 02:34:00.025 INFO [stderr] 97  | |     bounds: (usize, usize),
Dec 18 02:34:00.026 INFO [stderr] 98  | |     upper_left: Complex<f64>,
Dec 18 02:34:00.026 INFO [stderr] ...   |
Dec 18 02:34:00.026 INFO [stderr] 111 | |     }
Dec 18 02:34:00.027 INFO [stderr] 112 | | }
Dec 18 02:34:00.027 INFO [stderr]     | |_^
Dec 18 02:34:00.027 INFO [stderr] 
Dec 18 02:34:00.027 INFO [stderr] warning: function is never used: `write_image`
Dec 18 02:34:00.028 INFO [stderr]    --> src/main.rs:120:1
Dec 18 02:34:00.028 INFO [stderr]     |
Dec 18 02:34:00.028 INFO [stderr] 120 | / fn write_image(
Dec 18 02:34:00.029 INFO [stderr] 121 | |     filename: &str,
Dec 18 02:34:00.029 INFO [stderr] 122 | |     pixels: &[u8],
Dec 18 02:34:00.029 INFO [stderr] 123 | |     bounds: (usize, usize),
Dec 18 02:34:00.029 INFO [stderr] ...   |
Dec 18 02:34:00.030 INFO [stderr] 135 | |     Ok(())
Dec 18 02:34:00.030 INFO [stderr] 136 | | }
Dec 18 02:34:00.030 INFO [stderr]     | |_^
Dec 18 02:34:00.030 INFO [stderr] 
Dec 18 02:34:00.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
Dec 18 02:34:01.745 INFO running `"docker" "inspect" "0f34cd125e0a7a13de164543d38a3595ec59c81b6cad34f25dc7c872227a931f"`
Dec 18 02:34:02.052 INFO running `"docker" "rm" "-f" "0f34cd125e0a7a13de164543d38a3595ec59c81b6cad34f25dc7c872227a931f"`
Dec 18 02:34:02.356 INFO [stdout] 0f34cd125e0a7a13de164543d38a3595ec59c81b6cad34f25dc7c872227a931f