Dec 04 21:05:57.120 INFO checking chansuke/rs-mandelbrot against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:05:57.120 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 21:05:57.663 INFO [stdout] dff82a658704df4c272801ed5a341754333f2f319d8b6086d8726871e314ba37
Dec 04 21:05:57.665 INFO running `"docker" "start" "-a" "dff82a658704df4c272801ed5a341754333f2f319d8b6086d8726871e314ba37"`
Dec 04 21:06:00.003 INFO [stderr] usermod: no changes
Dec 04 21:06:00.187 INFO [stderr]     Checking num-bigint v0.1.44
Dec 04 21:06:00.195 INFO [stderr]     Checking png v0.7.0
Dec 04 21:06:00.195 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 04 21:06:04.653 INFO [stderr]     Checking num-rational v0.1.42
Dec 04 21:06:05.572 INFO [stderr]     Checking image v0.13.0
Dec 04 21:06:05.574 INFO [stderr]     Checking num v0.1.42
Dec 04 21:06:10.501 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Dec 04 21:06:12.881 INFO [stderr] warning: function is never used: `parse_pair`
Dec 04 21:06:12.881 INFO [stderr]  --> src/main.rs:5:1
Dec 04 21:06:12.881 INFO [stderr]   |
Dec 04 21:06:12.881 INFO [stderr] 5 | fn parse_pair<T: FromStr>(s: &str, separator: char) -> Option<(T, T)> {
Dec 04 21:06:12.881 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:06:12.881 INFO [stderr]   |
Dec 04 21:06:12.881 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 21:06:12.881 INFO [stderr] 
Dec 04 21:06:12.881 INFO [stderr] warning: function is never used: `parse_complex`
Dec 04 21:06:12.881 INFO [stderr]   --> src/main.rs:26:1
Dec 04 21:06:12.881 INFO [stderr]    |
Dec 04 21:06:12.881 INFO [stderr] 26 | fn parse_complex(s: &str) -> Option<Complex<f64>> {
Dec 04 21:06:12.881 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:06:12.881 INFO [stderr] 
Dec 04 21:06:12.881 INFO [stderr] warning: function is never used: `pixel_to_point`
Dec 04 21:06:12.881 INFO [stderr]   --> src/main.rs:45:1
Dec 04 21:06:12.881 INFO [stderr]    |
Dec 04 21:06:12.881 INFO [stderr] 45 | / fn pixel_to_point(
Dec 04 21:06:12.881 INFO [stderr] 46 | |     bounds: (usize, usize),
Dec 04 21:06:12.881 INFO [stderr] 47 | |     pixel: (usize, usize),
Dec 04 21:06:12.881 INFO [stderr] 48 | |     upper_left: Complex<f64>,
Dec 04 21:06:12.881 INFO [stderr] ...  |
Dec 04 21:06:12.881 INFO [stderr] 58 | |     }
Dec 04 21:06:12.881 INFO [stderr] 59 | | }
Dec 04 21:06:12.881 INFO [stderr]    | |_^
Dec 04 21:06:12.881 INFO [stderr] 
Dec 04 21:06:12.881 INFO [stderr] warning: function is never used: `escape_time`
Dec 04 21:06:12.881 INFO [stderr]   --> src/main.rs:74:1
Dec 04 21:06:12.881 INFO [stderr]    |
Dec 04 21:06:12.881 INFO [stderr] 74 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 04 21:06:12.881 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:06:12.881 INFO [stderr] 
Dec 04 21:06:12.887 INFO [stderr] warning: function is never used: `render`
Dec 04 21:06:12.887 INFO [stderr]    --> src/main.rs:95:1
Dec 04 21:06:12.887 INFO [stderr]     |
Dec 04 21:06:12.887 INFO [stderr] 95  | / fn render(
Dec 04 21:06:12.887 INFO [stderr] 96  | |     pixels: &mut [u8],
Dec 04 21:06:12.887 INFO [stderr] 97  | |     bounds: (usize, usize),
Dec 04 21:06:12.887 INFO [stderr] 98  | |     upper_left: Complex<f64>,
Dec 04 21:06:12.887 INFO [stderr] ...   |
Dec 04 21:06:12.887 INFO [stderr] 111 | |     }
Dec 04 21:06:12.887 INFO [stderr] 112 | | }
Dec 04 21:06:12.887 INFO [stderr]     | |_^
Dec 04 21:06:12.887 INFO [stderr] 
Dec 04 21:06:12.887 INFO [stderr] warning: function is never used: `write_image`
Dec 04 21:06:12.887 INFO [stderr]    --> src/main.rs:120:1
Dec 04 21:06:12.887 INFO [stderr]     |
Dec 04 21:06:12.887 INFO [stderr] 120 | / fn write_image(
Dec 04 21:06:12.887 INFO [stderr] 121 | |     filename: &str,
Dec 04 21:06:12.887 INFO [stderr] 122 | |     pixels: &[u8],
Dec 04 21:06:12.887 INFO [stderr] 123 | |     bounds: (usize, usize),
Dec 04 21:06:12.887 INFO [stderr] ...   |
Dec 04 21:06:12.887 INFO [stderr] 135 | |     Ok(())
Dec 04 21:06:12.887 INFO [stderr] 136 | | }
Dec 04 21:06:12.887 INFO [stderr]     | |_^
Dec 04 21:06:12.887 INFO [stderr] 
Dec 04 21:06:13.156 INFO [stderr] warning: function is never used: `escape_time`
Dec 04 21:06:13.156 INFO [stderr]   --> src/main.rs:74:1
Dec 04 21:06:13.156 INFO [stderr]    |
Dec 04 21:06:13.156 INFO [stderr] 74 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 04 21:06:13.156 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:06:13.156 INFO [stderr]    |
Dec 04 21:06:13.156 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:06:13.156 INFO [stderr] 
Dec 04 21:06:13.156 INFO [stderr] warning: function is never used: `render`
Dec 04 21:06:13.156 INFO [stderr]    --> src/main.rs:95:1
Dec 04 21:06:13.156 INFO [stderr]     |
Dec 04 21:06:13.156 INFO [stderr] 95  | / fn render(
Dec 04 21:06:13.156 INFO [stderr] 96  | |     pixels: &mut [u8],
Dec 04 21:06:13.156 INFO [stderr] 97  | |     bounds: (usize, usize),
Dec 04 21:06:13.156 INFO [stderr] 98  | |     upper_left: Complex<f64>,
Dec 04 21:06:13.157 INFO [stderr] ...   |
Dec 04 21:06:13.157 INFO [stderr] 111 | |     }
Dec 04 21:06:13.157 INFO [stderr] 112 | | }
Dec 04 21:06:13.157 INFO [stderr]     | |_^
Dec 04 21:06:13.157 INFO [stderr] 
Dec 04 21:06:13.158 INFO [stderr] warning: function is never used: `write_image`
Dec 04 21:06:13.158 INFO [stderr]    --> src/main.rs:120:1
Dec 04 21:06:13.158 INFO [stderr]     |
Dec 04 21:06:13.158 INFO [stderr] 120 | / fn write_image(
Dec 04 21:06:13.159 INFO [stderr] 121 | |     filename: &str,
Dec 04 21:06:13.162 INFO [stderr] 122 | |     pixels: &[u8],
Dec 04 21:06:13.162 INFO [stderr] 123 | |     bounds: (usize, usize),
Dec 04 21:06:13.162 INFO [stderr] ...   |
Dec 04 21:06:13.162 INFO [stderr] 135 | |     Ok(())
Dec 04 21:06:13.162 INFO [stderr] 136 | | }
Dec 04 21:06:13.162 INFO [stderr]     | |_^
Dec 04 21:06:13.162 INFO [stderr] 
Dec 04 21:06:13.214 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.19s
Dec 04 21:06:13.227 INFO [stderr] su: No module specific data is present
Dec 04 21:06:14.361 INFO running `"docker" "inspect" "dff82a658704df4c272801ed5a341754333f2f319d8b6086d8726871e314ba37"`
Dec 04 21:06:14.677 INFO running `"docker" "rm" "-f" "dff82a658704df4c272801ed5a341754333f2f319d8b6086d8726871e314ba37"`
Dec 04 21:06:15.050 INFO [stdout] dff82a658704df4c272801ed5a341754333f2f319d8b6086d8726871e314ba37