Dec 06 00:41:06.218 INFO testing elementh/rust_mandelbrot against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 00:41:06.218 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 06 00:41:06.387 INFO [stdout] df31c42c4a1aecc7f5781c4c03c406c625a342abe7687185de09d8014421f777
Dec 06 00:41:06.389 INFO running `"docker" "start" "-a" "df31c42c4a1aecc7f5781c4c03c406c625a342abe7687185de09d8014421f777"`
Dec 06 00:41:06.768 INFO [stderr] usermod: no changes
Dec 06 00:41:06.850 INFO [stderr]    Compiling mandelbrot v0.1.0 (/source)
Dec 06 00:41:07.556 INFO [stderr] warning: function is never used: `escape_time`
Dec 06 00:41:07.556 INFO [stderr]   --> src/main.rs:13:1
Dec 06 00:41:07.556 INFO [stderr]    |
Dec 06 00:41:07.556 INFO [stderr] 13 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 06 00:41:07.556 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 00:41:07.556 INFO [stderr]    |
Dec 06 00:41:07.556 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 00:41:07.556 INFO [stderr] 
Dec 06 00:41:07.556 INFO [stderr] warning: function is never used: `parse_pair`
Dec 06 00:41:07.556 INFO [stderr]   --> src/main.rs:26:1
Dec 06 00:41:07.556 INFO [stderr]    |
Dec 06 00:41:07.556 INFO [stderr] 26 | fn parse_pair<T: FromStr>(s: &str, separator: char) -> Option<(T, T)> {
Dec 06 00:41:07.556 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 00:41:07.556 INFO [stderr] 
Dec 06 00:41:07.556 INFO [stderr] warning: function is never used: `parse_complex`
Dec 06 00:41:07.556 INFO [stderr]   --> src/main.rs:40:1
Dec 06 00:41:07.556 INFO [stderr]    |
Dec 06 00:41:07.556 INFO [stderr] 40 | fn parse_complex(s:&str) -> Option<Complex<f64>> {
Dec 06 00:41:07.556 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 00:41:07.556 INFO [stderr] 
Dec 06 00:41:07.556 INFO [stderr] warning: function is never used: `pixel_to_point`
Dec 06 00:41:07.556 INFO [stderr]   --> src/main.rs:47:1
Dec 06 00:41:07.556 INFO [stderr]    |
Dec 06 00:41:07.556 INFO [stderr] 47 | / fn pixel_to_point(bounds: (usize, usize),
Dec 06 00:41:07.556 INFO [stderr] 48 | |                   pixel: (usize, usize),
Dec 06 00:41:07.556 INFO [stderr] 49 | |                   upper_left: Complex<f64>,
Dec 06 00:41:07.556 INFO [stderr] 50 | |                   lower_right: Complex<f64>)
Dec 06 00:41:07.556 INFO [stderr] ...  |
Dec 06 00:41:07.556 INFO [stderr] 59 | |     }
Dec 06 00:41:07.556 INFO [stderr] 60 | | }
Dec 06 00:41:07.556 INFO [stderr]    | |_^
Dec 06 00:41:07.556 INFO [stderr] 
Dec 06 00:41:07.838 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 06 00:41:07.843 INFO [stderr] su: No module specific data is present
Dec 06 00:41:08.272 INFO running `"docker" "inspect" "df31c42c4a1aecc7f5781c4c03c406c625a342abe7687185de09d8014421f777"`
Dec 06 00:41:08.475 INFO running `"docker" "rm" "-f" "df31c42c4a1aecc7f5781c4c03c406c625a342abe7687185de09d8014421f777"`
Dec 06 00:41:08.600 INFO [stdout] df31c42c4a1aecc7f5781c4c03c406c625a342abe7687185de09d8014421f777
Dec 06 00:41:08.606 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 06 00:41:08.874 INFO [stdout] 7ea7d7dbf115dab32c7e48738d39d78833431be613c6300b8766f9ac36695c0c
Dec 06 00:41:08.876 INFO running `"docker" "start" "-a" "7ea7d7dbf115dab32c7e48738d39d78833431be613c6300b8766f9ac36695c0c"`
Dec 06 00:41:09.360 INFO [stderr] usermod: no changes
Dec 06 00:41:09.410 INFO [stderr]    Compiling mandelbrot v0.1.0 (/source)
Dec 06 00:41:09.967 INFO [stderr] warning: function is never used: `escape_time`
Dec 06 00:41:09.967 INFO [stderr]   --> src/main.rs:13:1
Dec 06 00:41:09.967 INFO [stderr]    |
Dec 06 00:41:09.967 INFO [stderr] 13 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 06 00:41:09.967 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 00:41:09.967 INFO [stderr]    |
Dec 06 00:41:09.967 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 00:41:09.967 INFO [stderr] 
Dec 06 00:41:10.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 06 00:41:10.392 INFO [stderr] su: No module specific data is present
Dec 06 00:41:10.663 INFO running `"docker" "inspect" "7ea7d7dbf115dab32c7e48738d39d78833431be613c6300b8766f9ac36695c0c"`
Dec 06 00:41:10.758 INFO running `"docker" "rm" "-f" "7ea7d7dbf115dab32c7e48738d39d78833431be613c6300b8766f9ac36695c0c"`
Dec 06 00:41:10.856 INFO [stdout] 7ea7d7dbf115dab32c7e48738d39d78833431be613c6300b8766f9ac36695c0c