Dec 19 17:28:49.645 INFO checking elementh/rust_mandelbrot against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:28:49.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/elementh/rust_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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:28:49.869 INFO [stdout] 8c1773013c496e82b5aedb6e721db1cac102044bcc030cd58df5933012074d44
Dec 19 17:28:49.869 INFO running `"docker" "start" "-a" "8c1773013c496e82b5aedb6e721db1cac102044bcc030cd58df5933012074d44"`
Dec 19 17:28:50.682 INFO [stderr]     Checking num-complex v0.1.42
Dec 19 17:28:50.682 INFO [stderr]     Checking num-bigint v0.1.43
Dec 19 17:28:52.248 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 17:28:52.848 INFO [stderr]     Checking num v0.1.42
Dec 19 17:28:53.140 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 19 17:28:53.546 INFO [stderr] warning: function is never used: `escape_time`
Dec 19 17:28:53.546 INFO [stderr]   --> src/main.rs:13:1
Dec 19 17:28:53.546 INFO [stderr]    |
Dec 19 17:28:53.546 INFO [stderr] 13 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 19 17:28:53.546 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:28:53.546 INFO [stderr]    |
Dec 19 17:28:53.546 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:28:53.546 INFO [stderr] 
Dec 19 17:28:53.546 INFO [stderr] warning: function is never used: `parse_pair`
Dec 19 17:28:53.546 INFO [stderr]   --> src/main.rs:26:1
Dec 19 17:28:53.546 INFO [stderr]    |
Dec 19 17:28:53.546 INFO [stderr] 26 | fn parse_pair<T: FromStr>(s: &str, separator: char) -> Option<(T, T)> {
Dec 19 17:28:53.546 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:28:53.546 INFO [stderr] 
Dec 19 17:28:53.546 INFO [stderr] warning: function is never used: `parse_complex`
Dec 19 17:28:53.546 INFO [stderr]   --> src/main.rs:40:1
Dec 19 17:28:53.546 INFO [stderr]    |
Dec 19 17:28:53.546 INFO [stderr] 40 | fn parse_complex(s:&str) -> Option<Complex<f64>> {
Dec 19 17:28:53.546 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:28:53.546 INFO [stderr] 
Dec 19 17:28:53.546 INFO [stderr] warning: function is never used: `pixel_to_point`
Dec 19 17:28:53.546 INFO [stderr]   --> src/main.rs:47:1
Dec 19 17:28:53.546 INFO [stderr]    |
Dec 19 17:28:53.546 INFO [stderr] 47 | / fn pixel_to_point(bounds: (usize, usize),
Dec 19 17:28:53.546 INFO [stderr] 48 | |                   pixel: (usize, usize),
Dec 19 17:28:53.546 INFO [stderr] 49 | |                   upper_left: Complex<f64>,
Dec 19 17:28:53.546 INFO [stderr] 50 | |                   lower_right: Complex<f64>)
Dec 19 17:28:53.546 INFO [stderr] ...  |
Dec 19 17:28:53.546 INFO [stderr] 59 | |     }
Dec 19 17:28:53.546 INFO [stderr] 60 | | }
Dec 19 17:28:53.546 INFO [stderr]    | |_^
Dec 19 17:28:53.546 INFO [stderr] 
Dec 19 17:28:53.643 INFO [stderr] warning: function is never used: `escape_time`
Dec 19 17:28:53.643 INFO [stderr]   --> src/main.rs:13:1
Dec 19 17:28:53.643 INFO [stderr]    |
Dec 19 17:28:53.643 INFO [stderr] 13 | fn escape_time(c: Complex<f64>, limit: u32) -> Option<u32> {
Dec 19 17:28:53.644 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:28:53.644 INFO [stderr]    |
Dec 19 17:28:53.644 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:28:53.644 INFO [stderr] 
Dec 19 17:28:53.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
Dec 19 17:28:54.042 INFO running `"docker" "inspect" "8c1773013c496e82b5aedb6e721db1cac102044bcc030cd58df5933012074d44"`
Dec 19 17:28:54.149 INFO running `"docker" "rm" "-f" "8c1773013c496e82b5aedb6e721db1cac102044bcc030cd58df5933012074d44"`
Dec 19 17:28:54.219 INFO [stdout] 8c1773013c496e82b5aedb6e721db1cac102044bcc030cd58df5933012074d44