Dec 11 09:16:31.810 INFO checking sn99/mandelbrot against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 09:16:31.810 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 09:16:32.248 INFO [stdout] fc4f691d1b3c3d167f6a5ab6f2a66e87650385c2e4e9edfb1efe94189c3a90ac
Dec 11 09:16:32.251 INFO running `"docker" "start" "-a" "fc4f691d1b3c3d167f6a5ab6f2a66e87650385c2e4e9edfb1efe94189c3a90ac"`
Dec 11 09:16:33.454 INFO [stderr] usermod: no changes
Dec 11 09:16:33.680 INFO [stderr]    Compiling num-complex v0.2.1
Dec 11 09:16:33.720 INFO [stderr]     Checking crossbeam-epoch v0.6.1
Dec 11 09:16:33.720 INFO [stderr]    Compiling syn v0.15.15
Dec 11 09:16:33.720 INFO [stderr]     Checking num-bigint v0.2.0
Dec 11 09:16:33.720 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 11 09:16:36.623 INFO [stderr]     Checking crossbeam-channel v0.3.2
Dec 11 09:16:36.623 INFO [stderr]     Checking crossbeam-deque v0.6.2
Dec 11 09:16:40.698 INFO [stderr]     Checking num-rational v0.2.1
Dec 11 09:16:41.071 INFO [stderr]     Checking crossbeam v0.5.0
Dec 11 09:16:42.288 INFO [stderr]     Checking num v0.2.0
Dec 11 09:16:49.161 INFO [stderr]    Compiling num-derive v0.2.3
Dec 11 09:16:54.019 INFO [stderr]     Checking tiff v0.2.1
Dec 11 09:16:54.768 INFO [stderr]     Checking image v0.20.1
Dec 11 09:16:58.952 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Dec 11 09:17:00.672 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:17:00.672 INFO [stderr]    --> src/main.rs:141:9
Dec 11 09:17:00.672 INFO [stderr]     |
Dec 11 09:17:00.672 INFO [stderr] 141 | /         crossbeam::scope(|spawner| {
Dec 11 09:17:00.672 INFO [stderr] 142 | |             for (i, band) in bands.into_iter().enumerate() {
Dec 11 09:17:00.672 INFO [stderr] 143 | |                 let top = rows_per_band * i;
Dec 11 09:17:00.672 INFO [stderr] 144 | |                 let height = band.len() / bounds.0;
Dec 11 09:17:00.672 INFO [stderr] ...   |
Dec 11 09:17:00.672 INFO [stderr] 153 | |             }
Dec 11 09:17:00.672 INFO [stderr] 154 | |         });
Dec 11 09:17:00.672 INFO [stderr]     | |___________^
Dec 11 09:17:00.672 INFO [stderr]     |
Dec 11 09:17:00.672 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 09:17:00.672 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:17:00.672 INFO [stderr] 
Dec 11 09:17:00.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 09:17:00.872 INFO [stderr]    --> src/main.rs:141:9
Dec 11 09:17:00.872 INFO [stderr]     |
Dec 11 09:17:00.872 INFO [stderr] 141 | /         crossbeam::scope(|spawner| {
Dec 11 09:17:00.872 INFO [stderr] 142 | |             for (i, band) in bands.into_iter().enumerate() {
Dec 11 09:17:00.872 INFO [stderr] 143 | |                 let top = rows_per_band * i;
Dec 11 09:17:00.872 INFO [stderr] 144 | |                 let height = band.len() / bounds.0;
Dec 11 09:17:00.872 INFO [stderr] ...   |
Dec 11 09:17:00.872 INFO [stderr] 153 | |             }
Dec 11 09:17:00.872 INFO [stderr] 154 | |         });
Dec 11 09:17:00.872 INFO [stderr]     | |___________^
Dec 11 09:17:00.872 INFO [stderr]     |
Dec 11 09:17:00.872 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 09:17:00.872 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 09:17:00.872 INFO [stderr] 
Dec 11 09:17:00.905 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.42s
Dec 11 09:17:00.913 INFO [stderr] su: No module specific data is present
Dec 11 09:17:01.537 INFO running `"docker" "inspect" "fc4f691d1b3c3d167f6a5ab6f2a66e87650385c2e4e9edfb1efe94189c3a90ac"`
Dec 11 09:17:01.858 INFO running `"docker" "rm" "-f" "fc4f691d1b3c3d167f6a5ab6f2a66e87650385c2e4e9edfb1efe94189c3a90ac"`
Dec 11 09:17:02.292 INFO [stdout] fc4f691d1b3c3d167f6a5ab6f2a66e87650385c2e4e9edfb1efe94189c3a90ac