Dec 17 15:09:53.562 INFO checking sn99/mandelbrot against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:09:53.562 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/sn99/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 17 15:09:54.018 INFO [stdout] 1cb337de6e968d305a1981b9d63b15e8419ae3ad39684d2d682da631cddae883
Dec 17 15:09:54.020 INFO running `"docker" "start" "-a" "1cb337de6e968d305a1981b9d63b15e8419ae3ad39684d2d682da631cddae883"`
Dec 17 15:09:56.426 INFO [stderr]     Checking num-complex v0.2.1
Dec 17 15:09:56.433 INFO [stderr]     Checking crossbeam-epoch v0.7.0
Dec 17 15:09:56.433 INFO [stderr]    Compiling syn v0.15.15
Dec 17 15:09:56.433 INFO [stderr]     Checking num-bigint v0.2.0
Dec 17 15:09:56.440 INFO [stderr]     Checking rand v0.6.1
Dec 17 15:09:59.209 INFO [stderr]     Checking crossbeam-deque v0.6.3
Dec 17 15:10:02.869 INFO [stderr]     Checking num-rational v0.2.1
Dec 17 15:10:03.788 INFO [stderr]     Checking parking_lot_core v0.4.0
Dec 17 15:10:04.504 INFO [stderr]     Checking num v0.2.0
Dec 17 15:10:05.196 INFO [stderr]     Checking parking_lot v0.7.0
Dec 17 15:10:06.120 INFO [stderr]     Checking crossbeam-channel v0.3.4
Dec 17 15:10:10.505 INFO [stderr]     Checking crossbeam v0.6.0
Dec 17 15:10:12.448 INFO [stderr]    Compiling num-derive v0.2.3
Dec 17 15:10:17.408 INFO [stderr]     Checking tiff v0.2.1
Dec 17 15:10:18.020 INFO [stderr]     Checking image v0.20.1
Dec 17 15:10:22.481 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 17 15:10:22.870 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:22.870 INFO [stderr]    --> src/main.rs:141:9
Dec 17 15:10:22.870 INFO [stderr]     |
Dec 17 15:10:22.870 INFO [stderr] 141 | /         crossbeam::scope(|spawner| {
Dec 17 15:10:22.870 INFO [stderr] 142 | |             for (i, band) in bands.into_iter().enumerate() {
Dec 17 15:10:22.870 INFO [stderr] 143 | |                 let top = rows_per_band * i;
Dec 17 15:10:22.870 INFO [stderr] 144 | |                 let height = band.len() / bounds.0;
Dec 17 15:10:22.870 INFO [stderr] ...   |
Dec 17 15:10:22.870 INFO [stderr] 153 | |             }
Dec 17 15:10:22.870 INFO [stderr] 154 | |         });
Dec 17 15:10:22.870 INFO [stderr]     | |___________^
Dec 17 15:10:22.870 INFO [stderr]     |
Dec 17 15:10:22.870 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 15:10:22.870 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:22.870 INFO [stderr] 
Dec 17 15:10:22.948 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 15:10:22.948 INFO [stderr]    --> src/main.rs:141:9
Dec 17 15:10:22.948 INFO [stderr]     |
Dec 17 15:10:22.948 INFO [stderr] 141 | /         crossbeam::scope(|spawner| {
Dec 17 15:10:22.948 INFO [stderr] 142 | |             for (i, band) in bands.into_iter().enumerate() {
Dec 17 15:10:22.948 INFO [stderr] 143 | |                 let top = rows_per_band * i;
Dec 17 15:10:22.948 INFO [stderr] 144 | |                 let height = band.len() / bounds.0;
Dec 17 15:10:22.948 INFO [stderr] ...   |
Dec 17 15:10:22.948 INFO [stderr] 153 | |             }
Dec 17 15:10:22.948 INFO [stderr] 154 | |         });
Dec 17 15:10:22.948 INFO [stderr]     | |___________^
Dec 17 15:10:22.948 INFO [stderr]     |
Dec 17 15:10:22.948 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 15:10:22.948 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 15:10:22.948 INFO [stderr] 
Dec 17 15:10:22.972 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.81s
Dec 17 15:10:23.394 INFO running `"docker" "inspect" "1cb337de6e968d305a1981b9d63b15e8419ae3ad39684d2d682da631cddae883"`
Dec 17 15:10:23.473 INFO running `"docker" "rm" "-f" "1cb337de6e968d305a1981b9d63b15e8419ae3ad39684d2d682da631cddae883"`
Dec 17 15:10:23.574 INFO [stdout] 1cb337de6e968d305a1981b9d63b15e8419ae3ad39684d2d682da631cddae883