Nov 29 17:57:53.036 INFO checking sn99/mandelbrot against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 17:57:53.036 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 17:57:53.480 INFO [stdout] 31e08ef1e1ba6ed95b866fc6cfd682a670f0b8e6985167b881460d151f03bff8
Nov 29 17:57:53.488 INFO running `"docker" "start" "-a" "31e08ef1e1ba6ed95b866fc6cfd682a670f0b8e6985167b881460d151f03bff8"`
Nov 29 17:57:55.034 INFO [stderr] usermod: no changes
Nov 29 17:57:55.272 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Nov 29 17:57:55.272 INFO [stderr]     Checking crossbeam-epoch v0.6.1
Nov 29 17:57:55.273 INFO [stderr]    Compiling syn v0.15.15
Nov 29 17:57:55.275 INFO [stderr]     Checking num v0.2.0
Nov 29 17:57:56.857 INFO [stderr]     Checking crossbeam-deque v0.6.2
Nov 29 17:57:56.858 INFO [stderr]     Checking crossbeam-channel v0.3.2
Nov 29 17:57:57.056 INFO [stderr]     Checking crossbeam-deque v0.2.0
Nov 29 17:57:58.372 INFO [stderr]     Checking rayon-core v1.4.1
Nov 29 17:58:00.530 INFO [stderr]     Checking crossbeam v0.5.0
Nov 29 17:58:00.946 INFO [stderr]     Checking rayon v1.0.2
Nov 29 17:58:08.528 INFO [stderr]     Checking jpeg-decoder v0.1.15
Nov 29 17:58:12.616 INFO [stderr]    Compiling num-derive v0.2.3
Nov 29 17:58:18.796 INFO [stderr]     Checking tiff v0.2.1
Nov 29 17:58:19.634 INFO [stderr]     Checking image v0.20.1
Nov 29 17:58:24.752 INFO [stderr]     Checking mandelbrot v0.1.0 (/source)
Nov 29 17:58:25.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:58:25.609 INFO [stderr]    --> src/main.rs:141:9
Nov 29 17:58:25.609 INFO [stderr]     |
Nov 29 17:58:25.609 INFO [stderr] 141 | /         crossbeam::scope(|spawner| {
Nov 29 17:58:25.609 INFO [stderr] 142 | |             for (i, band) in bands.into_iter().enumerate() {
Nov 29 17:58:25.609 INFO [stderr] 143 | |                 let top = rows_per_band * i;
Nov 29 17:58:25.609 INFO [stderr] 144 | |                 let height = band.len() / bounds.0;
Nov 29 17:58:25.609 INFO [stderr] ...   |
Nov 29 17:58:25.609 INFO [stderr] 153 | |             }
Nov 29 17:58:25.609 INFO [stderr] 154 | |         });
Nov 29 17:58:25.609 INFO [stderr]     | |___________^
Nov 29 17:58:25.609 INFO [stderr]     |
Nov 29 17:58:25.609 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 17:58:25.609 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:58:25.609 INFO [stderr] 
Nov 29 17:58:25.689 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:58:25.689 INFO [stderr]    --> src/main.rs:141:9
Nov 29 17:58:25.689 INFO [stderr]     |
Nov 29 17:58:25.689 INFO [stderr] 141 | /         crossbeam::scope(|spawner| {
Nov 29 17:58:25.689 INFO [stderr] 142 | |             for (i, band) in bands.into_iter().enumerate() {
Nov 29 17:58:25.689 INFO [stderr] 143 | |                 let top = rows_per_band * i;
Nov 29 17:58:25.689 INFO [stderr] 144 | |                 let height = band.len() / bounds.0;
Nov 29 17:58:25.689 INFO [stderr] ...   |
Nov 29 17:58:25.689 INFO [stderr] 153 | |             }
Nov 29 17:58:25.689 INFO [stderr] 154 | |         });
Nov 29 17:58:25.689 INFO [stderr]     | |___________^
Nov 29 17:58:25.689 INFO [stderr]     |
Nov 29 17:58:25.689 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 17:58:25.689 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:58:25.689 INFO [stderr] 
Nov 29 17:58:25.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.65s
Nov 29 17:58:25.732 INFO [stderr] su: No module specific data is present
Nov 29 17:58:26.073 INFO running `"docker" "inspect" "31e08ef1e1ba6ed95b866fc6cfd682a670f0b8e6985167b881460d151f03bff8"`
Nov 29 17:58:26.206 INFO running `"docker" "rm" "-f" "31e08ef1e1ba6ed95b866fc6cfd682a670f0b8e6985167b881460d151f03bff8"`
Nov 29 17:58:26.448 INFO [stdout] 31e08ef1e1ba6ed95b866fc6cfd682a670f0b8e6985167b881460d151f03bff8