Dec 18 08:28:33.357 INFO checking Awpteamoose/tile-count against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:28:33.357 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Awpteamoose/tile-count:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:28:33.582 INFO [stdout] f5ace2cf024fb160afc0fb345080411baefd567ea2d61f07dd70ba747f2af697
Dec 18 08:28:33.584 INFO running `"docker" "start" "-a" "f5ace2cf024fb160afc0fb345080411baefd567ea2d61f07dd70ba747f2af697"`
Dec 18 08:28:34.331 INFO [stderr]     Checking num-integer v0.1.38
Dec 18 08:28:34.728 INFO [stderr]     Checking num-iter v0.1.37
Dec 18 08:28:34.947 INFO [stderr]     Checking png v0.12.0
Dec 18 08:28:35.844 INFO [stderr]     Checking tile-count v0.1.0 (/opt/crater/workdir)
Dec 18 08:28:36.140 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 18 08:28:36.140 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:28:36.140 INFO [stderr]   |
Dec 18 08:28:36.140 INFO [stderr] 3 | #![feature(iterator_step_by)]
Dec 18 08:28:36.140 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 08:28:36.140 INFO [stderr]   |
Dec 18 08:28:36.140 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 08:28:36.140 INFO [stderr] 
Dec 18 08:28:36.148 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 18 08:28:36.148 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:28:36.148 INFO [stderr]   |
Dec 18 08:28:36.148 INFO [stderr] 3 | #![feature(iterator_step_by)]
Dec 18 08:28:36.148 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 08:28:36.148 INFO [stderr]   |
Dec 18 08:28:36.148 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 08:28:36.148 INFO [stderr] 
Dec 18 08:28:36.181 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Dec 18 08:28:36.576 INFO running `"docker" "inspect" "f5ace2cf024fb160afc0fb345080411baefd567ea2d61f07dd70ba747f2af697"`
Dec 18 08:28:36.748 INFO running `"docker" "rm" "-f" "f5ace2cf024fb160afc0fb345080411baefd567ea2d61f07dd70ba747f2af697"`
Dec 18 08:28:36.930 INFO [stdout] f5ace2cf024fb160afc0fb345080411baefd567ea2d61f07dd70ba747f2af697