Dec 18 03:08:39.565 INFO checking bombless/np against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:08:39.565 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/bombless/np:/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 18 03:08:39.934 INFO [stdout] d567c7643e4ce03d4fb94594b92154bf06468df79a683e8bd2d3e832a721af10
Dec 18 03:08:39.938 INFO running `"docker" "start" "-a" "d567c7643e4ce03d4fb94594b92154bf06468df79a683e8bd2d3e832a721af10"`
Dec 18 03:08:41.528 INFO [stderr]     Checking np v0.1.0 (/opt/crater/workdir)
Dec 18 03:08:41.864 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 03:08:41.864 INFO [stderr]  --> src/main.rs:1:12
Dec 18 03:08:41.864 INFO [stderr]   |
Dec 18 03:08:41.864 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 18 03:08:41.864 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 03:08:41.864 INFO [stderr]   |
Dec 18 03:08:41.864 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 03:08:41.864 INFO [stderr] 
Dec 18 03:08:41.928 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 03:08:41.928 INFO [stderr]  --> src/main.rs:1:12
Dec 18 03:08:41.928 INFO [stderr]   |
Dec 18 03:08:41.928 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 18 03:08:41.928 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 18 03:08:41.928 INFO [stderr]   |
Dec 18 03:08:41.928 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 03:08:41.928 INFO [stderr] 
Dec 18 03:08:41.969 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 18 03:08:42.610 INFO running `"docker" "inspect" "d567c7643e4ce03d4fb94594b92154bf06468df79a683e8bd2d3e832a721af10"`
Dec 18 03:08:43.012 INFO running `"docker" "rm" "-f" "d567c7643e4ce03d4fb94594b92154bf06468df79a683e8bd2d3e832a721af10"`
Dec 18 03:08:43.260 INFO [stdout] d567c7643e4ce03d4fb94594b92154bf06468df79a683e8bd2d3e832a721af10