Dec 17 14:16:46.134 INFO checking swatteau/heightmap against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:16:46.134 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/swatteau/heightmap:/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 17 14:16:46.550 INFO [stdout] ef839d444c0fd1d6bab4d0f63556c41412ac5213dfc37500d9ce14010dbc355a
Dec 17 14:16:46.552 INFO running `"docker" "start" "-a" "ef839d444c0fd1d6bab4d0f63556c41412ac5213dfc37500d9ce14010dbc355a"`
Dec 17 14:16:47.981 INFO [stderr]     Checking atty v0.2.8
Dec 17 14:16:47.981 INFO [stderr]     Checking rand v0.4.1
Dec 17 14:16:48.224 INFO [stderr]     Checking clap v2.31.2
Dec 17 14:16:49.468 INFO [stderr]     Checking diamondsquare v0.1.0 (/opt/crater/workdir/diamondsquare)
Dec 17 14:16:49.780 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 17 14:16:49.780 INFO [stderr]   --> diamondsquare/src/lib.rs:15:12
Dec 17 14:16:49.780 INFO [stderr]    |
Dec 17 14:16:49.780 INFO [stderr] 15 | #![feature(iterator_step_by)]
Dec 17 14:16:49.780 INFO [stderr]    |            ^^^^^^^^^^^^^^^^
Dec 17 14:16:49.780 INFO [stderr]    |
Dec 17 14:16:49.780 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 17 14:16:49.780 INFO [stderr] 
Dec 17 14:16:52.626 INFO [stderr]     Checking heightmap v0.1.0 (/opt/crater/workdir)
Dec 17 14:16:52.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
Dec 17 14:16:53.761 INFO running `"docker" "inspect" "ef839d444c0fd1d6bab4d0f63556c41412ac5213dfc37500d9ce14010dbc355a"`
Dec 17 14:16:54.016 INFO running `"docker" "rm" "-f" "ef839d444c0fd1d6bab4d0f63556c41412ac5213dfc37500d9ce14010dbc355a"`
Dec 17 14:16:54.257 INFO [stdout] ef839d444c0fd1d6bab4d0f63556c41412ac5213dfc37500d9ce14010dbc355a