Dec 19 07:44:11.053 INFO checking swatteau/heightmap against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:44:11.053 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:44:11.411 INFO [stdout] ee39d42bd31d59c11262fa65e95e3cc1fcfff49b595957fa3b0930cdf990d97f
Dec 19 07:44:11.444 INFO running `"docker" "start" "-a" "ee39d42bd31d59c11262fa65e95e3cc1fcfff49b595957fa3b0930cdf990d97f"`
Dec 19 07:44:12.625 INFO [stderr]     Checking rand v0.4.1
Dec 19 07:44:12.626 INFO [stderr]     Checking atty v0.2.8
Dec 19 07:44:12.904 INFO [stderr]     Checking clap v2.31.2
Dec 19 07:44:14.200 INFO [stderr]     Checking diamondsquare v0.1.0 (/opt/crater/workdir/diamondsquare)
Dec 19 07:44:14.368 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 19 07:44:14.368 INFO [stderr]   --> diamondsquare/src/lib.rs:15:12
Dec 19 07:44:14.368 INFO [stderr]    |
Dec 19 07:44:14.368 INFO [stderr] 15 | #![feature(iterator_step_by)]
Dec 19 07:44:14.368 INFO [stderr]    |            ^^^^^^^^^^^^^^^^
Dec 19 07:44:14.368 INFO [stderr]    |
Dec 19 07:44:14.368 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 19 07:44:14.368 INFO [stderr] 
Dec 19 07:44:17.752 INFO [stderr]     Checking heightmap v0.1.0 (/opt/crater/workdir)
Dec 19 07:44:18.401 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.84s
Dec 19 07:44:19.317 INFO running `"docker" "inspect" "ee39d42bd31d59c11262fa65e95e3cc1fcfff49b595957fa3b0930cdf990d97f"`
Dec 19 07:44:19.608 INFO running `"docker" "rm" "-f" "ee39d42bd31d59c11262fa65e95e3cc1fcfff49b595957fa3b0930cdf990d97f"`
Dec 19 07:44:19.920 INFO [stdout] ee39d42bd31d59c11262fa65e95e3cc1fcfff49b595957fa3b0930cdf990d97f