Dec 19 17:47:19.352 INFO checking drbh/rarb against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:47:19.352 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/drbh/rarb:/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 17:47:19.752 INFO [stdout] cf7f54bacc0322f1030745dfc8e589dc39ab36bee1687c00a3ac983d7f2430d7
Dec 19 17:47:19.760 INFO running `"docker" "start" "-a" "cf7f54bacc0322f1030745dfc8e589dc39ab36bee1687c00a3ac983d7f2430d7"`
Dec 19 17:47:21.510 INFO [stderr]    Compiling num-iter v0.1.37
Dec 19 17:47:22.942 INFO [stderr]     Checking num v0.1.42
Dec 19 17:47:23.218 INFO [stderr]     Checking chrono v0.2.25
Dec 19 17:47:24.965 INFO [stderr]     Checking rarb v0.1.0 (/opt/crater/workdir)
Dec 19 17:47:25.730 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
Dec 19 17:47:26.106 INFO running `"docker" "inspect" "cf7f54bacc0322f1030745dfc8e589dc39ab36bee1687c00a3ac983d7f2430d7"`
Dec 19 17:47:26.257 INFO running `"docker" "rm" "-f" "cf7f54bacc0322f1030745dfc8e589dc39ab36bee1687c00a3ac983d7f2430d7"`
Dec 19 17:47:26.412 INFO [stdout] cf7f54bacc0322f1030745dfc8e589dc39ab36bee1687c00a3ac983d7f2430d7