Dec 18 14:55:40.005 INFO checking intercom-utils-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:55:40.005 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/intercom-utils/0.2.0:/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 14:55:40.367 INFO [stdout] fb733e439a56e994eaf9e5914804b364a8c86febdf9c0497068e2bfe3b961c17
Dec 18 14:55:40.369 INFO running `"docker" "start" "-a" "fb733e439a56e994eaf9e5914804b364a8c86febdf9c0497068e2bfe3b961c17"`
Dec 18 14:55:40.991 INFO [stderr]     Checking sha1 v0.3.0
Dec 18 14:55:40.991 INFO [stderr]     Checking if_chain v0.1.3
Dec 18 14:55:41.299 INFO [stderr]     Checking intercom-common v0.2.0
Dec 18 14:55:42.074 INFO [stderr]     Checking intercom-utils v0.2.0 (/opt/crater/workdir)
Dec 18 14:55:43.013 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Dec 18 14:55:43.694 INFO running `"docker" "inspect" "fb733e439a56e994eaf9e5914804b364a8c86febdf9c0497068e2bfe3b961c17"`
Dec 18 14:55:43.885 INFO running `"docker" "rm" "-f" "fb733e439a56e994eaf9e5914804b364a8c86febdf9c0497068e2bfe3b961c17"`
Dec 18 14:55:43.990 INFO [stdout] fb733e439a56e994eaf9e5914804b364a8c86febdf9c0497068e2bfe3b961c17