Dec 19 15:23:49.379 INFO checking jarcane/wf against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:23:49.379 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/jarcane/wf:/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 15:23:49.582 INFO [stdout] 1383874da95ae6fb27880ac82ffda35e29583c9d6e8b7f6d8bd68f7f2cb490d2
Dec 19 15:23:49.584 INFO running `"docker" "start" "-a" "1383874da95ae6fb27880ac82ffda35e29583c9d6e8b7f6d8bd68f7f2cb490d2"`
Dec 19 15:23:50.240 INFO [stderr]     Checking either v1.0.2
Dec 19 15:23:50.474 INFO [stderr]     Checking itertools v0.5.6
Dec 19 15:23:51.937 INFO [stderr]     Checking wf v0.2.2 (/opt/crater/workdir)
Dec 19 15:23:52.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 19 15:23:53.270 INFO running `"docker" "inspect" "1383874da95ae6fb27880ac82ffda35e29583c9d6e8b7f6d8bd68f7f2cb490d2"`
Dec 19 15:23:53.468 INFO running `"docker" "rm" "-f" "1383874da95ae6fb27880ac82ffda35e29583c9d6e8b7f6d8bd68f7f2cb490d2"`
Dec 19 15:23:53.672 INFO [stdout] 1383874da95ae6fb27880ac82ffda35e29583c9d6e8b7f6d8bd68f7f2cb490d2