Dec 19 17:55:25.643 INFO checking djmcgill/form against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:55:25.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/djmcgill/form:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:55:26.076 INFO [stdout] 2b74bca1c0cb938dadd8552139ea3a68053be6d8cede505ff8cccbf1c479c058
Dec 19 17:55:26.078 INFO running `"docker" "start" "-a" "2b74bca1c0cb938dadd8552139ea3a68053be6d8cede505ff8cccbf1c479c058"`
Dec 19 17:55:28.497 INFO [stderr]     Checking unicode-xid v0.0.4
Dec 19 17:55:28.511 INFO [stderr]     Checking tempfile v3.0.5
Dec 19 17:55:28.921 INFO [stderr]     Checking synom v0.11.3
Dec 19 17:55:29.491 INFO [stderr]     Checking syn v0.11.11
Dec 19 17:55:33.869 INFO [stderr]     Checking form v0.5.0 (/opt/crater/workdir)
Dec 19 17:55:36.588 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
Dec 19 17:55:37.706 INFO running `"docker" "inspect" "2b74bca1c0cb938dadd8552139ea3a68053be6d8cede505ff8cccbf1c479c058"`
Dec 19 17:55:38.026 INFO running `"docker" "rm" "-f" "2b74bca1c0cb938dadd8552139ea3a68053be6d8cede505ff8cccbf1c479c058"`
Dec 19 17:55:38.383 INFO [stdout] 2b74bca1c0cb938dadd8552139ea3a68053be6d8cede505ff8cccbf1c479c058