Dec 18 17:42:56.400 INFO checking cell-gc-derive-0.2.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:42:56.400 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/cell-gc-derive/0.2.1:/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 17:42:56.993 INFO [stdout] 2183c2572fa03208b5c813dff3315bd63c008c0c4f64021509a6586203db3ab7
Dec 18 17:42:56.995 INFO running `"docker" "start" "-a" "2183c2572fa03208b5c813dff3315bd63c008c0c4f64021509a6586203db3ab7"`
Dec 18 17:42:58.804 INFO [stderr]     Checking syn v0.11.11
Dec 18 17:43:01.362 INFO [stderr]     Checking cell-gc-derive v0.2.1 (/opt/crater/workdir)
Dec 18 17:43:02.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
Dec 18 17:43:03.410 INFO running `"docker" "inspect" "2183c2572fa03208b5c813dff3315bd63c008c0c4f64021509a6586203db3ab7"`
Dec 18 17:43:03.660 INFO running `"docker" "rm" "-f" "2183c2572fa03208b5c813dff3315bd63c008c0c4f64021509a6586203db3ab7"`
Dec 18 17:43:03.944 INFO [stdout] 2183c2572fa03208b5c813dff3315bd63c008c0c4f64021509a6586203db3ab7