Dec 18 11:04:42.274 INFO checking snapshot-proc-macro-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:04:42.274 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/snapshot-proc-macro/0.1.0:/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 11:04:42.494 INFO [stdout] 871f35f273793a84fa1b9f8adb0b34b89c162b3c032c765533954c6d4c24f119
Dec 18 11:04:42.496 INFO running `"docker" "start" "-a" "871f35f273793a84fa1b9f8adb0b34b89c162b3c032c765533954c6d4c24f119"`
Dec 18 11:04:43.825 INFO [stderr]     Checking syn v0.14.9
Dec 18 11:04:51.093 INFO [stderr]     Checking snapshot-proc-macro v0.1.0 (/opt/crater/workdir)
Dec 18 11:04:51.525 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.76s
Dec 18 11:04:51.846 INFO running `"docker" "inspect" "871f35f273793a84fa1b9f8adb0b34b89c162b3c032c765533954c6d4c24f119"`
Dec 18 11:04:51.985 INFO running `"docker" "rm" "-f" "871f35f273793a84fa1b9f8adb0b34b89c162b3c032c765533954c6d4c24f119"`
Dec 18 11:04:52.088 INFO [stdout] 871f35f273793a84fa1b9f8adb0b34b89c162b3c032c765533954c6d4c24f119