Dec 18 17:14:53.319 INFO checking crystal-0.0.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:14:53.319 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/crystal/0.0.0:/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 17:14:53.562 INFO [stdout] 272a3b4717675c535fa5d5f4ea14e4b8a89be2ad60c74ba3c7c28bfc0a508de3
Dec 18 17:14:53.566 INFO running `"docker" "start" "-a" "272a3b4717675c535fa5d5f4ea14e4b8a89be2ad60c74ba3c7c28bfc0a508de3"`
Dec 18 17:14:54.210 INFO [stderr]     Checking crystal v0.0.0 (/opt/crater/workdir)
Dec 18 17:14:54.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
Dec 18 17:14:54.874 INFO running `"docker" "inspect" "272a3b4717675c535fa5d5f4ea14e4b8a89be2ad60c74ba3c7c28bfc0a508de3"`
Dec 18 17:14:55.002 INFO running `"docker" "rm" "-f" "272a3b4717675c535fa5d5f4ea14e4b8a89be2ad60c74ba3c7c28bfc0a508de3"`
Dec 18 17:14:55.213 INFO [stdout] 272a3b4717675c535fa5d5f4ea14e4b8a89be2ad60c74ba3c7c28bfc0a508de3