Dec 18 16:45:49.832 INFO checking enum-iterator-0.2.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:45:49.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/enum-iterator/0.2.3:/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 16:45:50.099 INFO [stdout] 0b9ba21820079f7ebc718112509e5b0de6cfbd0a3ba4b19a612f47c37584aee7
Dec 18 16:45:50.106 INFO running `"docker" "start" "-a" "0b9ba21820079f7ebc718112509e5b0de6cfbd0a3ba4b19a612f47c37584aee7"`
Dec 18 16:45:51.057 INFO [stderr]    Compiling enum-iterator-derive v0.2.3
Dec 18 16:45:52.169 INFO [stderr]     Checking enum-iterator v0.2.3 (/opt/crater/workdir)
Dec 18 16:45:52.501 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Dec 18 16:45:52.842 INFO running `"docker" "inspect" "0b9ba21820079f7ebc718112509e5b0de6cfbd0a3ba4b19a612f47c37584aee7"`
Dec 18 16:45:52.957 INFO running `"docker" "rm" "-f" "0b9ba21820079f7ebc718112509e5b0de6cfbd0a3ba4b19a612f47c37584aee7"`
Dec 18 16:45:53.037 INFO [stdout] 0b9ba21820079f7ebc718112509e5b0de6cfbd0a3ba4b19a612f47c37584aee7