Dec 18 16:52:52.781 INFO checking e_num_derive-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:52:52.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/e_num_derive/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:52:52.981 INFO [stdout] 1aa481d0935d81d659a838abc785278a13cd70abd493d8e0be58c27863272485
Dec 18 16:52:52.981 INFO running `"docker" "start" "-a" "1aa481d0935d81d659a838abc785278a13cd70abd493d8e0be58c27863272485"`
Dec 18 16:52:53.693 INFO [stderr]     Checking ident_case v1.0.0
Dec 18 16:52:54.007 INFO [stderr]     Checking darling_core v0.8.1
Dec 18 16:52:56.250 INFO [stderr]     Checking darling v0.8.1
Dec 18 16:52:56.695 INFO [stderr]     Checking e_num_derive v0.1.0 (/opt/crater/workdir)
Dec 18 16:52:58.040 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
Dec 18 16:52:59.248 INFO running `"docker" "inspect" "1aa481d0935d81d659a838abc785278a13cd70abd493d8e0be58c27863272485"`
Dec 18 16:52:59.590 INFO running `"docker" "rm" "-f" "1aa481d0935d81d659a838abc785278a13cd70abd493d8e0be58c27863272485"`
Dec 18 16:52:59.984 INFO [stdout] 1aa481d0935d81d659a838abc785278a13cd70abd493d8e0be58c27863272485