Dec 18 01:39:04.218 INFO checking davidpdrsn/enum-each-variant-derive against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 01:39:04.218 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/gh/davidpdrsn/enum-each-variant-derive:/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 01:39:04.556 INFO [stdout] 36d11510b14d509ac727d323cd040976e6983164ededb1028bffa23df23974b6 Dec 18 01:39:04.558 INFO running `"docker" "start" "-a" "36d11510b14d509ac727d323cd040976e6983164ededb1028bffa23df23974b6"` Dec 18 01:39:06.327 INFO [stderr] Checking proc-macro2 v0.2.3 Dec 18 01:39:06.873 INFO [stderr] Checking quote v0.4.2 Dec 18 01:39:07.212 INFO [stderr] Checking syn v0.12.15 Dec 18 01:39:09.780 INFO [stderr] Checking enum-each-variant-derive v0.1.4-alpha.0 (/opt/crater/workdir) Dec 18 01:39:10.296 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.01s Dec 18 01:39:10.923 INFO running `"docker" "inspect" "36d11510b14d509ac727d323cd040976e6983164ededb1028bffa23df23974b6"` Dec 18 01:39:11.182 INFO running `"docker" "rm" "-f" "36d11510b14d509ac727d323cd040976e6983164ededb1028bffa23df23974b6"` Dec 18 01:39:11.343 INFO [stdout] 36d11510b14d509ac727d323cd040976e6983164ededb1028bffa23df23974b6