Dec 17 14:40:04.329 INFO checking stevedonovan/cargo-docgen against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 14:40:04.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/stevedonovan/cargo-docgen:/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 17 14:40:04.906 INFO [stdout] a11fe47df299f8667a417d5c15e11ffb571a704f676a601687c1a7d6a885a2e5
Dec 17 14:40:04.908 INFO running `"docker" "start" "-a" "a11fe47df299f8667a417d5c15e11ffb571a704f676a601687c1a7d6a885a2e5"`
Dec 17 14:40:06.893 INFO [stderr]     Checking easy-shortcuts v0.2.0
Dec 17 14:40:06.904 INFO [stderr]     Checking lapp v0.3.0
Dec 17 14:40:07.883 INFO [stderr]     Checking cargo-docgen v0.1.3 (/opt/crater/workdir)
Dec 17 14:40:08.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 17 14:40:09.396 INFO running `"docker" "inspect" "a11fe47df299f8667a417d5c15e11ffb571a704f676a601687c1a7d6a885a2e5"`
Dec 17 14:40:09.750 INFO running `"docker" "rm" "-f" "a11fe47df299f8667a417d5c15e11ffb571a704f676a601687c1a7d6a885a2e5"`
Dec 17 14:40:10.063 INFO [stdout] a11fe47df299f8667a417d5c15e11ffb571a704f676a601687c1a7d6a885a2e5