Dec 18 13:55:34.242 INFO checking moniker-derive-0.5.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:55:34.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/moniker-derive/0.5.0:/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 13:55:34.386 INFO [stdout] a44d73fa127323e2567b88f0c606d8e290e3f4fc7f7b48309ed870399b191fb7
Dec 18 13:55:34.388 INFO running `"docker" "start" "-a" "a44d73fa127323e2567b88f0c606d8e290e3f4fc7f7b48309ed870399b191fb7"`
Dec 18 13:55:35.004 INFO [stderr]     Checking syn v0.15.23
Dec 18 13:55:39.731 INFO [stderr]     Checking synstructure v0.10.1
Dec 18 13:55:40.555 INFO [stderr]     Checking moniker-derive v0.5.0 (/opt/crater/workdir)
Dec 18 13:55:41.680 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.69s
Dec 18 13:55:42.848 INFO running `"docker" "inspect" "a44d73fa127323e2567b88f0c606d8e290e3f4fc7f7b48309ed870399b191fb7"`
Dec 18 13:55:43.156 INFO running `"docker" "rm" "-f" "a44d73fa127323e2567b88f0c606d8e290e3f4fc7f7b48309ed870399b191fb7"`
Dec 18 13:55:43.442 INFO [stdout] a44d73fa127323e2567b88f0c606d8e290e3f4fc7f7b48309ed870399b191fb7