Dec 18 17:00:12.302 INFO checking display-as-0.3.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:00:12.302 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/display-as/0.3.1:/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 17:00:12.836 INFO [stdout] 14c1a6fffbc6cd6995e2734d81f48ce34410e531c4ecbd7f1301ad69e1426b58
Dec 18 17:00:12.839 INFO running `"docker" "start" "-a" "14c1a6fffbc6cd6995e2734d81f48ce34410e531c4ecbd7f1301ad69e1426b58"`
Dec 18 17:00:14.171 INFO [stderr]    Compiling syn v0.15.23
Dec 18 17:00:16.216 INFO [stderr]    Compiling proc-macro-hack v0.5.3
Dec 18 17:00:18.048 INFO [stderr]    Compiling display-as-proc-macro v0.3.1
Dec 18 17:00:20.199 INFO [stderr]     Checking display-as v0.3.1 (/opt/crater/workdir)
Dec 18 17:00:22.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
Dec 18 17:00:22.718 INFO running `"docker" "inspect" "14c1a6fffbc6cd6995e2734d81f48ce34410e531c4ecbd7f1301ad69e1426b58"`
Dec 18 17:00:22.773 INFO running `"docker" "rm" "-f" "14c1a6fffbc6cd6995e2734d81f48ce34410e531c4ecbd7f1301ad69e1426b58"`
Dec 18 17:00:22.856 INFO [stdout] 14c1a6fffbc6cd6995e2734d81f48ce34410e531c4ecbd7f1301ad69e1426b58