Dec 18 17:06:56.504 INFO checking derive_deref-1.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:06:56.505 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/derive_deref/1.0.1:/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 17:06:56.824 INFO [stdout] 5edfd7bcf5841aff585d7d5a67bb7672de24293dbe39d178c52213b9f9e137f7
Dec 18 17:06:56.830 INFO running `"docker" "start" "-a" "5edfd7bcf5841aff585d7d5a67bb7672de24293dbe39d178c52213b9f9e137f7"`
Dec 18 17:06:57.536 INFO [stderr]     Checking proc-macro2 v0.3.8
Dec 18 17:06:57.575 INFO [stderr]    Compiling derive_deref v1.0.1 (/opt/crater/workdir)
Dec 18 17:06:58.582 INFO [stderr]     Checking quote v0.5.2
Dec 18 17:06:59.060 INFO [stderr]     Checking syn v0.13.11
Dec 18 17:07:02.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
Dec 18 17:07:03.634 INFO running `"docker" "inspect" "5edfd7bcf5841aff585d7d5a67bb7672de24293dbe39d178c52213b9f9e137f7"`
Dec 18 17:07:03.898 INFO running `"docker" "rm" "-f" "5edfd7bcf5841aff585d7d5a67bb7672de24293dbe39d178c52213b9f9e137f7"`
Dec 18 17:07:04.332 INFO [stdout] 5edfd7bcf5841aff585d7d5a67bb7672de24293dbe39d178c52213b9f9e137f7