Dec 18 16:55:09.762 INFO checking dssim-2.9.9 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:55:09.762 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/dssim/2.9.9:/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 16:55:10.104 INFO [stdout] ee9a71ecfd2e79682e378610a5965f0647ff8e2eed446de9a2aea35783b259f7
Dec 18 16:55:10.106 INFO running `"docker" "start" "-a" "ee9a71ecfd2e79682e378610a5965f0647ff8e2eed446de9a2aea35783b259f7"`
Dec 18 16:55:10.913 INFO [stderr]     Checking rgb v0.8.11
Dec 18 16:55:10.914 INFO [stderr]     Checking imgref v1.3.5
Dec 18 16:55:11.542 INFO [stderr]     Checking lodepng v2.4.2
Dec 18 16:55:13.141 INFO [stderr]     Checking dssim v2.9.9 (/opt/crater/workdir)
Dec 18 16:55:15.174 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
Dec 18 16:55:15.778 INFO running `"docker" "inspect" "ee9a71ecfd2e79682e378610a5965f0647ff8e2eed446de9a2aea35783b259f7"`
Dec 18 16:55:15.959 INFO running `"docker" "rm" "-f" "ee9a71ecfd2e79682e378610a5965f0647ff8e2eed446de9a2aea35783b259f7"`
Dec 18 16:55:16.216 INFO [stdout] ee9a71ecfd2e79682e378610a5965f0647ff8e2eed446de9a2aea35783b259f7