Dec 17 16:08:52.996 INFO checking santifa/rs-examples against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:08:52.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/santifa/rs-examples:/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 16:08:53.404 INFO [stdout] a6b2ee2453d896f2d325feeda5edd4da86b75bd6b99b9f8a3bfe06f0e33d4cb6
Dec 17 16:08:53.406 INFO running `"docker" "start" "-a" "a6b2ee2453d896f2d325feeda5edd4da86b75bd6b99b9f8a3bfe06f0e33d4cb6"`
Dec 17 16:08:55.391 INFO [stderr]     Checking num v0.1.41
Dec 17 16:08:55.393 INFO [stderr]     Checking flate2 v1.0.1
Dec 17 16:08:55.614 INFO [stderr]     Checking chrono v0.4.0
Dec 17 16:08:57.615 INFO [stderr]     Checking rs-examples v0.1.0 (/opt/crater/workdir)
Dec 17 16:08:58.853 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
Dec 17 16:09:00.172 INFO running `"docker" "inspect" "a6b2ee2453d896f2d325feeda5edd4da86b75bd6b99b9f8a3bfe06f0e33d4cb6"`
Dec 17 16:09:00.448 INFO running `"docker" "rm" "-f" "a6b2ee2453d896f2d325feeda5edd4da86b75bd6b99b9f8a3bfe06f0e33d4cb6"`
Dec 17 16:09:00.736 INFO [stdout] a6b2ee2453d896f2d325feeda5edd4da86b75bd6b99b9f8a3bfe06f0e33d4cb6