Dec 19 18:49:46.271 INFO checking cookie-s/factor against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:49:46.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/cookie-s/factor:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:49:46.561 INFO [stdout] 4e75f56815f85cecea17af1908dca3f4741bd3cad8f7bf2e16d31deadc9fe347
Dec 19 18:49:46.566 INFO running `"docker" "start" "-a" "4e75f56815f85cecea17af1908dca3f4741bd3cad8f7bf2e16d31deadc9fe347"`
Dec 19 18:49:47.216 INFO [stderr]     Checking num-bigint v0.1.41
Dec 19 18:49:48.820 INFO [stderr]     Checking num-rational v0.1.40
Dec 19 18:49:49.370 INFO [stderr]     Checking num v0.1.41
Dec 19 18:49:49.776 INFO [stderr]     Checking factor v0.1.0 (/opt/crater/workdir)
Dec 19 18:49:51.048 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
Dec 19 18:49:52.072 INFO running `"docker" "inspect" "4e75f56815f85cecea17af1908dca3f4741bd3cad8f7bf2e16d31deadc9fe347"`
Dec 19 18:49:52.422 INFO running `"docker" "rm" "-f" "4e75f56815f85cecea17af1908dca3f4741bd3cad8f7bf2e16d31deadc9fe347"`
Dec 19 18:49:52.708 INFO [stdout] 4e75f56815f85cecea17af1908dca3f4741bd3cad8f7bf2e16d31deadc9fe347