Dec 19 21:59:36.324 INFO checking SSStormy/demy against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:59:36.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/SSStormy/demy:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:59:36.816 INFO [stdout] b10aad9f33d9f5204270490ab9cd59e1ce808053a84fe44ccfcc8b26da5ebdf1
Dec 19 21:59:36.818 INFO running `"docker" "start" "-a" "b10aad9f33d9f5204270490ab9cd59e1ce808053a84fe44ccfcc8b26da5ebdf1"`
Dec 19 21:59:39.633 INFO [stderr]     Checking serde v1.0.46
Dec 19 21:59:39.664 INFO [stderr]    Compiling serde_derive v1.0.46
Dec 19 21:59:57.964 INFO [stderr]     Checking serde_json v1.0.17
Dec 19 22:00:00.384 INFO [stderr]     Checking demy v0.1.0 (/opt/crater/workdir)
Dec 19 22:00:01.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.92s
Dec 19 22:00:02.256 INFO running `"docker" "inspect" "b10aad9f33d9f5204270490ab9cd59e1ce808053a84fe44ccfcc8b26da5ebdf1"`
Dec 19 22:00:02.594 INFO running `"docker" "rm" "-f" "b10aad9f33d9f5204270490ab9cd59e1ce808053a84fe44ccfcc8b26da5ebdf1"`
Dec 19 22:00:02.893 INFO [stdout] b10aad9f33d9f5204270490ab9cd59e1ce808053a84fe44ccfcc8b26da5ebdf1