Dec 19 21:59:30.319 INFO checking SSStormy/demy against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:59:30.319 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:59:30.778 INFO [stdout] b0aa8722d504944d13ec74a6ff930bace20d098ea11f63c990cf0f4d6bb73900
Dec 19 21:59:30.780 INFO running `"docker" "start" "-a" "b0aa8722d504944d13ec74a6ff930bace20d098ea11f63c990cf0f4d6bb73900"`
Dec 19 21:59:33.309 INFO [stderr]     Checking serde v1.0.46
Dec 19 21:59:33.326 INFO [stderr]    Compiling serde_derive v1.0.46
Dec 19 21:59:51.025 INFO [stderr]     Checking serde_json v1.0.17
Dec 19 21:59:53.087 INFO [stderr]     Checking demy v0.1.0 (/opt/crater/workdir)
Dec 19 21:59:54.433 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.21s
Dec 19 21:59:56.096 INFO running `"docker" "inspect" "b0aa8722d504944d13ec74a6ff930bace20d098ea11f63c990cf0f4d6bb73900"`
Dec 19 21:59:56.504 INFO running `"docker" "rm" "-f" "b0aa8722d504944d13ec74a6ff930bace20d098ea11f63c990cf0f4d6bb73900"`
Dec 19 21:59:56.844 INFO [stdout] b0aa8722d504944d13ec74a6ff930bace20d098ea11f63c990cf0f4d6bb73900