Dec 19 09:17:21.025 INFO checking scooter-dangle/compatible-enum-serializations against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:17:21.025 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/scooter-dangle/compatible-enum-serializations:/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 09:17:21.254 INFO [stdout] 0f9e7cbebf59de4f97f6b2fe3773dae1d4709365f7dfc4a184a60ed0b96f7232
Dec 19 09:17:21.258 INFO running `"docker" "start" "-a" "0f9e7cbebf59de4f97f6b2fe3773dae1d4709365f7dfc4a184a60ed0b96f7232"`
Dec 19 09:17:22.176 INFO [stderr]     Checking serde v1.0.17
Dec 19 09:17:22.184 INFO [stderr]    Compiling serde_derive v1.0.17
Dec 19 09:17:30.318 INFO [stderr]     Checking bincode v0.9.2
Dec 19 09:17:30.908 INFO [stderr]     Checking compatible-enums v0.1.0 (/opt/crater/workdir)
Dec 19 09:17:31.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.28s
Dec 19 09:17:32.306 INFO running `"docker" "inspect" "0f9e7cbebf59de4f97f6b2fe3773dae1d4709365f7dfc4a184a60ed0b96f7232"`
Dec 19 09:17:32.618 INFO running `"docker" "rm" "-f" "0f9e7cbebf59de4f97f6b2fe3773dae1d4709365f7dfc4a184a60ed0b96f7232"`
Dec 19 09:17:32.856 INFO [stdout] 0f9e7cbebf59de4f97f6b2fe3773dae1d4709365f7dfc4a184a60ed0b96f7232