Dec 19 13:07:20.193 INFO checking marksliva/bintester against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:07:20.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/marksliva/bintester:/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 13:07:20.722 INFO [stdout] 2eee838e1b284ef9f924d06ab4910536a09961fba0abe18aa7e6db3a5ffde2e7
Dec 19 13:07:20.725 INFO running `"docker" "start" "-a" "2eee838e1b284ef9f924d06ab4910536a09961fba0abe18aa7e6db3a5ffde2e7"`
Dec 19 13:07:22.156 INFO [stderr]    Compiling syn v0.14.8
Dec 19 13:07:30.307 INFO [stderr]    Compiling serde_derive v1.0.71
Dec 19 13:07:40.902 INFO [stderr]     Checking bintester v0.1.0 (/opt/crater/workdir)
Dec 19 13:07:41.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.08s
Dec 19 13:07:41.402 INFO running `"docker" "inspect" "2eee838e1b284ef9f924d06ab4910536a09961fba0abe18aa7e6db3a5ffde2e7"`
Dec 19 13:07:41.536 INFO running `"docker" "rm" "-f" "2eee838e1b284ef9f924d06ab4910536a09961fba0abe18aa7e6db3a5ffde2e7"`
Dec 19 13:07:41.613 INFO [stdout] 2eee838e1b284ef9f924d06ab4910536a09961fba0abe18aa7e6db3a5ffde2e7