Dec 19 14:51:40.920 INFO checking jtdowney/fors against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:51:40.920 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/jtdowney/fors:/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 14:51:41.322 INFO [stdout] bb668dfc0b3e4b5e684adc4fafd6617ca5680c7ffc131af06567865b915f35e6
Dec 19 14:51:41.326 INFO running `"docker" "start" "-a" "bb668dfc0b3e4b5e684adc4fafd6617ca5680c7ffc131af06567865b915f35e6"`
Dec 19 14:51:43.608 INFO [stderr]     Checking nom v2.0.0
Dec 19 14:51:43.652 INFO [stderr]     Checking nix v0.7.0
Dec 19 14:51:43.652 INFO [stderr]     Checking term v0.4.4
Dec 19 14:51:48.061 INFO [stderr]     Checking fors v0.1.0 (/opt/crater/workdir)
Dec 19 14:51:48.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.46s
Dec 19 14:51:50.462 INFO running `"docker" "inspect" "bb668dfc0b3e4b5e684adc4fafd6617ca5680c7ffc131af06567865b915f35e6"`
Dec 19 14:51:50.866 INFO running `"docker" "rm" "-f" "bb668dfc0b3e4b5e684adc4fafd6617ca5680c7ffc131af06567865b915f35e6"`
Dec 19 14:51:51.196 INFO [stdout] bb668dfc0b3e4b5e684adc4fafd6617ca5680c7ffc131af06567865b915f35e6