Dec 17 22:02:11.323 INFO checking jrop/rust-calc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:02:11.323 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jrop/rust-calc:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:02:11.533 INFO [stdout] 2daef619c3b2553ddbef75d9eb9dcd6a2701fefa78dda754a48e83b25a6ca7b4
Dec 17 22:02:11.552 INFO running `"docker" "start" "-a" "2daef619c3b2553ddbef75d9eb9dcd6a2701fefa78dda754a48e83b25a6ca7b4"`
Dec 17 22:02:12.263 INFO [stderr]     Checking utf8parse v0.1.1
Dec 17 22:02:12.418 INFO [stderr]     Checking rustyline v2.1.0
Dec 17 22:02:13.674 INFO [stderr]     Checking rust-calc v0.1.0 (/opt/crater/workdir)
Dec 17 22:02:14.290 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
Dec 17 22:02:14.574 INFO running `"docker" "inspect" "2daef619c3b2553ddbef75d9eb9dcd6a2701fefa78dda754a48e83b25a6ca7b4"`
Dec 17 22:02:14.682 INFO running `"docker" "rm" "-f" "2daef619c3b2553ddbef75d9eb9dcd6a2701fefa78dda754a48e83b25a6ca7b4"`
Dec 17 22:02:14.835 INFO [stdout] 2daef619c3b2553ddbef75d9eb9dcd6a2701fefa78dda754a48e83b25a6ca7b4