Dec 19 15:41:54.765 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-flow_control-match-guard against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:41:54.766 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/intrepion/example-x-rust-x-rustbyexample-com-x-flow_control-match-guard:/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 15:41:54.954 INFO [stdout] b84dca5e405389aaa9f8dd5540e5f00d43aa91f7b367aaf8e3e5eb0141571bf8
Dec 19 15:41:54.955 INFO running `"docker" "start" "-a" "b84dca5e405389aaa9f8dd5540e5f00d43aa91f7b367aaf8e3e5eb0141571bf8"`
Dec 19 15:41:55.509 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-flow_control-match-guard v0.1.0 (/opt/crater/workdir)
Dec 19 15:41:55.720 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
Dec 19 15:41:55.966 INFO running `"docker" "inspect" "b84dca5e405389aaa9f8dd5540e5f00d43aa91f7b367aaf8e3e5eb0141571bf8"`
Dec 19 15:41:56.049 INFO running `"docker" "rm" "-f" "b84dca5e405389aaa9f8dd5540e5f00d43aa91f7b367aaf8e3e5eb0141571bf8"`
Dec 19 15:41:56.117 INFO [stdout] b84dca5e405389aaa9f8dd5540e5f00d43aa91f7b367aaf8e3e5eb0141571bf8