Dec 17 22:53:17.396 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-flow_control-while_let against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:53:17.396 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/intrepion/example-x-rust-x-rustbyexample-com-x-flow_control-while_let:/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 22:53:17.560 INFO [stdout] bd48f76150c99b3f3ee2a50e1367b9314193805359a773e0b5ae4cc48ed8c600
Dec 17 22:53:17.561 INFO running `"docker" "start" "-a" "bd48f76150c99b3f3ee2a50e1367b9314193805359a773e0b5ae4cc48ed8c600"`
Dec 17 22:53:18.097 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-flow_control-while_let v0.1.0 (/opt/crater/workdir)
Dec 17 22:53:18.376 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Dec 17 22:53:18.650 INFO running `"docker" "inspect" "bd48f76150c99b3f3ee2a50e1367b9314193805359a773e0b5ae4cc48ed8c600"`
Dec 17 22:53:18.768 INFO running `"docker" "rm" "-f" "bd48f76150c99b3f3ee2a50e1367b9314193805359a773e0b5ae4cc48ed8c600"`
Dec 17 22:53:18.852 INFO [stdout] bd48f76150c99b3f3ee2a50e1367b9314193805359a773e0b5ae4cc48ed8c600