Dec 18 05:59:48.091 INFO checking PeterCxy/huffman-coding-cse104-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 05:59:48.091 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/PeterCxy/huffman-coding-cse104-rust:/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 18 05:59:48.474 INFO [stdout] 7e1ef30c036c40b9db1f8bfed02fc7abb50d8b9aa8b0e60b2a7b1e4ec40d480f Dec 18 05:59:48.476 INFO running `"docker" "start" "-a" "7e1ef30c036c40b9db1f8bfed02fc7abb50d8b9aa8b0e60b2a7b1e4ec40d480f"` Dec 18 05:59:51.334 INFO [stderr] Checking huffman v0.1.0 (/opt/crater/workdir) Dec 18 05:59:52.298 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s Dec 18 05:59:53.813 INFO running `"docker" "inspect" "7e1ef30c036c40b9db1f8bfed02fc7abb50d8b9aa8b0e60b2a7b1e4ec40d480f"` Dec 18 05:59:54.212 INFO running `"docker" "rm" "-f" "7e1ef30c036c40b9db1f8bfed02fc7abb50d8b9aa8b0e60b2a7b1e4ec40d480f"` Dec 18 05:59:54.616 INFO [stdout] 7e1ef30c036c40b9db1f8bfed02fc7abb50d8b9aa8b0e60b2a7b1e4ec40d480f