Dec 18 01:22:59.853 INFO checking dgryski/rust-bf against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 01:22:59.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/dgryski/rust-bf:/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 01:23:00.285 INFO [stdout] 14bf6c7186d904b0bd69b82f379838214e5ad93f0d1d76d3364d01f790468623 Dec 18 01:23:00.287 INFO running `"docker" "start" "-a" "14bf6c7186d904b0bd69b82f379838214e5ad93f0d1d76d3364d01f790468623"` Dec 18 01:23:01.920 INFO [stderr] Checking bf v0.1.0 (/opt/crater/workdir) Dec 18 01:23:02.227 INFO [stderr] warning: unused variable: `arg1` Dec 18 01:23:02.227 INFO [stderr] --> src/main.rs:17:13 Dec 18 01:23:02.227 INFO [stderr] | Dec 18 01:23:02.227 INFO [stderr] 17 | let ref arg1 = args[1]; Dec 18 01:23:02.227 INFO [stderr] | ^^^^ help: consider using `_arg1` instead Dec 18 01:23:02.227 INFO [stderr] | Dec 18 01:23:02.227 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 01:23:02.227 INFO [stderr] Dec 18 01:23:02.241 INFO [stderr] warning: unused variable: `arg1` Dec 18 01:23:02.241 INFO [stderr] --> src/main.rs:17:13 Dec 18 01:23:02.241 INFO [stderr] | Dec 18 01:23:02.241 INFO [stderr] 17 | let ref arg1 = args[1]; Dec 18 01:23:02.241 INFO [stderr] | ^^^^ help: consider using `_arg1` instead Dec 18 01:23:02.241 INFO [stderr] | Dec 18 01:23:02.241 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 01:23:02.241 INFO [stderr] Dec 18 01:23:02.250 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 01:23:02.250 INFO [stderr] --> src/main.rs:31:9 Dec 18 01:23:02.250 INFO [stderr] | Dec 18 01:23:02.250 INFO [stderr] 31 | io::stderr().write(err.as_bytes()); Dec 18 01:23:02.250 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 01:23:02.250 INFO [stderr] | Dec 18 01:23:02.250 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 01:23:02.250 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 01:23:02.250 INFO [stderr] Dec 18 01:23:02.264 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 01:23:02.264 INFO [stderr] --> src/main.rs:31:9 Dec 18 01:23:02.264 INFO [stderr] | Dec 18 01:23:02.264 INFO [stderr] 31 | io::stderr().write(err.as_bytes()); Dec 18 01:23:02.264 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 01:23:02.264 INFO [stderr] | Dec 18 01:23:02.264 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 01:23:02.264 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 01:23:02.264 INFO [stderr] Dec 18 01:23:02.290 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s Dec 18 01:23:02.818 INFO running `"docker" "inspect" "14bf6c7186d904b0bd69b82f379838214e5ad93f0d1d76d3364d01f790468623"` Dec 18 01:23:03.102 INFO running `"docker" "rm" "-f" "14bf6c7186d904b0bd69b82f379838214e5ad93f0d1d76d3364d01f790468623"` Dec 18 01:23:03.256 INFO [stdout] 14bf6c7186d904b0bd69b82f379838214e5ad93f0d1d76d3364d01f790468623