Dec 18 02:19:19.970 INFO checking cmr/one-hour-roguelike against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 02:19:19.970 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/cmr/one-hour-roguelike:/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 02:19:20.743 INFO [stdout] bb352cc07fc60c03dcee2496c7cda4a0974fa48ebe5bc9c1978d00705735d36d Dec 18 02:19:20.745 INFO running `"docker" "start" "-a" "bb352cc07fc60c03dcee2496c7cda4a0974fa48ebe5bc9c1978d00705735d36d"` Dec 18 02:19:22.048 INFO [stderr] Checking rogue v0.0.1 (/opt/crater/workdir) Dec 18 02:19:22.372 INFO [stderr] warning: variable does not need to be mutable Dec 18 02:19:22.372 INFO [stderr] --> src/main.rs:172:9 Dec 18 02:19:22.372 INFO [stderr] | Dec 18 02:19:22.372 INFO [stderr] 172 | let mut stdin = std::io::stdin(); Dec 18 02:19:22.372 INFO [stderr] | ----^^^^^ Dec 18 02:19:22.372 INFO [stderr] | | Dec 18 02:19:22.372 INFO [stderr] | help: remove this `mut` Dec 18 02:19:22.372 INFO [stderr] | Dec 18 02:19:22.372 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 02:19:22.372 INFO [stderr] Dec 18 02:19:22.372 INFO [stderr] warning: function `P` should have a snake case name such as `p` Dec 18 02:19:22.372 INFO [stderr] --> src/main.rs:6:1 Dec 18 02:19:22.372 INFO [stderr] | Dec 18 02:19:22.372 INFO [stderr] 6 | / fn P(val: T) -> P { Dec 18 02:19:22.372 INFO [stderr] 7 | | return Rc::new(RefCell::new(val)); Dec 18 02:19:22.372 INFO [stderr] 8 | | } Dec 18 02:19:22.372 INFO [stderr] | |_^ Dec 18 02:19:22.373 INFO [stderr] | Dec 18 02:19:22.373 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 18 02:19:22.373 INFO [stderr] Dec 18 02:19:22.380 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 02:19:22.380 INFO [stderr] --> src/main.rs:169:5 Dec 18 02:19:22.380 INFO [stderr] | Dec 18 02:19:22.380 INFO [stderr] 169 | f.read_to_end(&mut loaded); Dec 18 02:19:22.380 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 02:19:22.380 INFO [stderr] | Dec 18 02:19:22.380 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 02:19:22.380 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 02:19:22.380 INFO [stderr] Dec 18 02:19:22.380 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 02:19:22.380 INFO [stderr] --> src/main.rs:178:9 Dec 18 02:19:22.380 INFO [stderr] | Dec 18 02:19:22.380 INFO [stderr] 178 | stdin.read_line(&mut line); Dec 18 02:19:22.380 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 02:19:22.380 INFO [stderr] | Dec 18 02:19:22.380 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 02:19:22.380 INFO [stderr] Dec 18 02:19:22.568 INFO [stderr] warning: variable does not need to be mutable Dec 18 02:19:22.568 INFO [stderr] --> src/main.rs:172:9 Dec 18 02:19:22.568 INFO [stderr] | Dec 18 02:19:22.568 INFO [stderr] 172 | let mut stdin = std::io::stdin(); Dec 18 02:19:22.568 INFO [stderr] | ----^^^^^ Dec 18 02:19:22.568 INFO [stderr] | | Dec 18 02:19:22.568 INFO [stderr] | help: remove this `mut` Dec 18 02:19:22.568 INFO [stderr] | Dec 18 02:19:22.568 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 02:19:22.568 INFO [stderr] Dec 18 02:19:22.568 INFO [stderr] warning: function `P` should have a snake case name such as `p` Dec 18 02:19:22.568 INFO [stderr] --> src/main.rs:6:1 Dec 18 02:19:22.568 INFO [stderr] | Dec 18 02:19:22.568 INFO [stderr] 6 | / fn P(val: T) -> P { Dec 18 02:19:22.568 INFO [stderr] 7 | | return Rc::new(RefCell::new(val)); Dec 18 02:19:22.568 INFO [stderr] 8 | | } Dec 18 02:19:22.568 INFO [stderr] | |_^ Dec 18 02:19:22.568 INFO [stderr] | Dec 18 02:19:22.568 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 18 02:19:22.568 INFO [stderr] Dec 18 02:19:22.576 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 02:19:22.576 INFO [stderr] --> src/main.rs:169:5 Dec 18 02:19:22.576 INFO [stderr] | Dec 18 02:19:22.576 INFO [stderr] 169 | f.read_to_end(&mut loaded); Dec 18 02:19:22.576 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 02:19:22.576 INFO [stderr] | Dec 18 02:19:22.576 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 02:19:22.576 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 02:19:22.576 INFO [stderr] Dec 18 02:19:22.576 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 02:19:22.576 INFO [stderr] --> src/main.rs:178:9 Dec 18 02:19:22.576 INFO [stderr] | Dec 18 02:19:22.576 INFO [stderr] 178 | stdin.read_line(&mut line); Dec 18 02:19:22.576 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 02:19:22.576 INFO [stderr] | Dec 18 02:19:22.576 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 02:19:22.576 INFO [stderr] Dec 18 02:19:22.605 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s Dec 18 02:19:23.895 INFO running `"docker" "inspect" "bb352cc07fc60c03dcee2496c7cda4a0974fa48ebe5bc9c1978d00705735d36d"` Dec 18 02:19:24.136 INFO running `"docker" "rm" "-f" "bb352cc07fc60c03dcee2496c7cda4a0974fa48ebe5bc9c1978d00705735d36d"` Dec 18 02:19:24.514 INFO [stdout] bb352cc07fc60c03dcee2496c7cda4a0974fa48ebe5bc9c1978d00705735d36d