Dec 19 11:56:30.260 INFO checking neosam/textgame against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 11:56:30.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/neosam/textgame:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 11:56:30.531 INFO [stdout] 667ed8babe9716f5c4ae94b973a28c5075b5310848e4876e0df64d0c7e13dce5 Dec 19 11:56:30.531 INFO running `"docker" "start" "-a" "667ed8babe9716f5c4ae94b973a28c5075b5310848e4876e0df64d0c7e13dce5"` Dec 19 11:56:31.159 INFO [stderr] Checking serde_json v0.8.4 Dec 19 11:56:32.320 INFO [stderr] Checking textgametest v0.1.0 (/opt/crater/workdir) Dec 19 11:56:32.892 INFO [stderr] warning: unnecessary parentheses around function argument Dec 19 11:56:32.892 INFO [stderr] --> src/terminal.rs:59:23 Dec 19 11:56:32.892 INFO [stderr] | Dec 19 11:56:32.892 INFO [stderr] 59 | return Ok((false)) Dec 19 11:56:32.892 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 19 11:56:32.892 INFO [stderr] | Dec 19 11:56:32.892 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 19 11:56:32.892 INFO [stderr] Dec 19 11:56:33.060 INFO [stderr] warning: unnecessary parentheses around function argument Dec 19 11:56:33.060 INFO [stderr] --> src/terminal.rs:59:23 Dec 19 11:56:33.060 INFO [stderr] | Dec 19 11:56:33.060 INFO [stderr] 59 | return Ok((false)) Dec 19 11:56:33.061 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 19 11:56:33.076 INFO [stderr] | Dec 19 11:56:33.077 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 19 11:56:33.077 INFO [stderr] Dec 19 11:56:33.564 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.564 INFO [stderr] --> src/main.rs:30:13 Dec 19 11:56:33.564 INFO [stderr] | Dec 19 11:56:33.564 INFO [stderr] 30 | let mut game_room = game.room_mut(room_ref); Dec 19 11:56:33.564 INFO [stderr] | ----^^^^^^^^^ Dec 19 11:56:33.564 INFO [stderr] | | Dec 19 11:56:33.564 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.564 INFO [stderr] | Dec 19 11:56:33.564 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 11:56:33.564 INFO [stderr] Dec 19 11:56:33.592 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.592 INFO [stderr] --> src/main.rs:30:13 Dec 19 11:56:33.592 INFO [stderr] | Dec 19 11:56:33.592 INFO [stderr] 30 | let mut game_room = game.room_mut(room_ref); Dec 19 11:56:33.592 INFO [stderr] | ----^^^^^^^^^ Dec 19 11:56:33.592 INFO [stderr] | | Dec 19 11:56:33.592 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.592 INFO [stderr] | Dec 19 11:56:33.592 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 11:56:33.592 INFO [stderr] Dec 19 11:56:33.744 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.744 INFO [stderr] --> src/game.rs:54:13 Dec 19 11:56:33.744 INFO [stderr] | Dec 19 11:56:33.744 INFO [stderr] 54 | let mut to_room = self.room_mut(to_room_key); Dec 19 11:56:33.744 INFO [stderr] | ----^^^^^^^ Dec 19 11:56:33.744 INFO [stderr] | | Dec 19 11:56:33.744 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.744 INFO [stderr] Dec 19 11:56:33.748 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.748 INFO [stderr] --> src/game.rs:54:13 Dec 19 11:56:33.748 INFO [stderr] | Dec 19 11:56:33.748 INFO [stderr] 54 | let mut to_room = self.room_mut(to_room_key); Dec 19 11:56:33.748 INFO [stderr] | ----^^^^^^^ Dec 19 11:56:33.748 INFO [stderr] | | Dec 19 11:56:33.748 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.748 INFO [stderr] Dec 19 11:56:33.771 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.771 INFO [stderr] --> src/terminal.rs:114:15 Dec 19 11:56:33.771 INFO [stderr] | Dec 19 11:56:33.771 INFO [stderr] 114 | Box::new(|mut game| { Dec 19 11:56:33.771 INFO [stderr] | ----^^^^ Dec 19 11:56:33.771 INFO [stderr] | | Dec 19 11:56:33.771 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.771 INFO [stderr] Dec 19 11:56:33.771 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.771 INFO [stderr] --> src/terminal.rs:114:15 Dec 19 11:56:33.771 INFO [stderr] | Dec 19 11:56:33.771 INFO [stderr] 114 | Box::new(|mut game| { Dec 19 11:56:33.771 INFO [stderr] | ----^^^^ Dec 19 11:56:33.771 INFO [stderr] | | Dec 19 11:56:33.771 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.771 INFO [stderr] Dec 19 11:56:33.771 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.771 INFO [stderr] --> src/terminal.rs:126:15 Dec 19 11:56:33.771 INFO [stderr] | Dec 19 11:56:33.771 INFO [stderr] 126 | Box::new(|mut game| { Dec 19 11:56:33.771 INFO [stderr] | ----^^^^ Dec 19 11:56:33.771 INFO [stderr] | | Dec 19 11:56:33.771 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.771 INFO [stderr] Dec 19 11:56:33.771 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.771 INFO [stderr] --> src/terminal.rs:126:15 Dec 19 11:56:33.771 INFO [stderr] | Dec 19 11:56:33.771 INFO [stderr] 126 | Box::new(|mut game| { Dec 19 11:56:33.771 INFO [stderr] | ----^^^^ Dec 19 11:56:33.771 INFO [stderr] | | Dec 19 11:56:33.771 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.771 INFO [stderr] Dec 19 11:56:33.771 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.771 INFO [stderr] --> src/terminal.rs:134:15 Dec 19 11:56:33.771 INFO [stderr] | Dec 19 11:56:33.771 INFO [stderr] 134 | Box::new(|mut game| { Dec 19 11:56:33.771 INFO [stderr] | ----^^^^ Dec 19 11:56:33.771 INFO [stderr] | | Dec 19 11:56:33.771 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.771 INFO [stderr] Dec 19 11:56:33.776 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.776 INFO [stderr] --> src/terminal.rs:134:15 Dec 19 11:56:33.776 INFO [stderr] | Dec 19 11:56:33.776 INFO [stderr] 134 | Box::new(|mut game| { Dec 19 11:56:33.776 INFO [stderr] | ----^^^^ Dec 19 11:56:33.776 INFO [stderr] | | Dec 19 11:56:33.776 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.776 INFO [stderr] Dec 19 11:56:33.776 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.776 INFO [stderr] --> src/terminal.rs:150:15 Dec 19 11:56:33.776 INFO [stderr] | Dec 19 11:56:33.776 INFO [stderr] 150 | Box::new(|mut game| { Dec 19 11:56:33.776 INFO [stderr] | ----^^^^ Dec 19 11:56:33.776 INFO [stderr] | | Dec 19 11:56:33.776 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.776 INFO [stderr] Dec 19 11:56:33.776 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.777 INFO [stderr] --> src/terminal.rs:161:15 Dec 19 11:56:33.777 INFO [stderr] | Dec 19 11:56:33.777 INFO [stderr] 161 | Box::new(|mut game| { Dec 19 11:56:33.777 INFO [stderr] | ----^^^^ Dec 19 11:56:33.777 INFO [stderr] | | Dec 19 11:56:33.777 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.777 INFO [stderr] Dec 19 11:56:33.777 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.777 INFO [stderr] --> src/terminal.rs:150:15 Dec 19 11:56:33.777 INFO [stderr] | Dec 19 11:56:33.777 INFO [stderr] 150 | Box::new(|mut game| { Dec 19 11:56:33.777 INFO [stderr] | ----^^^^ Dec 19 11:56:33.777 INFO [stderr] | | Dec 19 11:56:33.777 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.777 INFO [stderr] Dec 19 11:56:33.777 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.777 INFO [stderr] --> src/terminal.rs:161:15 Dec 19 11:56:33.777 INFO [stderr] | Dec 19 11:56:33.777 INFO [stderr] 161 | Box::new(|mut game| { Dec 19 11:56:33.777 INFO [stderr] | ----^^^^ Dec 19 11:56:33.777 INFO [stderr] | | Dec 19 11:56:33.777 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.777 INFO [stderr] Dec 19 11:56:33.777 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.777 INFO [stderr] --> src/terminal.rs:173:15 Dec 19 11:56:33.777 INFO [stderr] | Dec 19 11:56:33.777 INFO [stderr] 173 | Box::new(|mut game| { Dec 19 11:56:33.777 INFO [stderr] | ----^^^^ Dec 19 11:56:33.777 INFO [stderr] | | Dec 19 11:56:33.777 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.777 INFO [stderr] Dec 19 11:56:33.777 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.777 INFO [stderr] --> src/terminal.rs:176:13 Dec 19 11:56:33.777 INFO [stderr] | Dec 19 11:56:33.777 INFO [stderr] 176 | let mut room = game.player_room_mut(); Dec 19 11:56:33.777 INFO [stderr] | ----^^^^ Dec 19 11:56:33.777 INFO [stderr] | | Dec 19 11:56:33.777 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.777 INFO [stderr] Dec 19 11:56:33.780 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.780 INFO [stderr] --> src/terminal.rs:190:15 Dec 19 11:56:33.780 INFO [stderr] | Dec 19 11:56:33.780 INFO [stderr] 190 | Box::new(|mut game| { Dec 19 11:56:33.780 INFO [stderr] | ----^^^^ Dec 19 11:56:33.780 INFO [stderr] | | Dec 19 11:56:33.780 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.780 INFO [stderr] Dec 19 11:56:33.780 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.780 INFO [stderr] --> src/terminal.rs:196:13 Dec 19 11:56:33.780 INFO [stderr] | Dec 19 11:56:33.780 INFO [stderr] 196 | let mut room = game.player_room_mut(); Dec 19 11:56:33.780 INFO [stderr] | ----^^^^ Dec 19 11:56:33.780 INFO [stderr] | | Dec 19 11:56:33.780 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.780 INFO [stderr] Dec 19 11:56:33.796 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.796 INFO [stderr] --> src/terminal.rs:173:15 Dec 19 11:56:33.796 INFO [stderr] | Dec 19 11:56:33.796 INFO [stderr] 173 | Box::new(|mut game| { Dec 19 11:56:33.796 INFO [stderr] | ----^^^^ Dec 19 11:56:33.796 INFO [stderr] | | Dec 19 11:56:33.796 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.796 INFO [stderr] Dec 19 11:56:33.796 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.796 INFO [stderr] --> src/terminal.rs:176:13 Dec 19 11:56:33.796 INFO [stderr] | Dec 19 11:56:33.796 INFO [stderr] 176 | let mut room = game.player_room_mut(); Dec 19 11:56:33.796 INFO [stderr] | ----^^^^ Dec 19 11:56:33.796 INFO [stderr] | | Dec 19 11:56:33.796 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.796 INFO [stderr] Dec 19 11:56:33.796 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.796 INFO [stderr] --> src/terminal.rs:190:15 Dec 19 11:56:33.796 INFO [stderr] | Dec 19 11:56:33.796 INFO [stderr] 190 | Box::new(|mut game| { Dec 19 11:56:33.796 INFO [stderr] | ----^^^^ Dec 19 11:56:33.796 INFO [stderr] | | Dec 19 11:56:33.796 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.796 INFO [stderr] Dec 19 11:56:33.796 INFO [stderr] warning: variable does not need to be mutable Dec 19 11:56:33.796 INFO [stderr] --> src/terminal.rs:196:13 Dec 19 11:56:33.796 INFO [stderr] | Dec 19 11:56:33.796 INFO [stderr] 196 | let mut room = game.player_room_mut(); Dec 19 11:56:33.796 INFO [stderr] | ----^^^^ Dec 19 11:56:33.796 INFO [stderr] | | Dec 19 11:56:33.796 INFO [stderr] | help: remove this `mut` Dec 19 11:56:33.796 INFO [stderr] Dec 19 11:56:33.796 INFO [stderr] warning: type alias is never used: `GameResult` Dec 19 11:56:33.796 INFO [stderr] --> src/gameerror.rs:25:1 Dec 19 11:56:33.796 INFO [stderr] | Dec 19 11:56:33.796 INFO [stderr] 25 | type GameResult = result::Result; Dec 19 11:56:33.796 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 11:56:33.796 INFO [stderr] | Dec 19 11:56:33.796 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 11:56:33.796 INFO [stderr] Dec 19 11:56:33.796 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable Dec 19 11:56:33.797 INFO [stderr] --> src/main.rs:1:12 Dec 19 11:56:33.797 INFO [stderr] | Dec 19 11:56:33.797 INFO [stderr] 1 | #![feature(proc_macro)] Dec 19 11:56:33.797 INFO [stderr] | ^^^^^^^^^^ Dec 19 11:56:33.797 INFO [stderr] | Dec 19 11:56:33.797 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 19 11:56:33.797 INFO [stderr] Dec 19 11:56:33.797 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable Dec 19 11:56:33.797 INFO [stderr] --> src/main.rs:2:12 Dec 19 11:56:33.797 INFO [stderr] | Dec 19 11:56:33.797 INFO [stderr] 2 | #![feature(conservative_impl_trait)] Dec 19 11:56:33.797 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 11:56:33.797 INFO [stderr] Dec 19 11:56:33.812 INFO [stderr] warning: type alias is never used: `GameResult` Dec 19 11:56:33.812 INFO [stderr] --> src/gameerror.rs:25:1 Dec 19 11:56:33.812 INFO [stderr] | Dec 19 11:56:33.812 INFO [stderr] 25 | type GameResult = result::Result; Dec 19 11:56:33.812 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 11:56:33.812 INFO [stderr] | Dec 19 11:56:33.812 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 11:56:33.812 INFO [stderr] Dec 19 11:56:33.812 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable Dec 19 11:56:33.812 INFO [stderr] --> src/main.rs:1:12 Dec 19 11:56:33.812 INFO [stderr] | Dec 19 11:56:33.812 INFO [stderr] 1 | #![feature(proc_macro)] Dec 19 11:56:33.812 INFO [stderr] | ^^^^^^^^^^ Dec 19 11:56:33.812 INFO [stderr] | Dec 19 11:56:33.812 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 19 11:56:33.812 INFO [stderr] Dec 19 11:56:33.812 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable Dec 19 11:56:33.812 INFO [stderr] --> src/main.rs:2:12 Dec 19 11:56:33.812 INFO [stderr] | Dec 19 11:56:33.812 INFO [stderr] 2 | #![feature(conservative_impl_trait)] Dec 19 11:56:33.812 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 11:56:33.812 INFO [stderr] Dec 19 11:56:33.885 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.76s Dec 19 11:56:49.106 INFO running `"docker" "inspect" "667ed8babe9716f5c4ae94b973a28c5075b5310848e4876e0df64d0c7e13dce5"` Dec 19 11:56:49.201 INFO running `"docker" "rm" "-f" "667ed8babe9716f5c4ae94b973a28c5075b5310848e4876e0df64d0c7e13dce5"` Dec 19 11:56:49.331 INFO [stdout] 667ed8babe9716f5c4ae94b973a28c5075b5310848e4876e0df64d0c7e13dce5