Nov 27 23:46:37.205 INFO checking neosam/textgame against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 23:46:37.206 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 23:46:37.776 INFO [stdout] 6c4bb2106c2432731b72fbcd25216a1723661a0263186d051f107c68f8b4f365
Nov 27 23:46:37.782 INFO running `"docker" "start" "-a" "6c4bb2106c2432731b72fbcd25216a1723661a0263186d051f107c68f8b4f365"`
Nov 27 23:46:39.330 INFO [stderr] usermod: no changes
Nov 27 23:46:39.433 INFO [stderr]     Checking serde v0.8.19
Nov 27 23:46:39.441 INFO [stderr]    Compiling serde_codegen_internals v0.11.1
Nov 27 23:46:41.561 INFO [stderr]    Compiling serde_codegen v0.8.19
Nov 27 23:46:45.499 INFO [stderr]    Compiling serde_derive v0.8.19
Nov 27 23:46:50.255 INFO [stderr]     Checking serde_json v0.8.4
Nov 27 23:46:52.296 INFO [stderr]     Checking textgametest v0.1.0 (/source)
Nov 27 23:46:53.036 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 27 23:46:53.036 INFO [stderr]   --> src/terminal.rs:59:23
Nov 27 23:46:53.036 INFO [stderr]    |
Nov 27 23:46:53.036 INFO [stderr] 59 |             return Ok((false))
Nov 27 23:46:53.036 INFO [stderr]    |                       ^^^^^^^ help: remove these parentheses
Nov 27 23:46:53.036 INFO [stderr]    |
Nov 27 23:46:53.036 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 27 23:46:53.036 INFO [stderr] 
Nov 27 23:46:53.036 INFO [stderr] warning: unnecessary parentheses around function argument
Nov 27 23:46:53.036 INFO [stderr]   --> src/terminal.rs:59:23
Nov 27 23:46:53.036 INFO [stderr]    |
Nov 27 23:46:53.036 INFO [stderr] 59 |             return Ok((false))
Nov 27 23:46:53.036 INFO [stderr]    |                       ^^^^^^^ help: remove these parentheses
Nov 27 23:46:53.036 INFO [stderr]    |
Nov 27 23:46:53.036 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 27 23:46:53.036 INFO [stderr] 
Nov 27 23:46:53.944 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:53.944 INFO [stderr]   --> src/main.rs:30:13
Nov 27 23:46:53.944 INFO [stderr]    |
Nov 27 23:46:53.944 INFO [stderr] 30 |         let mut game_room = game.room_mut(room_ref);
Nov 27 23:46:53.944 INFO [stderr]    |             ----^^^^^^^^^
Nov 27 23:46:53.944 INFO [stderr]    |             |
Nov 27 23:46:53.944 INFO [stderr]    |             help: remove this `mut`
Nov 27 23:46:53.945 INFO [stderr]    |
Nov 27 23:46:53.945 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 23:46:53.945 INFO [stderr] 
Nov 27 23:46:54.132 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.132 INFO [stderr]   --> src/main.rs:30:13
Nov 27 23:46:54.132 INFO [stderr]    |
Nov 27 23:46:54.132 INFO [stderr] 30 |         let mut game_room = game.room_mut(room_ref);
Nov 27 23:46:54.132 INFO [stderr]    |             ----^^^^^^^^^
Nov 27 23:46:54.132 INFO [stderr]    |             |
Nov 27 23:46:54.132 INFO [stderr]    |             help: remove this `mut`
Nov 27 23:46:54.132 INFO [stderr]    |
Nov 27 23:46:54.132 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 23:46:54.132 INFO [stderr] 
Nov 27 23:46:54.283 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.283 INFO [stderr]   --> src/game.rs:54:13
Nov 27 23:46:54.283 INFO [stderr]    |
Nov 27 23:46:54.283 INFO [stderr] 54 |         let mut to_room = self.room_mut(to_room_key);
Nov 27 23:46:54.283 INFO [stderr]    |             ----^^^^^^^
Nov 27 23:46:54.283 INFO [stderr]    |             |
Nov 27 23:46:54.283 INFO [stderr]    |             help: remove this `mut`
Nov 27 23:46:54.283 INFO [stderr] 
Nov 27 23:46:54.324 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.324 INFO [stderr]    --> src/terminal.rs:114:15
Nov 27 23:46:54.324 INFO [stderr]     |
Nov 27 23:46:54.324 INFO [stderr] 114 |     Box::new(|mut game| {
Nov 27 23:46:54.324 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.324 INFO [stderr]     |               |
Nov 27 23:46:54.324 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.324 INFO [stderr] 
Nov 27 23:46:54.326 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.326 INFO [stderr]    --> src/terminal.rs:126:15
Nov 27 23:46:54.326 INFO [stderr]     |
Nov 27 23:46:54.326 INFO [stderr] 126 |     Box::new(|mut game| {
Nov 27 23:46:54.326 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.326 INFO [stderr]     |               |
Nov 27 23:46:54.326 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.326 INFO [stderr] 
Nov 27 23:46:54.328 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.328 INFO [stderr]    --> src/terminal.rs:134:15
Nov 27 23:46:54.328 INFO [stderr]     |
Nov 27 23:46:54.328 INFO [stderr] 134 |     Box::new(|mut game| {
Nov 27 23:46:54.328 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.328 INFO [stderr]     |               |
Nov 27 23:46:54.328 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.328 INFO [stderr] 
Nov 27 23:46:54.330 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.330 INFO [stderr]    --> src/terminal.rs:150:15
Nov 27 23:46:54.330 INFO [stderr]     |
Nov 27 23:46:54.330 INFO [stderr] 150 |     Box::new(|mut game| {
Nov 27 23:46:54.330 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.330 INFO [stderr]     |               |
Nov 27 23:46:54.330 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.332 INFO [stderr] 
Nov 27 23:46:54.333 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.333 INFO [stderr]    --> src/terminal.rs:161:15
Nov 27 23:46:54.333 INFO [stderr]     |
Nov 27 23:46:54.333 INFO [stderr] 161 |     Box::new(|mut game| {
Nov 27 23:46:54.333 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.333 INFO [stderr]     |               |
Nov 27 23:46:54.333 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.333 INFO [stderr] 
Nov 27 23:46:54.343 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.344 INFO [stderr]    --> src/terminal.rs:173:15
Nov 27 23:46:54.344 INFO [stderr]     |
Nov 27 23:46:54.344 INFO [stderr] 173 |     Box::new(|mut game| {
Nov 27 23:46:54.344 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.344 INFO [stderr]     |               |
Nov 27 23:46:54.344 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.344 INFO [stderr] 
Nov 27 23:46:54.345 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.345 INFO [stderr]    --> src/terminal.rs:176:13
Nov 27 23:46:54.345 INFO [stderr]     |
Nov 27 23:46:54.345 INFO [stderr] 176 |         let mut room = game.player_room_mut();
Nov 27 23:46:54.345 INFO [stderr]     |             ----^^^^
Nov 27 23:46:54.345 INFO [stderr]     |             |
Nov 27 23:46:54.345 INFO [stderr]     |             help: remove this `mut`
Nov 27 23:46:54.345 INFO [stderr] 
Nov 27 23:46:54.347 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.347 INFO [stderr]    --> src/terminal.rs:190:15
Nov 27 23:46:54.347 INFO [stderr]     |
Nov 27 23:46:54.347 INFO [stderr] 190 |     Box::new(|mut game| {
Nov 27 23:46:54.347 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.347 INFO [stderr]     |               |
Nov 27 23:46:54.348 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.349 INFO [stderr] 
Nov 27 23:46:54.349 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.349 INFO [stderr]    --> src/terminal.rs:196:13
Nov 27 23:46:54.349 INFO [stderr]     |
Nov 27 23:46:54.349 INFO [stderr] 196 |         let mut room = game.player_room_mut();
Nov 27 23:46:54.349 INFO [stderr]     |             ----^^^^
Nov 27 23:46:54.349 INFO [stderr]     |             |
Nov 27 23:46:54.349 INFO [stderr]     |             help: remove this `mut`
Nov 27 23:46:54.349 INFO [stderr] 
Nov 27 23:46:54.372 INFO [stderr] warning: type alias is never used: `GameResult`
Nov 27 23:46:54.373 INFO [stderr]   --> src/gameerror.rs:25:1
Nov 27 23:46:54.373 INFO [stderr]    |
Nov 27 23:46:54.373 INFO [stderr] 25 | type GameResult<T> = result::Result<T, GameError>;
Nov 27 23:46:54.373 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:46:54.373 INFO [stderr]    |
Nov 27 23:46:54.373 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 23:46:54.373 INFO [stderr] 
Nov 27 23:46:54.374 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 27 23:46:54.374 INFO [stderr]  --> src/main.rs:1:12
Nov 27 23:46:54.374 INFO [stderr]   |
Nov 27 23:46:54.374 INFO [stderr] 1 | #![feature(proc_macro)]
Nov 27 23:46:54.374 INFO [stderr]   |            ^^^^^^^^^^
Nov 27 23:46:54.374 INFO [stderr]   |
Nov 27 23:46:54.375 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 23:46:54.375 INFO [stderr] 
Nov 27 23:46:54.375 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 27 23:46:54.375 INFO [stderr]  --> src/main.rs:2:12
Nov 27 23:46:54.375 INFO [stderr]   |
Nov 27 23:46:54.375 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Nov 27 23:46:54.375 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:46:54.375 INFO [stderr] 
Nov 27 23:46:54.430 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.431 INFO [stderr]   --> src/game.rs:54:13
Nov 27 23:46:54.431 INFO [stderr]    |
Nov 27 23:46:54.431 INFO [stderr] 54 |         let mut to_room = self.room_mut(to_room_key);
Nov 27 23:46:54.431 INFO [stderr]    |             ----^^^^^^^
Nov 27 23:46:54.431 INFO [stderr]    |             |
Nov 27 23:46:54.431 INFO [stderr]    |             help: remove this `mut`
Nov 27 23:46:54.431 INFO [stderr] 
Nov 27 23:46:54.472 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.473 INFO [stderr]    --> src/terminal.rs:114:15
Nov 27 23:46:54.473 INFO [stderr]     |
Nov 27 23:46:54.473 INFO [stderr] 114 |     Box::new(|mut game| {
Nov 27 23:46:54.473 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.473 INFO [stderr]     |               |
Nov 27 23:46:54.473 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.473 INFO [stderr] 
Nov 27 23:46:54.485 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.486 INFO [stderr]    --> src/terminal.rs:126:15
Nov 27 23:46:54.486 INFO [stderr]     |
Nov 27 23:46:54.486 INFO [stderr] 126 |     Box::new(|mut game| {
Nov 27 23:46:54.487 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.487 INFO [stderr]     |               |
Nov 27 23:46:54.487 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.487 INFO [stderr] 
Nov 27 23:46:54.488 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.488 INFO [stderr]    --> src/terminal.rs:134:15
Nov 27 23:46:54.488 INFO [stderr]     |
Nov 27 23:46:54.489 INFO [stderr] 134 |     Box::new(|mut game| {
Nov 27 23:46:54.489 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.489 INFO [stderr]     |               |
Nov 27 23:46:54.490 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.490 INFO [stderr] 
Nov 27 23:46:54.490 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.490 INFO [stderr]    --> src/terminal.rs:150:15
Nov 27 23:46:54.491 INFO [stderr]     |
Nov 27 23:46:54.491 INFO [stderr] 150 |     Box::new(|mut game| {
Nov 27 23:46:54.491 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.492 INFO [stderr]     |               |
Nov 27 23:46:54.492 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.492 INFO [stderr] 
Nov 27 23:46:54.492 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.493 INFO [stderr]    --> src/terminal.rs:161:15
Nov 27 23:46:54.493 INFO [stderr]     |
Nov 27 23:46:54.493 INFO [stderr] 161 |     Box::new(|mut game| {
Nov 27 23:46:54.494 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.494 INFO [stderr]     |               |
Nov 27 23:46:54.494 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.494 INFO [stderr] 
Nov 27 23:46:54.494 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.494 INFO [stderr]    --> src/terminal.rs:173:15
Nov 27 23:46:54.494 INFO [stderr]     |
Nov 27 23:46:54.494 INFO [stderr] 173 |     Box::new(|mut game| {
Nov 27 23:46:54.494 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.494 INFO [stderr]     |               |
Nov 27 23:46:54.494 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.494 INFO [stderr] 
Nov 27 23:46:54.494 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.494 INFO [stderr]    --> src/terminal.rs:176:13
Nov 27 23:46:54.494 INFO [stderr]     |
Nov 27 23:46:54.494 INFO [stderr] 176 |         let mut room = game.player_room_mut();
Nov 27 23:46:54.494 INFO [stderr]     |             ----^^^^
Nov 27 23:46:54.495 INFO [stderr]     |             |
Nov 27 23:46:54.495 INFO [stderr]     |             help: remove this `mut`
Nov 27 23:46:54.495 INFO [stderr] 
Nov 27 23:46:54.508 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.509 INFO [stderr]    --> src/terminal.rs:190:15
Nov 27 23:46:54.509 INFO [stderr]     |
Nov 27 23:46:54.509 INFO [stderr] 190 |     Box::new(|mut game| {
Nov 27 23:46:54.510 INFO [stderr]     |               ----^^^^
Nov 27 23:46:54.510 INFO [stderr]     |               |
Nov 27 23:46:54.510 INFO [stderr]     |               help: remove this `mut`
Nov 27 23:46:54.510 INFO [stderr] 
Nov 27 23:46:54.511 INFO [stderr] warning: variable does not need to be mutable
Nov 27 23:46:54.511 INFO [stderr]    --> src/terminal.rs:196:13
Nov 27 23:46:54.511 INFO [stderr]     |
Nov 27 23:46:54.512 INFO [stderr] 196 |         let mut room = game.player_room_mut();
Nov 27 23:46:54.512 INFO [stderr]     |             ----^^^^
Nov 27 23:46:54.512 INFO [stderr]     |             |
Nov 27 23:46:54.513 INFO [stderr]     |             help: remove this `mut`
Nov 27 23:46:54.513 INFO [stderr] 
Nov 27 23:46:54.530 INFO [stderr] warning: type alias is never used: `GameResult`
Nov 27 23:46:54.530 INFO [stderr]   --> src/gameerror.rs:25:1
Nov 27 23:46:54.531 INFO [stderr]    |
Nov 27 23:46:54.531 INFO [stderr] 25 | type GameResult<T> = result::Result<T, GameError>;
Nov 27 23:46:54.531 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:46:54.531 INFO [stderr]    |
Nov 27 23:46:54.531 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 23:46:54.531 INFO [stderr] 
Nov 27 23:46:54.531 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 27 23:46:54.531 INFO [stderr]  --> src/main.rs:1:12
Nov 27 23:46:54.531 INFO [stderr]   |
Nov 27 23:46:54.531 INFO [stderr] 1 | #![feature(proc_macro)]
Nov 27 23:46:54.531 INFO [stderr]   |            ^^^^^^^^^^
Nov 27 23:46:54.531 INFO [stderr]   |
Nov 27 23:46:54.531 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 23:46:54.531 INFO [stderr] 
Nov 27 23:46:54.531 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 27 23:46:54.531 INFO [stderr]  --> src/main.rs:2:12
Nov 27 23:46:54.532 INFO [stderr]   |
Nov 27 23:46:54.532 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Nov 27 23:46:54.532 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:46:54.532 INFO [stderr] 
Nov 27 23:46:54.609 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.24s
Nov 27 23:46:54.613 INFO [stderr] su: No module specific data is present
Nov 27 23:47:01.491 INFO running `"docker" "inspect" "6c4bb2106c2432731b72fbcd25216a1723661a0263186d051f107c68f8b4f365"`
Nov 27 23:47:01.837 INFO running `"docker" "rm" "-f" "6c4bb2106c2432731b72fbcd25216a1723661a0263186d051f107c68f8b4f365"`
Nov 27 23:47:02.096 INFO [stdout] 6c4bb2106c2432731b72fbcd25216a1723661a0263186d051f107c68f8b4f365