Oct 12 16:38:34.799 INFO checking neosam/textgame against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 16:38:34.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 16:38:34.995 INFO blam! 563b2909bdc2bad1c8230168bcdc1383aad38674bc4b2008956faf1debfeb74a
Oct 12 16:38:34.998 INFO running `"docker" "start" "-a" "563b2909bdc2bad1c8230168bcdc1383aad38674bc4b2008956faf1debfeb74a"`
Oct 12 16:38:35.776 INFO kablam! usermod: no changes
Oct 12 16:38:35.916 INFO kablam!     Checking serde v0.8.19
Oct 12 16:38:35.932 INFO kablam!    Compiling serde_codegen_internals v0.11.1
Oct 12 16:38:37.920 INFO kablam!    Compiling serde_codegen v0.8.19
Oct 12 16:38:42.476 INFO kablam!    Compiling serde_derive v0.8.19
Oct 12 16:38:44.304 INFO kablam!     Checking serde_json v0.8.4
Oct 12 16:38:46.524 INFO kablam!     Checking textgametest v0.1.0 (/source)
Oct 12 16:38:47.184 INFO kablam! warning: unnecessary parentheses around function argument
Oct 12 16:38:47.184 INFO kablam!   --> src/terminal.rs:59:23
Oct 12 16:38:47.184 INFO kablam!    |
Oct 12 16:38:47.184 INFO kablam! 59 |             return Ok((false))
Oct 12 16:38:47.184 INFO kablam!    |                       ^^^^^^^ help: remove these parentheses
Oct 12 16:38:47.184 INFO kablam!    |
Oct 12 16:38:47.184 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 16:38:47.184 INFO kablam! 
Oct 12 16:38:47.284 INFO kablam! warning: unnecessary parentheses around function argument
Oct 12 16:38:47.284 INFO kablam!   --> src/terminal.rs:59:23
Oct 12 16:38:47.284 INFO kablam!    |
Oct 12 16:38:47.284 INFO kablam! 59 |             return Ok((false))
Oct 12 16:38:47.284 INFO kablam!    |                       ^^^^^^^ help: remove these parentheses
Oct 12 16:38:47.284 INFO kablam!    |
Oct 12 16:38:47.284 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 16:38:47.284 INFO kablam! 
Oct 12 16:38:48.106 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.106 INFO kablam!   --> src/main.rs:30:13
Oct 12 16:38:48.106 INFO kablam!    |
Oct 12 16:38:48.106 INFO kablam! 30 |         let mut game_room = game.room_mut(room_ref);
Oct 12 16:38:48.106 INFO kablam!    |             ----^^^^^^^^^
Oct 12 16:38:48.106 INFO kablam!    |             |
Oct 12 16:38:48.106 INFO kablam!    |             help: remove this `mut`
Oct 12 16:38:48.112 INFO kablam!    |
Oct 12 16:38:48.113 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 16:38:48.113 INFO kablam! 
Oct 12 16:38:48.327 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.328 INFO kablam!   --> src/main.rs:30:13
Oct 12 16:38:48.328 INFO kablam!    |
Oct 12 16:38:48.328 INFO kablam! 30 |         let mut game_room = game.room_mut(room_ref);
Oct 12 16:38:48.328 INFO kablam!    |             ----^^^^^^^^^
Oct 12 16:38:48.328 INFO kablam!    |             |
Oct 12 16:38:48.328 INFO kablam!    |             help: remove this `mut`
Oct 12 16:38:48.328 INFO kablam!    |
Oct 12 16:38:48.328 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 16:38:48.328 INFO kablam! 
Oct 12 16:38:48.396 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.396 INFO kablam!   --> src/game.rs:54:13
Oct 12 16:38:48.396 INFO kablam!    |
Oct 12 16:38:48.396 INFO kablam! 54 |         let mut to_room = self.room_mut(to_room_key);
Oct 12 16:38:48.397 INFO kablam!    |             ----^^^^^^^
Oct 12 16:38:48.397 INFO kablam!    |             |
Oct 12 16:38:48.397 INFO kablam!    |             help: remove this `mut`
Oct 12 16:38:48.397 INFO kablam! 
Oct 12 16:38:48.417 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.418 INFO kablam!    --> src/terminal.rs:114:15
Oct 12 16:38:48.418 INFO kablam!     |
Oct 12 16:38:48.418 INFO kablam! 114 |     Box::new(|mut game| {
Oct 12 16:38:48.419 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.419 INFO kablam!     |               |
Oct 12 16:38:48.419 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.419 INFO kablam! 
Oct 12 16:38:48.422 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.422 INFO kablam!    --> src/terminal.rs:126:15
Oct 12 16:38:48.422 INFO kablam!     |
Oct 12 16:38:48.422 INFO kablam! 126 |     Box::new(|mut game| {
Oct 12 16:38:48.422 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.422 INFO kablam!     |               |
Oct 12 16:38:48.422 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.422 INFO kablam! 
Oct 12 16:38:48.424 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.424 INFO kablam!    --> src/terminal.rs:134:15
Oct 12 16:38:48.424 INFO kablam!     |
Oct 12 16:38:48.424 INFO kablam! 134 |     Box::new(|mut game| {
Oct 12 16:38:48.424 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.424 INFO kablam!     |               |
Oct 12 16:38:48.424 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.424 INFO kablam! 
Oct 12 16:38:48.429 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.429 INFO kablam!    --> src/terminal.rs:150:15
Oct 12 16:38:48.429 INFO kablam!     |
Oct 12 16:38:48.430 INFO kablam! 150 |     Box::new(|mut game| {
Oct 12 16:38:48.430 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.430 INFO kablam!     |               |
Oct 12 16:38:48.430 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.430 INFO kablam! 
Oct 12 16:38:48.432 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.432 INFO kablam!    --> src/terminal.rs:161:15
Oct 12 16:38:48.432 INFO kablam!     |
Oct 12 16:38:48.432 INFO kablam! 161 |     Box::new(|mut game| {
Oct 12 16:38:48.432 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.432 INFO kablam!     |               |
Oct 12 16:38:48.432 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.432 INFO kablam! 
Oct 12 16:38:48.434 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.434 INFO kablam!    --> src/terminal.rs:173:15
Oct 12 16:38:48.434 INFO kablam!     |
Oct 12 16:38:48.434 INFO kablam! 173 |     Box::new(|mut game| {
Oct 12 16:38:48.435 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.435 INFO kablam!     |               |
Oct 12 16:38:48.435 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.435 INFO kablam! 
Oct 12 16:38:48.435 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.435 INFO kablam!    --> src/terminal.rs:176:13
Oct 12 16:38:48.435 INFO kablam!     |
Oct 12 16:38:48.435 INFO kablam! 176 |         let mut room = game.player_room_mut();
Oct 12 16:38:48.435 INFO kablam!     |             ----^^^^
Oct 12 16:38:48.435 INFO kablam!     |             |
Oct 12 16:38:48.435 INFO kablam!     |             help: remove this `mut`
Oct 12 16:38:48.435 INFO kablam! 
Oct 12 16:38:48.437 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.437 INFO kablam!    --> src/terminal.rs:190:15
Oct 12 16:38:48.437 INFO kablam!     |
Oct 12 16:38:48.437 INFO kablam! 190 |     Box::new(|mut game| {
Oct 12 16:38:48.437 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.437 INFO kablam!     |               |
Oct 12 16:38:48.437 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.438 INFO kablam! 
Oct 12 16:38:48.438 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.438 INFO kablam!    --> src/terminal.rs:196:13
Oct 12 16:38:48.438 INFO kablam!     |
Oct 12 16:38:48.438 INFO kablam! 196 |         let mut room = game.player_room_mut();
Oct 12 16:38:48.438 INFO kablam!     |             ----^^^^
Oct 12 16:38:48.438 INFO kablam!     |             |
Oct 12 16:38:48.438 INFO kablam!     |             help: remove this `mut`
Oct 12 16:38:48.438 INFO kablam! 
Oct 12 16:38:48.454 INFO kablam! warning: type alias is never used: `GameResult`
Oct 12 16:38:48.455 INFO kablam!   --> src/gameerror.rs:25:1
Oct 12 16:38:48.455 INFO kablam!    |
Oct 12 16:38:48.455 INFO kablam! 25 | type GameResult<T> = result::Result<T, GameError>;
Oct 12 16:38:48.455 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:38:48.455 INFO kablam!    |
Oct 12 16:38:48.455 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 16:38:48.455 INFO kablam! 
Oct 12 16:38:48.456 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 12 16:38:48.456 INFO kablam!  --> src/main.rs:1:12
Oct 12 16:38:48.456 INFO kablam!   |
Oct 12 16:38:48.456 INFO kablam! 1 | #![feature(proc_macro)]
Oct 12 16:38:48.456 INFO kablam!   |            ^^^^^^^^^^
Oct 12 16:38:48.456 INFO kablam!   |
Oct 12 16:38:48.456 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 16:38:48.456 INFO kablam! 
Oct 12 16:38:48.456 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 16:38:48.457 INFO kablam!  --> src/main.rs:2:12
Oct 12 16:38:48.457 INFO kablam!   |
Oct 12 16:38:48.457 INFO kablam! 2 | #![feature(conservative_impl_trait)]
Oct 12 16:38:48.457 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:38:48.457 INFO kablam! 
Oct 12 16:38:48.618 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.619 INFO kablam!   --> src/game.rs:54:13
Oct 12 16:38:48.619 INFO kablam!    |
Oct 12 16:38:48.619 INFO kablam! 54 |         let mut to_room = self.room_mut(to_room_key);
Oct 12 16:38:48.620 INFO kablam!    |             ----^^^^^^^
Oct 12 16:38:48.620 INFO kablam!    |             |
Oct 12 16:38:48.620 INFO kablam!    |             help: remove this `mut`
Oct 12 16:38:48.620 INFO kablam! 
Oct 12 16:38:48.649 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.650 INFO kablam!    --> src/terminal.rs:114:15
Oct 12 16:38:48.650 INFO kablam!     |
Oct 12 16:38:48.651 INFO kablam! 114 |     Box::new(|mut game| {
Oct 12 16:38:48.651 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.651 INFO kablam!     |               |
Oct 12 16:38:48.652 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.652 INFO kablam! 
Oct 12 16:38:48.652 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.652 INFO kablam!    --> src/terminal.rs:126:15
Oct 12 16:38:48.653 INFO kablam!     |
Oct 12 16:38:48.653 INFO kablam! 126 |     Box::new(|mut game| {
Oct 12 16:38:48.653 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.654 INFO kablam!     |               |
Oct 12 16:38:48.654 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.654 INFO kablam! 
Oct 12 16:38:48.654 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.654 INFO kablam!    --> src/terminal.rs:134:15
Oct 12 16:38:48.654 INFO kablam!     |
Oct 12 16:38:48.654 INFO kablam! 134 |     Box::new(|mut game| {
Oct 12 16:38:48.654 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.654 INFO kablam!     |               |
Oct 12 16:38:48.654 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.654 INFO kablam! 
Oct 12 16:38:48.654 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.654 INFO kablam!    --> src/terminal.rs:150:15
Oct 12 16:38:48.654 INFO kablam!     |
Oct 12 16:38:48.654 INFO kablam! 150 |     Box::new(|mut game| {
Oct 12 16:38:48.654 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.654 INFO kablam!     |               |
Oct 12 16:38:48.654 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.655 INFO kablam! 
Oct 12 16:38:48.656 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.656 INFO kablam!    --> src/terminal.rs:161:15
Oct 12 16:38:48.656 INFO kablam!     |
Oct 12 16:38:48.656 INFO kablam! 161 |     Box::new(|mut game| {
Oct 12 16:38:48.656 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.656 INFO kablam!     |               |
Oct 12 16:38:48.656 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.656 INFO kablam! 
Oct 12 16:38:48.659 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.659 INFO kablam!    --> src/terminal.rs:173:15
Oct 12 16:38:48.660 INFO kablam!     |
Oct 12 16:38:48.660 INFO kablam! 173 |     Box::new(|mut game| {
Oct 12 16:38:48.660 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.660 INFO kablam!     |               |
Oct 12 16:38:48.660 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.660 INFO kablam! 
Oct 12 16:38:48.660 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.660 INFO kablam!    --> src/terminal.rs:176:13
Oct 12 16:38:48.660 INFO kablam!     |
Oct 12 16:38:48.660 INFO kablam! 176 |         let mut room = game.player_room_mut();
Oct 12 16:38:48.660 INFO kablam!     |             ----^^^^
Oct 12 16:38:48.660 INFO kablam!     |             |
Oct 12 16:38:48.660 INFO kablam!     |             help: remove this `mut`
Oct 12 16:38:48.660 INFO kablam! 
Oct 12 16:38:48.662 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.662 INFO kablam!    --> src/terminal.rs:190:15
Oct 12 16:38:48.662 INFO kablam!     |
Oct 12 16:38:48.662 INFO kablam! 190 |     Box::new(|mut game| {
Oct 12 16:38:48.662 INFO kablam!     |               ----^^^^
Oct 12 16:38:48.662 INFO kablam!     |               |
Oct 12 16:38:48.663 INFO kablam!     |               help: remove this `mut`
Oct 12 16:38:48.663 INFO kablam! 
Oct 12 16:38:48.663 INFO kablam! warning: variable does not need to be mutable
Oct 12 16:38:48.663 INFO kablam!    --> src/terminal.rs:196:13
Oct 12 16:38:48.663 INFO kablam!     |
Oct 12 16:38:48.663 INFO kablam! 196 |         let mut room = game.player_room_mut();
Oct 12 16:38:48.663 INFO kablam!     |             ----^^^^
Oct 12 16:38:48.663 INFO kablam!     |             |
Oct 12 16:38:48.663 INFO kablam!     |             help: remove this `mut`
Oct 12 16:38:48.663 INFO kablam! 
Oct 12 16:38:48.674 INFO kablam! warning: type alias is never used: `GameResult`
Oct 12 16:38:48.674 INFO kablam!   --> src/gameerror.rs:25:1
Oct 12 16:38:48.674 INFO kablam!    |
Oct 12 16:38:48.674 INFO kablam! 25 | type GameResult<T> = result::Result<T, GameError>;
Oct 12 16:38:48.674 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:38:48.674 INFO kablam!    |
Oct 12 16:38:48.675 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 16:38:48.675 INFO kablam! 
Oct 12 16:38:48.675 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 12 16:38:48.675 INFO kablam!  --> src/main.rs:1:12
Oct 12 16:38:48.675 INFO kablam!   |
Oct 12 16:38:48.675 INFO kablam! 1 | #![feature(proc_macro)]
Oct 12 16:38:48.675 INFO kablam!   |            ^^^^^^^^^^
Oct 12 16:38:48.676 INFO kablam!   |
Oct 12 16:38:48.676 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 16:38:48.676 INFO kablam! 
Oct 12 16:38:48.676 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 16:38:48.676 INFO kablam!  --> src/main.rs:2:12
Oct 12 16:38:48.676 INFO kablam!   |
Oct 12 16:38:48.676 INFO kablam! 2 | #![feature(conservative_impl_trait)]
Oct 12 16:38:48.676 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:38:48.676 INFO kablam! 
Oct 12 16:38:48.767 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.96s
Oct 12 16:38:48.770 INFO kablam! su: No module specific data is present
Oct 12 16:38:50.182 INFO running `"docker" "rm" "-f" "563b2909bdc2bad1c8230168bcdc1383aad38674bc4b2008956faf1debfeb74a"`
Oct 12 16:38:50.556 INFO blam! 563b2909bdc2bad1c8230168bcdc1383aad38674bc4b2008956faf1debfeb74a