[INFO] updating cached repository https://github.com/joshhansen/Umpire
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/joshhansen/Umpire
[INFO] [stderr]  * [new branch]      master_crossterm -> master_crossterm
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99f6e97eefa5a4ebaee2d84e68de5acb484223b3
[INFO] checking joshhansen/Umpire against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshhansen%2FUmpire" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshhansen/Umpire on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/joshhansen/Umpire
[INFO] finished tweaking git repo https://github.com/joshhansen/Umpire
[INFO] tweaked toml for git repo https://github.com/joshhansen/Umpire written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/joshhansen/Umpire already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 57e221d05315efa0418644b82889ccc7ec3dc8f27f2a1a0ecb1817e63346fbb3
[INFO] running `"docker" "start" "-a" "57e221d05315efa0418644b82889ccc7ec3dc8f27f2a1a0ecb1817e63346fbb3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking sample v0.6.2
[INFO] [stderr]     Checking panning v0.1.1
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking time_calc v0.11.1
[INFO] [stderr]     Checking mindtree_utils v0.4.0
[INFO] [stderr]     Checking pitch_calc v0.11.1
[INFO] [stderr]     Checking envelope v0.8.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking simple_gaussian v0.4.5
[INFO] [stderr]     Checking instrument v0.1.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking output_vt100 v0.1.2
[INFO] [stderr]     Checking termion v1.5.1 (https://gitlab.redox-os.org/Jezza/termion.git?branch=windows-support#9319ceff)
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking dsp-chain v0.13.1
[INFO] [stderr]     Checking synth v0.11.0
[INFO] [stderr]    Compiling pastel v0.5.3 (https://github.com/rivy/rust.pastel.git?branch=rf.distinct#aa929c44)
[INFO] [stderr]     Checking umpire v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Range`
[INFO] [stderr]  --> src/game/map/grid.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{Index,IndexMut,Range};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OutputBuffer`
[INFO] [stderr]  --> src/ui/audio.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     OutputBuffer,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stdin`
[INFO] [stderr]  --> src/ui/mode.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Write, stdin};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `termion::input::TermRead`
[INFO] [stderr]  --> src/ui/mode.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use termion::input::TermRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Range`
[INFO] [stderr]  --> src/game/map/grid.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{Index,IndexMut,Range};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OutputBuffer`
[INFO] [stderr]  --> src/ui/audio.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     OutputBuffer,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stdin`
[INFO] [stderr]  --> src/ui/mode.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Write, stdin};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `termion::input::TermRead`
[INFO] [stderr]  --> src/ui/mode.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use termion::input::TermRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'game::map::dijkstra::old_shortest_paths'
[INFO] [stderr]    --> src/game/map/dijkstra.rs:433:21
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     old_shortest_paths,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'game::map::dijkstra::old_shortest_paths'
[INFO] [stderr]    --> src/game/map/dijkstra.rs:616:32
[INFO] [stderr]     |
[INFO] [stderr] 616 |         let shortest_neither = old_shortest_paths(&map, loc, &infantry, WRAP_NEITHER);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'game::map::dijkstra::old_shortest_paths'
[INFO] [stderr]    --> src/game/map/dijkstra.rs:631:30
[INFO] [stderr]     |
[INFO] [stderr] 631 |         let shortest_horiz = old_shortest_paths(&map, loc, &infantry, WRAP_HORIZ);
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'game::map::dijkstra::old_shortest_paths'
[INFO] [stderr]    --> src/game/map/dijkstra.rs:645:29
[INFO] [stderr]     |
[INFO] [stderr] 645 |         let shortest_vert = old_shortest_paths(&map, loc, &infantry, WRAP_VERT);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'game::map::dijkstra::old_shortest_paths'
[INFO] [stderr]    --> src/game/map/dijkstra.rs:658:29
[INFO] [stderr]     |
[INFO] [stderr] 658 |         let shortest_both = old_shortest_paths(&map, loc, &infantry, WRAP_BOTH);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/ui/audio.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     unreachable!();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/ui/mode.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         true
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:192:44
[INFO] [stderr]     |
[INFO] [stderr] 192 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                            ^^^^^^^ help: try ignoring the field: `current: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `turn`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:192:38
[INFO] [stderr]     |
[INFO] [stderr] 192 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                      ^^^^ help: try ignoring the field: `turn: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:215:44
[INFO] [stderr]     |
[INFO] [stderr] 215 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                            ^^^^^^^ help: try ignoring the field: `current: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `turn`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:215:38
[INFO] [stderr]     |
[INFO] [stderr] 215 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                      ^^^^ help: try ignoring the field: `turn: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loc`
[INFO] [stderr]   --> src/game/map/gen.rs:59:47
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let mut map = MapData::new(map_dims, |loc| Terrain::Water);
[INFO] [stderr]    |                                               ^^^ help: consider prefixing with an underscore: `_loc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_thread_handle`
[INFO] [stderr]   --> src/ui/mod.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let input_thread_handle = thread::Builder::new().name("input".to_string()).spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_input_thread_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `audio_thread_handle`
[INFO] [stderr]    --> src/ui/mod.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         if let Some(audio_thread_handle) = audio_thread_handle {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_audio_thread_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `palette`
[INFO] [stderr]   --> src/ui/indicators.rs:25:80
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn draw<C:Color+Copy>(&mut self, game: &Game, stdout: &mut Box<dyn Write>, palette: &Palette<C>) {
[INFO] [stderr]    |                                                                                ^^^^^^^ help: consider prefixing with an underscore: `_palette`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `palette`
[INFO] [stderr]   --> src/ui/indicators.rs:55:80
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn draw<C:Color+Copy>(&mut self, game: &Game, stdout: &mut Box<dyn Write>, palette: &Palette<C>) {
[INFO] [stderr]    |                                                                                ^^^^^^^ help: consider prefixing with an underscore: `_palette`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `turn`
[INFO] [stderr]    --> src/ui/map.rs:220:36
[INFO] [stderr]     |
[INFO] [stderr] 220 |         if let Obs::Observed{tile, turn, current} = game.current_player_obs(tile_loc) {
[INFO] [stderr]     |                                    ^^^^ help: try ignoring the field: `turn: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `palette`
[INFO] [stderr]    --> src/ui/map.rs:295:81
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn draw<C2:Color+Copy>(&mut self, game: &Game, stdout: &mut Box<dyn Write>, palette: &Palette<C2>) {
[INFO] [stderr]     |                                                                                 ^^^^^^^ help: consider prefixing with an underscore: `_palette`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ui`
[INFO] [stderr]    --> src/ui/mode.rs:200:50
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn run<C:Color+Copy>(&self, game: &mut Game, ui: &mut TermUI<C>, mode: &mut Mode, _prev_mode: &Option<Mode>) -> bool {
[INFO] [stderr]     |                                                  ^^ help: consider prefixing with an underscore: `_ui`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unicode`
[INFO] [stderr]   --> src/ui/sym.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get(&self, unicode: bool) -> &'static str {
[INFO] [stderr]    |                       ^^^^^^^ help: consider prefixing with an underscore: `_unicode`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game/unit/orders.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut unit = game.mut_unit_by_id(unit_id).expect("Somehow the unit disappeared during exploration").clone();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/ui/audio.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     unreachable!();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/ui/mode.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         true
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn new(filter1: F1, filter2: F2) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `give_orders`
[INFO] [stderr]    --> src/game/mod.rs:768:5
[INFO] [stderr]     |
[INFO] [stderr] 768 |     fn give_orders(&mut self, unit_id: UnitID, orders: Option<Orders>, carry_out_now: bool) -> OrdersResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_get_key`
[INFO] [stderr]    --> src/ui/mod.rs:498:5
[INFO] [stderr]     |
[INFO] [stderr] 498 |     fn try_get_key(&self) -> Option<Key> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:192:44
[INFO] [stderr]     |
[INFO] [stderr] 192 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                            ^^^^^^^ help: try ignoring the field: `current: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `turn`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:192:38
[INFO] [stderr]     |
[INFO] [stderr] 192 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                      ^^^^ help: try ignoring the field: `turn: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:215:44
[INFO] [stderr]     |
[INFO] [stderr] 215 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                            ^^^^^^^ help: try ignoring the field: `current: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `turn`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:215:38
[INFO] [stderr]     |
[INFO] [stderr] 215 |         if let Obs::Observed { tile, turn, current } = obs {
[INFO] [stderr]     |                                      ^^^^ help: try ignoring the field: `turn: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:707:13
[INFO] [stderr]     |
[INFO] [stderr] 707 |         let map: LocationGrid<Obs> = LocationGrid::try_from(
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loc`
[INFO] [stderr]   --> src/game/map/gen.rs:59:47
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let mut map = MapData::new(map_dims, |loc| Terrain::Water);
[INFO] [stderr]    |                                               ^^^ help: consider prefixing with an underscore: `_loc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]    --> src/game/map/grid.rs:364:13
[INFO] [stderr]     |
[INFO] [stderr] 364 |         let map: LocationGrid<Obs> = LocationGrid::try_from(
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loc`
[INFO] [stderr]    --> src/game/mod.rs:848:43
[INFO] [stderr]     |
[INFO] [stderr] 848 |         let mut map = MapData::new(dims, |loc| Terrain::Land);
[INFO] [stderr]     |                                           ^^^ help: consider prefixing with an underscore: `_loc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_thread_handle`
[INFO] [stderr]   --> src/ui/mod.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let input_thread_handle = thread::Builder::new().name("input".to_string()).spawn(move || {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_input_thread_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `audio_thread_handle`
[INFO] [stderr]    --> src/ui/mod.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         if let Some(audio_thread_handle) = audio_thread_handle {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_audio_thread_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `palette`
[INFO] [stderr]   --> src/ui/indicators.rs:25:80
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn draw<C:Color+Copy>(&mut self, game: &Game, stdout: &mut Box<dyn Write>, palette: &Palette<C>) {
[INFO] [stderr]    |                                                                                ^^^^^^^ help: consider prefixing with an underscore: `_palette`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `palette`
[INFO] [stderr]   --> src/ui/indicators.rs:55:80
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn draw<C:Color+Copy>(&mut self, game: &Game, stdout: &mut Box<dyn Write>, palette: &Palette<C>) {
[INFO] [stderr]    |                                                                                ^^^^^^^ help: consider prefixing with an underscore: `_palette`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `turn`
[INFO] [stderr]    --> src/ui/map.rs:220:36
[INFO] [stderr]     |
[INFO] [stderr] 220 |         if let Obs::Observed{tile, turn, current} = game.current_player_obs(tile_loc) {
[INFO] [stderr]     |                                    ^^^^ help: try ignoring the field: `turn: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `palette`
[INFO] [stderr]    --> src/ui/map.rs:295:81
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn draw<C2:Color+Copy>(&mut self, game: &Game, stdout: &mut Box<dyn Write>, palette: &Palette<C2>) {
[INFO] [stderr]     |                                                                                 ^^^^^^^ help: consider prefixing with an underscore: `_palette`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ui`
[INFO] [stderr]    --> src/ui/mode.rs:200:50
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn run<C:Color+Copy>(&self, game: &mut Game, ui: &mut TermUI<C>, mode: &mut Mode, _prev_mode: &Option<Mode>) -> bool {
[INFO] [stderr]     |                                                  ^^ help: consider prefixing with an underscore: `_ui`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unicode`
[INFO] [stderr]   --> src/ui/sym.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get(&self, unicode: bool) -> &'static str {
[INFO] [stderr]    |                       ^^^^^^^ help: consider prefixing with an underscore: `_unicode`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game/unit/orders.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut unit = game.mut_unit_by_id(unit_id).expect("Somehow the unit disappeared during exploration").clone();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/game/map/dijkstra.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn new(filter1: F1, filter2: F2) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `give_orders`
[INFO] [stderr]    --> src/game/mod.rs:768:5
[INFO] [stderr]     |
[INFO] [stderr] 768 |     fn give_orders(&mut self, unit_id: UnitID, orders: Option<Orders>, carry_out_now: bool) -> OrdersResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_get_key`
[INFO] [stderr]    --> src/ui/mod.rs:498:5
[INFO] [stderr]     |
[INFO] [stderr] 498 |     fn try_get_key(&self) -> Option<Key> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "57e221d05315efa0418644b82889ccc7ec3dc8f27f2a1a0ecb1817e63346fbb3"`
[INFO] running `"docker" "rm" "-f" "57e221d05315efa0418644b82889ccc7ec3dc8f27f2a1a0ecb1817e63346fbb3"`
[INFO] [stdout] 57e221d05315efa0418644b82889ccc7ec3dc8f27f2a1a0ecb1817e63346fbb3