[INFO] cloning repository https://github.com/modulated/rogue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modulated/rogue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulated%2Frogue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulated%2Frogue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7e856e03ebc67ab5e751f01ea3694389a509774
[INFO] building modulated/rogue against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulated%2Frogue" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/modulated/rogue
[INFO] finished tweaking git repo https://github.com/modulated/rogue
[INFO] tweaked toml for git repo https://github.com/modulated/rogue written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/modulated/rogue on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/modulated/rogue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded wayland-sys v0.28.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded wayland-cursor v0.28.5
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded lock_api v0.4.3
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded wayland-client v0.28.5
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded wayland-protocols v0.28.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded wayland-commons v0.28.5
[INFO] [stderr]   Downloaded wayland-scanner v0.28.5
[INFO] [stderr]   Downloaded wayland-egl v0.28.5
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded syn v1.0.68
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded libc v0.2.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394496a263e7d3c96ee44a0e52d9597b81e154e0039fa80f31fc93e77c174844
[INFO] running `Command { std: "docker" "start" "-a" "394496a263e7d3c96ee44a0e52d9597b81e154e0039fa80f31fc93e77c174844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394496a263e7d3c96ee44a0e52d9597b81e154e0039fa80f31fc93e77c174844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394496a263e7d3c96ee44a0e52d9597b81e154e0039fa80f31fc93e77c174844", kill_on_drop: false }`
[INFO] [stdout] 394496a263e7d3c96ee44a0e52d9597b81e154e0039fa80f31fc93e77c174844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b262dc831e17032561ceda50ed8a98ba74e63c8a7157cb534047a19f92d9a39e
[INFO] running `Command { std: "docker" "start" "-a" "b262dc831e17032561ceda50ed8a98ba74e63c8a7157cb534047a19f92d9a39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling tynm v0.1.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling object-pool v0.5.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling ctrlc v3.1.8
[INFO] [stderr]    Compiling shred v0.10.2
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling wayland-cursor v0.28.5
[INFO] [stderr]    Compiling wayland-egl v0.28.5
[INFO] [stderr]    Compiling bracket-geometry v0.8.2
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling bracket-color v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling specs v0.16.1
[INFO] [stderr]    Compiling bracket-random v0.8.2
[INFO] [stderr]    Compiling bracket-noise v0.8.2
[INFO] [stderr]    Compiling bracket-algorithm-traits v0.8.2
[INFO] [stderr]    Compiling bracket-pathfinding v0.8.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling winit v0.24.0
[INFO] [stderr]    Compiling glutin v0.26.0
[INFO] [stderr]    Compiling bracket-terminal v0.8.2
[INFO] [stderr]    Compiling bracket-lib v0.8.1
[INFO] [stderr]    Compiling rltk v0.8.1
[INFO] [stderr]    Compiling rogue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/map_builders/edge_wall_builder.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 |             build_data.map.tiles[(width * y)] = TileType::Wall;
[INFO] [stdout]    |                                  ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             build_data.map.tiles[(width * y)] = TileType::Wall;
[INFO] [stdout] 28 +             build_data.map.tiles[width * y ] = TileType::Wall;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AreaStartingPosition`, `DistantExit`, and `random_start_position`
[INFO] [stdout]  --> src/map_builders/town.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     random_start_position, AreaStartingPosition, BuilderChain, BuilderMap, DistantExit,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^                            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/map_builders/town.rs:269:37
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn town_builder(new_depth: i32, rng: &mut Rng, width: i32, height: i32) -> BuilderChain {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/monster_ai_system.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                      ----^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/monster_ai_system.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/damage_system.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[INFO] [stdout]    |              ----^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/particle_system.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[INFO] [stdout]    |                      ----^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map_builders/maze.rs:86:42
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn new(width: i32, height: i32, rng: &mut Rng) -> Grid {
[INFO] [stdout]    |                                          ^^^^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn new(width: i32, height: i32, rng: &mut Rng) -> Grid<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b262dc831e17032561ceda50ed8a98ba74e63c8a7157cb534047a19f92d9a39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b262dc831e17032561ceda50ed8a98ba74e63c8a7157cb534047a19f92d9a39e", kill_on_drop: false }`
[INFO] [stdout] b262dc831e17032561ceda50ed8a98ba74e63c8a7157cb534047a19f92d9a39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0995c40681f346012972c0208e09cb1605f8bcf6c72ba6a9689116fa2f456d9
[INFO] running `Command { std: "docker" "start" "-a" "e0995c40681f346012972c0208e09cb1605f8bcf6c72ba6a9689116fa2f456d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rogue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/map_builders/edge_wall_builder.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 |             build_data.map.tiles[(width * y)] = TileType::Wall;
[INFO] [stdout]    |                                  ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             build_data.map.tiles[(width * y)] = TileType::Wall;
[INFO] [stdout] 28 +             build_data.map.tiles[width * y ] = TileType::Wall;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AreaStartingPosition`, `DistantExit`, and `random_start_position`
[INFO] [stdout]  --> src/map_builders/town.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     random_start_position, AreaStartingPosition, BuilderChain, BuilderMap, DistantExit,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^                            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/map_builders/town.rs:269:37
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn town_builder(new_depth: i32, rng: &mut Rng, width: i32, height: i32) -> BuilderChain {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/monster_ai_system.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                      ----^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/monster_ai_system.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stdout]    |                                              ----^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/damage_system.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[INFO] [stdout]    |              ----^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/particle_system.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |         for (entity, mut particle) in (&entities, &mut particles).join() {
[INFO] [stdout]    |                      ----^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map_builders/maze.rs:86:42
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn new(width: i32, height: i32, rng: &mut Rng) -> Grid {
[INFO] [stdout]    |                                          ^^^^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn new(width: i32, height: i32, rng: &mut Rng) -> Grid<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e0995c40681f346012972c0208e09cb1605f8bcf6c72ba6a9689116fa2f456d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0995c40681f346012972c0208e09cb1605f8bcf6c72ba6a9689116fa2f456d9", kill_on_drop: false }`
[INFO] [stdout] e0995c40681f346012972c0208e09cb1605f8bcf6c72ba6a9689116fa2f456d9
