[INFO] cloning repository https://github.com/caengen/rogue-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caengen/rogue-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaengen%2Frogue-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaengen%2Frogue-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 488f85e9c5ca213e9f40797bbd70be7bdb636ed2
[INFO] testing caengen/rogue-rs against 1.98.0-beta.6+cargoflags=--release for beta-1.98-release-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaengen%2Frogue-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/caengen/rogue-rs
[INFO] finished tweaking git repo https://github.com/caengen/rogue-rs
[INFO] tweaked toml for git repo https://github.com/caengen/rogue-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/caengen/rogue-rs on toolchain 1.98.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/caengen/rogue-rs 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" "+1.98.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rogue-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RGB`
[INFO] [stdout]  --> src/main.rs:1:59
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rltk::{GameState, Point, RandomNumberGenerator, Rltk, RGB};
[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 imports: `max` and `min`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TileType`
[INFO] [stdout]  --> src/player.rs:3:67
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{gamelog::GameLog, Item, Map, Player, Position, State, TileType, Viewshed, MAP_WIDTH};
[INFO] [stdout]   |                                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `console`
[INFO] [stdout]  --> src/player.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rltk::{console, Point, Rltk, VirtualKeyCode};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Name`
[INFO] [stdout]  --> src/monster_ai_system.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{Map, Monster, Name, Position, RunState, Viewshed, WantsToMelee};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `console`
[INFO] [stdout]  --> src/monster_ai_system.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rltk::{console, Point};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rltk::console`
[INFO] [stdout]  --> src/melee_combat_system.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rltk::console;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Console`
[INFO] [stdout]  --> src/gui.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rltk::{Console, Point, Rltk, VirtualKeyCode, RGB};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         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:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         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:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         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/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let mut context = RltkBuilder::simple80x50().with_title("rogue-rs").build()?;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/inventory_system.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | /             backpack.insert(
[INFO] [stdout] 28 | |                 pickup.item,
[INFO] [stdout] 29 | |                 InBackpack {
[INFO] [stdout] 30 | |                     owner: pickup.collected_by,
[INFO] [stdout] 31 | |                 },
[INFO] [stdout] 32 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = backpack.insert(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/inventory_system.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | /             positions.insert(
[INFO] [stdout] 78 | |                 to_drop.item,
[INFO] [stdout] 79 | |                 Position {
[INFO] [stdout] 80 | |                     x: dropper_pos.x,
[INFO] [stdout] 81 | |                     y: dropper_pos.y,
[INFO] [stdout] 82 | |                 },
[INFO] [stdout] 83 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = positions.insert(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3m 15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[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" "62385e06d3ae3a14311a1ba8c1ac2699727a18d802e70d5de7f4ffbbea084f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "62385e06d3ae3a14311a1ba8c1ac2699727a18d802e70d5de7f4ffbbea084f98" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rogue-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RGB`
[INFO] [stdout]  --> src/main.rs:1:59
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rltk::{GameState, Point, RandomNumberGenerator, Rltk, RGB};
[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 imports: `max` and `min`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TileType`
[INFO] [stdout]  --> src/player.rs:3:67
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{gamelog::GameLog, Item, Map, Player, Position, State, TileType, Viewshed, MAP_WIDTH};
[INFO] [stdout]   |                                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `console`
[INFO] [stdout]  --> src/player.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rltk::{console, Point, Rltk, VirtualKeyCode};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Name`
[INFO] [stdout]  --> src/monster_ai_system.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{Map, Monster, Name, Position, RunState, Viewshed, WantsToMelee};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `console`
[INFO] [stdout]  --> src/monster_ai_system.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rltk::{console, Point};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rltk::console`
[INFO] [stdout]  --> src/melee_combat_system.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rltk::console;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Console`
[INFO] [stdout]  --> src/gui.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rltk::{Console, Point, Rltk, VirtualKeyCode, RGB};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/monster_ai_system.rs:42:22
[INFO] [stdout]    |
[INFO] [stdout] 42 |         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:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |         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:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         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/main.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let mut context = RltkBuilder::simple80x50().with_title("rogue-rs").build()?;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/inventory_system.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | /             backpack.insert(
[INFO] [stdout] 28 | |                 pickup.item,
[INFO] [stdout] 29 | |                 InBackpack {
[INFO] [stdout] 30 | |                     owner: pickup.collected_by,
[INFO] [stdout] 31 | |                 },
[INFO] [stdout] 32 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = backpack.insert(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/inventory_system.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | /             positions.insert(
[INFO] [stdout] 78 | |                 to_drop.item,
[INFO] [stdout] 79 | |                 Position {
[INFO] [stdout] 80 | |                     x: dropper_pos.x,
[INFO] [stdout] 81 | |                     y: dropper_pos.y,
[INFO] [stdout] 82 | |                 },
[INFO] [stdout] 83 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let _ = positions.insert(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[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" "62385e06d3ae3a14311a1ba8c1ac2699727a18d802e70d5de7f4ffbbea084f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "62385e06d3ae3a14311a1ba8c1ac2699727a18d802e70d5de7f4ffbbea084f98" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `RGB`
[INFO] [stderr]  --> src/main.rs:1:59
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rltk::{GameState, Point, RandomNumberGenerator, Rltk, RGB};
[INFO] [stderr]   |                                                           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `max` and `min`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp::{max, min};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TileType`
[INFO] [stderr]  --> src/player.rs:3:67
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::{gamelog::GameLog, Item, Map, Player, Position, State, TileType, Viewshed, MAP_WIDTH};
[INFO] [stderr]   |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `console`
[INFO] [stderr]  --> src/player.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rltk::{console, Point, Rltk, VirtualKeyCode};
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Name`
[INFO] [stderr]  --> src/monster_ai_system.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::{Map, Monster, Name, Position, RunState, Viewshed, WantsToMelee};
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `console`
[INFO] [stderr]  --> src/monster_ai_system.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rltk::{console, Point};
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rltk::console`
[INFO] [stderr]  --> src/melee_combat_system.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rltk::console;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Console`
[INFO] [stderr]  --> src/gui.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rltk::{Console, Point, Rltk, VirtualKeyCode, RGB};
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/monster_ai_system.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stderr]    |                      ----^^^^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/monster_ai_system.rs:42:46
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (entity, mut viewshed, _monster, mut pos) in
[INFO] [stderr]    |                                              ----^^^
[INFO] [stderr]    |                                              |
[INFO] [stderr]    |                                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/damage_system.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for (mut stats, damage) in (&mut stats, &damage).join() {
[INFO] [stderr]    |              ----^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |     let mut context = RltkBuilder::simple80x50().with_title("rogue-rs").build()?;
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/inventory_system.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 | /             backpack.insert(
[INFO] [stderr] 28 | |                 pickup.item,
[INFO] [stderr] 29 | |                 InBackpack {
[INFO] [stderr] 30 | |                     owner: pickup.collected_by,
[INFO] [stderr] 31 | |                 },
[INFO] [stderr] 32 | |             );
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 27 |             let _ = backpack.insert(
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/inventory_system.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 | /             positions.insert(
[INFO] [stderr] 78 | |                 to_drop.item,
[INFO] [stderr] 79 | |                 Position {
[INFO] [stderr] 80 | |                     x: dropper_pos.x,
[INFO] [stderr] 81 | |                     y: dropper_pos.y,
[INFO] [stderr] 82 | |                 },
[INFO] [stderr] 83 | |             );
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let _ = positions.insert(
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rogue-rs` (bin "rogue-rs" test) generated 14 warnings (run `cargo fix --bin "rogue-rs" -p rogue-rs --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/rogue_rs-e5a22f1e05626c01)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62385e06d3ae3a14311a1ba8c1ac2699727a18d802e70d5de7f4ffbbea084f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62385e06d3ae3a14311a1ba8c1ac2699727a18d802e70d5de7f4ffbbea084f98", kill_on_drop: false }`
[INFO] [stdout] 62385e06d3ae3a14311a1ba8c1ac2699727a18d802e70d5de7f4ffbbea084f98
