[INFO] cloning repository https://github.com/lukeharwood11/rusty_wumpus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeharwood11/rusty_wumpus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeharwood11%2Frusty_wumpus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeharwood11%2Frusty_wumpus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 173c2e6ec3394da2259de72e9346fece9b10dd5c
[INFO] testing lukeharwood11/rusty_wumpus against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukeharwood11%2Frusty_wumpus" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukeharwood11/rusty_wumpus
[INFO] finished tweaking git repo https://github.com/lukeharwood11/rusty_wumpus
[INFO] tweaked toml for git repo https://github.com/lukeharwood11/rusty_wumpus written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukeharwood11/rusty_wumpus on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukeharwood11/rusty_wumpus 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45b30b2cdcff93dcc98c570069af164fe0d68515c318d6ef9af91dcb8d780013
[INFO] running `Command { std: "docker" "start" "-a" "45b30b2cdcff93dcc98c570069af164fe0d68515c318d6ef9af91dcb8d780013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b30b2cdcff93dcc98c570069af164fe0d68515c318d6ef9af91dcb8d780013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b30b2cdcff93dcc98c570069af164fe0d68515c318d6ef9af91dcb8d780013", kill_on_drop: false }`
[INFO] [stdout] 45b30b2cdcff93dcc98c570069af164fe0d68515c318d6ef9af91dcb8d780013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c712824d711d0b7dcbf13119c13f02cd6ed85a69b2561e72d31707299a81f9
[INFO] running `Command { std: "docker" "start" "-a" "99c712824d711d0b7dcbf13119c13f02cd6ed85a69b2561e72d31707299a81f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty-wumpus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/game.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         /// first print the board
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |         break;
[INFO] [stdout]    |         ----- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/util.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |         string.parse::<T>().map_err(|err| ReadError::TypeError)
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]   --> src/util.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let b1 = std::io::stdin().read_line(&mut line).unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = initialize_board(10, 10);
[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/game.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = initialize_board(10, 10);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> src/game.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReadError` is never used
[INFO] [stdout]   --> src/util.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ReadError {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_buffer_as` is never used
[INFO] [stdout]   --> src/util.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn read_buffer_as<T: FromStr>(buff: &mut Vec<&str>) -> Result<T, ReadError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Complete` is never constructed
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum GameState {
[INFO] [stdout]   |      --------- variant in this enum
[INFO] [stdout] 6 |     InProgress,
[INFO] [stdout] 7 |     Complete(bool) // boolean states whether or not the user won
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `backpack` and `money` are never read
[INFO] [stdout]  --> src/game/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     backpack: Vec<Item>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     pub location: Point,
[INFO] [stdout] 7 |     money: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_wumpus::util`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rusty_wumpus::util;
[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: `args`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Vec<_> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "99c712824d711d0b7dcbf13119c13f02cd6ed85a69b2561e72d31707299a81f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c712824d711d0b7dcbf13119c13f02cd6ed85a69b2561e72d31707299a81f9", kill_on_drop: false }`
[INFO] [stdout] 99c712824d711d0b7dcbf13119c13f02cd6ed85a69b2561e72d31707299a81f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1ab06698177637bf9b3d790b12a7bc2274b6218386e50d61acb9dbbda3c2949
[INFO] running `Command { std: "docker" "start" "-a" "a1ab06698177637bf9b3d790b12a7bc2274b6218386e50d61acb9dbbda3c2949", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/game.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         /// first print the board
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |         break;
[INFO] [stdout]    |         ----- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/util.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |         string.parse::<T>().map_err(|err| ReadError::TypeError)
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]   --> src/util.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let b1 = std::io::stdin().read_line(&mut line).unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = initialize_board(10, 10);
[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/game.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = initialize_board(10, 10);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> src/game.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReadError` is never used
[INFO] [stdout]   --> src/util.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ReadError {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_buffer_as` is never used
[INFO] [stdout]   --> src/util.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn read_buffer_as<T: FromStr>(buff: &mut Vec<&str>) -> Result<T, ReadError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Complete` is never constructed
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum GameState {
[INFO] [stdout]   |      --------- variant in this enum
[INFO] [stdout] 6 |     InProgress,
[INFO] [stdout] 7 |     Complete(bool) // boolean states whether or not the user won
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusty-wumpus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `backpack` and `money` are never read
[INFO] [stdout]  --> src/game/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     backpack: Vec<Item>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     pub location: Point,
[INFO] [stdout] 7 |     money: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_wumpus::util`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rusty_wumpus::util;
[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: `args`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Vec<_> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/game.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         /// first print the board
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |         break;
[INFO] [stdout]    |         ----- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/util.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |         string.parse::<T>().map_err(|err| ReadError::TypeError)
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]   --> src/util.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let b1 = std::io::stdin().read_line(&mut line).unwrap();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = initialize_board(10, 10);
[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/game.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut board = initialize_board(10, 10);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> src/game.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReadError` is never used
[INFO] [stdout]   --> src/util.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ReadError {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_buffer_as` is never used
[INFO] [stdout]   --> src/util.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn read_buffer_as<T: FromStr>(buff: &mut Vec<&str>) -> Result<T, ReadError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Complete` is never constructed
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum GameState {
[INFO] [stdout]   |      --------- variant in this enum
[INFO] [stdout] 6 |     InProgress,
[INFO] [stdout] 7 |     Complete(bool) // boolean states whether or not the user won
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `backpack` and `money` are never read
[INFO] [stdout]  --> src/game/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     backpack: Vec<Item>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     pub location: Point,
[INFO] [stdout] 7 |     money: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a1ab06698177637bf9b3d790b12a7bc2274b6218386e50d61acb9dbbda3c2949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ab06698177637bf9b3d790b12a7bc2274b6218386e50d61acb9dbbda3c2949", kill_on_drop: false }`
[INFO] [stdout] a1ab06698177637bf9b3d790b12a7bc2274b6218386e50d61acb9dbbda3c2949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 270a65148eb779402095e17d88faf2c722f12794a4e39cd7067ad78d536a3aca
[INFO] running `Command { std: "docker" "start" "-a" "270a65148eb779402095e17d88faf2c722f12794a4e39cd7067ad78d536a3aca", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/game.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         /// first print the board
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 22 |         break;
[INFO] [stderr]    |         ----- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/util.rs:26:38
[INFO] [stderr]    |
[INFO] [stderr] 26 |         string.parse::<T>().map_err(|err| ReadError::TypeError)
[INFO] [stderr]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b1`
[INFO] [stderr]   --> src/util.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let b1 = std::io::stdin().read_line(&mut line).unwrap();
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut board = initialize_board(10, 10);
[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/game.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/game.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut board = initialize_board(10, 10);
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game_state`
[INFO] [stderr]   --> src/game.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut game_state = GameState::InProgress;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ReadError` is never used
[INFO] [stderr]   --> src/util.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 | enum ReadError {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_buffer_as` is never used
[INFO] [stderr]   --> src/util.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn read_buffer_as<T: FromStr>(buff: &mut Vec<&str>) -> Result<T, ReadError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Complete` is never constructed
[INFO] [stderr]  --> src/game.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | enum GameState {
[INFO] [stderr]   |      --------- variant in this enum
[INFO] [stderr] 6 |     InProgress,
[INFO] [stderr] 7 |     Complete(bool) // boolean states whether or not the user won
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `backpack` and `money` are never read
[INFO] [stderr]  --> src/game/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Player {
[INFO] [stderr]   |            ------ fields in this struct
[INFO] [stderr] 5 |     backpack: Vec<Item>,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 6 |     pub location: Point,
[INFO] [stderr] 7 |     money: i32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-wumpus` (lib) generated 11 warnings (run `cargo fix --lib -p rusty-wumpus` to apply 6 suggestions)
[INFO] [stderr] warning: unused import: `rusty_wumpus::util`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rusty_wumpus::util;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let args: Vec<_> = env::args().collect();
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-wumpus` (bin "rusty-wumpus" test) generated 2 warnings (run `cargo fix --bin "rusty-wumpus" -p rusty-wumpus --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `rusty-wumpus` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_wumpus-3d98112bf9f73a86)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_wumpus-fb204aea0dfcda58)
[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] [stderr]    Doc-tests rusty_wumpus
[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" "270a65148eb779402095e17d88faf2c722f12794a4e39cd7067ad78d536a3aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270a65148eb779402095e17d88faf2c722f12794a4e39cd7067ad78d536a3aca", kill_on_drop: false }`
[INFO] [stdout] 270a65148eb779402095e17d88faf2c722f12794a4e39cd7067ad78d536a3aca
