[INFO] updating cached repository Fertasd/MyGame-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Fertasd/MyGame-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Fertasd/MyGame-Rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Fertasd/MyGame-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Fertasd/MyGame-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fertasd/MyGame-Rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Fertasd/MyGame-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Fertasd/MyGame-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61cc8227084e4d7161b0c103f264f8f30cccfe01
[INFO] sha for GitHub repo Fertasd/MyGame-Rust: 61cc8227084e4d7161b0c103f264f8f30cccfe01
[INFO] validating manifest of Fertasd/MyGame-Rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Fertasd/MyGame-Rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Fertasd/MyGame-Rust
[INFO] finished frobbing Fertasd/MyGame-Rust
[INFO] frobbed toml for Fertasd/MyGame-Rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Fertasd/MyGame-Rust/Cargo.toml
[INFO] started frobbing Fertasd/MyGame-Rust
[INFO] finished frobbing Fertasd/MyGame-Rust
[INFO] frobbed toml for Fertasd/MyGame-Rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Fertasd/MyGame-Rust/Cargo.toml
[INFO] crate Fertasd/MyGame-Rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Fertasd/MyGame-Rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Fertasd/MyGame-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 142875aa275e9f83e13a8c932cc3187c7cd0f833e8df5f7aaeedd79903f1c093
[INFO] running `"docker" "start" "-a" "142875aa275e9f83e13a8c932cc3187c7cd0f833e8df5f7aaeedd79903f1c093"`
[INFO] [stderr]    Compiling unicode-bidi v0.3.3
[INFO] [stderr]    Compiling mio v0.6.8
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]    Compiling ctrlc v3.0.2
[INFO] [stderr]    Compiling idna v0.1.2
[INFO] [stderr]    Compiling url v1.4.1
[INFO] [stderr]    Compiling ws v0.7.1
[INFO] [stderr]    Compiling rpg-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/server.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/atomic.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT, Ordering};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/atomic.rs:7:61
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const ATOMIC_FLAG_INIT: AtomicFlag = AtomicFlag { flag: ATOMIC_BOOL_INIT };
[INFO] [stderr]   |                                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/area.rs:78:7
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for i in 0..steps {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/area.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 |             for h in 0..speed {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/area.rs:98:7
[INFO] [stderr]    |
[INFO] [stderr] 98 |         for i in 0..(2 * num) ^ 2 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/area.rs:109:14
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for (key, value) in currentgen {
[INFO] [stderr]     |                       ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room`
[INFO] [stderr]    --> src/area.rs:134:18
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_room`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/area.rs:134:30
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/area.rs:134:40
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |                                           ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Position`
[INFO] [stderr]  --> src/area.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Position {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/area.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(x: i64, y: i64, z: i64) -> Position {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Dungeon`
[INFO] [stderr]   --> src/area.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Dungeon {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/area.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new() -> Dungeon {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_level`
[INFO] [stderr]   --> src/area.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn add_level(&mut self, level: Rc<Level>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Level`
[INFO] [stderr]   --> src/area.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct Level {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UP`
[INFO] [stderr]   --> src/area.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 42 |     UP,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DOWN`
[INFO] [stderr]   --> src/area.rs:43:2
[INFO] [stderr]    |
[INFO] [stderr] 43 |     DOWN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LEFT`
[INFO] [stderr]   --> src/area.rs:44:2
[INFO] [stderr]    |
[INFO] [stderr] 44 |     LEFT,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RIGHT`
[INFO] [stderr]   --> src/area.rs:45:2
[INFO] [stderr]    |
[INFO] [stderr] 45 |     RIGHT
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `random`
[INFO] [stderr]   --> src/area.rs:49:2
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn random() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/area.rs:62:2
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn new() -> Level {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_room`
[INFO] [stderr]   --> src/area.rs:65:2
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn add_room(&mut self, room: Rc<Room>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/area.rs:68:2
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn step(dir: Direction, pos: usize, len: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `walker`
[INFO] [stderr]   --> src/area.rs:76:2
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn walker(pos: usize, steps: u8, len: usize, map: &mut Vec<bool>, speed: u8, gen: &mut HashMap<usize, bool>, counter: &mut usize, num: &mut usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_rooms`
[INFO] [stderr]   --> src/area.rs:96:2
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn generate_rooms(num: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Room`
[INFO] [stderr]    --> src/area.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub struct Room {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/area.rs:131:2
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn new() -> Room {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_position`
[INFO] [stderr]    --> src/area.rs:134:2
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sender`
[INFO] [stderr]   --> src/client.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     sender: ws::Sender
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sender`
[INFO] [stderr]    --> src/server.rs:124:2
[INFO] [stderr]     |
[INFO] [stderr] 124 |     sender: ws::Sender
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.19s
[INFO] running `"docker" "inspect" "142875aa275e9f83e13a8c932cc3187c7cd0f833e8df5f7aaeedd79903f1c093"`
[INFO] running `"docker" "rm" "-f" "142875aa275e9f83e13a8c932cc3187c7cd0f833e8df5f7aaeedd79903f1c093"`
[INFO] [stdout] 142875aa275e9f83e13a8c932cc3187c7cd0f833e8df5f7aaeedd79903f1c093
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Fertasd/MyGame-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] aff8240364c2e7f44f231d383ea6e34bdd021d57cf9d261772fc2f4e30d5c2cb
[INFO] running `"docker" "start" "-a" "aff8240364c2e7f44f231d383ea6e34bdd021d57cf9d261772fc2f4e30d5c2cb"`
[INFO] [stderr]    Compiling rpg-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/server.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/atomic.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT, Ordering};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/atomic.rs:7:61
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const ATOMIC_FLAG_INIT: AtomicFlag = AtomicFlag { flag: ATOMIC_BOOL_INIT };
[INFO] [stderr]   |                                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/area.rs:78:7
[INFO] [stderr]    |
[INFO] [stderr] 78 |         for i in 0..steps {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/area.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 |             for h in 0..speed {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/area.rs:98:7
[INFO] [stderr]    |
[INFO] [stderr] 98 |         for i in 0..(2 * num) ^ 2 {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/area.rs:109:14
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for (key, value) in currentgen {
[INFO] [stderr]     |                       ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room`
[INFO] [stderr]    --> src/area.rs:134:18
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_room`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/area.rs:134:30
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |                                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/area.rs:134:40
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |                                           ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Position`
[INFO] [stderr]  --> src/area.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Position {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/area.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(x: i64, y: i64, z: i64) -> Position {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Dungeon`
[INFO] [stderr]   --> src/area.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Dungeon {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/area.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new() -> Dungeon {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_level`
[INFO] [stderr]   --> src/area.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn add_level(&mut self, level: Rc<Level>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Level`
[INFO] [stderr]   --> src/area.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct Level {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UP`
[INFO] [stderr]   --> src/area.rs:42:2
[INFO] [stderr]    |
[INFO] [stderr] 42 |     UP,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DOWN`
[INFO] [stderr]   --> src/area.rs:43:2
[INFO] [stderr]    |
[INFO] [stderr] 43 |     DOWN,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LEFT`
[INFO] [stderr]   --> src/area.rs:44:2
[INFO] [stderr]    |
[INFO] [stderr] 44 |     LEFT,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RIGHT`
[INFO] [stderr]   --> src/area.rs:45:2
[INFO] [stderr]    |
[INFO] [stderr] 45 |     RIGHT
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `random`
[INFO] [stderr]   --> src/area.rs:49:2
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn random() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/area.rs:62:2
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn new() -> Level {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_room`
[INFO] [stderr]   --> src/area.rs:65:2
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn add_room(&mut self, room: Rc<Room>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]   --> src/area.rs:68:2
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn step(dir: Direction, pos: usize, len: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `walker`
[INFO] [stderr]   --> src/area.rs:76:2
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn walker(pos: usize, steps: u8, len: usize, map: &mut Vec<bool>, speed: u8, gen: &mut HashMap<usize, bool>, counter: &mut usize, num: &mut usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_rooms`
[INFO] [stderr]   --> src/area.rs:96:2
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn generate_rooms(num: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Room`
[INFO] [stderr]    --> src/area.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub struct Room {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/area.rs:131:2
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn new() -> Room {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_position`
[INFO] [stderr]    --> src/area.rs:134:2
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn set_position(room: Room, x: usize, y: usize) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sender`
[INFO] [stderr]   --> src/client.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     sender: ws::Sender
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sender`
[INFO] [stderr]    --> src/server.rs:124:2
[INFO] [stderr]     |
[INFO] [stderr] 124 |     sender: ws::Sender
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "aff8240364c2e7f44f231d383ea6e34bdd021d57cf9d261772fc2f4e30d5c2cb"`
[INFO] running `"docker" "rm" "-f" "aff8240364c2e7f44f231d383ea6e34bdd021d57cf9d261772fc2f4e30d5c2cb"`
[INFO] [stdout] aff8240364c2e7f44f231d383ea6e34bdd021d57cf9d261772fc2f4e30d5c2cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Fertasd/MyGame-Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 2e5cb13423f36c5719c9fe3e442b68c9114437f529c2a82a26795054882ef062
[INFO] running `"docker" "start" "-a" "2e5cb13423f36c5719c9fe3e442b68c9114437f529c2a82a26795054882ef062"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rpg_game-a903a71ad2c34691
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2e5cb13423f36c5719c9fe3e442b68c9114437f529c2a82a26795054882ef062"`
[INFO] running `"docker" "rm" "-f" "2e5cb13423f36c5719c9fe3e442b68c9114437f529c2a82a26795054882ef062"`
[INFO] [stdout] 2e5cb13423f36c5719c9fe3e442b68c9114437f529c2a82a26795054882ef062