[INFO] cloning repository https://github.com/TheRiven/mazegenerator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheRiven/mazegenerator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e021d139b3ec222eae371c8cfb95033e6e5a168
[INFO] building TheRiven/mazegenerator against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TheRiven/mazegenerator
[INFO] finished tweaking git repo https://github.com/TheRiven/mazegenerator
[INFO] tweaked toml for git repo https://github.com/TheRiven/mazegenerator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TheRiven/mazegenerator on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TheRiven/mazegenerator 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded adler32 v1.0.2
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded either v1.4.0
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded inflate v0.3.4
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.14
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.0
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded deflate v0.7.17
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7369217a8b602f54c3e01e5a0964eb7adfea1e76823ed1435c66cd0d2784ee18
[INFO] running `Command { std: "docker" "start" "-a" "7369217a8b602f54c3e01e5a0964eb7adfea1e76823ed1435c66cd0d2784ee18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7369217a8b602f54c3e01e5a0964eb7adfea1e76823ed1435c66cd0d2784ee18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7369217a8b602f54c3e01e5a0964eb7adfea1e76823ed1435c66cd0d2784ee18", kill_on_drop: false }`
[INFO] [stdout] 7369217a8b602f54c3e01e5a0964eb7adfea1e76823ed1435c66cd0d2784ee18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da11489f4a71d48d1d0ac7e4d5c841a800c97c415c23f42a444af52d2d7083f7
[INFO] running `Command { std: "docker" "start" "-a" "da11489f4a71d48d1d0ac7e4d5c841a800c97c415c23f42a444af52d2d7083f7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mazebuilder/dfs.rs:86:74
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) {
[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] 86 - fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) {
[INFO] [stdout] 86 + fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> (&'a Cell, Direction)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/mazebuilder/dfs.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     (chosen)
[INFO] [stdout]    |     ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -     (chosen)
[INFO] [stdout] 92 +     chosen 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mazebuilder/maze.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> {
[INFO] [stdout]    |                                                      ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> {
[INFO] [stdout] 25 +     pub fn get_cell(&self, x: u32, y: u32) -> Option<&Cell > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Direction::North => (get_node(maze, person.x, person.y - 1)),
[INFO] [stdout]    |                             ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -         Direction::North => (get_node(maze, person.x, person.y - 1)),
[INFO] [stdout] 63 +         Direction::North => get_node(maze, person.x, person.y - 1) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Direction::East => (get_node(maze, person.x + 1, person.y)),
[INFO] [stdout]    |                            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -         Direction::East => (get_node(maze, person.x + 1, person.y)),
[INFO] [stdout] 64 +         Direction::East => get_node(maze, person.x + 1, person.y) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Direction::South => (get_node(maze, person.x, person.y + 1)),
[INFO] [stdout]    |                             ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -         Direction::South => (get_node(maze, person.x, person.y + 1)),
[INFO] [stdout] 65 +         Direction::South => get_node(maze, person.x, person.y + 1) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Direction::West => (get_node(maze, person.x - 1, person.y)),
[INFO] [stdout]    |                            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -         Direction::West => (get_node(maze, person.x - 1, person.y)),
[INFO] [stdout] 66 +         Direction::West => get_node(maze, person.x - 1, person.y) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.82s
[INFO] running `Command { std: "docker" "inspect" "da11489f4a71d48d1d0ac7e4d5c841a800c97c415c23f42a444af52d2d7083f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da11489f4a71d48d1d0ac7e4d5c841a800c97c415c23f42a444af52d2d7083f7", kill_on_drop: false }`
[INFO] [stdout] da11489f4a71d48d1d0ac7e4d5c841a800c97c415c23f42a444af52d2d7083f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f67460245551b9f25047931f9aa0ed5b2ee4d98b8afe60cc1618474c9ab2522e
[INFO] running `Command { std: "docker" "start" "-a" "f67460245551b9f25047931f9aa0ed5b2ee4d98b8afe60cc1618474c9ab2522e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mazebuilder/dfs.rs:86:74
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) {
[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] 86 - fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) {
[INFO] [stdout] 86 + fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> (&'a Cell, Direction)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/mazebuilder/dfs.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     (chosen)
[INFO] [stdout]    |     ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -     (chosen)
[INFO] [stdout] 92 +     chosen 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mazebuilder/maze.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> {
[INFO] [stdout]    |                                                      ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> {
[INFO] [stdout] 25 +     pub fn get_cell(&self, x: u32, y: u32) -> Option<&Cell > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Direction::North => (get_node(maze, person.x, person.y - 1)),
[INFO] [stdout]    |                             ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -         Direction::North => (get_node(maze, person.x, person.y - 1)),
[INFO] [stdout] 63 +         Direction::North => get_node(maze, person.x, person.y - 1) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mazegenerator v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Direction::East => (get_node(maze, person.x + 1, person.y)),
[INFO] [stdout]    |                            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -         Direction::East => (get_node(maze, person.x + 1, person.y)),
[INFO] [stdout] 64 +         Direction::East => get_node(maze, person.x + 1, person.y) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Direction::South => (get_node(maze, person.x, person.y + 1)),
[INFO] [stdout]    |                             ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -         Direction::South => (get_node(maze, person.x, person.y + 1)),
[INFO] [stdout] 65 +         Direction::South => get_node(maze, person.x, person.y + 1) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Direction::West => (get_node(maze, person.x - 1, person.y)),
[INFO] [stdout]    |                            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -         Direction::West => (get_node(maze, person.x - 1, person.y)),
[INFO] [stdout] 66 +         Direction::West => get_node(maze, person.x - 1, person.y) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mazebuilder/dfs.rs:86:74
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) {
[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] 86 - fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) {
[INFO] [stdout] 86 + fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> (&'a Cell, Direction)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/mazebuilder/dfs.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     (chosen)
[INFO] [stdout]    |     ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 92 -     (chosen)
[INFO] [stdout] 92 +     chosen 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/mazebuilder/maze.rs:25:54
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> {
[INFO] [stdout]    |                                                      ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> {
[INFO] [stdout] 25 +     pub fn get_cell(&self, x: u32, y: u32) -> Option<&Cell > {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |         Direction::North => (get_node(maze, person.x, person.y - 1)),
[INFO] [stdout]    |                             ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -         Direction::North => (get_node(maze, person.x, person.y - 1)),
[INFO] [stdout] 63 +         Direction::North => get_node(maze, person.x, person.y - 1) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Direction::East => (get_node(maze, person.x + 1, person.y)),
[INFO] [stdout]    |                            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -         Direction::East => (get_node(maze, person.x + 1, person.y)),
[INFO] [stdout] 64 +         Direction::East => get_node(maze, person.x + 1, person.y) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Direction::South => (get_node(maze, person.x, person.y + 1)),
[INFO] [stdout]    |                             ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -         Direction::South => (get_node(maze, person.x, person.y + 1)),
[INFO] [stdout] 65 +         Direction::South => get_node(maze, person.x, person.y + 1) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/mazesolver/leftturn.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Direction::West => (get_node(maze, person.x - 1, person.y)),
[INFO] [stdout]    |                            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -         Direction::West => (get_node(maze, person.x - 1, person.y)),
[INFO] [stdout] 66 +         Direction::West => get_node(maze, person.x - 1, person.y) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "f67460245551b9f25047931f9aa0ed5b2ee4d98b8afe60cc1618474c9ab2522e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67460245551b9f25047931f9aa0ed5b2ee4d98b8afe60cc1618474c9ab2522e", kill_on_drop: false }`
[INFO] [stdout] f67460245551b9f25047931f9aa0ed5b2ee4d98b8afe60cc1618474c9ab2522e
