[INFO] cloning repository https://github.com/klaatu01/maze-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klaatu01/maze-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaatu01%2Fmaze-rs", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f452bae65d20f9c47956e1b84447b16680053b2b
[INFO] testing klaatu01/maze-rs against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklaatu01%2Fmaze-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/klaatu01/maze-rs
[INFO] finished tweaking git repo https://github.com/klaatu01/maze-rs
[INFO] tweaked toml for git repo https://github.com/klaatu01/maze-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/klaatu01/maze-rs on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/klaatu01/maze-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap/`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]    Compiling piston_window v0.98.0
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/disp/ascii.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut chunk = &grid.index(x, y);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/disp/display.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let width = self.window.size().width;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/types/grid.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         for j in 0..self.y {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/types/grid.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             for i in 0..self.x {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/types/grid.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             _ => false,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/types/grid.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Dir::North => match self.north(cell) {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 121 |             Dir::East => match self.east(cell) {
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 125 |             Dir::South => match self.south(cell) {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 129 |             Dir::West => match self.west(cell) {
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 133 |             _ => false,
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Algorithm::Binary => bta,
[INFO] [stdout]    |         ----------------- matches some of the same values
[INFO] [stdout] 25 |         Algorithm::Sidewinder => sidewinder,
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Display` is never constructed
[INFO] [stdout]  --> src/disp/display.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/disp/display.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Display {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(grid: Grid<Chunk>, window: PistonWindow) -> Display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn update(&mut self, event: Event) -> () {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid_build_time`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let grid_build_time = grid_build_instant.elapsed().as_millis();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 59s
[INFO] running `Command { std: "docker" "inspect" "c150d91a3c8168610bc78ae801ebc783efd2153b7964f403af899c413b057dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c150d91a3c8168610bc78ae801ebc783efd2153b7964f403af899c413b057dc7", kill_on_drop: false }`
[INFO] [stdout] c150d91a3c8168610bc78ae801ebc783efd2153b7964f403af899c413b057dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3959917fbcc68328790739e5464790b66f21f4831646cf6bdfc69249f83158a
[INFO] running `Command { std: "docker" "start" "-a" "a3959917fbcc68328790739e5464790b66f21f4831646cf6bdfc69249f83158a", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/disp/ascii.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut chunk = &grid.index(x, y);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/disp/display.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let width = self.window.size().width;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/types/grid.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         for j in 0..self.y {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/types/grid.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             for i in 0..self.x {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/types/grid.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             _ => false,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/types/grid.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Dir::North => match self.north(cell) {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 121 |             Dir::East => match self.east(cell) {
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 125 |             Dir::South => match self.south(cell) {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 129 |             Dir::West => match self.west(cell) {
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 133 |             _ => false,
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Algorithm::Binary => bta,
[INFO] [stdout]    |         ----------------- matches some of the same values
[INFO] [stdout] 25 |         Algorithm::Sidewinder => sidewinder,
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Display` is never constructed
[INFO] [stdout]  --> src/disp/display.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/disp/display.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Display {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(grid: Grid<Chunk>, window: PistonWindow) -> Display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn update(&mut self, event: Event) -> () {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid_build_time`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let grid_build_time = grid_build_instant.elapsed().as_millis();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid_build_time`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let grid_build_time = grid_build_instant.elapsed().as_millis();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/disp/ascii.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut chunk = &grid.index(x, y);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/disp/display.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let width = self.window.size().width;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/types/grid.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         for j in 0..self.y {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/types/grid.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             for i in 0..self.x {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/types/grid.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             _ => false,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/types/grid.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             Dir::North => match self.north(cell) {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 121 |             Dir::East => match self.east(cell) {
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 125 |             Dir::South => match self.south(cell) {
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 129 |             Dir::West => match self.west(cell) {
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 133 |             _ => false,
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Algorithm::Binary => bta,
[INFO] [stdout]    |         ----------------- matches some of the same values
[INFO] [stdout] 25 |         Algorithm::Sidewinder => sidewinder,
[INFO] [stdout]    |         --------------------- matches some of the same values
[INFO] [stdout] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Display` is never constructed
[INFO] [stdout]  --> src/disp/display.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/disp/display.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Display {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(grid: Grid<Chunk>, window: PistonWindow) -> Display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn update(&mut self, event: Event) -> () {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "a3959917fbcc68328790739e5464790b66f21f4831646cf6bdfc69249f83158a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3959917fbcc68328790739e5464790b66f21f4831646cf6bdfc69249f83158a", kill_on_drop: false }`
[INFO] [stdout] a3959917fbcc68328790739e5464790b66f21f4831646cf6bdfc69249f83158a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9167c96d794cf36569a95c68831e77daf876710e8d36fc91630281e6b96f24a8
[INFO] running `Command { std: "docker" "start" "-a" "9167c96d794cf36569a95c68831e77daf876710e8d36fc91630281e6b96f24a8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/disp/ascii.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let mut chunk = &grid.index(x, y);
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/disp/display.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let width = self.window.size().width;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/types/grid.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for j in 0..self.y {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/types/grid.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             for i in 0..self.x {}
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/types/grid.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             _ => false,
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/types/grid.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             Dir::North => match self.north(cell) {
[INFO] [stderr]     |             ---------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 121 |             Dir::East => match self.east(cell) {
[INFO] [stderr]     |             --------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 125 |             Dir::South => match self.south(cell) {
[INFO] [stderr]     |             ---------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 129 |             Dir::West => match self.west(cell) {
[INFO] [stderr]     |             --------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 133 |             _ => false,
[INFO] [stderr]     |             ^ collectively making this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stderr]    |         ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/lib.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Algorithm::Binary => bta,
[INFO] [stderr]    |         ----------------- matches some of the same values
[INFO] [stderr] 25 |         Algorithm::Sidewinder => sidewinder,
[INFO] [stderr]    |         --------------------- matches some of the same values
[INFO] [stderr] 26 |         _ => panic!("Algorithm Not Implemented"),
[INFO] [stderr]    |         ^ collectively making this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Display` is never constructed
[INFO] [stderr]  --> src/disp/display.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Display {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `update` are never used
[INFO] [stderr]   --> src/disp/display.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Display {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 12 |     pub fn new(grid: Grid<Chunk>, window: PistonWindow) -> Display {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn update(&mut self, event: Event) -> () {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `maze` (lib) generated 8 warnings (run `cargo fix --lib -p maze` to apply 1 suggestion)
[INFO] [stderr] warning: `maze` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: unused variable: `grid_build_time`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let grid_build_time = grid_build_instant.elapsed().as_millis();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_build_time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `maze` (bin "maze-gen") generated 1 warning
[INFO] [stderr] warning: `maze` (bin "maze-gen" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maze-deb815e34e8ec040)
[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/maze_gen-cea6b49d7a88e934)
[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 tests/grid-test.rs (/opt/rustwide/target/debug/deps/grid_test-fa3564a892055230)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test creates_grid_with_dims ... ok
[INFO] [stdout] test creates_grid_with_borders ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- creates_grid_with_borders stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'creates_grid_with_borders' panicked at tests/grid-test.rs:20:17:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5813cc30b772 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5813cc30b772 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5813cc30b772 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5813cc30b772 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5813cc330833 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5813cc330833 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5813cc308953 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5813cc308953 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5813cc30b5c2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5813cc30ccdc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5813cc30cb32 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5813cc2d4564 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5813cc2d4564 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5813cc30d6bb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5813cc30d6bb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5813cc30d48a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5813cc30bc69 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5813cc30d11d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5813cc32f380 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5813cc32f617 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5813cc32f539 - core::panicking::assert_failed::h24b207bf351b573a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5813cc29add5 - grid_test::creates_grid_with_borders::h47d64ce43a0dc98f
[INFO] [stdout]   22:     0x5813cc29add5 - grid_test::creates_grid_with_borders::{{closure}}::hd0ada01018ccb0e8
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/grid-test.rs:11:31
[INFO] [stdout]   23:     0x5813cc29add5 - core::ops::function::FnOnce::call_once::h1b322f69ece5706d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5813cc2d9ceb - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5813cc2d9ceb - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5813cc2d8ede - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5813cc2d8ede - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5813cc2d8ede - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5813cc2d8ede - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5813cc2d8ede - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5813cc2d8ede - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5813cc2d8ede - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5813cc29ca54 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5813cc29ca54 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5813cc2a042a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5813cc2a042a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5813cc2a042a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5813cc2a042a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5813cc2a042a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5813cc2a042a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5813cc2a042a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5813cc310617 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5813cc310617 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5813cc310617 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x719bc89f9aa4 - <unknown>
[INFO] [stdout]   46:     0x719bc8a86a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     creates_grid_with_borders
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test grid-test`
[INFO] running `Command { std: "docker" "inspect" "9167c96d794cf36569a95c68831e77daf876710e8d36fc91630281e6b96f24a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9167c96d794cf36569a95c68831e77daf876710e8d36fc91630281e6b96f24a8", kill_on_drop: false }`
[INFO] [stdout] 9167c96d794cf36569a95c68831e77daf876710e8d36fc91630281e6b96f24a8
