[INFO] cloning repository https://github.com/procedural-rust/Maze_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/procedural-rust/Maze_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5740be4aac6004a6c4a2f87a0e98c603aad1f90e
[INFO] checking procedural-rust/Maze_generator against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2FMaze_generator" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/procedural-rust/Maze_generator on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/procedural-rust/Maze_generator
[INFO] finished tweaking git repo https://github.com/procedural-rust/Maze_generator
[INFO] tweaked toml for git repo https://github.com/procedural-rust/Maze_generator written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/procedural-rust/Maze_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.15.1
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[INFO] [stdout] 84f489a13d74ade89b1093eb2521be5ad75b64938634f2719c5c942006ab5ee3
[INFO] running `Command { std: "docker" "start" "-a" "84f489a13d74ade89b1093eb2521be5ad75b64938634f2719c5c942006ab5ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f489a13d74ade89b1093eb2521be5ad75b64938634f2719c5c942006ab5ee3", kill_on_drop: false }`
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[INFO] [stdout] 84f489a13d74ade89b1093eb2521be5ad75b64938634f2719c5c942006ab5ee3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9680eac976364223281fcb868b68c02ad745268df0dac3a36e0debf1e1df9bac
[INFO] running `Command { std: "docker" "start" "-a" "9680eac976364223281fcb868b68c02ad745268df0dac3a36e0debf1e1df9bac", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking maze_generation v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/cave.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed src/maze.rs (1 fix)
[INFO] [stdout] warning: associated function is never used: `turn_clockwise`
[INFO] [stdout]   --> src/maze.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn turn_clockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_counterclockwise`
[INFO] [stdout]   --> src/maze.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn turn_counterclockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_rect_with_bitmask`
[INFO] [stdout]    --> src/maze.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>, method: GenerationType) -> Res...
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_starting_points`
[INFO] [stdout]    --> src/maze.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn get_starting_points(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>) -> Vec<Point>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_clockwise`
[INFO] [stdout]   --> src/maze.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn turn_clockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_counterclockwise`
[INFO] [stdout]   --> src/maze.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn turn_counterclockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_rect_with_bitmask`
[INFO] [stdout]    --> src/maze.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>, method: GenerationType) -> Res...
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_starting_points`
[INFO] [stdout]    --> src/maze.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn get_starting_points(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>) -> Vec<Point>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking maze_generation v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `turn_clockwise`
[INFO] [stdout]   --> src/maze.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn turn_clockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_counterclockwise`
[INFO] [stdout]   --> src/maze.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn turn_counterclockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_rect_with_bitmask`
[INFO] [stdout]    --> src/maze.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>, method: GenerationType) -> Res...
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_starting_points`
[INFO] [stdout]    --> src/maze.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn get_starting_points(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>) -> Vec<Point>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_clockwise`
[INFO] [stdout]   --> src/maze.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn turn_clockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_counterclockwise`
[INFO] [stdout]   --> src/maze.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn turn_counterclockwise(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_rect_with_bitmask`
[INFO] [stdout]    --> src/maze.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn init_rect_with_bitmask(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>, method: GenerationType) -> Res...
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_starting_points`
[INFO] [stdout]    --> src/maze.rs:213:4
[INFO] [stdout]     |
[INFO] [stdout] 213 | fn get_starting_points(my_rows: usize, my_columns: usize, wrap: usize, bitmask: Vec<Vec<bool>>) -> Vec<Point>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.24s
[INFO] running `Command { std: "docker" "inspect" "9680eac976364223281fcb868b68c02ad745268df0dac3a36e0debf1e1df9bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9680eac976364223281fcb868b68c02ad745268df0dac3a36e0debf1e1df9bac", kill_on_drop: false }`
[INFO] [stdout] 9680eac976364223281fcb868b68c02ad745268df0dac3a36e0debf1e1df9bac