[INFO] cloning repository https://github.com/luiz734/wave-function-collapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luiz734/wave-function-collapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluiz734%2Fwave-function-collapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluiz734%2Fwave-function-collapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a507f8d41d93e29cf77c8be4ac3e6433f38672fe
[INFO] checking luiz734/wave-function-collapse against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluiz734%2Fwave-function-collapse" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luiz734/wave-function-collapse on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luiz734/wave-function-collapse
[INFO] finished tweaking git repo https://github.com/luiz734/wave-function-collapse
[INFO] tweaked toml for git repo https://github.com/luiz734/wave-function-collapse written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luiz734/wave-function-collapse 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csfml-audio-sys v0.6.0
[INFO] [stderr]   Downloaded sfml-build v0.4.0
[INFO] [stderr]   Downloaded csfml-graphics-sys v0.6.0
[INFO] [stderr]   Downloaded csfml-window-sys v0.6.0
[INFO] [stderr]   Downloaded csfml-system-sys v0.6.0
[INFO] [stderr]   Downloaded sfml v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c630edf7e99d26f028a3bc83d6d1505d59656091433612b358b70cb9b7651104
[INFO] running `Command { std: "docker" "start" "-a" "c630edf7e99d26f028a3bc83d6d1505d59656091433612b358b70cb9b7651104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c630edf7e99d26f028a3bc83d6d1505d59656091433612b358b70cb9b7651104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c630edf7e99d26f028a3bc83d6d1505d59656091433612b358b70cb9b7651104", kill_on_drop: false }`
[INFO] [stdout] c630edf7e99d26f028a3bc83d6d1505d59656091433612b358b70cb9b7651104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa3644ff124110fd1c7401fe99ebbdbc1bfe0406b6a663936f5bee5d9a78b1a4
[INFO] running `Command { std: "docker" "start" "-a" "fa3644ff124110fd1c7401fe99ebbdbc1bfe0406b6a663936f5bee5d9a78b1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfml-build v0.4.0
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling csfml-system-sys v0.6.0
[INFO] [stderr]    Compiling csfml-window-sys v0.6.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.6.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.6.0
[INFO] [stderr]     Checking sfml v0.16.0
[INFO] [stderr]     Checking wavefunction-collapse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `CircleShape`, `PrimitiveType`, `RenderStates`, `Shape`, `Transformable`, and `Vertex`
[INFO] [stdout]  --> src/sudoku.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |     CircleShape, Color, Font, PrimitiveType, RenderStates, RenderTarget, RenderWindow, Shape,
[INFO] [stdout]   |     ^^^^^^^^^^^               ^^^^^^^^^^^^^  ^^^^^^^^^^^^                              ^^^^^
[INFO] [stdout] 3 |     Transformable, Vertex,
[INFO] [stdout]   |     ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sfml::system::Vector2f`
[INFO] [stdout]  --> src/sudoku.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sfml::system::Vector2f;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CircleShape`, `PrimitiveType`, `RenderStates`, `Shape`, `Transformable`, and `Vertex`
[INFO] [stdout]  --> src/sudoku.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |     CircleShape, Color, Font, PrimitiveType, RenderStates, RenderTarget, RenderWindow, Shape,
[INFO] [stdout]   |     ^^^^^^^^^^^               ^^^^^^^^^^^^^  ^^^^^^^^^^^^                              ^^^^^
[INFO] [stdout] 3 |     Transformable, Vertex,
[INFO] [stdout]   |     ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sfml::system::Vector2f`
[INFO] [stdout]  --> src/sudoku.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sfml::system::Vector2f;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ui.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |       let mut ui_element = UIElementBuilder {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/ui.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |       let mut ui_element = UIElementBuilder {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/ui.rs:124:11
[INFO] [stdout]     |
[INFO] [stdout] 124 |       let mut ui_btn = UIButton {
[INFO] [stdout]     |           ----^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ui.rs:124:11
[INFO] [stdout]     |
[INFO] [stdout] 124 |       let mut ui_btn = UIButton {
[INFO] [stdout]     |           ----^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]   --> src/sudoku.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Cell {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 13 |     row: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     col: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row` and `col` are never read
[INFO] [stdout]   --> src/sudoku.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Cell {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 13 |     row: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     col: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc_position` is never used
[INFO] [stdout]   --> src/sudoku.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn calc_position(&self, cell_size: usize, spacement: usize) -> (usize, usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc_position` is never used
[INFO] [stdout]   --> src/sudoku.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn calc_position(&self, cell_size: usize, spacement: usize) -> (usize, usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]   --> src/sudoku.rs:40:2
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Canvas<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 39 |     pub window: RenderWindow,
[INFO] [stdout] 40 |     font: &'a SfBox<Font>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `font` is never read
[INFO] [stdout]   --> src/sudoku.rs:40:2
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Canvas<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 39 |     pub window: RenderWindow,
[INFO] [stdout] 40 |     font: &'a SfBox<Font>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `size` are never read
[INFO] [stdout]   --> src/ui.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct UIElement<'a> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 16 |    position: Vector2f,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 17 |    size: Option<Vector2f>,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position` and `size` are never read
[INFO] [stdout]   --> src/ui.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct UIElement<'a> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 16 |    position: Vector2f,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 17 |    size: Option<Vector2f>,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_position` and `get_position` are never used
[INFO] [stdout]   --> src/ui.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> UIElement<'a> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |    pub fn set_position(&mut self, coord_x: f32, coord_y: f32) {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |    pub fn get_position(&self) -> (f32, f32) {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_position` and `get_position` are never used
[INFO] [stdout]   --> src/ui.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<'a> UIElement<'a> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |    pub fn set_position(&mut self, coord_x: f32, coord_y: f32) {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |    pub fn get_position(&self) -> (f32, f32) {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `text` and `font` are never read
[INFO] [stdout]   --> src/ui.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct UIText<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 76 |    ui_element: UIElement<'a>,
[INFO] [stdout] 77 |    text: String,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 78 |    font: &'a SfBox<Font>,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `text` and `font` are never read
[INFO] [stdout]   --> src/ui.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct UIText<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 76 |    ui_element: UIElement<'a>,
[INFO] [stdout] 77 |    text: String,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 78 |    font: &'a SfBox<Font>,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_bold` is never used
[INFO] [stdout]   --> src/ui.rs:96:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<'a> UIText<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |    pub fn set_bold(&mut self, active: bool) {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_bold` is never used
[INFO] [stdout]   --> src/ui.rs:96:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<'a> UIText<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |    pub fn set_bold(&mut self, active: bool) {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "fa3644ff124110fd1c7401fe99ebbdbc1bfe0406b6a663936f5bee5d9a78b1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3644ff124110fd1c7401fe99ebbdbc1bfe0406b6a663936f5bee5d9a78b1a4", kill_on_drop: false }`
[INFO] [stdout] fa3644ff124110fd1c7401fe99ebbdbc1bfe0406b6a663936f5bee5d9a78b1a4