[INFO] cloning repository https://github.com/bastiencyr/tetris-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bastiencyr/tetris-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbastiencyr%2Ftetris-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbastiencyr%2Ftetris-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5527e8531db40c529f9781879cdad20deccaa453
[INFO] checking bastiencyr/tetris-rs against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbastiencyr%2Ftetris-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bastiencyr/tetris-rs
[INFO] finished tweaking git repo https://github.com/bastiencyr/tetris-rs
[INFO] tweaked toml for git repo https://github.com/bastiencyr/tetris-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bastiencyr/tetris-rs on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding sdl2 v0.35.2 (available: v0.38.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getset v0.1.6
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b752ccdcca3fab71e05a072e0f5684ad5c0993867260591bd187b6a544c3268
[INFO] running `Command { std: "docker" "start" "-a" "0b752ccdcca3fab71e05a072e0f5684ad5c0993867260591bd187b6a544c3268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b752ccdcca3fab71e05a072e0f5684ad5c0993867260591bd187b6a544c3268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b752ccdcca3fab71e05a072e0f5684ad5c0993867260591bd187b6a544c3268", kill_on_drop: false }`
[INFO] [stdout] 0b752ccdcca3fab71e05a072e0f5684ad5c0993867260591bd187b6a544c3268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 347dd16625f32c5c0f602494f91d3b2f339b7af33a6e616b986966dc31ae7d4d
[INFO] running `Command { std: "docker" "start" "-a" "347dd16625f32c5c0f602494f91d3b2f339b7af33a6e616b986966dc31ae7d4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]     Checking game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/view.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TextureCreator`
[INFO] [stdout]  --> src/view.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::{BlendMode, Canvas, Texture, TextureCreator, WindowCanvas};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WindowContext`
[INFO] [stdout]  --> src/view.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::video::{Window, WindowContext};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/view.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TextureCreator`
[INFO] [stdout]  --> src/view.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::{BlendMode, Canvas, Texture, TextureCreator, WindowCanvas};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WindowContext`
[INFO] [stdout]  --> src/view.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sdl2::video::{Window, WindowContext};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/view.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         mut canvas: WindowCanvas,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]    --> src/view.rs:142:30
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn draw_score(&self, model: &TetrisModel) {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (mut canvas, mut creator) = init_canvas(&video_subsystem);
[INFO] [stdout]    |                      ----^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_view`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let id_view = controller.register_view(Box::new(view));
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_view`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rows_mut` and `rows2` are never used
[INFO] [stdout]   --> src/board.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn rows_mut<'a>(&'a mut self) -> impl Iterator<Item=&'a mut [Case]> + 'a {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn rows2<'a>(&'a self) -> impl Iterator<Item=&'a [Case]> + 'a {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter2RowsBoard` is never constructed
[INFO] [stdout]    --> src/board.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub struct Iter2RowsBoard<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> src/board.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | impl Iter2RowsBoard<'_> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 200 |     fn next(&mut self) -> Option<IterMut<'_, Case>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterRowsBoard` is never constructed
[INFO] [stdout]    --> src/board.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct IterRowsBoard<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/piece.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Piece {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     count: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Piece` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos_board` is never read
[INFO] [stdout]   --> src/player.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Player {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 13 |     pub pos_board: Rect,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `score` is never used
[INFO] [stdout]   --> src/player.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<'a> Player {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 32 |     pub fn score(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `background2` is never used
[INFO] [stdout]   --> src/view.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<'b> TetrisViewBuilder<'b> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn background2(mut self, background: Background<'b>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/view.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         self.canvas
[INFO] [stdout] 103 | |             .with_texture_canvas(self.main_texture.borrow_mut(), |texture_canvas| {
[INFO] [stdout] 104 | |                 //Copy the background
[INFO] [stdout] 105 | |                 texture_canvas
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |                 texture_canvas.set_draw_color(sdl2::pixels::Color::RGBA(0, 0, 0, 255));
[INFO] [stdout] 139 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let _ = self.canvas
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/view.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         texture_canvas.fill_rect(rect);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         let _ = texture_canvas.fill_rect(rect);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/view.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         mut canvas: WindowCanvas,
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]    --> src/view.rs:142:30
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn draw_score(&self, model: &TetrisModel) {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (mut canvas, mut creator) = init_canvas(&video_subsystem);
[INFO] [stdout]    |                      ----^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_view`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let id_view = controller.register_view(Box::new(view));
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_view`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rows_mut` and `rows2` are never used
[INFO] [stdout]   --> src/board.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn rows_mut<'a>(&'a mut self) -> impl Iterator<Item=&'a mut [Case]> + 'a {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn rows2<'a>(&'a self) -> impl Iterator<Item=&'a [Case]> + 'a {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter2RowsBoard` is never constructed
[INFO] [stdout]    --> src/board.rs:194:12
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub struct Iter2RowsBoard<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> src/board.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | impl Iter2RowsBoard<'_> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 200 |     fn next(&mut self) -> Option<IterMut<'_, Case>> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterRowsBoard` is never constructed
[INFO] [stdout]    --> src/board.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct IterRowsBoard<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/piece.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct Piece {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     count: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Piece` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos_board` is never read
[INFO] [stdout]   --> src/player.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Player {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 13 |     pub pos_board: Rect,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `score` is never used
[INFO] [stdout]   --> src/player.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<'a> Player {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 32 |     pub fn score(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `background2` is never used
[INFO] [stdout]   --> src/view.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<'b> TetrisViewBuilder<'b> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn background2(mut self, background: Background<'b>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/view.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         self.canvas
[INFO] [stdout] 103 | |             .with_texture_canvas(self.main_texture.borrow_mut(), |texture_canvas| {
[INFO] [stdout] 104 | |                 //Copy the background
[INFO] [stdout] 105 | |                 texture_canvas
[INFO] [stdout] ...   |
[INFO] [stdout] 138 | |                 texture_canvas.set_draw_color(sdl2::pixels::Color::RGBA(0, 0, 0, 255));
[INFO] [stdout] 139 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let _ = self.canvas
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.51s
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/view.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         texture_canvas.fill_rect(rect);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         let _ = texture_canvas.fill_rect(rect);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "347dd16625f32c5c0f602494f91d3b2f339b7af33a6e616b986966dc31ae7d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347dd16625f32c5c0f602494f91d3b2f339b7af33a6e616b986966dc31ae7d4d", kill_on_drop: false }`
[INFO] [stdout] 347dd16625f32c5c0f602494f91d3b2f339b7af33a6e616b986966dc31ae7d4d
