[INFO] cloning repository https://github.com/droidkid/rust-tetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/droidkid/rust-tetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroidkid%2Frust-tetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroidkid%2Frust-tetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7739277f8489ba9f6b2ba7f772f909813828b03
[INFO] checking droidkid/rust-tetris against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroidkid%2Frust-tetris" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/droidkid/rust-tetris
[INFO] finished tweaking git repo https://github.com/droidkid/rust-tetris
[INFO] tweaked toml for git repo https://github.com/droidkid/rust-tetris written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/droidkid/rust-tetris on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/droidkid/rust-tetris 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded rand v0.3.22
[INFO] [stderr]   Downloaded sdl2 v0.31.0
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded sdl2-sys v0.31.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6e2434098f7aa53abcfa698c06ef9101d9fc3319c7098c38039ec884a9393ca
[INFO] running `Command { std: "docker" "start" "-a" "f6e2434098f7aa53abcfa698c06ef9101d9fc3319c7098c38039ec884a9393ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e2434098f7aa53abcfa698c06ef9101d9fc3319c7098c38039ec884a9393ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e2434098f7aa53abcfa698c06ef9101d9fc3319c7098c38039ec884a9393ca", kill_on_drop: false }`
[INFO] [stdout] f6e2434098f7aa53abcfa698c06ef9101d9fc3319c7098c38039ec884a9393ca
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc902027ac5aa757a8b8ad83d06ddad5cc56b905d3776fb2646412afc9547b60
[INFO] running `Command { std: "docker" "start" "-a" "cc902027ac5aa757a8b8ad83d06ddad5cc56b905d3776fb2646412afc9547b60", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking rust-tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:422:22
[INFO] [stdout]     |
[INFO] [stdout] 422 |             for j in (1..self.width-1) {
[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] 422 -             for j in (1..self.width-1) {
[INFO] [stdout] 422 +             for j in 1..self.width-1  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:473:16
[INFO] [stdout]     |
[INFO] [stdout] 473 |             if (self.game_over_countdown > 0) {
[INFO] [stdout]     |                ^                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 473 -             if (self.game_over_countdown > 0) {
[INFO] [stdout] 473 +             if self.game_over_countdown > 0  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 |         if (input.left_key_pressed) {
[INFO] [stdout]     |            ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 483 -         if (input.left_key_pressed) {
[INFO] [stdout] 483 +         if input.left_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:486:12
[INFO] [stdout]     |
[INFO] [stdout] 486 |         if (input.right_key_pressed) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 486 -         if (input.right_key_pressed) {
[INFO] [stdout] 486 +         if input.right_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:489:12
[INFO] [stdout]     |
[INFO] [stdout] 489 |         if (input.up_key_pressed) {
[INFO] [stdout]     |            ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 489 -         if (input.up_key_pressed) {
[INFO] [stdout] 489 +         if input.up_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:493:12
[INFO] [stdout]     |
[INFO] [stdout] 493 |         if (input.down_key_pressed) {
[INFO] [stdout]     |            ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 493 -         if (input.down_key_pressed) {
[INFO] [stdout] 493 +         if input.down_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:500:12
[INFO] [stdout]     |
[INFO] [stdout] 500 |         if (self.gravity_countdown > 0) {
[INFO] [stdout]     |            ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 500 -         if (self.gravity_countdown > 0) {
[INFO] [stdout] 500 +         if self.gravity_countdown > 0  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:503:12
[INFO] [stdout]     |
[INFO] [stdout] 503 |         if (self.lock_delay_countdown > 0 && self.locking_state) {
[INFO] [stdout]     |            ^                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 503 -         if (self.lock_delay_countdown > 0 && self.locking_state) {
[INFO] [stdout] 503 +         if self.lock_delay_countdown > 0 && self.locking_state  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:539:12
[INFO] [stdout]     |
[INFO] [stdout] 539 |         if (self.level >= 10) {
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 539 -         if (self.level >= 10) {
[INFO] [stdout] 539 +         if self.level >= 10  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:646:12
[INFO] [stdout]     |
[INFO] [stdout] 646 |         if (event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)) {
[INFO] [stdout]     |            ^                                                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 646 -         if (event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)) {
[INFO] [stdout] 646 +         if event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:422:22
[INFO] [stdout]     |
[INFO] [stdout] 422 |             for j in (1..self.width-1) {
[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] 422 -             for j in (1..self.width-1) {
[INFO] [stdout] 422 +             for j in 1..self.width-1  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:473:16
[INFO] [stdout]     |
[INFO] [stdout] 473 |             if (self.game_over_countdown > 0) {
[INFO] [stdout]     |                ^                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 473 -             if (self.game_over_countdown > 0) {
[INFO] [stdout] 473 +             if self.game_over_countdown > 0  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 |         if (input.left_key_pressed) {
[INFO] [stdout]     |            ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 483 -         if (input.left_key_pressed) {
[INFO] [stdout] 483 +         if input.left_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:486:12
[INFO] [stdout]     |
[INFO] [stdout] 486 |         if (input.right_key_pressed) {
[INFO] [stdout]     |            ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 486 -         if (input.right_key_pressed) {
[INFO] [stdout] 486 +         if input.right_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:489:12
[INFO] [stdout]     |
[INFO] [stdout] 489 |         if (input.up_key_pressed) {
[INFO] [stdout]     |            ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 489 -         if (input.up_key_pressed) {
[INFO] [stdout] 489 +         if input.up_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:493:12
[INFO] [stdout]     |
[INFO] [stdout] 493 |         if (input.down_key_pressed) {
[INFO] [stdout]     |            ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 493 -         if (input.down_key_pressed) {
[INFO] [stdout] 493 +         if input.down_key_pressed  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:500:12
[INFO] [stdout]     |
[INFO] [stdout] 500 |         if (self.gravity_countdown > 0) {
[INFO] [stdout]     |            ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 500 -         if (self.gravity_countdown > 0) {
[INFO] [stdout] 500 +         if self.gravity_countdown > 0  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:503:12
[INFO] [stdout]     |
[INFO] [stdout] 503 |         if (self.lock_delay_countdown > 0 && self.locking_state) {
[INFO] [stdout]     |            ^                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 503 -         if (self.lock_delay_countdown > 0 && self.locking_state) {
[INFO] [stdout] 503 +         if self.lock_delay_countdown > 0 && self.locking_state  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:539:12
[INFO] [stdout]     |
[INFO] [stdout] 539 |         if (self.level >= 10) {
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 539 -         if (self.level >= 10) {
[INFO] [stdout] 539 +         if self.level >= 10  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:646:12
[INFO] [stdout]     |
[INFO] [stdout] 646 |         if (event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)) {
[INFO] [stdout]     |            ^                                                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 646 -         if (event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)) {
[INFO] [stdout] 646 +         if event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `move_down_success` is never read
[INFO] [stdout]    --> src/main.rs:508:37
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let mut move_down_success = true;
[INFO] [stdout]     |                                     ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 513 |             move_down_success = self.move_active_piece(Pos2D::xy(0,1));
[INFO] [stdout]     |             ---------------------------------------------------------- `move_down_success` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `move_down_success` is never read
[INFO] [stdout]    --> src/main.rs:508:37
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let mut move_down_success = true;
[INFO] [stdout]     |                                     ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 513 |             move_down_success = self.move_active_piece(Pos2D::xy(0,1));
[INFO] [stdout]     |             ---------------------------------------------------------- `move_down_success` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (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:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let mut font = ttf_context.load_font(font_path, 28).unwrap();
[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: method `is_row_empty` is never used
[INFO] [stdout]    --> src/main.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 318 | impl TetrisBoard {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 411 |     fn is_row_empty(&self, row:usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `start_pos` should have an upper case name
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | static start_pos: Pos2D = Pos2D {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 20 - static start_pos: Pos2D = Pos2D {
[INFO] [stdout] 20 + static START_POS: Pos2D = Pos2D {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tetris_board_width` should have an upper case name
[INFO] [stdout]   --> src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | static tetris_board_width : usize = 12;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 24 - static tetris_board_width : usize = 12;
[INFO] [stdout] 24 + static TETRIS_BOARD_WIDTH : usize = 12;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tetris_board_height` should have an upper case name
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | static tetris_board_height : usize = 24;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 25 - static tetris_board_height : usize = 24;
[INFO] [stdout] 25 + static TETRIS_BOARD_HEIGHT : usize = 24;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn iter(&self) -> TetrisPieceIter {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn iter(&self) -> TetrisPieceIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let mut font = ttf_context.load_font(font_path, 28).unwrap();
[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: method `is_row_empty` is never used
[INFO] [stdout]    --> src/main.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 318 | impl TetrisBoard {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 411 |     fn is_row_empty(&self, row:usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `start_pos` should have an upper case name
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | static start_pos: Pos2D = Pos2D {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 20 - static start_pos: Pos2D = Pos2D {
[INFO] [stdout] 20 + static START_POS: Pos2D = Pos2D {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tetris_board_width` should have an upper case name
[INFO] [stdout]   --> src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | static tetris_board_width : usize = 12;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 24 - static tetris_board_width : usize = 12;
[INFO] [stdout] 24 + static TETRIS_BOARD_WIDTH : usize = 12;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tetris_board_height` should have an upper case name
[INFO] [stdout]   --> src/main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | static tetris_board_height : usize = 24;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 25 - static tetris_board_height : usize = 24;
[INFO] [stdout] 25 + static TETRIS_BOARD_HEIGHT : usize = 24;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn iter(&self) -> TetrisPieceIter {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn iter(&self) -> TetrisPieceIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |             canvas.fill_rect(rect);
[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] 273 |             let _ = canvas.fill_rect(rect);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `randomTetrisPieceGenerator` should have a snake case name
[INFO] [stdout]    --> src/main.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let mut randomTetrisPieceGenerator = RandomTetrisPieceGenerator::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `random_tetris_piece_generator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:556:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |         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] 556 |         let _ = canvas.fill_rect(rect);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             canvas.fill_rect(Rect::new(0,0,width,height));
[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] 661 |             let _ = canvas.fill_rect(Rect::new(0,0,width,height));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |             canvas.fill_rect(rect);
[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] 273 |             let _ = canvas.fill_rect(rect);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `randomTetrisPieceGenerator` should have a snake case name
[INFO] [stdout]    --> src/main.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let mut randomTetrisPieceGenerator = RandomTetrisPieceGenerator::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `random_tetris_piece_generator`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:556:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |         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] 556 |         let _ = canvas.fill_rect(rect);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |             canvas.fill_rect(Rect::new(0,0,width,height));
[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] 661 |             let _ = canvas.fill_rect(Rect::new(0,0,width,height));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cc902027ac5aa757a8b8ad83d06ddad5cc56b905d3776fb2646412afc9547b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc902027ac5aa757a8b8ad83d06ddad5cc56b905d3776fb2646412afc9547b60", kill_on_drop: false }`
[INFO] [stdout] cc902027ac5aa757a8b8ad83d06ddad5cc56b905d3776fb2646412afc9547b60
