Dec 18 01:06:49.913 INFO checking droidkid/rust-tetris against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:06:49.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/droidkid/rust-tetris:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:06:50.412 INFO [stdout] 974206a96180d637fb2776ba0e4dc40667635f527b461e3d3751ffebc9449f9a
Dec 18 01:06:50.420 INFO running `"docker" "start" "-a" "974206a96180d637fb2776ba0e4dc40667635f527b461e3d3751ffebc9449f9a"`
Dec 18 01:06:52.076 INFO [stderr]    Compiling num-iter v0.1.37
Dec 18 01:06:53.829 INFO [stderr]     Checking num v0.1.42
Dec 18 01:06:54.137 INFO [stderr]     Checking sdl2 v0.31.0
Dec 18 01:06:57.564 INFO [stderr]     Checking rust-tetris v0.1.0 (/opt/crater/workdir)
Dec 18 01:06:57.948 INFO [stderr] warning: unused import: `std::thread`
Dec 18 01:06:57.948 INFO [stderr]   --> src/main.rs:17:5
Dec 18 01:06:57.949 INFO [stderr]    |
Dec 18 01:06:57.949 INFO [stderr] 17 | use std::thread;
Dec 18 01:06:57.949 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 01:06:57.949 INFO [stderr]    |
Dec 18 01:06:57.949 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:422:22
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 422 |             for j in (1..self.width-1) {
Dec 18 01:06:57.949 INFO [stderr]     |                      ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:473:16
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 473 |             if (self.game_over_countdown > 0) {
Dec 18 01:06:57.949 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:483:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 483 |         if (input.left_key_pressed) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:486:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 486 |         if (input.right_key_pressed) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:489:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 489 |         if (input.up_key_pressed) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:493:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 493 |         if (input.down_key_pressed) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:500:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 500 |         if (self.gravity_countdown > 0) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:503:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 503 |         if (self.lock_delay_countdown > 0 && self.locking_state) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:539:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 539 |         if (self.level >= 10) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:57.949 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:57.949 INFO [stderr]    --> src/main.rs:646:12
Dec 18 01:06:57.949 INFO [stderr]     |
Dec 18 01:06:57.949 INFO [stderr] 646 |         if (event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)) {
Dec 18 01:06:57.949 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:57.949 INFO [stderr] 
Dec 18 01:06:58.040 INFO [stderr] warning: value assigned to `move_down_success` is never read
Dec 18 01:06:58.040 INFO [stderr]    --> src/main.rs:508:17
Dec 18 01:06:58.040 INFO [stderr]     |
Dec 18 01:06:58.040 INFO [stderr] 508 |         let mut move_down_success = true;
Dec 18 01:06:58.040 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.040 INFO [stderr]     |
Dec 18 01:06:58.040 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 01:06:58.040 INFO [stderr] 
Dec 18 01:06:58.068 INFO [stderr] warning: unused import: `std::thread`
Dec 18 01:06:58.068 INFO [stderr]   --> src/main.rs:17:5
Dec 18 01:06:58.068 INFO [stderr]    |
Dec 18 01:06:58.069 INFO [stderr] 17 | use std::thread;
Dec 18 01:06:58.069 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 01:06:58.069 INFO [stderr]    |
Dec 18 01:06:58.069 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:422:22
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 422 |             for j in (1..self.width-1) {
Dec 18 01:06:58.069 INFO [stderr]     |                      ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:473:16
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 473 |             if (self.game_over_countdown > 0) {
Dec 18 01:06:58.069 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:483:12
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 483 |         if (input.left_key_pressed) {
Dec 18 01:06:58.069 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:486:12
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 486 |         if (input.right_key_pressed) {
Dec 18 01:06:58.069 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:489:12
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 489 |         if (input.up_key_pressed) {
Dec 18 01:06:58.069 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:493:12
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 493 |         if (input.down_key_pressed) {
Dec 18 01:06:58.069 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:500:12
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 500 |         if (self.gravity_countdown > 0) {
Dec 18 01:06:58.069 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.069 INFO [stderr]    --> src/main.rs:503:12
Dec 18 01:06:58.069 INFO [stderr]     |
Dec 18 01:06:58.069 INFO [stderr] 503 |         if (self.lock_delay_countdown > 0 && self.locking_state) {
Dec 18 01:06:58.069 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.069 INFO [stderr] 
Dec 18 01:06:58.069 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.080 INFO [stderr]    --> src/main.rs:539:12
Dec 18 01:06:58.080 INFO [stderr]     |
Dec 18 01:06:58.080 INFO [stderr] 539 |         if (self.level >= 10) {
Dec 18 01:06:58.080 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.080 INFO [stderr] 
Dec 18 01:06:58.080 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:06:58.080 INFO [stderr]    --> src/main.rs:646:12
Dec 18 01:06:58.080 INFO [stderr]     |
Dec 18 01:06:58.080 INFO [stderr] 646 |         if (event_pump.keyboard_state().is_scancode_pressed(Scancode::Down)) {
Dec 18 01:06:58.080 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:06:58.080 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:06:58.189 INFO [stderr]    --> src/main.rs:613:9
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr] 613 |     let mut font = ttf_context.load_font(font_path, 28).unwrap();
Dec 18 01:06:58.189 INFO [stderr]     |         ----^^^^
Dec 18 01:06:58.189 INFO [stderr]     |         |
Dec 18 01:06:58.189 INFO [stderr]     |         help: remove this `mut`
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: method is never used: `is_row_empty`
Dec 18 01:06:58.189 INFO [stderr]    --> src/main.rs:411:5
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr] 411 |     fn is_row_empty(&self, row:usize) -> bool {
Dec 18 01:06:58.189 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: static variable `start_pos` should have an upper case name such as `START_POS`
Dec 18 01:06:58.189 INFO [stderr]   --> src/main.rs:20:1
Dec 18 01:06:58.189 INFO [stderr]    |
Dec 18 01:06:58.189 INFO [stderr] 20 | / static start_pos: Pos2D = Pos2D {
Dec 18 01:06:58.189 INFO [stderr] 21 | |     x: 5,
Dec 18 01:06:58.189 INFO [stderr] 22 | |     y: 2
Dec 18 01:06:58.189 INFO [stderr] 23 | | };
Dec 18 01:06:58.189 INFO [stderr]    | |__^
Dec 18 01:06:58.189 INFO [stderr]    |
Dec 18 01:06:58.189 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: static variable `tetris_board_width` should have an upper case name such as `TETRIS_BOARD_WIDTH`
Dec 18 01:06:58.189 INFO [stderr]   --> src/main.rs:24:1
Dec 18 01:06:58.189 INFO [stderr]    |
Dec 18 01:06:58.189 INFO [stderr] 24 | static tetris_board_width : usize = 12;
Dec 18 01:06:58.189 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: static variable `tetris_board_height` should have an upper case name such as `TETRIS_BOARD_HEIGHT`
Dec 18 01:06:58.189 INFO [stderr]   --> src/main.rs:25:1
Dec 18 01:06:58.189 INFO [stderr]    |
Dec 18 01:06:58.189 INFO [stderr] 25 | static tetris_board_height : usize = 24;
Dec 18 01:06:58.189 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:06:58.189 INFO [stderr]    --> src/main.rs:273:13
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr] 273 |             canvas.fill_rect(rect);
Dec 18 01:06:58.189 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:06:58.189 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: variable `randomTetrisPieceGenerator` should have a snake case name such as `random_tetris_piece_generator`
Dec 18 01:06:58.189 INFO [stderr]    --> src/main.rs:342:13
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr] 342 |         let mut randomTetrisPieceGenerator = RandomTetrisPieceGenerator::new();
Dec 18 01:06:58.189 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:06:58.189 INFO [stderr]    --> src/main.rs:556:9
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr] 556 |         canvas.fill_rect(rect);
Dec 18 01:06:58.189 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.189 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:06:58.189 INFO [stderr]    --> src/main.rs:661:13
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr] 661 |             canvas.fill_rect(Rect::new(0,0,width,height));
Dec 18 01:06:58.189 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.189 INFO [stderr]     |
Dec 18 01:06:58.189 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:06:58.189 INFO [stderr] 
Dec 18 01:06:58.312 INFO [stderr] warning: value assigned to `move_down_success` is never read
Dec 18 01:06:58.312 INFO [stderr]    --> src/main.rs:508:17
Dec 18 01:06:58.312 INFO [stderr]     |
Dec 18 01:06:58.312 INFO [stderr] 508 |         let mut move_down_success = true;
Dec 18 01:06:58.312 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.312 INFO [stderr]     |
Dec 18 01:06:58.324 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 01:06:58.324 INFO [stderr] 
Dec 18 01:06:58.411 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:06:58.411 INFO [stderr]    --> src/main.rs:613:9
Dec 18 01:06:58.411 INFO [stderr]     |
Dec 18 01:06:58.411 INFO [stderr] 613 |     let mut font = ttf_context.load_font(font_path, 28).unwrap();
Dec 18 01:06:58.411 INFO [stderr]     |         ----^^^^
Dec 18 01:06:58.411 INFO [stderr]     |         |
Dec 18 01:06:58.411 INFO [stderr]     |         help: remove this `mut`
Dec 18 01:06:58.411 INFO [stderr]     |
Dec 18 01:06:58.411 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 01:06:58.411 INFO [stderr] 
Dec 18 01:06:58.412 INFO [stderr] warning: method is never used: `is_row_empty`
Dec 18 01:06:58.412 INFO [stderr]    --> src/main.rs:411:5
Dec 18 01:06:58.412 INFO [stderr]     |
Dec 18 01:06:58.412 INFO [stderr] 411 |     fn is_row_empty(&self, row:usize) -> bool {
Dec 18 01:06:58.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.412 INFO [stderr]     |
Dec 18 01:06:58.412 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 01:06:58.412 INFO [stderr] 
Dec 18 01:06:58.412 INFO [stderr] warning: static variable `start_pos` should have an upper case name such as `START_POS`
Dec 18 01:06:58.412 INFO [stderr]   --> src/main.rs:20:1
Dec 18 01:06:58.412 INFO [stderr]    |
Dec 18 01:06:58.412 INFO [stderr] 20 | / static start_pos: Pos2D = Pos2D {
Dec 18 01:06:58.412 INFO [stderr] 21 | |     x: 5,
Dec 18 01:06:58.412 INFO [stderr] 22 | |     y: 2
Dec 18 01:06:58.412 INFO [stderr] 23 | | };
Dec 18 01:06:58.412 INFO [stderr]    | |__^
Dec 18 01:06:58.412 INFO [stderr]    |
Dec 18 01:06:58.412 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 18 01:06:58.412 INFO [stderr] 
Dec 18 01:06:58.412 INFO [stderr] warning: static variable `tetris_board_width` should have an upper case name such as `TETRIS_BOARD_WIDTH`
Dec 18 01:06:58.412 INFO [stderr]   --> src/main.rs:24:1
Dec 18 01:06:58.412 INFO [stderr]    |
Dec 18 01:06:58.412 INFO [stderr] 24 | static tetris_board_width : usize = 12;
Dec 18 01:06:58.412 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.412 INFO [stderr] 
Dec 18 01:06:58.412 INFO [stderr] warning: static variable `tetris_board_height` should have an upper case name such as `TETRIS_BOARD_HEIGHT`
Dec 18 01:06:58.412 INFO [stderr]   --> src/main.rs:25:1
Dec 18 01:06:58.412 INFO [stderr]    |
Dec 18 01:06:58.412 INFO [stderr] 25 | static tetris_board_height : usize = 24;
Dec 18 01:06:58.412 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.412 INFO [stderr] 
Dec 18 01:06:58.416 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:06:58.416 INFO [stderr]    --> src/main.rs:273:13
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr] 273 |             canvas.fill_rect(rect);
Dec 18 01:06:58.416 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:06:58.416 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:06:58.416 INFO [stderr] 
Dec 18 01:06:58.416 INFO [stderr] warning: variable `randomTetrisPieceGenerator` should have a snake case name such as `random_tetris_piece_generator`
Dec 18 01:06:58.416 INFO [stderr]    --> src/main.rs:342:13
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr] 342 |         let mut randomTetrisPieceGenerator = RandomTetrisPieceGenerator::new();
Dec 18 01:06:58.416 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 01:06:58.416 INFO [stderr] 
Dec 18 01:06:58.416 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:06:58.416 INFO [stderr]    --> src/main.rs:556:9
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr] 556 |         canvas.fill_rect(rect);
Dec 18 01:06:58.416 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:06:58.416 INFO [stderr] 
Dec 18 01:06:58.416 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:06:58.416 INFO [stderr]    --> src/main.rs:661:13
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr] 661 |             canvas.fill_rect(Rect::new(0,0,width,height));
Dec 18 01:06:58.416 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:06:58.416 INFO [stderr]     |
Dec 18 01:06:58.416 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:06:58.416 INFO [stderr] 
Dec 18 01:06:58.450 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
Dec 18 01:06:59.632 INFO running `"docker" "inspect" "974206a96180d637fb2776ba0e4dc40667635f527b461e3d3751ffebc9449f9a"`
Dec 18 01:07:00.010 INFO running `"docker" "rm" "-f" "974206a96180d637fb2776ba0e4dc40667635f527b461e3d3751ffebc9449f9a"`
Dec 18 01:07:00.328 INFO [stdout] 974206a96180d637fb2776ba0e4dc40667635f527b461e3d3751ffebc9449f9a