[INFO] updating cached repository https://github.com/pearisgreen/rs_tetris
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f17a145e9b49229da4b48724ef6a5851d7ff8221
[INFO] checking pearisgreen/rs_tetris against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpearisgreen%2Frs_tetris" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pearisgreen/rs_tetris on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pearisgreen/rs_tetris
[INFO] finished tweaking git repo https://github.com/pearisgreen/rs_tetris
[INFO] tweaked toml for git repo https://github.com/pearisgreen/rs_tetris written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/pearisgreen/rs_tetris already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec96916bfbb0c53c22be5126ba38e06be362d4c3c35eabde380c13ac6bc42d3a
[INFO] running `"docker" "start" "-a" "ec96916bfbb0c53c22be5126ba38e06be362d4c3c35eabde380c13ac6bc42d3a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rand v0.6.4
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking andrew v0.1.5
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking piston-gfx_texture v0.34.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.54.0
[INFO] [stderr]     Checking piston_window v0.85.0
[INFO] [stderr]     Checking tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core::cell::RefCell`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::Graphics`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use graphics::Graphics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `Entity_Manager` should have an upper camel case name
[INFO] [stderr]    --> src/main.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | struct Entity_Manager {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EntityManager`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `FPS_View` should have an upper camel case name
[INFO] [stderr]    --> src/main.rs:150:8
[INFO] [stderr]     |
[INFO] [stderr] 150 | struct FPS_View {
[INFO] [stderr]     |        ^^^^^^^^ help: convert the identifier to upper camel case: `FpsView`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:243:11
[INFO] [stderr]     |
[INFO] [stderr] 243 |         if(self.delta_move_time >= self.move_time) {
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_a`
[INFO] [stderr]   --> src/main.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |             if let Some(r_a) = e.render_args() {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_r_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bound`
[INFO] [stderr]    --> src/main.rs:170:67
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn draw(&self, c: &Context, g: &mut G2d, glyphs: &mut Glyphs, bound: &Rec){
[INFO] [stderr]     |                                                                   ^^^^^ help: consider prefixing with an underscore: `_bound`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> src/main.rs:218:13
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let size : u32 = FIELD_WIDTH/GRID_WIDTH;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `glyphs`
[INFO] [stderr]    --> src/main.rs:217:46
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn draw(&self, c: &Context, g: &mut G2d, glyphs: &mut Glyphs, bound: &Rec){
[INFO] [stderr]     |                                              ^^^^^^ help: consider prefixing with an underscore: `_glyphs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bound`
[INFO] [stderr]    --> src/main.rs:217:67
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn draw(&self, c: &Context, g: &mut G2d, glyphs: &mut Glyphs, bound: &Rec){
[INFO] [stderr]     |                                                                   ^^^^^ help: consider prefixing with an underscore: `_bound`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut glyphs = Glyphs::new(font, factory, TextureSettings::new()).unwrap();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     x: u32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     y: u32
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `pos`
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pos: Vec2,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dim`
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     dim: Vec2,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]    --> src/main.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     width: u32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]    --> src/main.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     height: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 | /         text::Text::new_color(self.color, 10).draw(
[INFO] [stderr] 174 | |             &fps_str,
[INFO] [stderr] 175 | |             glyphs,
[INFO] [stderr] 176 | |             &c.draw_state,
[INFO] [stderr] 177 | |             c.transform.trans(10.0,20.0), g
[INFO] [stderr] 178 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::cell::RefCell`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::Graphics`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use graphics::Graphics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `Entity_Manager` should have an upper camel case name
[INFO] [stderr]    --> src/main.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | struct Entity_Manager {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EntityManager`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `FPS_View` should have an upper camel case name
[INFO] [stderr]    --> src/main.rs:150:8
[INFO] [stderr]     |
[INFO] [stderr] 150 | struct FPS_View {
[INFO] [stderr]     |        ^^^^^^^^ help: convert the identifier to upper camel case: `FpsView`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:243:11
[INFO] [stderr]     |
[INFO] [stderr] 243 |         if(self.delta_move_time >= self.move_time) {
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_a`
[INFO] [stderr]   --> src/main.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |             if let Some(r_a) = e.render_args() {
[INFO] [stderr]    |                         ^^^ help: consider prefixing with an underscore: `_r_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bound`
[INFO] [stderr]    --> src/main.rs:170:67
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn draw(&self, c: &Context, g: &mut G2d, glyphs: &mut Glyphs, bound: &Rec){
[INFO] [stderr]     |                                                                   ^^^^^ help: consider prefixing with an underscore: `_bound`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> src/main.rs:218:13
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let size : u32 = FIELD_WIDTH/GRID_WIDTH;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `glyphs`
[INFO] [stderr]    --> src/main.rs:217:46
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn draw(&self, c: &Context, g: &mut G2d, glyphs: &mut Glyphs, bound: &Rec){
[INFO] [stderr]     |                                              ^^^^^^ help: consider prefixing with an underscore: `_glyphs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bound`
[INFO] [stderr]    --> src/main.rs:217:67
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn draw(&self, c: &Context, g: &mut G2d, glyphs: &mut Glyphs, bound: &Rec){
[INFO] [stderr]     |                                                                   ^^^^^ help: consider prefixing with an underscore: `_bound`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut glyphs = Glyphs::new(font, factory, TextureSettings::new()).unwrap();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     x: u32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     y: u32
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `pos`
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pos: Vec2,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dim`
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     dim: Vec2,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]    --> src/main.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     width: u32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]    --> src/main.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 |     height: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 173 | /         text::Text::new_color(self.color, 10).draw(
[INFO] [stderr] 174 | |             &fps_str,
[INFO] [stderr] 175 | |             glyphs,
[INFO] [stderr] 176 | |             &c.draw_state,
[INFO] [stderr] 177 | |             c.transform.trans(10.0,20.0), g
[INFO] [stderr] 178 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `"docker" "inspect" "ec96916bfbb0c53c22be5126ba38e06be362d4c3c35eabde380c13ac6bc42d3a"`
[INFO] running `"docker" "rm" "-f" "ec96916bfbb0c53c22be5126ba38e06be362d4c3c35eabde380c13ac6bc42d3a"`
[INFO] [stdout] ec96916bfbb0c53c22be5126ba38e06be362d4c3c35eabde380c13ac6bc42d3a