[INFO] cloning repository smt923/chip8
[INFO] running `"git" "clone" "--bare" "git://github.com/smt923/chip8.git" "work/cache/sources/gh/smt923/chip8"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/smt923/chip8'...
[INFO] running `"git" "clone" "work/cache/sources/gh/smt923/chip8" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/smt923/chip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/smt923/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/smt923/chip8" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smt923/chip8"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smt923/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a040c2fd498a6fa3c697f7a10b61064bbb0c9a24
[INFO] sha for GitHub repo smt923/chip8: a040c2fd498a6fa3c697f7a10b61064bbb0c9a24
[INFO] validating manifest of smt923/chip8 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of smt923/chip8 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing smt923/chip8
[INFO] finished frobbing smt923/chip8
[INFO] frobbed toml for smt923/chip8 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/smt923/chip8/Cargo.toml
[INFO] started frobbing smt923/chip8
[INFO] finished frobbing smt923/chip8
[INFO] frobbed toml for smt923/chip8 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smt923/chip8/Cargo.toml
[INFO] crate smt923/chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking smt923/chip8 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/smt923/chip8:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0c8b412dcaae5ba3f9c4536502e41a468dbd748bee15d94d8b0d8066568e0fc4
[INFO] running `"docker" "start" "-a" "0c8b412dcaae5ba3f9c4536502e41a468dbd748bee15d94d8b0d8066568e0fc4"`
[INFO] [stderr]     Checking chip8 v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/chip8.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/chip8.rs:290:35
[INFO] [stderr]     |
[INFO] [stderr] 290 |                     let mut idx = (x + xl + ((y + yl as usize) * SCREEN_W));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Chip8`
[INFO] [stderr]  --> src/display.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use chip8::{SCREEN_H, SCREEN_W, Chip8};
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `display::Display`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use display::Display;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `input::Input`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use input::Input;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::pixels`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use sdl2::pixels;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/chip8.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr] warning: label name `'running` shadows a label name that is already in scope
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |         'running: loop {
[INFO] [stderr]    |         -------- first declared here
[INFO] [stderr] ...
[INFO] [stderr] 73 |     'running: loop {
[INFO] [stderr]    |     ^^^^^^^^ lifetime 'running already in scope
[INFO] [stderr] 
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/chip8.rs:290:35
[INFO] [stderr]     |
[INFO] [stderr] 290 |                     let mut idx = (x + xl + ((y + yl as usize) * SCREEN_W));
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Chip8`
[INFO] [stderr]  --> src/display.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use chip8::{SCREEN_H, SCREEN_W, Chip8};
[INFO] [stderr]   |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `display::Display`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use display::Display;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `input::Input`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use input::Input;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::pixels`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use sdl2::pixels;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: label name `'running` shadows a label name that is already in scope
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |         'running: loop {
[INFO] [stderr]    |         -------- first declared here
[INFO] [stderr] ...
[INFO] [stderr] 73 |     'running: loop {
[INFO] [stderr]    |     ^^^^^^^^ lifetime 'running already in scope
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/chip8.rs:383:23
[INFO] [stderr]     |
[INFO] [stderr] 383 |         stack = stack.trim_right_matches(" ").to_string();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/chip8.rs:400:21
[INFO] [stderr]     |
[INFO] [stderr] 400 |         regs = regs.trim_right_matches(" ").to_string();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/chip8.rs:383:23
[INFO] [stderr]     |
[INFO] [stderr] 383 |         stack = stack.trim_right_matches(" ").to_string();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/chip8.rs:400:21
[INFO] [stderr]     |
[INFO] [stderr] 400 |         regs = regs.trim_right_matches(" ").to_string();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chip8.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let mut n = rand::thread_rng().gen_range(0, 255);
[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: structure field `V` should have a snake case name
[INFO] [stderr]   --> src/chip8.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     V: [u8; 16],
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `xA` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:268:8
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn xA(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xB` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:272:8
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn xB(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_b`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xC` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:275:8
[INFO] [stderr]     |
[INFO] [stderr] 275 |     fn xC(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_c`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xD` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:280:8
[INFO] [stderr]     |
[INFO] [stderr] 280 |     fn xD(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_d`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xE` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:306:8
[INFO] [stderr]     |
[INFO] [stderr] 306 |     fn xE(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_e`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xF` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:314:8
[INFO] [stderr]     |
[INFO] [stderr] 314 |     fn xF(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_f`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/chip8.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |         let mut n = rand::thread_rng().gen_range(0, 255);
[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: structure field `V` should have a snake case name
[INFO] [stderr]   --> src/chip8.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     V: [u8; 16],
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `xA` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:268:8
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn xA(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xB` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:272:8
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn xB(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_b`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xC` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:275:8
[INFO] [stderr]     |
[INFO] [stderr] 275 |     fn xC(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_c`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xD` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:280:8
[INFO] [stderr]     |
[INFO] [stderr] 280 |     fn xD(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_d`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xE` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:306:8
[INFO] [stderr]     |
[INFO] [stderr] 306 |     fn xE(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_e`
[INFO] [stderr] 
[INFO] [stderr] warning: method `xF` should have a snake case name
[INFO] [stderr]    --> src/chip8.rs:314:8
[INFO] [stderr]     |
[INFO] [stderr] 314 |     fn xF(&mut self) {
[INFO] [stderr]     |        ^^ help: convert the identifier to snake case: `x_f`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "0c8b412dcaae5ba3f9c4536502e41a468dbd748bee15d94d8b0d8066568e0fc4"`
[INFO] running `"docker" "rm" "-f" "0c8b412dcaae5ba3f9c4536502e41a468dbd748bee15d94d8b0d8066568e0fc4"`
[INFO] [stdout] 0c8b412dcaae5ba3f9c4536502e41a468dbd748bee15d94d8b0d8066568e0fc4