[INFO] updating cached repository https://github.com/Rowmance/Chip8
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 402a8ba49253521f7d64cf9b201b74a452826c5f
[INFO] checking Rowmance/Chip8 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FRowmance%2FChip8" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rowmance/Chip8 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Rowmance/Chip8
[INFO] finished tweaking git repo https://github.com/Rowmance/Chip8
[INFO] tweaked toml for git repo https://github.com/Rowmance/Chip8 written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Rowmance/Chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 13d6fa852d58d06e248f702cf334995b81a80dc115365a5599ebf6b069cd8d45
[INFO] running `"docker" "start" "-a" "13d6fa852d58d06e248f702cf334995b81a80dc115365a5599ebf6b069cd8d45"`
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `sdl2::event::Event`
[INFO] [stderr]  --> src/keypad.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sdl2::event::Event;
[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/io.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use graphics::Graphics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::rect::Point`
[INFO] [stderr]  --> src/io.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::rect::Point;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/io.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::Graphics`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use graphics::Graphics;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `keypad::Keypad`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use keypad::Keypad;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::event::Event`
[INFO] [stderr]  --> src/keypad.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sdl2::event::Event;
[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/io.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use graphics::Graphics;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::rect::Point`
[INFO] [stderr]  --> src/io.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::rect::Point;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/io.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::Graphics`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use graphics::Graphics;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `keypad::Keypad`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use keypad::Keypad;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ld_key`
[INFO] [stderr]    --> src/cpu.rs:318:5
[INFO] [stderr]     |
[INFO] [stderr] 318 |     fn ld_key(&mut self, x: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PONG`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / const PONG: [u8; 246] = [
[INFO] [stderr] 21 | |     0x6a, 0x02, 0x6b, 0x0c, 0x6c, 0x3f, 0x6d, 0x0c, 0xa2, 0xea, 0xda, 0xb6, 0xdc, 0xd6, 0x6e, 0x00,
[INFO] [stderr] 22 | |     0x22, 0xd4, 0x66, 0x03, 0x68, 0x02, 0x60, 0x60, 0xf0, 0x15, 0xf0, 0x07, 0x30, 0x00, 0x12, 0x1a,
[INFO] [stderr] 23 | |     0xc7, 0x17, 0x77, 0x08, 0x69, 0xff, 0xa2, 0xf0, 0xd6, 0x71, 0xa2, 0xea, 0xda, 0xb6, 0xdc, 0xd6,
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     0x80, 0x00, 0x00, 0x00, 0x00, 0x00
[INFO] [stderr] 37 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEST`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / const TEST: [u8; 470] = [
[INFO] [stderr] 40 | |     0x00, 0xe0, 0x63, 0x00, 0x64, 0x01, 0x65, 0xee, 0x35, 0xee, 0x13, 0x10, 0x63, 0x00, 0x64, 0x02,
[INFO] [stderr] 41 | |     0x65, 0xee, 0x66, 0xee, 0x55, 0x60, 0x13, 0x10, 0x63, 0x00, 0x64, 0x03, 0x65, 0xee, 0x45, 0xfd,
[INFO] [stderr] 42 | |     0x13, 0x10, 0x63, 0x00, 0x64, 0x04, 0x65, 0xee, 0x75, 0x01, 0x35, 0xef, 0x13, 0x10, 0x63, 0x00,
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |     0x00, 0x00, 0x00, 0x00, 0x00, 0x00
[INFO] [stderr] 70 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEST2`
[INFO] [stderr]   --> src/main.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | / const TEST2: [u8; 176] = [
[INFO] [stderr] 73 | |     0x22, 0x80, 0xcc, 0x01, 0x4c, 0x01, 0x12, 0x16, 0xca, 0x3e, 0x6b, 0x02, 0x4a, 0x00, 0x12, 0x02,
[INFO] [stderr] 74 | |     0xa2, 0xa1, 0xda, 0xb1, 0x12, 0x24, 0xcb, 0x1e, 0x6a, 0x02, 0x4b, 0x00, 0x12, 0x02, 0xa2, 0xa1,
[INFO] [stderr] 75 | |     0xda, 0xb1, 0x00, 0x00, 0xcd, 0x03, 0x4d, 0x00, 0x7a, 0xff, 0x4a, 0x01, 0x7a, 0x02, 0x4d, 0x01,
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |     0xff, 0x80, 0x6b, 0x01, 0xa2, 0xa1, 0xda, 0xb1, 0x7b, 0x01, 0x3b, 0x1f, 0x12, 0xa4, 0x00, 0xee
[INFO] [stderr] 84 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 self.canvas.fill_rect(Rect::new((x * SCALE) as i32, (y * SCALE) as i32, SCALE, SCALE));
[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: method is never used: `ld_key`
[INFO] [stderr]    --> src/cpu.rs:318:5
[INFO] [stderr]     |
[INFO] [stderr] 318 |     fn ld_key(&mut self, x: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PONG`
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / const PONG: [u8; 246] = [
[INFO] [stderr] 21 | |     0x6a, 0x02, 0x6b, 0x0c, 0x6c, 0x3f, 0x6d, 0x0c, 0xa2, 0xea, 0xda, 0xb6, 0xdc, 0xd6, 0x6e, 0x00,
[INFO] [stderr] 22 | |     0x22, 0xd4, 0x66, 0x03, 0x68, 0x02, 0x60, 0x60, 0xf0, 0x15, 0xf0, 0x07, 0x30, 0x00, 0x12, 0x1a,
[INFO] [stderr] 23 | |     0xc7, 0x17, 0x77, 0x08, 0x69, 0xff, 0xa2, 0xf0, 0xd6, 0x71, 0xa2, 0xea, 0xda, 0xb6, 0xdc, 0xd6,
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     0x80, 0x00, 0x00, 0x00, 0x00, 0x00
[INFO] [stderr] 37 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEST`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | / const TEST: [u8; 470] = [
[INFO] [stderr] 40 | |     0x00, 0xe0, 0x63, 0x00, 0x64, 0x01, 0x65, 0xee, 0x35, 0xee, 0x13, 0x10, 0x63, 0x00, 0x64, 0x02,
[INFO] [stderr] 41 | |     0x65, 0xee, 0x66, 0xee, 0x55, 0x60, 0x13, 0x10, 0x63, 0x00, 0x64, 0x03, 0x65, 0xee, 0x45, 0xfd,
[INFO] [stderr] 42 | |     0x13, 0x10, 0x63, 0x00, 0x64, 0x04, 0x65, 0xee, 0x75, 0x01, 0x35, 0xef, 0x13, 0x10, 0x63, 0x00,
[INFO] [stderr] ...  |
[INFO] [stderr] 69 | |     0x00, 0x00, 0x00, 0x00, 0x00, 0x00
[INFO] [stderr] 70 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TEST2`
[INFO] [stderr]   --> src/main.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | / const TEST2: [u8; 176] = [
[INFO] [stderr] 73 | |     0x22, 0x80, 0xcc, 0x01, 0x4c, 0x01, 0x12, 0x16, 0xca, 0x3e, 0x6b, 0x02, 0x4a, 0x00, 0x12, 0x02,
[INFO] [stderr] 74 | |     0xa2, 0xa1, 0xda, 0xb1, 0x12, 0x24, 0xcb, 0x1e, 0x6a, 0x02, 0x4b, 0x00, 0x12, 0x02, 0xa2, 0xa1,
[INFO] [stderr] 75 | |     0xda, 0xb1, 0x00, 0x00, 0xcd, 0x03, 0x4d, 0x00, 0x7a, 0xff, 0x4a, 0x01, 0x7a, 0x02, 0x4d, 0x01,
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |     0xff, 0x80, 0x6b, 0x01, 0xa2, 0xa1, 0xda, 0xb1, 0x7b, 0x01, 0x3b, 0x1f, 0x12, 0xa4, 0x00, 0xee
[INFO] [stderr] 84 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 self.canvas.fill_rect(Rect::new((x * SCALE) as i32, (y * SCALE) as i32, SCALE, SCALE));
[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 8.83s
[INFO] running `"docker" "inspect" "13d6fa852d58d06e248f702cf334995b81a80dc115365a5599ebf6b069cd8d45"`
[INFO] running `"docker" "rm" "-f" "13d6fa852d58d06e248f702cf334995b81a80dc115365a5599ebf6b069cd8d45"`
[INFO] [stdout] 13d6fa852d58d06e248f702cf334995b81a80dc115365a5599ebf6b069cd8d45