[INFO] cloning repository https://github.com/wizh/rusty-8
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wizh/rusty-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizh%2Frusty-8"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizh%2Frusty-8'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 349927b9acc136cc13f1b8de3a3b3801a40193b7
[INFO] checking wizh/rusty-8 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizh%2Frusty-8" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wizh/rusty-8 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wizh/rusty-8
[INFO] finished tweaking git repo https://github.com/wizh/rusty-8
[INFO] tweaked toml for git repo https://github.com/wizh/rusty-8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wizh/rusty-8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 77aee0a0a983040721a6053647f3ae657c03a6718e5d788b00cc23e5272edd5a
[INFO] running `"docker" "start" "-a" "77aee0a0a983040721a6053647f3ae657c03a6718e5d788b00cc23e5272edd5a"`
[INFO] [stderr]    Compiling sdl2-sys v0.25.0
[INFO] [stderr]     Checking sdl2 v0.25.0
[INFO] [stderr]     Checking rusty-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `emulator`
[INFO] [stderr]  --> src/keypad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emulator;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `emulator`
[INFO] [stderr]  --> src/keypad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emulator;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_state`
[INFO] [stderr]    --> src/cpu.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn print_state(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/display.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     height: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/display.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_KEYS`
[INFO] [stderr]   --> src/emulator.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const NUM_KEYS: usize = 0xf;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keypad`
[INFO] [stderr]   --> src/emulator.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     keypad: Keypad,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     rom_fd.read_to_end(&mut rom_buf);
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         renderer.set_scale((emulator::SCALE) as f32,
[INFO] [stderr] 24 | |                            (emulator::SCALE) as f32);
[INFO] [stderr]    | |_____________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 self.renderer.draw_point(Point::new(x as i32, y as i32));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_state`
[INFO] [stderr]    --> src/cpu.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn print_state(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/display.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     height: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/display.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_KEYS`
[INFO] [stderr]   --> src/emulator.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const NUM_KEYS: usize = 0xf;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keypad`
[INFO] [stderr]   --> src/emulator.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     keypad: Keypad,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     rom_fd.read_to_end(&mut rom_buf);
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         renderer.set_scale((emulator::SCALE) as f32,
[INFO] [stderr] 24 | |                            (emulator::SCALE) as f32);
[INFO] [stderr]    | |_____________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 self.renderer.draw_point(Point::new(x as i32, y as i32));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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 8.09s
[INFO] running `"docker" "inspect" "77aee0a0a983040721a6053647f3ae657c03a6718e5d788b00cc23e5272edd5a"`
[INFO] running `"docker" "rm" "-f" "77aee0a0a983040721a6053647f3ae657c03a6718e5d788b00cc23e5272edd5a"`
[INFO] [stdout] 77aee0a0a983040721a6053647f3ae657c03a6718e5d788b00cc23e5272edd5a