[INFO] cloning repository https://github.com/winfield/CHIP-9
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winfield/CHIP-9" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinfield%2FCHIP-9", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinfield%2FCHIP-9'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f60df6fcd1f7feab2eaa13f4022ea00aaab8298
[INFO] checking winfield/CHIP-9 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinfield%2FCHIP-9" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/winfield/CHIP-9 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/winfield/CHIP-9
[INFO] finished tweaking git repo https://github.com/winfield/CHIP-9
[INFO] tweaked toml for git repo https://github.com/winfield/CHIP-9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/winfield/CHIP-9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d61aa306f03dae8b0084cc1d766e5a0aeedfb38e896704883cc9c9d0080c96f
[INFO] running `Command { std: "docker" "start" "-a" "5d61aa306f03dae8b0084cc1d766e5a0aeedfb38e896704883cc9c9d0080c96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d61aa306f03dae8b0084cc1d766e5a0aeedfb38e896704883cc9c9d0080c96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d61aa306f03dae8b0084cc1d766e5a0aeedfb38e896704883cc9c9d0080c96f", kill_on_drop: false }`
[INFO] [stdout] 5d61aa306f03dae8b0084cc1d766e5a0aeedfb38e896704883cc9c9d0080c96f
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50b4d36a3e07b014332995343cbcaa432a01a8b68519e1e70d9ea86a44974889
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50b4d36a3e07b014332995343cbcaa432a01a8b68519e1e70d9ea86a44974889", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking chip-9 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     i: u16,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `v`
[INFO] [stdout]   --> src/cpu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     v: [u8; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/cpu.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     stack: [u16; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/cpu.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     sp: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dt`
[INFO] [stdout]   --> src/cpu.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     dt: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]   --> src/cpu.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     rng: ThreadRng,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/cpu.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/cpu.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_opcode`
[INFO] [stdout]   --> src/cpu.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn process_opcode(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `screen`
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     screen: [u8; WIDTH * HEIGHT],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pixel`
[INFO] [stdout]   --> src/display.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn set_pixel(&mut self, x: usize, y: usize, on: bool) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel`
[INFO] [stdout]   --> src/display.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn get_pixel(&mut self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cls`
[INFO] [stdout]   --> src/display.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn cls(&mut self) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/display.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn draw(&mut self, x: usize, y: usize, sprite: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_SET`
[INFO] [stdout]   --> src/display.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | / pub static FONT_SET: [u8; 80] = [
[INFO] [stdout] 58 | |     0xF0, 0x90, 0x90, 0x90, 0xF0, // 0
[INFO] [stdout] 59 | |     0x20, 0x60, 0x20, 0x20, 0x70, // 1
[INFO] [stdout] 60 | |     0xF0, 0x10, 0xF0, 0x80, 0xF0, // 2
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     0xF0, 0x80, 0xF0, 0x80, 0x80, // F
[INFO] [stdout] 74 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Keypad`
[INFO] [stdout]  --> src/keypad.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Keypad {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/keypad.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn new() -> Keypad {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_down`
[INFO] [stdout]   --> src/keypad.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn key_down(&mut self, index: u8) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_up`
[INFO] [stdout]   --> src/keypad.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn key_up(&mut self, index: u8) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_key_down`
[INFO] [stdout]   --> src/keypad.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn is_key_down(&self, index: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_panic_hook`
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.17
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.17
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/cpu.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn reset(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_SET`
[INFO] [stdout]   --> src/display.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | / pub static FONT_SET: [u8; 80] = [
[INFO] [stdout] 58 | |     0xF0, 0x90, 0x90, 0x90, 0xF0, // 0
[INFO] [stdout] 59 | |     0x20, 0x60, 0x20, 0x20, 0x70, // 1
[INFO] [stdout] 60 | |     0xF0, 0x10, 0xF0, 0x80, 0xF0, // 2
[INFO] [stdout] ...  |
[INFO] [stdout] 73 | |     0xF0, 0x80, 0xF0, 0x80, 0x80, // F
[INFO] [stdout] 74 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Keypad`
[INFO] [stdout]  --> src/keypad.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Keypad {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/keypad.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn new() -> Keypad {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_down`
[INFO] [stdout]   --> src/keypad.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn key_down(&mut self, index: u8) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_up`
[INFO] [stdout]   --> src/keypad.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn key_up(&mut self, index: u8) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_key_down`
[INFO] [stdout]   --> src/keypad.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn is_key_down(&self, index: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_panic_hook`
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.07s
[INFO] running `Command { std: "docker" "inspect" "50b4d36a3e07b014332995343cbcaa432a01a8b68519e1e70d9ea86a44974889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b4d36a3e07b014332995343cbcaa432a01a8b68519e1e70d9ea86a44974889", kill_on_drop: false }`
[INFO] [stdout] 50b4d36a3e07b014332995343cbcaa432a01a8b68519e1e70d9ea86a44974889