[INFO] cloning repository https://github.com/SylvanB/chip8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SylvanB/chip8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSylvanB%2Fchip8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSylvanB%2Fchip8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9701fc5951b94cb655fdcd49d88d606f17fa16ca
[INFO] checking SylvanB/chip8-rs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSylvanB%2Fchip8-rs" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SylvanB/chip8-rs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SylvanB/chip8-rs
[INFO] finished tweaking git repo https://github.com/SylvanB/chip8-rs
[INFO] tweaked toml for git repo https://github.com/SylvanB/chip8-rs written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/SylvanB/chip8-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 97e166496e30eadc23e993c4cb39674d0869f64c2475c7022b857c171fc9f2b5
[INFO] running `Command { std: "docker" "start" "-a" "97e166496e30eadc23e993c4cb39674d0869f64c2475c7022b857c171fc9f2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e166496e30eadc23e993c4cb39674d0869f64c2475c7022b857c171fc9f2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e166496e30eadc23e993c4cb39674d0869f64c2475c7022b857c171fc9f2b5", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af4bf6ce6f66ec8a5e66da3611aa7f633a4cda169b74814f11a656c7b55a138a
[INFO] running `Command { std: "docker" "start" "-a" "af4bf6ce6f66ec8a5e66da3611aa7f633a4cda169b74814f11a656c7b55a138a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
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[INFO] [stderr]     Checking chip8_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TryFrom`, `TryInto`
[INFO] [stdout]  --> src/keyboard/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryFrom`, `TryInto`
[INFO] [stdout]  --> src/keyboard/dummy_keyboard.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryFrom`, `TryInto`, `error::Error`
[INFO] [stdout]  --> src/keyboard/minifb_keyboard.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Key`
[INFO] [stdout]  --> src/keyboard/minifb_keyboard.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use minifb::{Key, Window};
[INFO] [stdout]   |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryFrom`, `TryInto`
[INFO] [stdout]  --> src/keyboard/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryFrom`, `TryInto`
[INFO] [stdout]  --> src/keyboard/dummy_keyboard.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::{TryFrom, TryInto};
[INFO] [stdout]   |                    ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryFrom`, `TryInto`, `error::Error`
[INFO] [stdout]  --> src/keyboard/minifb_keyboard.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^
[INFO] [stdout] 4 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Key`
[INFO] [stdout]  --> src/keyboard/minifb_keyboard.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use minifb::{Key, Window};
[INFO] [stdout]   |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/keyboard/dummy_keyboard.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_state(&mut self, keys: &[u8]) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/cpu.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn execute(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initialise`
[INFO] [stdout]   --> src/keyboard/dummy_keyboard.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn initialise() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_keydowns`
[INFO] [stdout]   --> src/keyboard/dummy_keyboard.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_current_keydowns(&self) -> &Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window`
[INFO] [stdout]   --> src/keyboard/minifb_keyboard.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     window: &'keyboard Rc<RefCell<Window>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PROGRAM_START_OFFSET`
[INFO] [stdout]  --> src/memory.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) const PROGRAM_START_OFFSET: usize = 0x200;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ETI_600_PROGRAM_START_OFFSET`
[INFO] [stdout]   --> src/memory.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const ETI_600_PROGRAM_START_OFFSET: usize = 0x600;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_instruction`
[INFO] [stdout]    --> src/memory.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn insert_instruction(&mut self, index: usize, ins: u16) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `id`
[INFO] [stdout]   --> src/opcode.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn id(&self) -> u8 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/keyboard/dummy_keyboard.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn update_state(&mut self, keys: &[u8]) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/cpu.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn execute(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_keydowns`
[INFO] [stdout]   --> src/keyboard/dummy_keyboard.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_current_keydowns(&self) -> &Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window`
[INFO] [stdout]   --> src/keyboard/minifb_keyboard.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     window: &'keyboard Rc<RefCell<Window>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PROGRAM_START_OFFSET`
[INFO] [stdout]  --> src/memory.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) const PROGRAM_START_OFFSET: usize = 0x200;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ETI_600_PROGRAM_START_OFFSET`
[INFO] [stdout]   --> src/memory.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) const ETI_600_PROGRAM_START_OFFSET: usize = 0x600;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.64s
[INFO] running `Command { std: "docker" "inspect" "af4bf6ce6f66ec8a5e66da3611aa7f633a4cda169b74814f11a656c7b55a138a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4bf6ce6f66ec8a5e66da3611aa7f633a4cda169b74814f11a656c7b55a138a", kill_on_drop: false }`
[INFO] [stdout] af4bf6ce6f66ec8a5e66da3611aa7f633a4cda169b74814f11a656c7b55a138a