[INFO] cloning repository https://github.com/pdamianik/Chip8Emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pdamianik/Chip8Emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdamianik%2FChip8Emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdamianik%2FChip8Emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77711f09b732dafb5a7a32bbcd4c0b2ad6daee0d
[INFO] checking pdamianik/Chip8Emu against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdamianik%2FChip8Emu" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pdamianik/Chip8Emu on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pdamianik/Chip8Emu
[INFO] finished tweaking git repo https://github.com/pdamianik/Chip8Emu
[INFO] tweaked toml for git repo https://github.com/pdamianik/Chip8Emu written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/pdamianik/Chip8Emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 124b278c598ac487ac9f3f5465c06481b6b7e1b01fb9ccf37b98e2344d44a2d3
[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" "124b278c598ac487ac9f3f5465c06481b6b7e1b01fb9ccf37b98e2344d44a2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "124b278c598ac487ac9f3f5465c06481b6b7e1b01fb9ccf37b98e2344d44a2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124b278c598ac487ac9f3f5465c06481b6b7e1b01fb9ccf37b98e2344d44a2d3", kill_on_drop: false }`
[INFO] [stdout] 124b278c598ac487ac9f3f5465c06481b6b7e1b01fb9ccf37b98e2344d44a2d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a913c88d78f76eed5bafdf13449b80d5aa63bddc4e38e4ac4723f71412516b7e
[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" "a913c88d78f76eed5bafdf13449b80d5aa63bddc4e38e4ac4723f71412516b7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chip8emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `changes`
[INFO] [stdout]    --> src/frontend/term.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn init(changes: Receiver<DisplayCmd>, keyboard_sender: Sender<[u8; 4]>, beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_changes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyboard_sender`
[INFO] [stdout]    --> src/frontend/term.rs:145:44
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn init(changes: Receiver<DisplayCmd>, keyboard_sender: Sender<[u8; 4]>, beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `beep`
[INFO] [stdout]    --> src/frontend/term.rs:145:78
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn init(changes: Receiver<DisplayCmd>, keyboard_sender: Sender<[u8; 4]>, beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |                                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_beep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `changes`
[INFO] [stdout]    --> src/frontend/term.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn init(changes: Receiver<DisplayCmd>, keyboard_sender: Sender<[u8; 4]>, beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_changes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keyboard_sender`
[INFO] [stdout]    --> src/frontend/term.rs:145:44
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn init(changes: Receiver<DisplayCmd>, keyboard_sender: Sender<[u8; 4]>, beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keyboard_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `beep`
[INFO] [stdout]    --> src/frontend/term.rs:145:78
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn init(changes: Receiver<DisplayCmd>, keyboard_sender: Sender<[u8; 4]>, beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |                                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_beep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXEC_SPEED`
[INFO] [stdout]    --> src/emu.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | const EXEC_SPEED: u64 = 700;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXEC_DELAY`
[INFO] [stdout]    --> src/emu.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | const EXEC_DELAY: Duration = Duration::from_nanos(1_000_000_000u64/EXEC_SPEED);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_ui`
[INFO] [stdout]   --> src/frontend/term.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn render_ui() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_change`
[INFO] [stdout]   --> src/frontend/term.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn render_change(change: DisplayCmd) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_changes`
[INFO] [stdout]   --> src/frontend/term.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn render_changes(display_cmds: Receiver<DisplayCmd>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keyboard_init`
[INFO] [stdout]    --> src/frontend/term.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn keyboard_init(sender: Sender<[u8; 4]>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bell_init`
[INFO] [stdout]    --> src/frontend/term.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn bell_init(beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `console_exit`
[INFO] [stdout]    --> src/frontend/term.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn console_exit() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXEC_SPEED`
[INFO] [stdout]    --> src/emu.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | const EXEC_SPEED: u64 = 700;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXEC_DELAY`
[INFO] [stdout]    --> src/emu.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | const EXEC_DELAY: Duration = Duration::from_nanos(1_000_000_000u64/EXEC_SPEED);
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_ui`
[INFO] [stdout]   --> src/frontend/term.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn render_ui() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_change`
[INFO] [stdout]   --> src/frontend/term.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn render_change(change: DisplayCmd) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_changes`
[INFO] [stdout]   --> src/frontend/term.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn render_changes(display_cmds: Receiver<DisplayCmd>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `keyboard_init`
[INFO] [stdout]    --> src/frontend/term.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn keyboard_init(sender: Sender<[u8; 4]>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bell_init`
[INFO] [stdout]    --> src/frontend/term.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn bell_init(beep: Arc<Mutex<bool>>) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `console_exit`
[INFO] [stdout]    --> src/frontend/term.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn console_exit() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "a913c88d78f76eed5bafdf13449b80d5aa63bddc4e38e4ac4723f71412516b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a913c88d78f76eed5bafdf13449b80d5aa63bddc4e38e4ac4723f71412516b7e", kill_on_drop: false }`
[INFO] [stdout] a913c88d78f76eed5bafdf13449b80d5aa63bddc4e38e4ac4723f71412516b7e