[INFO] cloning repository https://github.com/magey3/chip8-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magey3/chip8-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagey3%2Fchip8-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagey3%2Fchip8-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c72a24b49c8e9c714e60e196f797ed71b3e5bcc
[INFO] checking magey3/chip8-emu against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagey3%2Fchip8-emu" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/magey3/chip8-emu
[INFO] finished tweaking git repo https://github.com/magey3/chip8-emu
[INFO] tweaked toml for git repo https://github.com/magey3/chip8-emu written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/magey3/chip8-emu on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/magey3/chip8-emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded c_vec v1.3.3
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded sdl2 v0.34.3
[INFO] [stderr]   Downloaded sdl2-sys v0.34.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7843d5364e9b49149887667c18a15566df1dedbc216a8f431020399c8b0e5e32
[INFO] running `Command { std: "docker" "start" "-a" "7843d5364e9b49149887667c18a15566df1dedbc216a8f431020399c8b0e5e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7843d5364e9b49149887667c18a15566df1dedbc216a8f431020399c8b0e5e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7843d5364e9b49149887667c18a15566df1dedbc216a8f431020399c8b0e5e32", kill_on_drop: false }`
[INFO] [stdout] 7843d5364e9b49149887667c18a15566df1dedbc216a8f431020399c8b0e5e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec67625e4f3cc74884b67c8708de7bb26920bb4f6dfdf1beb424776e5b41033
[INFO] running `Command { std: "docker" "start" "-a" "1ec67625e4f3cc74884b67c8708de7bb26920bb4f6dfdf1beb424776e5b41033", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking chip8-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VideoSubsystem`
[INFO] [stdout]  --> src/graphics.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::{self, VideoSubsystem};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::Display`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use graphics::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::opcode::*`
[INFO] [stdout]   --> src/main.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use crate::opcode::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VideoSubsystem`
[INFO] [stdout]  --> src/graphics.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::{self, VideoSubsystem};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::Display`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use graphics::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/execute.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout] 204 |         _ => panic!("Unsupported opcode at {:#x}", state.program_counter),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/execute.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout]   8 |         OpCode::CallMCodeSubroutine(n) => {
[INFO] [stdout]     |         ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  12 |         OpCode::ClearScreen => {
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  16 |         OpCode::SubroutineRet => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  24 |         OpCode::Goto(x) => {
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 204 |         _ => panic!("Unsupported opcode at {:#x}", state.program_counter),
[INFO] [stdout]     |         ^ ...and 31 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/execute.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |         OpCode::CallMCodeSubroutine(n) => {
[INFO] [stdout]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/execute.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         OpCode::SkipNextIfKeyPressed(key) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/execute.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |         OpCode::SkipNextIfNotPressed(key) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/execute.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |         OpCode::GetKey(vx) => {
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/execute.rs:182:36
[INFO] [stdout]     |
[INFO] [stdout] 182 |         OpCode::SetIndexToSpriteLocation(vx) => {
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 graphics::DisplayEvent::Quit => break 'main,
[INFO] [stdout]     |                 ---------------------------- matches all the relevant values
[INFO] [stdout] 304 |                 _ => {}
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/execute.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout] 204 |         _ => panic!("Unsupported opcode at {:#x}", state.program_counter),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/execute.rs:204:3
[INFO] [stdout]     |
[INFO] [stdout]   8 |         OpCode::CallMCodeSubroutine(n) => {
[INFO] [stdout]     |         ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  12 |         OpCode::ClearScreen => {
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  16 |         OpCode::SubroutineRet => {
[INFO] [stdout]     |         --------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  24 |         OpCode::Goto(x) => {
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 204 |         _ => panic!("Unsupported opcode at {:#x}", state.program_counter),
[INFO] [stdout]     |         ^ ...and 31 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/execute.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |         OpCode::CallMCodeSubroutine(n) => {
[INFO] [stdout]   |                                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/execute.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |         OpCode::SkipNextIfKeyPressed(key) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/execute.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |         OpCode::SkipNextIfNotPressed(key) => {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/execute.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 |         OpCode::GetKey(vx) => {
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vx`
[INFO] [stdout]    --> src/execute.rs:182:36
[INFO] [stdout]     |
[INFO] [stdout] 182 |         OpCode::SetIndexToSpriteLocation(vx) => {
[INFO] [stdout]     |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 graphics::DisplayEvent::Quit => break 'main,
[INFO] [stdout]     |                 ---------------------------- matches all the relevant values
[INFO] [stdout] 304 |                 _ => {}
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "1ec67625e4f3cc74884b67c8708de7bb26920bb4f6dfdf1beb424776e5b41033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec67625e4f3cc74884b67c8708de7bb26920bb4f6dfdf1beb424776e5b41033", kill_on_drop: false }`
[INFO] [stdout] 1ec67625e4f3cc74884b67c8708de7bb26920bb4f6dfdf1beb424776e5b41033
