[INFO] cloning repository https://github.com/carcharo/Chip8Emulator-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carcharo/Chip8Emulator-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarcharo%2FChip8Emulator-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarcharo%2FChip8Emulator-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 417572ec4456f958ce4a378e0c0657a11d48fa13
[INFO] testing carcharo/Chip8Emulator-Rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarcharo%2FChip8Emulator-Rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carcharo/Chip8Emulator-Rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carcharo/Chip8Emulator-Rust
[INFO] finished tweaking git repo https://github.com/carcharo/Chip8Emulator-Rust
[INFO] tweaked toml for git repo https://github.com/carcharo/Chip8Emulator-Rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/carcharo/Chip8Emulator-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff9a12560a137f4d07635ab99c493aa5e4b5cfa2d138a434fcec270c27a602df
[INFO] running `Command { std: "docker" "start" "-a" "ff9a12560a137f4d07635ab99c493aa5e4b5cfa2d138a434fcec270c27a602df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9a12560a137f4d07635ab99c493aa5e4b5cfa2d138a434fcec270c27a602df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9a12560a137f4d07635ab99c493aa5e4b5cfa2d138a434fcec270c27a602df", kill_on_drop: false }`
[INFO] [stdout] ff9a12560a137f4d07635ab99c493aa5e4b5cfa2d138a434fcec270c27a602df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7655b7c72f985f3fe65278cfa9108ccf485771295cadb89d129b4ead12c2dc2f
[INFO] running `Command { std: "docker" "start" "-a" "7655b7c72f985f3fe65278cfa9108ccf485771295cadb89d129b4ead12c2dc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/memory.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/memory.rs:42:48
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/memory.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/memory.rs:46:47
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mem`
[INFO] [stdout]   --> src/memory.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     mem: [u8; 4096],
[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: `read_byte`
[INFO] [stdout]   --> src/memory.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "7655b7c72f985f3fe65278cfa9108ccf485771295cadb89d129b4ead12c2dc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7655b7c72f985f3fe65278cfa9108ccf485771295cadb89d129b4ead12c2dc2f", kill_on_drop: false }`
[INFO] [stdout] 7655b7c72f985f3fe65278cfa9108ccf485771295cadb89d129b4ead12c2dc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90e759011050b93cdefdaa381ba92d3c68335b9ef47ad36a44d97ad78f0f0b82
[INFO] running `Command { std: "docker" "start" "-a" "90e759011050b93cdefdaa381ba92d3c68335b9ef47ad36a44d97ad78f0f0b82", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/memory.rs:42:34
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/memory.rs:42:48
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/memory.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/memory.rs:46:47
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mem`
[INFO] [stdout]   --> src/memory.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     mem: [u8; 4096],
[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: `read_byte`
[INFO] [stdout]   --> src/memory.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "90e759011050b93cdefdaa381ba92d3c68335b9ef47ad36a44d97ad78f0f0b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e759011050b93cdefdaa381ba92d3c68335b9ef47ad36a44d97ad78f0f0b82", kill_on_drop: false }`
[INFO] [stdout] 90e759011050b93cdefdaa381ba92d3c68335b9ef47ad36a44d97ad78f0f0b82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca3bda3a80a74bc80b5f530875d65013ee8f51676fc1fea1a70e9b83cc0860d4
[INFO] running `Command { std: "docker" "start" "-a" "ca3bda3a80a74bc80b5f530875d65013ee8f51676fc1fea1a70e9b83cc0860d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/memory.rs:42:34
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:42:48
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn write_byte(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/memory.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:46:47
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |                                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mem`
[INFO] [stderr]   --> src/memory.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     mem: [u8; 4096],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/memory.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn read_byte(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8_emulator-271cae25185a04ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca3bda3a80a74bc80b5f530875d65013ee8f51676fc1fea1a70e9b83cc0860d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3bda3a80a74bc80b5f530875d65013ee8f51676fc1fea1a70e9b83cc0860d4", kill_on_drop: false }`
[INFO] [stdout] ca3bda3a80a74bc80b5f530875d65013ee8f51676fc1fea1a70e9b83cc0860d4