[INFO] cloning repository https://github.com/minhducck/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minhducck/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminhducck%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminhducck%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e34dde8317b924b2e99c8b5223f75676802861e
[INFO] checking minhducck/chip-8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminhducck%2Fchip-8" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/minhducck/chip-8
[INFO] finished tweaking git repo https://github.com/minhducck/chip-8
[INFO] tweaked toml for git repo https://github.com/minhducck/chip-8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/minhducck/chip-8 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/minhducck/chip-8 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba024138ff6bead16db99f94bdf2ffed3d1e01ef5b406f56773e026e923dd89
[INFO] running `Command { std: "docker" "start" "-a" "eba024138ff6bead16db99f94bdf2ffed3d1e01ef5b406f56773e026e923dd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba024138ff6bead16db99f94bdf2ffed3d1e01ef5b406f56773e026e923dd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba024138ff6bead16db99f94bdf2ffed3d1e01ef5b406f56773e026e923dd89", kill_on_drop: false }`
[INFO] [stdout] eba024138ff6bead16db99f94bdf2ffed3d1e01ef5b406f56773e026e923dd89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 754d74c9caf6802ab2c6ae246aec48f4c548299b7536e8caaf44ab6b08df6009
[INFO] running `Command { std: "docker" "start" "-a" "754d74c9caf6802ab2c6ae246aec48f4c548299b7536e8caaf44ab6b08df6009", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling sdl2 v0.37.0
[INFO] [stderr]    Compiling sdl2-sys v0.37.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking cpal v0.15.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking actually_beep v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chip8-lib v0.1.0 (/opt/rustwide/workdir/chip8-lib)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> chip8-lib/src/lib.rs:303:42
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 self.registers[0xF] = if (bit_flipped) {1} else {0};
[INFO] [stdout]     |                                          ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 303 -                 self.registers[0xF] = if (bit_flipped) {1} else {0};
[INFO] [stdout] 303 +                 self.registers[0xF] = if bit_flipped  {1} else {0};
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> chip8-lib/src/lib.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 actually_beep::beep_with_hz_and_millis(SOUND_FREQ, DURATION_IN_MS);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let _ = actually_beep::beep_with_hz_and_millis(SOUND_FREQ, DURATION_IN_MS);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write` and `self`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{self, Read, Write}};
[INFO] [stdout]   |                          ^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/main.rs:48:56
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let window = video_system.window("Chip8 Emulator", WINDOW_WIDTH.try_into().unwrap(), WINDOW_HEIGHT.try_into().unwrap())
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/main.rs:48:90
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let window = video_system.window("Chip8 Emulator", WINDOW_WIDTH.try_into().unwrap(), WINDOW_HEIGHT.try_into().unwrap())
[INFO] [stdout]    |                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write` and `self`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{self, Read, Write}};
[INFO] [stdout]   |                          ^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip-8` (bin "chip-8" test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/main.rs:48:56
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let window = video_system.window("Chip8 Emulator", WINDOW_WIDTH.try_into().unwrap(), WINDOW_HEIGHT.try_into().unwrap())
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/main.rs:48:90
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let window = video_system.window("Chip8 Emulator", WINDOW_WIDTH.try_into().unwrap(), WINDOW_HEIGHT.try_into().unwrap())
[INFO] [stdout]    |                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip-8` (bin "chip-8") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "754d74c9caf6802ab2c6ae246aec48f4c548299b7536e8caaf44ab6b08df6009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754d74c9caf6802ab2c6ae246aec48f4c548299b7536e8caaf44ab6b08df6009", kill_on_drop: false }`
[INFO] [stdout] 754d74c9caf6802ab2c6ae246aec48f4c548299b7536e8caaf44ab6b08df6009