[INFO] cloning repository https://github.com/M1ngXU/CHIP-8-Emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M1ngXU/CHIP-8-Emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FCHIP-8-Emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FCHIP-8-Emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c6e3fa8bf351d828cdfb34f017ab4b983f76082
[INFO] documenting M1ngXU/CHIP-8-Emulator against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FCHIP-8-Emulator" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/M1ngXU/CHIP-8-Emulator on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/M1ngXU/CHIP-8-Emulator
[INFO] finished tweaking git repo https://github.com/M1ngXU/CHIP-8-Emulator
[INFO] tweaked toml for git repo https://github.com/M1ngXU/CHIP-8-Emulator written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unescaper v0.1.3
[INFO] [stderr]   Downloaded serialport v4.3.0
[INFO] [stderr]   Downloaded ashpd v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bc41becb7f6f2d69018f71771f17c3816e07d454348afb4181e5a7a2d2d50e1
[INFO] running `Command { std: "docker" "start" "-a" "6bc41becb7f6f2d69018f71771f17c3816e07d454348afb4181e5a7a2d2d50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bc41becb7f6f2d69018f71771f17c3816e07d454348afb4181e5a7a2d2d50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc41becb7f6f2d69018f71771f17c3816e07d454348afb4181e5a7a2d2d50e1", kill_on_drop: false }`
[INFO] [stdout] 6bc41becb7f6f2d69018f71771f17c3816e07d454348afb4181e5a7a2d2d50e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 604e2bc2f8b56bfdad0eed98488d4bfdf9ded9b374c7b95ffc448587d9a66819
[INFO] running `Command { std: "docker" "start" "-a" "604e2bc2f8b56bfdad0eed98488d4bfdf9ded9b374c7b95ffc448587d9a66819", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
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[INFO] [stderr]    Compiling toml_datetime v0.6.5
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[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling once_cell v1.19.0
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[INFO] [stderr]    Compiling io-lifetimes v1.0.11
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[INFO] [stderr]    Compiling rfd v0.10.0
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[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking async-broadcast v0.4.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling enumflags2_derive v0.7.8
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling zvariant_derive v3.15.0
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling zbus_macros v2.3.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking unescaper v0.1.3
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking enumflags2 v0.7.8
[INFO] [stderr]     Checking zvariant v3.15.0
[INFO] [stderr]     Checking zbus_names v2.6.0
[INFO] [stderr]     Checking zbus v2.3.2
[INFO] [stderr]     Checking ashpd v0.3.2
[INFO] [stderr]  Documenting chip8-emulator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:178:47
[INFO] [stdout]     |
[INFO] [stdout] 178 |         self.sound_timer = Byte::from_u8(data[(screen_end + 2 + 16)]);
[INFO] [stdout]     |                                               ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         self.sound_timer = Byte::from_u8(data[(screen_end + 2 + 16)]);
[INFO] [stdout] 178 +         self.sound_timer = Byte::from_u8(data[screen_end + 2 + 16]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:179:47
[INFO] [stdout]     |
[INFO] [stdout] 179 |         self.delay_timer = Byte::from_u8(data[(screen_end + 2 + 16 + 1)]);
[INFO] [stdout]     |                                               ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -         self.delay_timer = Byte::from_u8(data[(screen_end + 2 + 16 + 1)]);
[INFO] [stdout] 179 +         self.delay_timer = Byte::from_u8(data[screen_end + 2 + 16 + 1]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:181:33
[INFO] [stdout]     |
[INFO] [stdout] 181 |             &Byte::from_u8(data[(screen_end + 2 + 16 + 2)]),
[INFO] [stdout]     |                                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 181 -             &Byte::from_u8(data[(screen_end + 2 + 16 + 2)]),
[INFO] [stdout] 181 +             &Byte::from_u8(data[screen_end + 2 + 16 + 2]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:182:33
[INFO] [stdout]     |
[INFO] [stdout] 182 |             &Byte::from_u8(data[(screen_end + 2 + 16 + 3)]),
[INFO] [stdout]     |                                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 -             &Byte::from_u8(data[(screen_end + 2 + 16 + 3)]),
[INFO] [stdout] 182 +             &Byte::from_u8(data[screen_end + 2 + 16 + 3]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if data[(screen_end + 2 + 16 + 3 + 1)] == 0 {
[INFO] [stdout]     |                 ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -         if data[(screen_end + 2 + 16 + 3 + 1)] == 0 {
[INFO] [stdout] 184 +         if data[screen_end + 2 + 16 + 3 + 1] == 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:187:50
[INFO] [stdout]     |
[INFO] [stdout] 187 |             self.awaiting_key = Some((0xF & data[(screen_end + 2 + 16 + 3 + 1)]) as usize);
[INFO] [stdout]     |                                                  ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             self.awaiting_key = Some((0xF & data[(screen_end + 2 + 16 + 3 + 1)]) as usize);
[INFO] [stdout] 187 +             self.awaiting_key = Some((0xF & data[screen_end + 2 + 16 + 3 + 1]) as usize);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chip8-emulator`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name chip8_emulator src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=7c8f1b53ee879cc2 -L dependency=/opt/rustwide/target/debug/deps --extern rfd=/opt/rustwide/target/debug/deps/librfd-d3a73ea38e8adef0.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-7dea2f6e0b3e3282.rmeta --extern serialport=/opt/rustwide/target/debug/deps/libserialport-86c6768928484a64.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "604e2bc2f8b56bfdad0eed98488d4bfdf9ded9b374c7b95ffc448587d9a66819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604e2bc2f8b56bfdad0eed98488d4bfdf9ded9b374c7b95ffc448587d9a66819", kill_on_drop: false }`
[INFO] [stdout] 604e2bc2f8b56bfdad0eed98488d4bfdf9ded9b374c7b95ffc448587d9a66819
[INFO] documenting M1ngXU/CHIP-8-Emulator against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FCHIP-8-Emulator" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/M1ngXU/CHIP-8-Emulator on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/M1ngXU/CHIP-8-Emulator
[INFO] finished tweaking git repo https://github.com/M1ngXU/CHIP-8-Emulator
[INFO] tweaked toml for git repo https://github.com/M1ngXU/CHIP-8-Emulator written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c13709bdb2a8758b7bc3587be7bd1d9b37abafdfffd7c724e101f349b58331fa
[INFO] running `Command { std: "docker" "start" "-a" "c13709bdb2a8758b7bc3587be7bd1d9b37abafdfffd7c724e101f349b58331fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13709bdb2a8758b7bc3587be7bd1d9b37abafdfffd7c724e101f349b58331fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13709bdb2a8758b7bc3587be7bd1d9b37abafdfffd7c724e101f349b58331fa", kill_on_drop: false }`
[INFO] [stdout] c13709bdb2a8758b7bc3587be7bd1d9b37abafdfffd7c724e101f349b58331fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bd920a0fff72cc5f14d33fb6d79a3c112be9daf2369e368924470db3332510
[INFO] running `Command { std: "docker" "start" "-a" "c5bd920a0fff72cc5f14d33fb6d79a3c112be9daf2369e368924470db3332510", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
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[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking futures-sink v0.3.30
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[INFO] [stderr]    Compiling rfd v0.10.0
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[INFO] [stderr]  Documenting chip8-emulator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:178:47
[INFO] [stdout]     |
[INFO] [stdout] 178 |         self.sound_timer = Byte::from_u8(data[(screen_end + 2 + 16)]);
[INFO] [stdout]     |                                               ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         self.sound_timer = Byte::from_u8(data[(screen_end + 2 + 16)]);
[INFO] [stdout] 178 +         self.sound_timer = Byte::from_u8(data[screen_end + 2 + 16]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:179:47
[INFO] [stdout]     |
[INFO] [stdout] 179 |         self.delay_timer = Byte::from_u8(data[(screen_end + 2 + 16 + 1)]);
[INFO] [stdout]     |                                               ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -         self.delay_timer = Byte::from_u8(data[(screen_end + 2 + 16 + 1)]);
[INFO] [stdout] 179 +         self.delay_timer = Byte::from_u8(data[screen_end + 2 + 16 + 1]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:181:33
[INFO] [stdout]     |
[INFO] [stdout] 181 |             &Byte::from_u8(data[(screen_end + 2 + 16 + 2)]),
[INFO] [stdout]     |                                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 181 -             &Byte::from_u8(data[(screen_end + 2 + 16 + 2)]),
[INFO] [stdout] 181 +             &Byte::from_u8(data[screen_end + 2 + 16 + 2]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:182:33
[INFO] [stdout]     |
[INFO] [stdout] 182 |             &Byte::from_u8(data[(screen_end + 2 + 16 + 3)]),
[INFO] [stdout]     |                                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 -             &Byte::from_u8(data[(screen_end + 2 + 16 + 3)]),
[INFO] [stdout] 182 +             &Byte::from_u8(data[screen_end + 2 + 16 + 3]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if data[(screen_end + 2 + 16 + 3 + 1)] == 0 {
[INFO] [stdout]     |                 ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -         if data[(screen_end + 2 + 16 + 3 + 1)] == 0 {
[INFO] [stdout] 184 +         if data[screen_end + 2 + 16 + 3 + 1] == 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/emulator/interpreter.rs:187:50
[INFO] [stdout]     |
[INFO] [stdout] 187 |             self.awaiting_key = Some((0xF & data[(screen_end + 2 + 16 + 3 + 1)]) as usize);
[INFO] [stdout]     |                                                  ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 -             self.awaiting_key = Some((0xF & data[(screen_end + 2 + 16 + 3 + 1)]) as usize);
[INFO] [stdout] 187 +             self.awaiting_key = Some((0xF & data[screen_end + 2 + 16 + 3 + 1]) as usize);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_option_inspect)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chip8-emulator`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name chip8_emulator src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=06042d0ea7d1128d -L dependency=/opt/rustwide/target/debug/deps --extern rfd=/opt/rustwide/target/debug/deps/librfd-5af11ae80b9f04e6.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-9c2721cfa03afec8.rmeta --extern serialport=/opt/rustwide/target/debug/deps/libserialport-efe3b4bb0ce0ac92.rmeta --cap-lints=warn --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c5bd920a0fff72cc5f14d33fb6d79a3c112be9daf2369e368924470db3332510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bd920a0fff72cc5f14d33fb6d79a3c112be9daf2369e368924470db3332510", kill_on_drop: false }`
[INFO] [stdout] c5bd920a0fff72cc5f14d33fb6d79a3c112be9daf2369e368924470db3332510
