[INFO] cloning repository https://github.com/jgautier/eightyeighty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgautier/eightyeighty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgautier%2Feightyeighty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgautier%2Feightyeighty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bf804328ce071c88e48caa760880e3874c08eb0
[INFO] checking jgautier/eightyeighty against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgautier%2Feightyeighty" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgautier/eightyeighty on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgautier/eightyeighty
[INFO] finished tweaking git repo https://github.com/jgautier/eightyeighty
[INFO] tweaked toml for git repo https://github.com/jgautier/eightyeighty written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jgautier/eightyeighty 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-4-tc1/source/web/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 581261d6a219d9265eb14f9fcd68f3629f8e45b8df065b41ce02a390ddfcde7e
[INFO] running `Command { std: "docker" "start" "-a" "581261d6a219d9265eb14f9fcd68f3629f8e45b8df065b41ce02a390ddfcde7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "581261d6a219d9265eb14f9fcd68f3629f8e45b8df065b41ce02a390ddfcde7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581261d6a219d9265eb14f9fcd68f3629f8e45b8df065b41ce02a390ddfcde7e", kill_on_drop: false }`
[INFO] [stdout] 581261d6a219d9265eb14f9fcd68f3629f8e45b8df065b41ce02a390ddfcde7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71676065c3d4a04c6dd92b50146f5c6342c79ebaa38d91f1b885042439327042
[INFO] running `Command { std: "docker" "start" "-a" "71676065c3d4a04c6dd92b50146f5c6342c79ebaa38d91f1b885042439327042", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/web/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.79
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]     Checking emulator v0.1.0 (/opt/rustwide/workdir/emulator)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> emulator/src/cpu/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> emulator/src/cpu/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> emulator/src/machines/spaceinvaders/sdl.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     panic!();
[INFO] [stdout]     |                     -------- any code following this expression is unreachable
[INFO] [stdout] 117 |                     None
[INFO] [stdout]     |                     ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> emulator/src/machines/spaceinvaders/sdl.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     panic!();
[INFO] [stdout]     |                     -------- any code following this expression is unreachable
[INFO] [stdout] 117 |                     None
[INFO] [stdout]     |                     ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1496:13
[INFO] [stdout]      |
[INFO] [stdout] 1496 |     let mut n = 0;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_n` instead
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1519:13
[INFO] [stdout]      |
[INFO] [stdout] 1519 |         Err(op) => {
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1496:13
[INFO] [stdout]      |
[INFO] [stdout] 1496 |     let mut n = 0;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_n` instead
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1519:13
[INFO] [stdout]      |
[INFO] [stdout] 1519 |         Err(op) => {
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_debug_info` is never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1563:4
[INFO] [stdout]      |
[INFO] [stdout] 1563 | fn print_debug_info(state: &State, op: &Op, counter: u64) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio` is never read
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct SpaceInvadersSpeaker {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 60 |     audio: sdl2::AudioSubsystem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_debug_info` is never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1563:4
[INFO] [stdout]      |
[INFO] [stdout] 1563 | fn print_debug_info(state: &State, op: &Op, counter: u64) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio` is never read
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct SpaceInvadersSpeaker {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 60 |     audio: sdl2::AudioSubsystem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> emulator/src/cpu/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> emulator/src/cpu/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> emulator/src/machines/spaceinvaders/sdl.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     panic!();
[INFO] [stdout]     |                     -------- any code following this expression is unreachable
[INFO] [stdout] 117 |                     None
[INFO] [stdout]     |                     ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> emulator/src/machines/spaceinvaders/sdl.rs:117:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     panic!();
[INFO] [stdout]     |                     -------- any code following this expression is unreachable
[INFO] [stdout] 117 |                     None
[INFO] [stdout]     |                     ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1496:13
[INFO] [stdout]      |
[INFO] [stdout] 1496 |     let mut n = 0;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_n` instead
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1519:13
[INFO] [stdout]      |
[INFO] [stdout] 1519 |         Err(op) => {
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1496:13
[INFO] [stdout]      |
[INFO] [stdout] 1496 |     let mut n = 0;
[INFO] [stdout]      |             ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_n` instead
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1519:13
[INFO] [stdout]      |
[INFO] [stdout] 1519 |         Err(op) => {
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `program_size` is never read
[INFO] [stdout]    --> emulator/src/cpu/mod.rs:401:3
[INFO] [stdout]     |
[INFO] [stdout] 399 | pub struct Cpu {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] 400 |   pub state: State,
[INFO] [stdout] 401 |   program_size: usize,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1495:10
[INFO] [stdout]      |
[INFO] [stdout] 406  | impl Cpu {
[INFO] [stdout]      | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1495 |   pub fn run(&mut self, io: &RefCell<dyn IO>) {
[INFO] [stdout]      |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_debug_info` is never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1563:4
[INFO] [stdout]      |
[INFO] [stdout] 1563 | fn print_debug_info(state: &State, op: &Op, counter: u64) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Player2` is never constructed
[INFO] [stdout]   --> emulator/src/machines/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Player {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 41 |     Player1,
[INFO] [stdout] 42 |     Player2
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sound` is never used
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum Sound {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio` is never read
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct SpaceInvadersSpeaker {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 60 |     audio: sdl2::AudioSubsystem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_debug_info` is never used
[INFO] [stdout]     --> emulator/src/cpu/mod.rs:1563:4
[INFO] [stdout]      |
[INFO] [stdout] 1563 | fn print_debug_info(state: &State, op: &Op, counter: u64) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Player2` is never constructed
[INFO] [stdout]   --> emulator/src/machines/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Player {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 41 |     Player1,
[INFO] [stdout] 42 |     Player2
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sound` is never used
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub enum Sound {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio` is never read
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct SpaceInvadersSpeaker {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 60 |     audio: sdl2::AudioSubsystem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> emulator/src/machines/spaceinvaders/sdl.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.canvas.fill_rect(Rect::new(scale * x, scale * y, 4, 4));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking js-sys v0.3.56
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.29
[INFO] [stderr]     Checking web-sys v0.3.56
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.29
[INFO] [stderr]     Checking web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stdout] warning: unused import: `std::f64`
[INFO] [stdout]  --> web/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64`
[INFO] [stdout]  --> web/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f64;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `emulator::cpu::Cpu`
[INFO] [stdout]  --> web/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use emulator::cpu::Cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `emulator::cpu::Cpu`
[INFO] [stdout]  --> web/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use emulator::cpu::Cpu;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeyboardEvent`, `RequestMode`, and `Window`
[INFO] [stdout]  --> web/src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use web_sys::{Window, Request, RequestInit, RequestMode, Response, KeyboardEvent};
[INFO] [stdout]   |               ^^^^^^                        ^^^^^^^^^^^            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> web/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `emulator::machines::IO`
[INFO] [stdout]  --> web/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use emulator::machines::IO;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpaceInvadersIO`
[INFO] [stdout]   --> web/src/lib.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | use emulator::machines::spaceinvaders::{SpaceInvadersIO, SpaceInvaders};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeyboardEvent`, `RequestMode`, and `Window`
[INFO] [stdout]  --> web/src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use web_sys::{Window, Request, RequestInit, RequestMode, Response, KeyboardEvent};
[INFO] [stdout]   |               ^^^^^^                        ^^^^^^^^^^^            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ButtonState`, `Button`, `Controller`, and `Player`
[INFO] [stdout]   --> web/src/lib.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use emulator::machines::{Controller, Player, ButtonState, Button};
[INFO] [stdout]    |                          ^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> web/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> web/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> web/src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `emulator::machines::IO`
[INFO] [stdout]  --> web/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use emulator::machines::IO;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpaceInvadersIO`
[INFO] [stdout]   --> web/src/lib.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 | use emulator::machines::spaceinvaders::{SpaceInvadersIO, SpaceInvaders};
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ButtonState`, `Button`, `Controller`, and `Player`
[INFO] [stdout]   --> web/src/lib.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use emulator::machines::{Controller, Player, ButtonState, Button};
[INFO] [stdout]    |                          ^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> web/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> web/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> web/src/lib.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn start_wav_file(&mut self, file_name: &str) {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> web/src/lib.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn stop_wav_file(&mut self, file_name: &str) {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> web/src/lib.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn start_wav_file(&mut self, file_name: &str) {
[INFO] [stdout]    |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> web/src/lib.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn play_wav_file(&mut self, file_name: &str) {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> web/src/lib.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn stop_wav_file(&mut self, file_name: &str) {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> web/src/lib.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn play_wav_file(&mut self, file_name: &str) {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WebSpeaker` is never constructed
[INFO] [stdout]   --> web/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct WebSpeaker {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> web/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WebSpeaker` is never constructed
[INFO] [stdout]   --> web/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct WebSpeaker {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_panic_hook` is never used
[INFO] [stdout]  --> web/src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn set_panic_hook() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.79
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "71676065c3d4a04c6dd92b50146f5c6342c79ebaa38d91f1b885042439327042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71676065c3d4a04c6dd92b50146f5c6342c79ebaa38d91f1b885042439327042", kill_on_drop: false }`
[INFO] [stdout] 71676065c3d4a04c6dd92b50146f5c6342c79ebaa38d91f1b885042439327042