[INFO] cloning repository https://github.com/shawngiroux/rusty-chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shawngiroux/rusty-chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawngiroux%2Frusty-chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawngiroux%2Frusty-chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b24080a7a4460aec51cc25b9614587636da4875
[INFO] checking shawngiroux/rusty-chip8 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawngiroux%2Frusty-chip8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shawngiroux/rusty-chip8
[INFO] finished tweaking git repo https://github.com/shawngiroux/rusty-chip8
[INFO] tweaked toml for git repo https://github.com/shawngiroux/rusty-chip8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shawngiroux/rusty-chip8 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shawngiroux/rusty-chip8 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc
[INFO] running `Command { std: "docker" "start" "769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling termcolor v1.1.2
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[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling vec_map v0.8.2
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[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]    Compiling rustc-hash v1.1.0
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[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.1
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
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[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking wayland-commons v0.27.0
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[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
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[INFO] [stderr]     Checking rusty-chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:191:26
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 let NN = (self.opcode & 0x00FF);
[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] 191 -                 let NN = (self.opcode & 0x00FF);
[INFO] [stdout] 191 +                 let NN = self.opcode & 0x00FF;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:245:31
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16));
[INFO] [stdout]     |                               ^                                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -                     let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16));
[INFO] [stdout] 245 +                     let sub = (self.V[VX as usize] as i16) - (self.V[VY as usize] as i16);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 self.I = (self.opcode & 0x0FFF);
[INFO] [stdout]     |                          ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 301 -                 self.I = (self.opcode & 0x0FFF);
[INFO] [stdout] 301 +                 self.I = self.opcode & 0x0FFF;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:311:26
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let NN = (self.opcode & 0x00FF);
[INFO] [stdout]     |                          ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 311 -                 let NN = (self.opcode & 0x00FF);
[INFO] [stdout] 311 +                 let NN = self.opcode & 0x00FF;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:519:39
[INFO] [stdout]     |
[INFO] [stdout] 519 |     let pixel_color_white = std::u32::MAX;
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:191:26
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 let NN = (self.opcode & 0x00FF);
[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] 191 -                 let NN = (self.opcode & 0x00FF);
[INFO] [stdout] 191 +                 let NN = self.opcode & 0x00FF;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:245:31
[INFO] [stdout]     |
[INFO] [stdout] 245 |                     let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16));
[INFO] [stdout]     |                               ^                                                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -                     let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16));
[INFO] [stdout] 245 +                     let sub = (self.V[VX as usize] as i16) - (self.V[VY as usize] as i16);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 self.I = (self.opcode & 0x0FFF);
[INFO] [stdout]     |                          ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 301 -                 self.I = (self.opcode & 0x0FFF);
[INFO] [stdout] 301 +                 self.I = self.opcode & 0x0FFF;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:311:26
[INFO] [stdout]     |
[INFO] [stdout] 311 |                 let NN = (self.opcode & 0x00FF);
[INFO] [stdout]     |                          ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 311 -                 let NN = (self.opcode & 0x00FF);
[INFO] [stdout] 311 +                 let NN = self.opcode & 0x00FF;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:519:39
[INFO] [stdout]     |
[INFO] [stdout] 519 |     let pixel_color_white = std::u32::MAX;
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/main.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 let w = (self.width - 1) as u16;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct CPU {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `debug_cpu_registers` is never used
[INFO] [stdout]    --> src/main.rs:486:8
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl CPU {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 486 |     fn debug_cpu_registers(V: [u16; 16]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         f.read_to_end(&mut buffer);
[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] 48 |         let _ = f.read_to_end(&mut buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/main.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 let w = (self.width - 1) as u16;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct CPU {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `debug_cpu_registers` is never used
[INFO] [stdout]    --> src/main.rs:486:8
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl CPU {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 486 |     fn debug_cpu_registers(V: [u16; 16]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         f.read_to_end(&mut buffer);
[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] 48 |         let _ = f.read_to_end(&mut buffer);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc", kill_on_drop: false }`
[INFO] [stdout] 769645fa1289e00c3b7999dd8c03f0012da19647cd16bc1b4f736d457c9091fc
