[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] testing shawngiroux/rusty-chip8 against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshawngiroux%2Frusty-chip8" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shawngiroux/rusty-chip8 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-cursor v0.27.0
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] [stderr]   Downloaded clang-sys v1.1.0
[INFO] [stderr]   Downloaded minifb v0.19.2
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] [stderr]   Downloaded orbclient v0.3.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3043f140ef3af66c06f624559341c4c1ad0549036bd36a08ffe3e370c9d0a97d
[INFO] running `Command { std: "docker" "start" "-a" "3043f140ef3af66c06f624559341c4c1ad0549036bd36a08ffe3e370c9d0a97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3043f140ef3af66c06f624559341c4c1ad0549036bd36a08ffe3e370c9d0a97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3043f140ef3af66c06f624559341c4c1ad0549036bd36a08ffe3e370c9d0a97d", kill_on_drop: false }`
[INFO] [stdout] 3043f140ef3af66c06f624559341c4c1ad0549036bd36a08ffe3e370c9d0a97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640ff32e42daf8955279716caf470eaf299f0a5737bfdfa4d176ec12d409b786
[INFO] running `Command { std: "docker" "start" "-a" "640ff32e42daf8955279716caf470eaf299f0a5737bfdfa4d176ec12d409b786", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling clang-sys v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling nom v6.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-commons v0.27.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling minifb v0.19.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wayland-cursor v0.27.0
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
[INFO] [stderr]    Compiling xkb v0.2.1
[INFO] [stderr]    Compiling 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)]` 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: 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)]` 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)]` 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)]` 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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.43s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "640ff32e42daf8955279716caf470eaf299f0a5737bfdfa4d176ec12d409b786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640ff32e42daf8955279716caf470eaf299f0a5737bfdfa4d176ec12d409b786", kill_on_drop: false }`
[INFO] [stdout] 640ff32e42daf8955279716caf470eaf299f0a5737bfdfa4d176ec12d409b786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e204d172ce92bdfbbdab818cd7cfb329612f3b6493c2f7f90686babed82719b0
[INFO] running `Command { std: "docker" "start" "-a" "e204d172ce92bdfbbdab818cd7cfb329612f3b6493c2f7f90686babed82719b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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: 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)]` 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)]` 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)]` 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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "e204d172ce92bdfbbdab818cd7cfb329612f3b6493c2f7f90686babed82719b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e204d172ce92bdfbbdab818cd7cfb329612f3b6493c2f7f90686babed82719b0", kill_on_drop: false }`
[INFO] [stdout] e204d172ce92bdfbbdab818cd7cfb329612f3b6493c2f7f90686babed82719b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f67856a43e0a9e42028d39d248fdc588a3e7e5c5cb299e51fa3749b28b50605
[INFO] running `Command { std: "docker" "start" "-a" "7f67856a43e0a9e42028d39d248fdc588a3e7e5c5cb299e51fa3749b28b50605", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:191:26
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 let NN = (self.opcode & 0x00FF);
[INFO] [stderr]     |                          ^                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 191 -                 let NN = (self.opcode & 0x00FF);
[INFO] [stderr] 191 +                 let NN = self.opcode & 0x00FF;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:245:31
[INFO] [stderr]     |
[INFO] [stderr] 245 |                     let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16));
[INFO] [stderr]     |                               ^                                                           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 245 -                     let sub = ((self.V[VX as usize] as i16) - (self.V[VY as usize] as i16));
[INFO] [stderr] 245 +                     let sub = (self.V[VX as usize] as i16) - (self.V[VY as usize] as i16);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:301:26
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 self.I = (self.opcode & 0x0FFF);
[INFO] [stderr]     |                          ^                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 301 -                 self.I = (self.opcode & 0x0FFF);
[INFO] [stderr] 301 +                 self.I = self.opcode & 0x0FFF;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:311:26
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 let NN = (self.opcode & 0x00FF);
[INFO] [stderr]     |                          ^                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 311 -                 let NN = (self.opcode & 0x00FF);
[INFO] [stderr] 311 +                 let NN = self.opcode & 0x00FF;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]    --> src/main.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 let w = (self.width - 1) as u16;
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `height` is never read
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct CPU {
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 20 |     height: u32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `debug_cpu_registers` is never used
[INFO] [stderr]    --> src/main.rs:486:8
[INFO] [stderr]     |
[INFO] [stderr] 43  | impl CPU {
[INFO] [stderr]     | -------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 486 |     fn debug_cpu_registers(V: [u16; 16]) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         f.read_to_end(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let _ = f.read_to_end(&mut buffer);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-chip8` (bin "rusty-chip8" test) generated 8 warnings (run `cargo fix --bin "rusty-chip8" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[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 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_chip8-15b9ce54e3a50cae)
[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" "7f67856a43e0a9e42028d39d248fdc588a3e7e5c5cb299e51fa3749b28b50605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f67856a43e0a9e42028d39d248fdc588a3e7e5c5cb299e51fa3749b28b50605", kill_on_drop: false }`
[INFO] [stdout] 7f67856a43e0a9e42028d39d248fdc588a3e7e5c5cb299e51fa3749b28b50605
