[INFO] cloning repository https://github.com/MattCairns/rust_boy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MattCairns/rust_boy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattCairns%2Frust_boy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattCairns%2Frust_boy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33bfc4bef0d0b6dc3b0d9970ca07c214cb7b1379
[INFO] checking MattCairns/rust_boy against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattCairns%2Frust_boy" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MattCairns/rust_boy
[INFO] finished tweaking git repo https://github.com/MattCairns/rust_boy
[INFO] tweaked toml for git repo https://github.com/MattCairns/rust_boy written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MattCairns/rust_boy on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MattCairns/rust_boy 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded emath v0.16.0
[INFO] [stderr]   Downloaded atomic_refcell v0.1.8
[INFO] [stderr]   Downloaded egui_sdl2_gl v0.16.0
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded ab_glyph v0.2.13
[INFO] [stderr]   Downloaded owned_ttf_parser v0.14.0
[INFO] [stderr]   Downloaded egui v0.16.1
[INFO] [stderr]   Downloaded ttf-parser v0.14.0
[INFO] [stderr]   Downloaded sdl2 v0.35.1
[INFO] [stderr]   Downloaded libc v0.2.116
[INFO] [stderr]   Downloaded epaint v0.16.0
[INFO] [stderr]   Downloaded sdl2-sys v0.35.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcaa5bd77688041b12e5bb85b2b35bc06e95fd0962b5e1bd53abc08d7454163c
[INFO] running `Command { std: "docker" "start" "-a" "bcaa5bd77688041b12e5bb85b2b35bc06e95fd0962b5e1bd53abc08d7454163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcaa5bd77688041b12e5bb85b2b35bc06e95fd0962b5e1bd53abc08d7454163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcaa5bd77688041b12e5bb85b2b35bc06e95fd0962b5e1bd53abc08d7454163c", kill_on_drop: false }`
[INFO] [stdout] bcaa5bd77688041b12e5bb85b2b35bc06e95fd0962b5e1bd53abc08d7454163c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0ea7d5e0d4c8035f6131c60463a99cbfd9938c9456ab6453d68d69aa353e29b
[INFO] running `Command { std: "docker" "start" "-a" "d0ea7d5e0d4c8035f6131c60463a99cbfd9938c9456ab6453d68d69aa353e29b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking ttf-parser v0.14.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking emath v0.16.0
[INFO] [stderr]     Checking atomic_refcell v0.1.8
[INFO] [stderr]    Compiling sdl2 v0.35.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling sdl2-sys v0.35.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking owned_ttf_parser v0.14.0
[INFO] [stderr]     Checking ab_glyph v0.2.13
[INFO] [stderr]     Checking epaint v0.16.0
[INFO] [stderr]     Checking egui v0.16.1
[INFO] [stderr]     Checking egui_sdl2_gl v0.16.0
[INFO] [stderr]     Checking rust_boy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:803:30
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 StdReg::A => self.reg.a = self.reg.a,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:817:30
[INFO] [stdout]     |
[INFO] [stdout] 817 |                 StdReg::B => self.reg.b = self.reg.b,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:831:30
[INFO] [stdout]     |
[INFO] [stdout] 831 |                 StdReg::C => self.reg.c = self.reg.c,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:845:30
[INFO] [stdout]     |
[INFO] [stdout] 845 |                 StdReg::D => self.reg.d = self.reg.d,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:859:30
[INFO] [stdout]     |
[INFO] [stdout] 859 |                 StdReg::E => self.reg.e = self.reg.e,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:873:30
[INFO] [stdout]     |
[INFO] [stdout] 873 |                 StdReg::H => self.reg.h = self.reg.h,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:887:30
[INFO] [stdout]     |
[INFO] [stdout] 887 |                 StdReg::L => self.reg.l = self.reg.l,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:993:27
[INFO] [stdout]     |
[INFO] [stdout] 993 |             LoadReg::A => self.reg.a = self.reg.a,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:953:27
[INFO] [stdout]     |
[INFO] [stdout] 953 |             LoadReg::A => self.reg.a = self.reg.a,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `args`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::{self, args};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_boy::interrupts::InterruptHandler`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_boy::interrupts::InterruptHandler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `args`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::{self, args};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_boy::interrupts::InterruptHandler`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_boy::interrupts::InterruptHandler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cycles` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut cycles : u64 = 0;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_cycles` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cycles` is never read
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         cycles += cpu.step() as u64;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cycles` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut cycles : u64 = 0;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_cycles` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cycles` is never read
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         cycles += cpu.step() as u64;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:803:30
[INFO] [stdout]     |
[INFO] [stdout] 803 |                 StdReg::A => self.reg.a = self.reg.a,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:817:30
[INFO] [stdout]     |
[INFO] [stdout] 817 |                 StdReg::B => self.reg.b = self.reg.b,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:831:30
[INFO] [stdout]     |
[INFO] [stdout] 831 |                 StdReg::C => self.reg.c = self.reg.c,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:845:30
[INFO] [stdout]     |
[INFO] [stdout] 845 |                 StdReg::D => self.reg.d = self.reg.d,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:859:30
[INFO] [stdout]     |
[INFO] [stdout] 859 |                 StdReg::E => self.reg.e = self.reg.e,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:873:30
[INFO] [stdout]     |
[INFO] [stdout] 873 |                 StdReg::H => self.reg.h = self.reg.h,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:887:30
[INFO] [stdout]     |
[INFO] [stdout] 887 |                 StdReg::L => self.reg.l = self.reg.l,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:993:27
[INFO] [stdout]     |
[INFO] [stdout] 993 |             LoadReg::A => self.reg.a = self.reg.a,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of field of type `u8` to itself
[INFO] [stdout]    --> src/cpu.rs:953:27
[INFO] [stdout]     |
[INFO] [stdout] 953 |             LoadReg::A => self.reg.a = self.reg.a,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "d0ea7d5e0d4c8035f6131c60463a99cbfd9938c9456ab6453d68d69aa353e29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ea7d5e0d4c8035f6131c60463a99cbfd9938c9456ab6453d68d69aa353e29b", kill_on_drop: false }`
[INFO] [stdout] d0ea7d5e0d4c8035f6131c60463a99cbfd9938c9456ab6453d68d69aa353e29b
