[INFO] cloning repository https://github.com/dmuraco3/emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmuraco3/emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmuraco3%2Femulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmuraco3%2Femulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5960a7ae001eee899db0d68e7f933e7a3102c61
[INFO] testing dmuraco3/emulator against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmuraco3%2Femulator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dmuraco3/emulator
[INFO] finished tweaking git repo https://github.com/dmuraco3/emulator
[INFO] tweaked toml for git repo https://github.com/dmuraco3/emulator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmuraco3/emulator on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmuraco3/emulator 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65462cef04b8783ef95e18941a4d30c936ce1b222ddc77cd0a5d864f90cbfeda
[INFO] running `Command { std: "docker" "start" "-a" "65462cef04b8783ef95e18941a4d30c936ce1b222ddc77cd0a5d864f90cbfeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65462cef04b8783ef95e18941a4d30c936ce1b222ddc77cd0a5d864f90cbfeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65462cef04b8783ef95e18941a4d30c936ce1b222ddc77cd0a5d864f90cbfeda", kill_on_drop: false }`
[INFO] [stdout] 65462cef04b8783ef95e18941a4d30c936ce1b222ddc77cd0a5d864f90cbfeda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3570c20c64ea691d92301586bc8faf323ecd1ac446f6d1442c7eaab54007b7de
[INFO] running `Command { std: "docker" "start" "-a" "3570c20c64ea691d92301586bc8faf323ecd1ac446f6d1442c7eaab54007b7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `metadata`
[INFO] [stdout]  --> src/hardware/vm/mod.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{metadata ,File};
[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 imports: `BufWriter`, `Cursor`, `Result`, and `Write`
[INFO] [stdout]  --> src/hardware/vm/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufWriter, Cursor, Write, Result};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LittleEndian` and `NativeEndian`
[INFO] [stdout]  --> src/hardware/vm/mod.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{ReadBytesExt, BigEndian, NativeEndian, LittleEndian};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/hardware/vm/mod.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |           x |= (0xFFFF << bit_count);
[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] 26 -           x |= (0xFFFF << bit_count);
[INFO] [stdout] 26 +           x |= 0xFFFF << bit_count;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/hardware/vm/mod.rs:82:15
[INFO] [stdout]    |
[INFO] [stdout] 82 |               (instruction) => {
[INFO] [stdout]    |               ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -               (instruction) => {
[INFO] [stdout] 82 +               instruction => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/hardware/vm/mod.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let d = self.registers.read(dr);
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let _d = self.registers.read(dr);
[INFO] [stdout]    |           +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `START`
[INFO] [stdout]    |
[INFO] [stdout] 54 -       let d = self.registers.read(dr);
[INFO] [stdout] 54 +       let hardware::register::START = self.registers.read(dr);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/hardware/vm/mod.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let opcode = instruction >> 12;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let _opcode = instruction >> 12;
[INFO] [stdout]     |                 +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `START`
[INFO] [stdout]     |
[INFO] [stdout] 108 -             let opcode = instruction >> 12;
[INFO] [stdout] 108 +             let hardware::register::START = instruction >> 12;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `START` is never used
[INFO] [stdout]  --> src/hardware/vm/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const START: u16 = 0x3000;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY_SIZE` is never used
[INFO] [stdout]   --> src/hardware/vm/mod.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "3570c20c64ea691d92301586bc8faf323ecd1ac446f6d1442c7eaab54007b7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3570c20c64ea691d92301586bc8faf323ecd1ac446f6d1442c7eaab54007b7de", kill_on_drop: false }`
[INFO] [stdout] 3570c20c64ea691d92301586bc8faf323ecd1ac446f6d1442c7eaab54007b7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f0ed60a5c5f772fac5f59c9f4076c6c733711b9b0a6e90b4c67212f338ec73
[INFO] running `Command { std: "docker" "start" "-a" "33f0ed60a5c5f772fac5f59c9f4076c6c733711b9b0a6e90b4c67212f338ec73", kill_on_drop: false }`
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `metadata`
[INFO] [stdout]  --> src/hardware/vm/mod.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::{metadata ,File};
[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 imports: `BufWriter`, `Cursor`, `Result`, and `Write`
[INFO] [stdout]  --> src/hardware/vm/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufWriter, Cursor, Write, Result};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LittleEndian` and `NativeEndian`
[INFO] [stdout]  --> src/hardware/vm/mod.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use byteorder::{ReadBytesExt, BigEndian, NativeEndian, LittleEndian};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/hardware/vm/mod.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |           x |= (0xFFFF << bit_count);
[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] 26 -           x |= (0xFFFF << bit_count);
[INFO] [stdout] 26 +           x |= 0xFFFF << bit_count;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/hardware/vm/mod.rs:82:15
[INFO] [stdout]    |
[INFO] [stdout] 82 |               (instruction) => {
[INFO] [stdout]    |               ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -               (instruction) => {
[INFO] [stdout] 82 +               instruction => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/hardware/vm/mod.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let opcode = instruction >> 12;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let _opcode = instruction >> 12;
[INFO] [stdout]     |                 +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `START`
[INFO] [stdout]     |
[INFO] [stdout] 108 -             let opcode = instruction >> 12;
[INFO] [stdout] 108 +             let hardware::register::START = instruction >> 12;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/hardware/vm/mod.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let d = self.registers.read(dr);
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let _d = self.registers.read(dr);
[INFO] [stdout]    |           +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `START`
[INFO] [stdout]    |
[INFO] [stdout] 54 -       let d = self.registers.read(dr);
[INFO] [stdout] 54 +       let hardware::register::START = self.registers.read(dr);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `START` is never used
[INFO] [stdout]  --> src/hardware/vm/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const START: u16 = 0x3000;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MEMORY_SIZE` is never used
[INFO] [stdout]   --> src/hardware/vm/mod.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "33f0ed60a5c5f772fac5f59c9f4076c6c733711b9b0a6e90b4c67212f338ec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f0ed60a5c5f772fac5f59c9f4076c6c733711b9b0a6e90b4c67212f338ec73", kill_on_drop: false }`
[INFO] [stdout] 33f0ed60a5c5f772fac5f59c9f4076c6c733711b9b0a6e90b4c67212f338ec73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0765741aa9ab8202f1ef82c28213ad1a13f36ec8d6e601b403a413c8278eee21
[INFO] running `Command { std: "docker" "start" "-a" "0765741aa9ab8202f1ef82c28213ad1a13f36ec8d6e601b403a413c8278eee21", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `metadata`
[INFO] [stderr]  --> src/hardware/vm/mod.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::{metadata ,File};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufWriter`, `Cursor`, `Result`, and `Write`
[INFO] [stderr]  --> src/hardware/vm/mod.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufWriter, Cursor, Write, Result};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LittleEndian` and `NativeEndian`
[INFO] [stderr]  --> src/hardware/vm/mod.rs:5:42
[INFO] [stderr]   |
[INFO] [stderr] 5 | use byteorder::{ReadBytesExt, BigEndian, NativeEndian, LittleEndian};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/hardware/vm/mod.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |           x |= (0xFFFF << bit_count);
[INFO] [stderr]    |                ^                   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 26 -           x |= (0xFFFF << bit_count);
[INFO] [stderr] 26 +           x |= 0xFFFF << bit_count;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/hardware/vm/mod.rs:82:15
[INFO] [stderr]    |
[INFO] [stderr] 82 |               (instruction) => {
[INFO] [stderr]    |               ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 82 -               (instruction) => {
[INFO] [stderr] 82 +               instruction => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]    --> src/hardware/vm/mod.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let opcode = instruction >> 12;
[INFO] [stderr]     |                 ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let _opcode = instruction >> 12;
[INFO] [stderr]     |                 +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `START`
[INFO] [stderr]     |
[INFO] [stderr] 108 -             let opcode = instruction >> 12;
[INFO] [stderr] 108 +             let hardware::register::START = instruction >> 12;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/hardware/vm/mod.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |       let d = self.registers.read(dr);
[INFO] [stderr]    |           ^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 54 |       let _d = self.registers.read(dr);
[INFO] [stderr]    |           +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `START`
[INFO] [stderr]    |
[INFO] [stderr] 54 -       let d = self.registers.read(dr);
[INFO] [stderr] 54 +       let hardware::register::START = self.registers.read(dr);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `START` is never used
[INFO] [stderr]  --> src/hardware/vm/mod.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const START: u16 = 0x3000;
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MEMORY_SIZE` is never used
[INFO] [stderr]   --> src/hardware/vm/mod.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `emulator` (bin "emulator" test) generated 9 warnings (run `cargo fix --bin "emulator" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/emulator-181544a06ab4d9c0)
[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" "0765741aa9ab8202f1ef82c28213ad1a13f36ec8d6e601b403a413c8278eee21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0765741aa9ab8202f1ef82c28213ad1a13f36ec8d6e601b403a413c8278eee21", kill_on_drop: false }`
[INFO] [stdout] 0765741aa9ab8202f1ef82c28213ad1a13f36ec8d6e601b403a413c8278eee21