[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#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[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] validating manifest of git repo https://github.com/dmuraco3/emulator on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing dmuraco3/emulator against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[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] validating manifest of git repo https://github.com/dmuraco3/emulator on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8866e47fb43ce316aa7105fd45a4b8f5e9f0290094d7ee66e8a4c11b6db391c
[INFO] running `Command { std: "docker" "start" "-a" "e8866e47fb43ce316aa7105fd45a4b8f5e9f0290094d7ee66e8a4c11b6db391c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8866e47fb43ce316aa7105fd45a4b8f5e9f0290094d7ee66e8a4c11b6db391c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8866e47fb43ce316aa7105fd45a4b8f5e9f0290094d7ee66e8a4c11b6db391c", kill_on_drop: false }`
[INFO] [stdout] e8866e47fb43ce316aa7105fd45a4b8f5e9f0290094d7ee66e8a4c11b6db391c
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ac4f3dbc319954d085e52a71ced57dc8fd37c77cd463375bb7b2fa49e51619
[INFO] running `Command { std: "docker" "start" "-a" "e1ac4f3dbc319954d085e52a71ced57dc8fd37c77cd463375bb7b2fa49e51619", 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)]` 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)]` 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]    |           ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[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)]` 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 0.33s
[INFO] running `Command { std: "docker" "inspect" "e1ac4f3dbc319954d085e52a71ced57dc8fd37c77cd463375bb7b2fa49e51619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ac4f3dbc319954d085e52a71ced57dc8fd37c77cd463375bb7b2fa49e51619", kill_on_drop: false }`
[INFO] [stdout] e1ac4f3dbc319954d085e52a71ced57dc8fd37c77cd463375bb7b2fa49e51619
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d6fa4263bc1ed8744d851d3edf8a4a4e8924d15e1503ea7b406e41f72570ee
[INFO] running `Command { std: "docker" "start" "-a" "e8d6fa4263bc1ed8744d851d3edf8a4a4e8924d15e1503ea7b406e41f72570ee", 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)]` 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)]` 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]    |           ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[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)]` 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "e8d6fa4263bc1ed8744d851d3edf8a4a4e8924d15e1503ea7b406e41f72570ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d6fa4263bc1ed8744d851d3edf8a4a4e8924d15e1503ea7b406e41f72570ee", kill_on_drop: false }`
[INFO] [stdout] e8d6fa4263bc1ed8744d851d3edf8a4a4e8924d15e1503ea7b406e41f72570ee
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68b8bb0321ced07e40d073595fa82711f0d68ee34aab9b7cb92f28a47185175c
[INFO] running `Command { std: "docker" "start" "-a" "68b8bb0321ced07e40d073595fa82711f0d68ee34aab9b7cb92f28a47185175c", 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)]` 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)]` 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: `d`
[INFO] [stderr]   --> src/hardware/vm/mod.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |       let d = self.registers.read(dr);
[INFO] [stderr]    |           ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[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]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[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)]` 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 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[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" "68b8bb0321ced07e40d073595fa82711f0d68ee34aab9b7cb92f28a47185175c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b8bb0321ced07e40d073595fa82711f0d68ee34aab9b7cb92f28a47185175c", kill_on_drop: false }`
[INFO] [stdout] 68b8bb0321ced07e40d073595fa82711f0d68ee34aab9b7cb92f28a47185175c