[INFO] cloning repository https://github.com/jbyte/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbyte/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbyte%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbyte%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26a560fc55c7d5f815923b9628295015f4d0cc47
[INFO] testing jbyte/chip8 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbyte%2Fchip8" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbyte/chip8 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbyte/chip8
[INFO] finished tweaking git repo https://github.com/jbyte/chip8
[INFO] tweaked toml for git repo https://github.com/jbyte/chip8 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/jbyte/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e49b63d34ff62bbf939ca3c6f50a2477f5498810318e6f6a3c81035102a9af
[INFO] running `Command { std: "docker" "start" "-a" "90e49b63d34ff62bbf939ca3c6f50a2477f5498810318e6f6a3c81035102a9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e49b63d34ff62bbf939ca3c6f50a2477f5498810318e6f6a3c81035102a9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e49b63d34ff62bbf939ca3c6f50a2477f5498810318e6f6a3c81035102a9af", kill_on_drop: false }`
[INFO] [stdout] 90e49b63d34ff62bbf939ca3c6f50a2477f5498810318e6f6a3c81035102a9af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3e28a160c4a8423ad81dcef7c5184a20590a0479238732b9fb08cdf9cae33b
[INFO] running `Command { std: "docker" "start" "-a" "0c3e28a160c4a8423ad81dcef7c5184a20590a0479238732b9fb08cdf9cae33b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling nom v2.2.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `chain`: please use [`do_parse!`](macro.do_parse.html) instead
[INFO] [stdout]   --> src/debugger/command.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / named!(
[INFO] [stdout] 25 | |     command<Command>,
[INFO] [stdout] 26 | |     chain!(
[INFO] [stdout] 27 | |         c: alt_complete!(
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             eof!(),
[INFO] [stdout] 32 | |         || c));
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `chain`: please use [`do_parse!`](macro.do_parse.html) instead
[INFO] [stdout]   --> src/debugger/command.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / named!(
[INFO] [stdout] 35 | |     step<Command>,
[INFO] [stdout] 36 | |     chain!(
[INFO] [stdout] 37 | |         alt_complete!(tag!("step") | tag!("s")) ~
[INFO] [stdout] 38 | |             count: opt!(preceded!(space, usize_parser)),
[INFO] [stdout] 39 | |         || Command::Step(count.unwrap_or(1))));
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/debugger/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INTERPRETER_START`
[INFO] [stdout]  --> src/cpu/cpu.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INTERPRETER_START: u32 = 0x000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INTERPRETER_END`
[INFO] [stdout]  --> src/cpu/cpu.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const INTERPRETER_END: u32 = 0x1FF;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INTERPRETER_LENGTH`
[INFO] [stdout]  --> src/cpu/cpu.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DATA_END`
[INFO] [stdout]   --> src/cpu/cpu.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const DATA_END: usize = 0xFFF;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DATA_LENGTH`
[INFO] [stdout]   --> src/cpu/cpu.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/cpu/cpu.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         stdin().read(&mut c);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "0c3e28a160c4a8423ad81dcef7c5184a20590a0479238732b9fb08cdf9cae33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3e28a160c4a8423ad81dcef7c5184a20590a0479238732b9fb08cdf9cae33b", kill_on_drop: false }`
[INFO] [stdout] 0c3e28a160c4a8423ad81dcef7c5184a20590a0479238732b9fb08cdf9cae33b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47fa225697ae5b16e08fa783b680d9ce60a22c531b78659c54e0b8c4025a63af
[INFO] running `Command { std: "docker" "start" "-a" "47fa225697ae5b16e08fa783b680d9ce60a22c531b78659c54e0b8c4025a63af", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `chain`: please use [`do_parse!`](macro.do_parse.html) instead
[INFO] [stdout]   --> src/debugger/command.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / named!(
[INFO] [stdout] 25 | |     command<Command>,
[INFO] [stdout] 26 | |     chain!(
[INFO] [stdout] 27 | |         c: alt_complete!(
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             eof!(),
[INFO] [stdout] 32 | |         || c));
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `chain`: please use [`do_parse!`](macro.do_parse.html) instead
[INFO] [stdout]   --> src/debugger/command.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / named!(
[INFO] [stdout] 35 | |     step<Command>,
[INFO] [stdout] 36 | |     chain!(
[INFO] [stdout] 37 | |         alt_complete!(tag!("step") | tag!("s")) ~
[INFO] [stdout] 38 | |             count: opt!(preceded!(space, usize_parser)),
[INFO] [stdout] 39 | |         || Command::Step(count.unwrap_or(1))));
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/debugger/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INTERPRETER_START`
[INFO] [stdout]  --> src/cpu/cpu.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INTERPRETER_START: u32 = 0x000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INTERPRETER_END`
[INFO] [stdout]  --> src/cpu/cpu.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const INTERPRETER_END: u32 = 0x1FF;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INTERPRETER_LENGTH`
[INFO] [stdout]  --> src/cpu/cpu.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DATA_END`
[INFO] [stdout]   --> src/cpu/cpu.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const DATA_END: usize = 0xFFF;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DATA_LENGTH`
[INFO] [stdout]   --> src/cpu/cpu.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/cpu/cpu.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         stdin().read(&mut c);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "47fa225697ae5b16e08fa783b680d9ce60a22c531b78659c54e0b8c4025a63af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fa225697ae5b16e08fa783b680d9ce60a22c531b78659c54e0b8c4025a63af", kill_on_drop: false }`
[INFO] [stdout] 47fa225697ae5b16e08fa783b680d9ce60a22c531b78659c54e0b8c4025a63af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9a0e500413e8f5a7e8f191054d611234c3fc09c23aca822a5867d43dd3e7fbb
[INFO] running `Command { std: "docker" "start" "-a" "b9a0e500413e8f5a7e8f191054d611234c3fc09c23aca822a5867d43dd3e7fbb", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `chain`: please use [`do_parse!`](macro.do_parse.html) instead
[INFO] [stderr]   --> src/debugger/command.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / named!(
[INFO] [stderr] 25 | |     command<Command>,
[INFO] [stderr] 26 | |     chain!(
[INFO] [stderr] 27 | |         c: alt_complete!(
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |             eof!(),
[INFO] [stderr] 32 | |         || c));
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `chain`: please use [`do_parse!`](macro.do_parse.html) instead
[INFO] [stderr]   --> src/debugger/command.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / named!(
[INFO] [stderr] 35 | |     step<Command>,
[INFO] [stderr] 36 | |     chain!(
[INFO] [stderr] 37 | |         alt_complete!(tag!("step") | tag!("s")) ~
[INFO] [stderr] 38 | |             count: opt!(preceded!(space, usize_parser)),
[INFO] [stderr] 39 | |         || Command::Step(count.unwrap_or(1))));
[INFO] [stderr]    | |______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Cow`
[INFO] [stderr]  --> src/debugger/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::borrow::Cow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INTERPRETER_START`
[INFO] [stderr]  --> src/cpu/cpu.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | const INTERPRETER_START: u32 = 0x000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INTERPRETER_END`
[INFO] [stderr]  --> src/cpu/cpu.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const INTERPRETER_END: u32 = 0x1FF;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INTERPRETER_LENGTH`
[INFO] [stderr]  --> src/cpu/cpu.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const INTERPRETER_LENGTH: u32 = INTERPRETER_END - INTERPRETER_START;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DATA_END`
[INFO] [stderr]   --> src/cpu/cpu.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const DATA_END: usize = 0xFFF;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DATA_LENGTH`
[INFO] [stderr]   --> src/cpu/cpu.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const DATA_LENGTH: usize = DATA_END - DATA_START;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/cpu/cpu.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         stdin().read(&mut c);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8-ab9d9e51f3d4760d)
[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" "b9a0e500413e8f5a7e8f191054d611234c3fc09c23aca822a5867d43dd3e7fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a0e500413e8f5a7e8f191054d611234c3fc09c23aca822a5867d43dd3e7fbb", kill_on_drop: false }`
[INFO] [stdout] b9a0e500413e8f5a7e8f191054d611234c3fc09c23aca822a5867d43dd3e7fbb