[INFO] cloning repository https://github.com/dpl0/gemub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpl0/gemub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpl0%2Fgemub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpl0%2Fgemub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 995f0dc826083ddd164f31a441ebddbdd48c92b3
[INFO] testing dpl0/gemub against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpl0%2Fgemub" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpl0/gemub on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpl0/gemub
[INFO] finished tweaking git repo https://github.com/dpl0/gemub
[INFO] tweaked toml for git repo https://github.com/dpl0/gemub written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/dpl0/gemub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91569ab9b86a0e0b8b90dc3e361f3856718d7258e271f6b64ad69631b37ac3a7
[INFO] running `Command { std: "docker" "start" "-a" "91569ab9b86a0e0b8b90dc3e361f3856718d7258e271f6b64ad69631b37ac3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91569ab9b86a0e0b8b90dc3e361f3856718d7258e271f6b64ad69631b37ac3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91569ab9b86a0e0b8b90dc3e361f3856718d7258e271f6b64ad69631b37ac3a7", kill_on_drop: false }`
[INFO] [stdout] 91569ab9b86a0e0b8b90dc3e361f3856718d7258e271f6b64ad69631b37ac3a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edcbf0fa3bfb135a03c36ddafd7c4b7e1d11de835f0d3c4bda175ae3d98525fd
[INFO] running `Command { std: "docker" "start" "-a" "edcbf0fa3bfb135a03c36ddafd7c4b7e1d11de835f0d3c4bda175ae3d98525fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gemub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/gameboy/bus.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let buf = buf; // Shadow into an inmutable Copy.
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `z`
[INFO] [stdout]  --> src/gameboy/cpu.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 |    z: bool, // Zero, Non-Zero (set when the result of a math op is
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/gameboy/cpu.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |    n: bool, // Set if the last math OP was a substraction.
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/gameboy/cpu.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 |    h: bool, // Half-Carry, set if a carry occurred from the lower
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> src/gameboy/cpu.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 |    c: bool, // Carry Flag, set if a carry occured from the last
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `af`
[INFO] [stdout]   --> src/gameboy/cpu.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 |    af: (u8,u8),
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bc`
[INFO] [stdout]   --> src/gameboy/cpu.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 |    bc: (u8, u8),
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `de`
[INFO] [stdout]   --> src/gameboy/cpu.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 |    de: (u8, u8),
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hl`
[INFO] [stdout]   --> src/gameboy/cpu.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 |    hl: (u8, u8),
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/gameboy/cpu.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 |    sp: u16, // Stack Pointer, used to keep track of the top of the stack.
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pc`
[INFO] [stdout]   --> src/gameboy/cpu.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 |    pc: u16, // 0x100 by default.
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag`
[INFO] [stdout]   --> src/gameboy/cpu.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 |    flag: Flag,
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ram`
[INFO] [stdout]   --> src/gameboy/bus.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ram: Box<Vec<u8>>, // Store memory in heap.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.52s
[INFO] running `Command { std: "docker" "inspect" "edcbf0fa3bfb135a03c36ddafd7c4b7e1d11de835f0d3c4bda175ae3d98525fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcbf0fa3bfb135a03c36ddafd7c4b7e1d11de835f0d3c4bda175ae3d98525fd", kill_on_drop: false }`
[INFO] [stdout] edcbf0fa3bfb135a03c36ddafd7c4b7e1d11de835f0d3c4bda175ae3d98525fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 595e8fe08882a65e623c78281594d8c22b58c8545ea1f6552afbcb6f1c92911b
[INFO] running `Command { std: "docker" "start" "-a" "595e8fe08882a65e623c78281594d8c22b58c8545ea1f6552afbcb6f1c92911b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gemub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/gameboy/bus.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let buf = buf; // Shadow into an inmutable Copy.
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `z`
[INFO] [stdout]  --> src/gameboy/cpu.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 |    z: bool, // Zero, Non-Zero (set when the result of a math op is
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/gameboy/cpu.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |    n: bool, // Set if the last math OP was a substraction.
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `h`
[INFO] [stdout]   --> src/gameboy/cpu.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 |    h: bool, // Half-Carry, set if a carry occurred from the lower
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> src/gameboy/cpu.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 |    c: bool, // Carry Flag, set if a carry occured from the last
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `af`
[INFO] [stdout]   --> src/gameboy/cpu.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 |    af: (u8,u8),
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bc`
[INFO] [stdout]   --> src/gameboy/cpu.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 |    bc: (u8, u8),
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `de`
[INFO] [stdout]   --> src/gameboy/cpu.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 |    de: (u8, u8),
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hl`
[INFO] [stdout]   --> src/gameboy/cpu.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 |    hl: (u8, u8),
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sp`
[INFO] [stdout]   --> src/gameboy/cpu.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 |    sp: u16, // Stack Pointer, used to keep track of the top of the stack.
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pc`
[INFO] [stdout]   --> src/gameboy/cpu.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 |    pc: u16, // 0x100 by default.
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag`
[INFO] [stdout]   --> src/gameboy/cpu.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 |    flag: Flag,
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ram`
[INFO] [stdout]   --> src/gameboy/bus.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ram: Box<Vec<u8>>, // Store memory in heap.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "595e8fe08882a65e623c78281594d8c22b58c8545ea1f6552afbcb6f1c92911b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595e8fe08882a65e623c78281594d8c22b58c8545ea1f6552afbcb6f1c92911b", kill_on_drop: false }`
[INFO] [stdout] 595e8fe08882a65e623c78281594d8c22b58c8545ea1f6552afbcb6f1c92911b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 741741bf34ab7f2469c975371e008ba55c43f18b01e781ea2c04e7c6a317a550
[INFO] running `Command { std: "docker" "start" "-a" "741741bf34ab7f2469c975371e008ba55c43f18b01e781ea2c04e7c6a317a550", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/gameboy/bus.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let buf = buf; // Shadow into an inmutable Copy.
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `z`
[INFO] [stderr]  --> src/gameboy/cpu.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 |    z: bool, // Zero, Non-Zero (set when the result of a math op is
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]   --> src/gameboy/cpu.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 |    n: bool, // Set if the last math OP was a substraction.
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `h`
[INFO] [stderr]   --> src/gameboy/cpu.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 |    h: bool, // Half-Carry, set if a carry occurred from the lower
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `c`
[INFO] [stderr]   --> src/gameboy/cpu.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 |    c: bool, // Carry Flag, set if a carry occured from the last
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `af`
[INFO] [stderr]   --> src/gameboy/cpu.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 |    af: (u8,u8),
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bc`
[INFO] [stderr]   --> src/gameboy/cpu.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 |    bc: (u8, u8),
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `de`
[INFO] [stderr]   --> src/gameboy/cpu.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 |    de: (u8, u8),
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hl`
[INFO] [stderr]   --> src/gameboy/cpu.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 |    hl: (u8, u8),
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sp`
[INFO] [stderr]   --> src/gameboy/cpu.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 |    sp: u16, // Stack Pointer, used to keep track of the top of the stack.
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pc`
[INFO] [stderr]   --> src/gameboy/cpu.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 |    pc: u16, // 0x100 by default.
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `flag`
[INFO] [stderr]   --> src/gameboy/cpu.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 |    flag: Flag,
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ram`
[INFO] [stderr]   --> src/gameboy/bus.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ram: Box<Vec<u8>>, // Store memory in heap.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gemub` (bin "gemub" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gemub-f6c10fe5179f6c5c)
[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" "741741bf34ab7f2469c975371e008ba55c43f18b01e781ea2c04e7c6a317a550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741741bf34ab7f2469c975371e008ba55c43f18b01e781ea2c04e7c6a317a550", kill_on_drop: false }`
[INFO] [stdout] 741741bf34ab7f2469c975371e008ba55c43f18b01e781ea2c04e7c6a317a550