[INFO] cloning repository https://github.com/wbjohnston/gameboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wbjohnston/gameboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbjohnston%2Fgameboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbjohnston%2Fgameboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b941701ef8a8b59bc8a87c03a7799433d9fd0c7
[INFO] checking wbjohnston/gameboy against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbjohnston%2Fgameboy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wbjohnston/gameboy on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wbjohnston/gameboy
[INFO] finished tweaking git repo https://github.com/wbjohnston/gameboy
[INFO] tweaked toml for git repo https://github.com/wbjohnston/gameboy written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wbjohnston/gameboy 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd35919c92fe9cb89cecd077a30c80dc0873bd41ed6b41bf34ab4cb69dbf1fd7
[INFO] running `Command { std: "docker" "start" "-a" "bd35919c92fe9cb89cecd077a30c80dc0873bd41ed6b41bf34ab4cb69dbf1fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd35919c92fe9cb89cecd077a30c80dc0873bd41ed6b41bf34ab4cb69dbf1fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd35919c92fe9cb89cecd077a30c80dc0873bd41ed6b41bf34ab4cb69dbf1fd7", kill_on_drop: false }`
[INFO] [stdout] bd35919c92fe9cb89cecd077a30c80dc0873bd41ed6b41bf34ab4cb69dbf1fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e11b5d4cd1dcc9d8e828846d66b5bb9e2bdb9423a92794c041c14b175efddfac
[INFO] running `Command { std: "docker" "start" "-a" "e11b5d4cd1dcc9d8e828846d66b5bb9e2bdb9423a92794c041c14b175efddfac", kill_on_drop: false }`
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[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking either v1.5.3
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[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rayon-core v1.6.1
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[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Checking gameboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mmu`
[INFO] [stdout]   --> src/ppu.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn step(&mut self, mmu: &mut MMU, n_cycles: u8) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_mmu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_cycles`
[INFO] [stdout]   --> src/ppu.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn step(&mut self, mmu: &mut MMU, n_cycles: u8) {
[INFO] [stdout]    |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn read_ram(&self, address: u16) -> u8 {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/util.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn set_bit(target: u16, n: u8, value: bool) -> u16 {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_n_flag`, `n_flag`, and `h_flag` are never used
[INFO] [stdout]     --> src/cpu.rs:1145:6
[INFO] [stdout]      |
[INFO] [stdout] 19   | impl CPU {
[INFO] [stdout]      | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1145 |   fn get_n_flag(&self) -> bool {
[INFO] [stdout]      |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1174 |   fn n_flag(&self) -> bool {
[INFO] [stdout]      |      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1178 |   fn h_flag(&self) -> bool {
[INFO] [stdout]      |      ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cartridge`
[INFO] [stdout]   --> src/bin/debugger.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 |   let cartridge = {
[INFO] [stdout]    |       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cartridge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/bin/debugger.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |       [n] if n.clone().chars().all(char::is_numeric) => {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stdout] warning: unused variable: `cartridge`
[INFO] [stdout]   --> src/bin/debugger.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 |   let cartridge = {
[INFO] [stdout]    |       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cartridge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/bin/debugger.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |       [n] if n.clone().chars().all(char::is_numeric) => {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mmu`
[INFO] [stdout]   --> src/ppu.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn step(&mut self, mmu: &mut MMU, n_cycles: u8) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_mmu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_cycles`
[INFO] [stdout]   --> src/ppu.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn step(&mut self, mmu: &mut MMU, n_cycles: u8) {
[INFO] [stdout]    |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_cycles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/cartridge.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |   pub fn read_ram(&self, address: u16) -> u8 {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/util.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn set_bit(target: u16, n: u8, value: bool) -> u16 {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_n_flag`, `n_flag`, and `h_flag` are never used
[INFO] [stdout]     --> src/cpu.rs:1145:6
[INFO] [stdout]      |
[INFO] [stdout] 19   | impl CPU {
[INFO] [stdout]      | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1145 |   fn get_n_flag(&self) -> bool {
[INFO] [stdout]      |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1174 |   fn n_flag(&self) -> bool {
[INFO] [stdout]      |      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1178 |   fn h_flag(&self) -> bool {
[INFO] [stdout]      |      ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e11b5d4cd1dcc9d8e828846d66b5bb9e2bdb9423a92794c041c14b175efddfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11b5d4cd1dcc9d8e828846d66b5bb9e2bdb9423a92794c041c14b175efddfac", kill_on_drop: false }`
[INFO] [stdout] e11b5d4cd1dcc9d8e828846d66b5bb9e2bdb9423a92794c041c14b175efddfac