[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 db8f076d2619ce2585b0380dda06e8da25a40da4 for pr-163699
[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] 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] validating manifest of git repo https://github.com/wbjohnston/gameboy on toolchain db8f076d2619ce2585b0380dda06e8da25a40da4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v0.8.0
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded serde_json v1.0.42
[INFO] [stderr]   Downloaded quickcheck v0.9.0
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded serde v1.0.103
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 55edab3788559b7d13f76429162bd189ff6179259e3152d3d73e039025b129c0
[INFO] running `Command { std: "docker" "start" "55edab3788559b7d13f76429162bd189ff6179259e3152d3d73e039025b129c0", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "55edab3788559b7d13f76429162bd189ff6179259e3152d3d73e039025b129c0" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55edab3788559b7d13f76429162bd189ff6179259e3152d3d73e039025b129c0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling backtrace-sys v0.1.32
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[INFO] [stderr]     Checking rayon-core v1.6.1
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[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]     Checking criterion v0.3.0
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/debugger.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Fail` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_AppError`
[INFO] [stdout] 22 | enum AppError {
[INFO] [stdout]    |      -------- `AppError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/debugger.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Display` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_AppError`
[INFO] [stdout] 22 | enum AppError {
[INFO] [stdout]    |      -------- `AppError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/debugger.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Fail` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_AppError`
[INFO] [stdout] 22 | enum AppError {
[INFO] [stdout]    |      -------- `AppError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/debugger.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, Fail)]
[INFO] [stdout]    |                 ^---
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Display` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_AppError`
[INFO] [stdout] 22 | enum AppError {
[INFO] [stdout]    |      -------- `AppError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0, quickcheck v0.9.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "55edab3788559b7d13f76429162bd189ff6179259e3152d3d73e039025b129c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55edab3788559b7d13f76429162bd189ff6179259e3152d3d73e039025b129c0", kill_on_drop: false }`
[INFO] [stdout] 55edab3788559b7d13f76429162bd189ff6179259e3152d3d73e039025b129c0
