[INFO] fetching crate rustboy-core 0.2.0...
[INFO] checking rustboy-core-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rustboy-core 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rustboy-core 0.2.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustboy-core 0.2.0
[INFO] finished tweaking crates.io crate rustboy-core 0.2.0
[INFO] tweaked toml for crates.io crate rustboy-core 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] [stderr]       Adding assert_hex v0.2.2 (latest: v0.4.1)
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[INFO] [stderr]       Adding mockall v0.11.4 (latest: v0.13.0)
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[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
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[INFO] [stderr]       Adding test-case v1.2.3 (latest: v3.3.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_hex v0.2.2
[INFO] [stderr]   Downloaded test-case v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0fdca7ff999b67b47e5193958dd01fc12503d47d421fbe6c5189a3570755d5a
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[INFO] running `Command { std: "docker" "inspect" "b0fdca7ff999b67b47e5193958dd01fc12503d47d421fbe6c5189a3570755d5a", kill_on_drop: false }`
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[INFO] [stdout] a54bb519d47f9e17da278ea56669fbaf0a4e66005903007e70c92dcf6de75acb
[INFO] running `Command { std: "docker" "start" "-a" "a54bb519d47f9e17da278ea56669fbaf0a4e66005903007e70c92dcf6de75acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]     Checking float-cmp v0.9.0
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[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]     Checking assert_hex v0.2.2
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.9.0
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_with v3.9.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rustboy-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_lower_byte` is never used
[INFO] [stdout]   --> src/internal/util/bit_util.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub trait BitUtil {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 92 |   fn get_lower_byte(&self) -> u8;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reverse` is never used
[INFO] [stdout]   --> src/internal/util/bit_util.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub trait ByteUtil {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 98 |   fn interleave_with(&self, byte: u8) -> u16;
[INFO] [stdout] 99 |   fn reverse(&self) -> u8;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_high_byte` and `set_low_byte` are never used
[INFO] [stdout]    --> src/internal/util/bit_util.rs:105:6
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait WordUtil {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 105 |   fn set_high_byte(&self, byte: u8) -> Self;
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 106 |   fn set_low_byte(&self, byte: u8) -> Self;
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_byte` is never used
[INFO] [stdout]  --> src/internal/memory/mbc.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Loadable {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 7 |   fn load_byte(&mut self, address: usize, value: u8);
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `compatibility_byte`, `is_licensed_by_nintendo`, `fourth_title_letter`, `title_checksum`, and `cgb_mode` are never used
[INFO] [stdout]   --> src/internal/memory/mbc.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait MBC: Memory + Loadable {
[INFO] [stdout]    |           --- methods in this trait
[INFO] [stdout] 12 |   fn compatibility_byte(&self) -> u8 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |   fn is_licensed_by_nintendo(&self) -> bool {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   fn fourth_title_letter(&self) -> u8 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   fn title_checksum(&self) -> u8 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   fn cgb_mode(&self) -> CGBMode {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `interrupts_enabled`, `enable_interrupts`, `disable_interrupts`, and `clear_interrupt` are never used
[INFO] [stdout]   --> src/internal/cpu/interrupts.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait InterruptController {
[INFO] [stdout]    |           ------------------- methods in this trait
[INFO] [stdout] 51 |   fn get_requested_interrupt(&self) -> Option<Interrupt>;
[INFO] [stdout] 52 |   fn interrupts_enabled(&self) -> bool;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 53 |   fn enable_interrupts(&mut self);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 54 |   fn disable_interrupts(&mut self);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 55 |   fn request_interrupt(&mut self, interrupt: Interrupt);
[INFO] [stdout] 56 |   fn clear_interrupt(&mut self, interrupt: Interrupt);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AudioController` is never used
[INFO] [stdout]   --> src/internal/controllers/audio.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait AudioController {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_lower_byte` is never used
[INFO] [stdout]   --> src/internal/util/bit_util.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub trait BitUtil {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 92 |   fn get_lower_byte(&self) -> u8;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reverse` is never used
[INFO] [stdout]   --> src/internal/util/bit_util.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub trait ByteUtil {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 98 |   fn interleave_with(&self, byte: u8) -> u16;
[INFO] [stdout] 99 |   fn reverse(&self) -> u8;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_high_byte` and `set_low_byte` are never used
[INFO] [stdout]    --> src/internal/util/bit_util.rs:105:6
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait WordUtil {
[INFO] [stdout]     |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 105 |   fn set_high_byte(&self, byte: u8) -> Self;
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 106 |   fn set_low_byte(&self, byte: u8) -> Self;
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `compatibility_byte`, `is_licensed_by_nintendo`, `fourth_title_letter`, `title_checksum`, and `cgb_mode` are never used
[INFO] [stdout]   --> src/internal/memory/mbc.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait MBC: Memory + Loadable {
[INFO] [stdout]    |           --- methods in this trait
[INFO] [stdout] 12 |   fn compatibility_byte(&self) -> u8 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |   fn is_licensed_by_nintendo(&self) -> bool {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   fn fourth_title_letter(&self) -> u8 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |   fn title_checksum(&self) -> u8 {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   fn cgb_mode(&self) -> CGBMode {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `interrupts_enabled` is never used
[INFO] [stdout]   --> src/internal/cpu/interrupts.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait InterruptController {
[INFO] [stdout]    |           ------------------- method in this trait
[INFO] [stdout] 51 |   fn get_requested_interrupt(&self) -> Option<Interrupt>;
[INFO] [stdout] 52 |   fn interrupts_enabled(&self) -> bool;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AudioController` is never used
[INFO] [stdout]   --> src/internal/controllers/audio.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait AudioController {}
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.79s
[INFO] running `Command { std: "docker" "inspect" "a54bb519d47f9e17da278ea56669fbaf0a4e66005903007e70c92dcf6de75acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54bb519d47f9e17da278ea56669fbaf0a4e66005903007e70c92dcf6de75acb", kill_on_drop: false }`
[INFO] [stdout] a54bb519d47f9e17da278ea56669fbaf0a4e66005903007e70c92dcf6de75acb