[INFO] cloning repository https://github.com/mikeyloboto/gameboy-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikeyloboto/gameboy-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeyloboto%2Fgameboy-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeyloboto%2Fgameboy-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ba566a0678e0764f61e71102fa46031aa115f3b
[INFO] checking mikeyloboto/gameboy-rust against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeyloboto%2Fgameboy-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikeyloboto/gameboy-rust on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikeyloboto/gameboy-rust
[INFO] finished tweaking git repo https://github.com/mikeyloboto/gameboy-rust
[INFO] tweaked toml for git repo https://github.com/mikeyloboto/gameboy-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mikeyloboto/gameboy-rust 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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ad83bf1bdd5f10fb45b14ccf1cb791f9c8adc01f48dd8cc5116135fef93a03b
[INFO] running `Command { std: "docker" "start" "-a" "1ad83bf1bdd5f10fb45b14ccf1cb791f9c8adc01f48dd8cc5116135fef93a03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad83bf1bdd5f10fb45b14ccf1cb791f9c8adc01f48dd8cc5116135fef93a03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad83bf1bdd5f10fb45b14ccf1cb791f9c8adc01f48dd8cc5116135fef93a03b", kill_on_drop: false }`
[INFO] [stdout] 1ad83bf1bdd5f10fb45b14ccf1cb791f9c8adc01f48dd8cc5116135fef93a03b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e8f598f9923d4a6034ef09cd585bbb79920b04edc27b243900f608eedf62f23
[INFO] running `Command { std: "docker" "start" "-a" "5e8f598f9923d4a6034ef09cd585bbb79920b04edc27b243900f608eedf62f23", kill_on_drop: false }`
[INFO] [stderr]     Checking gbr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `de`, `hl`, and `sp` are never read
[INFO] [stdout]   --> src/hardware.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9  |     de: Register,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     hl: Register,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     sp: Register,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_high` is never used
[INFO] [stdout]   --> src/hardware.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Register {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn set_high(&mut self, value: u8) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key` is never read
[INFO] [stdout]   --> src/hardware.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct MBC {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 36 |     pub mem: Vec<u8>,
[INFO] [stdout] 37 |     key: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MBC` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ram` is never read
[INFO] [stdout]   --> src/hardware.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Device {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     ram: Vec<MBC>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `game_title`, `ram_size`, and `cartridge_type` are never read
[INFO] [stdout]    --> src/meta.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub struct CartridgeMetadata {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 126 |     game_title: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 127 |     rom_size: u8,
[INFO] [stdout] 128 |     ram_size: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 129 |     cartridge_type: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `game_title`, `ram_size`, and `cartridge_type` are never used
[INFO] [stdout]    --> src/meta.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl CartridgeMetadata {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 132 |     pub fn game_title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn ram_size(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn cartridge_type(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tile_to_displayable` is never used
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn tile_to_displayable(data: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `de`, `hl`, and `sp` are never read
[INFO] [stdout]   --> src/hardware.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9  |     de: Register,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     hl: Register,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     sp: Register,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_high` is never used
[INFO] [stdout]   --> src/hardware.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Register {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn set_high(&mut self, value: u8) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key` is never read
[INFO] [stdout]   --> src/hardware.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct MBC {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 36 |     pub mem: Vec<u8>,
[INFO] [stdout] 37 |     key: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MBC` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ram` is never read
[INFO] [stdout]   --> src/hardware.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Device {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     ram: Vec<MBC>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `game_title`, `ram_size`, and `cartridge_type` are never read
[INFO] [stdout]    --> src/meta.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub struct CartridgeMetadata {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 126 |     game_title: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 127 |     rom_size: u8,
[INFO] [stdout] 128 |     ram_size: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 129 |     cartridge_type: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `game_title`, `ram_size`, and `cartridge_type` are never used
[INFO] [stdout]    --> src/meta.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl CartridgeMetadata {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 132 |     pub fn game_title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn ram_size(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn cartridge_type(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tile_to_displayable` is never used
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn tile_to_displayable(data: &[u8]) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "5e8f598f9923d4a6034ef09cd585bbb79920b04edc27b243900f608eedf62f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8f598f9923d4a6034ef09cd585bbb79920b04edc27b243900f608eedf62f23", kill_on_drop: false }`
[INFO] [stdout] 5e8f598f9923d4a6034ef09cd585bbb79920b04edc27b243900f608eedf62f23