[INFO] cloning repository https://github.com/ndtelles/gbc_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndtelles/gbc_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtelles%2Fgbc_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtelles%2Fgbc_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d3c43a49d8a4393f1a1a369ae82ff6a1e42abed
[INFO] checking ndtelles/gbc_emulator against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtelles%2Fgbc_emulator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ndtelles/gbc_emulator
[INFO] finished tweaking git repo https://github.com/ndtelles/gbc_emulator
[INFO] tweaked toml for git repo https://github.com/ndtelles/gbc_emulator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ndtelles/gbc_emulator on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ndtelles/gbc_emulator 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" "+1.95.0-beta.7" "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
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[INFO] [stdout] 2d2cb6c292c266e17323a16beea2eb45d3a1f9824516b383b19b230370d174d2
[INFO] running `Command { std: "docker" "start" "-a" "2d2cb6c292c266e17323a16beea2eb45d3a1f9824516b383b19b230370d174d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d2cb6c292c266e17323a16beea2eb45d3a1f9824516b383b19b230370d174d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2cb6c292c266e17323a16beea2eb45d3a1f9824516b383b19b230370d174d2", kill_on_drop: false }`
[INFO] [stdout] 2d2cb6c292c266e17323a16beea2eb45d3a1f9824516b383b19b230370d174d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ade2faab5934128a4ac4aa9445d40ef65aafebcc4a40bb85498991b5c578b20
[INFO] running `Command { std: "docker" "start" "-a" "3ade2faab5934128a4ac4aa9445d40ef65aafebcc4a40bb85498991b5c578b20", kill_on_drop: false }`
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[INFO] [stderr]     Checking gbc_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]  --> src/gbc/cpu/op_helpers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing::debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_span` and `trace_span`
[INFO] [stdout]  --> src/gbc/cpu.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing::{trace_span, trace, info_span, debug_span, debug};
[INFO] [stdout]   |               ^^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/gbc/render_engine/pixel_fetcher.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]  --> src/gbc/render_engine/pixel_fetcher.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GBC`
[INFO] [stdout]  --> src/gbc/render_engine/pixel_fetcher.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |         GBCState, GBC,
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/gbc/render_engine.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::{debug, debug_span, trace};
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info_span`, and `trace`
[INFO] [stdout]  --> src/gbc/virtual_memory.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, debug_span, error, info_span, trace};
[INFO] [stdout]   |               ^^^^^                     ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]  --> src/gbc/cpu/op_helpers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tracing::debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_span` and `trace_span`
[INFO] [stdout]  --> src/gbc/cpu.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing::{trace_span, trace, info_span, debug_span, debug};
[INFO] [stdout]   |               ^^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/gbc/render_engine/pixel_fetcher.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]  --> src/gbc/render_engine/pixel_fetcher.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GBC`
[INFO] [stdout]  --> src/gbc/render_engine/pixel_fetcher.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |         GBCState, GBC,
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/gbc/render_engine.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::{debug, debug_span, trace};
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info_span`, and `trace`
[INFO] [stdout]  --> src/gbc/virtual_memory.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing::{debug, debug_span, error, info_span, trace};
[INFO] [stdout]   |               ^^^^^                     ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_fetched_pixels` is never read
[INFO] [stdout]    --> src/gbc/render_engine/pixel_fetcher.rs:134:42
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let mut num_fetched_pixels = 0;
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct GBCThread {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 72 |     handle: JoinHandle<Result<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lcd_enable`, `obj_size`, `obj_enable`, and `bg_and_window_priority` are never read
[INFO] [stdout]   --> src/gbc/lcd_controller.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct LCDControl {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 49 |     pub lcd_enable: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub obj_size: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 55 |     pub obj_enable: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 56 |     pub bg_and_window_priority: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj_fifo` and `obj_slots` are never read
[INFO] [stdout]   --> src/gbc/render_engine.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Renderer {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     obj_fifo: VecDeque<Pixel>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 42 |     obj_slots: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num_banks` is never read
[INFO] [stdout]   --> src/gbc/virtual_memory/memory_area.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct MemoryArea {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     num_banks: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gbc/virtual_memory.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn read_bytes(state: &GBCState, addr: u16, length_bytes: usize) -> Cow<[u8]> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn read_bytes(state: &GBCState, addr: u16, length_bytes: usize) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gbc/virtual_memory/memory_area.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub(super) fn read_bytes(&self, addr: u16, length_bytes: usize) -> Cow<[u8]> {
[INFO] [stdout]    |                              ^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub(super) fn read_bytes(&self, addr: u16, length_bytes: usize) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_fetched_pixels` is never read
[INFO] [stdout]    --> src/gbc/render_engine/pixel_fetcher.rs:134:42
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let mut num_fetched_pixels = 0;
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct GBCThread {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 72 |     handle: JoinHandle<Result<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lcd_enable`, `obj_size`, `obj_enable`, and `bg_and_window_priority` are never read
[INFO] [stdout]   --> src/gbc/lcd_controller.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct LCDControl {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 49 |     pub lcd_enable: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub obj_size: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 55 |     pub obj_enable: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 56 |     pub bg_and_window_priority: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `obj_fifo` and `obj_slots` are never read
[INFO] [stdout]   --> src/gbc/render_engine.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Renderer {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     obj_fifo: VecDeque<Pixel>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 42 |     obj_slots: [u8; 10],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num_banks` is never read
[INFO] [stdout]   --> src/gbc/virtual_memory/memory_area.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct MemoryArea {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     num_banks: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gbc/virtual_memory.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn read_bytes(state: &GBCState, addr: u16, length_bytes: usize) -> Cow<[u8]> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn read_bytes(state: &GBCState, addr: u16, length_bytes: usize) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gbc/virtual_memory/memory_area.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub(super) fn read_bytes(&self, addr: u16, length_bytes: usize) -> Cow<[u8]> {
[INFO] [stdout]    |                              ^^^^^ the lifetime is elided here         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub(super) fn read_bytes(&self, addr: u16, length_bytes: usize) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 28s
[INFO] running `Command { std: "docker" "inspect" "3ade2faab5934128a4ac4aa9445d40ef65aafebcc4a40bb85498991b5c578b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ade2faab5934128a4ac4aa9445d40ef65aafebcc4a40bb85498991b5c578b20", kill_on_drop: false }`
[INFO] [stdout] 3ade2faab5934128a4ac4aa9445d40ef65aafebcc4a40bb85498991b5c578b20
