[INFO] cloning repository https://github.com/glinesbdev/gb_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glinesbdev/gb_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglinesbdev%2Fgb_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglinesbdev%2Fgb_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c952b663dc8f99504dc17bec867125bc8bff0810
[INFO] checking glinesbdev/gb_emulator against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglinesbdev%2Fgb_emulator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/glinesbdev/gb_emulator
[INFO] finished tweaking git repo https://github.com/glinesbdev/gb_emulator
[INFO] tweaked toml for git repo https://github.com/glinesbdev/gb_emulator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/glinesbdev/gb_emulator on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/glinesbdev/gb_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" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3a52fd5bf389d8a0b0b12686c2a3490c238afd0419be05814cc4bbbac0944e6
[INFO] running `Command { std: "docker" "start" "-a" "e3a52fd5bf389d8a0b0b12686c2a3490c238afd0419be05814cc4bbbac0944e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a52fd5bf389d8a0b0b12686c2a3490c238afd0419be05814cc4bbbac0944e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a52fd5bf389d8a0b0b12686c2a3490c238afd0419be05814cc4bbbac0944e6", kill_on_drop: false }`
[INFO] [stdout] e3a52fd5bf389d8a0b0b12686c2a3490c238afd0419be05814cc4bbbac0944e6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f060753f1bc7c57fd5cab3bb8019923ffb26800c40b930a6f9adc055d7fcbf4
[INFO] running `Command { std: "docker" "start" "-a" "7f060753f1bc7c57fd5cab3bb8019923ffb26800c40b930a6f9adc055d7fcbf4", kill_on_drop: false }`
[INFO] [stderr]     Checking gb_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `assert_flags`
[INFO] [stdout]  --> src/cpu/./tests/cpu_tests.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | macro_rules! assert_flags {
[INFO] [stdout]   |              ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `test_instruction`
[INFO] [stdout]   --> src/cpu/./tests/cpu_tests.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! test_instruction {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `carry`
[INFO] [stdout]    --> src/cpu/mod.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |         let carry = u8::from(self.registers.f.carry);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_carry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boot_rom`
[INFO] [stdout]   --> src/memory.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(boot_rom: Option<Vec<u8>>, rom: Vec<u8>) -> Self {
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boot_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn run(mut cpu: CPU) {
[INFO] [stdout]    |        ----^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `carry`
[INFO] [stdout]    --> src/cpu/mod.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |         let carry = u8::from(self.registers.f.carry);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_carry`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boot_rom`
[INFO] [stdout]   --> src/memory.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn new(boot_rom: Option<Vec<u8>>, rom: Vec<u8>) -> Self {
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boot_rom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn run(mut cpu: CPU) {
[INFO] [stdout]    |        ----^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gb_emulator` (bin "gb_emulator" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gb_emulator` (bin "gb_emulator") due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7f060753f1bc7c57fd5cab3bb8019923ffb26800c40b930a6f9adc055d7fcbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f060753f1bc7c57fd5cab3bb8019923ffb26800c40b930a6f9adc055d7fcbf4", kill_on_drop: false }`
[INFO] [stdout] 7f060753f1bc7c57fd5cab3bb8019923ffb26800c40b930a6f9adc055d7fcbf4
