[INFO] cloning repository https://github.com/codelotusr/nibble-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codelotusr/nibble-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodelotusr%2Fnibble-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodelotusr%2Fnibble-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01784254016b8512748450b99fa74b9b18587045
[INFO] checking codelotusr/nibble-8 against f1c52bf13c990fc425c542cc90a0396a87db24ba for pr-164812
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodelotusr%2Fnibble-8" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codelotusr/nibble-8
[INFO] finished tweaking git repo https://github.com/codelotusr/nibble-8
[INFO] tweaked toml for git repo https://github.com/codelotusr/nibble-8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codelotusr/nibble-8 on toolchain f1c52bf13c990fc425c542cc90a0396a87db24ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codelotusr/nibble-8 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" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4
[INFO] running `Command { std: "docker" "start" "3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4", kill_on_drop: false }`
[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" "3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4", kill_on_drop: false }`
[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" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4" "/opt/rustwide/cargo-home/bin/cargo" "+f1c52bf13c990fc425c542cc90a0396a87db24ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling sdl2 v0.38.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]    Compiling sdl2-sys v0.38.0
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking nibble-8-core v0.1.0 (/opt/rustwide/workdir/nibble-8-core)
[INFO] [stderr]     Checking nibble-8-gui v0.1.0 (/opt/rustwide/workdir/nibble-8-gui)
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]   --> nibble-8-gui/src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{self, read};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> nibble-8-gui/src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut current_state = EmulatorState::Menu;
[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: `roms`
[INFO] [stdout]   --> nibble-8-gui/src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let roms: Vec<PathBuf> = fs::read_dir("roms")?
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_roms`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reset` is never used
[INFO] [stdout]    --> nibble-8-gui/src/main.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn reset() {}
[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 import: `read`
[INFO] [stdout]   --> nibble-8-gui/src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs::{self, read};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> nibble-8-gui/src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut current_state = EmulatorState::Menu;
[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: `roms`
[INFO] [stdout]   --> nibble-8-gui/src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let roms: Vec<PathBuf> = fs::read_dir("roms")?
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_roms`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reset` is never used
[INFO] [stdout]    --> nibble-8-gui/src/main.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn reset() {}
[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 3.92s
[INFO] running `Command { std: "docker" "inspect" "3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4", kill_on_drop: false }`
[INFO] [stdout] 3d1d562abe8e90833f5638835f2a6f2a383eb9fe5acba65a353a6e9cccad37b4
