[INFO] cloning repository https://github.com/nstylo/chip8-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nstylo/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8df863d9fbd7eb7b13c8138428616d596436a329
[INFO] checking nstylo/chip8-rust against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nstylo/chip8-rust
[INFO] finished tweaking git repo https://github.com/nstylo/chip8-rust
[INFO] tweaked toml for git repo https://github.com/nstylo/chip8-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nstylo/chip8-rust on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nstylo/chip8-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4793117e5e233362447e36f22549d74645245b7610a387b0b8643500c595b331
[INFO] running `Command { std: "docker" "start" "-a" "4793117e5e233362447e36f22549d74645245b7610a387b0b8643500c595b331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4793117e5e233362447e36f22549d74645245b7610a387b0b8643500c595b331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4793117e5e233362447e36f22549d74645245b7610a387b0b8643500c595b331", kill_on_drop: false }`
[INFO] [stdout] 4793117e5e233362447e36f22549d74645245b7610a387b0b8643500c595b331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb7cbf266bda0c7125e6071c518ad90c1098aa2fa34165f95f859cd0dc858b1
[INFO] running `Command { std: "docker" "start" "-a" "4eb7cbf266bda0c7125e6071c518ad90c1098aa2fa34165f95f859cd0dc858b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chip8-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/cpu.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let n = opcode.0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cpu` is never constructed
[INFO] [stdout]  --> src/cpu.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cpu {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read`, `load_rom`, `load_instruction`, and `run_instruction` are never used
[INFO] [stdout]   --> src/cpu.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Cpu {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn write(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn read(&self, address: u16) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn load_rom(&mut self, data: &Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn load_instruction(&self, addr: u16) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn run_instruction(&mut self, instruction: u16) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/cpu.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let n = opcode.0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cpu` is never constructed
[INFO] [stdout]  --> src/cpu.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Cpu {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read`, `load_rom`, `load_instruction`, and `run_instruction` are never used
[INFO] [stdout]   --> src/cpu.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Cpu {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn write(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn read(&self, address: u16) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn load_rom(&mut self, data: &Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn load_instruction(&self, addr: u16) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn run_instruction(&mut self, instruction: u16) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "4eb7cbf266bda0c7125e6071c518ad90c1098aa2fa34165f95f859cd0dc858b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb7cbf266bda0c7125e6071c518ad90c1098aa2fa34165f95f859cd0dc858b1", kill_on_drop: false }`
[INFO] [stdout] 4eb7cbf266bda0c7125e6071c518ad90c1098aa2fa34165f95f859cd0dc858b1
