[INFO] cloning repository https://github.com/swampholyten/chip8_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swampholyten/chip8_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswampholyten%2Fchip8_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswampholyten%2Fchip8_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c503d07afcdc10acc8b463cf8355db5da5c3bfad
[INFO] checking swampholyten/chip8_emulator against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswampholyten%2Fchip8_emulator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/swampholyten/chip8_emulator
[INFO] finished tweaking git repo https://github.com/swampholyten/chip8_emulator
[INFO] tweaked toml for git repo https://github.com/swampholyten/chip8_emulator written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swampholyten/chip8_emulator on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swampholyten/chip8_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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e0a55547eea40316dc9340cad242b4d6659c43b3d2d4205597be84050549772
[INFO] running `Command { std: "docker" "start" "-a" "1e0a55547eea40316dc9340cad242b4d6659c43b3d2d4205597be84050549772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e0a55547eea40316dc9340cad242b4d6659c43b3d2d4205597be84050549772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0a55547eea40316dc9340cad242b4d6659c43b3d2d4205597be84050549772", kill_on_drop: false }`
[INFO] [stdout] 1e0a55547eea40316dc9340cad242b4d6659c43b3d2d4205597be84050549772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d9a4403d46f21f85611be2c773b602e8c11642faebfaa96fbe5be675ba84a2b
[INFO] running `Command { std: "docker" "start" "-a" "9d9a4403d46f21f85611be2c773b602e8c11642faebfaa96fbe5be675ba84a2b", kill_on_drop: false }`
[INFO] [stderr]     Checking chip8_core v0.1.0 (/opt/rustwide/workdir/chip8_core)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> chip8_core/src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let op = self.fetch();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push`, `pop`, and `execute` are never used
[INFO] [stdout]    --> chip8_core/src/lib.rs:77:8
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl Emu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  77 |     fn push(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     fn pop(&mut self) -> u16 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn execute(&mut self, op: u16) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking desktop v0.1.0 (/opt/rustwide/workdir/desktop)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> chip8_core/src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let op = self.fetch();
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push`, `pop`, and `execute` are never used
[INFO] [stdout]    --> chip8_core/src/lib.rs:77:8
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl Emu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  77 |     fn push(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     fn pop(&mut self) -> u16 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn execute(&mut self, op: u16) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "9d9a4403d46f21f85611be2c773b602e8c11642faebfaa96fbe5be675ba84a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9a4403d46f21f85611be2c773b602e8c11642faebfaa96fbe5be675ba84a2b", kill_on_drop: false }`
[INFO] [stdout] 9d9a4403d46f21f85611be2c773b602e8c11642faebfaa96fbe5be675ba84a2b