[INFO] cloning repository https://github.com/AntoArroyo/rust_chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntoArroyo/rust_chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoArroyo%2Frust_chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoArroyo%2Frust_chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57e129eb72d6835d43d4ee2001b1a57b97ac5eb9
[INFO] testing AntoArroyo/rust_chip8 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntoArroyo%2Frust_chip8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AntoArroyo/rust_chip8
[INFO] finished tweaking git repo https://github.com/AntoArroyo/rust_chip8
[INFO] tweaked toml for git repo https://github.com/AntoArroyo/rust_chip8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AntoArroyo/rust_chip8 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AntoArroyo/rust_chip8 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minifb v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b8ad4cfe089cd0a31cdcb662d2b62ecbcb816467fd5f30b38062def13d06a0e
[INFO] running `Command { std: "docker" "start" "-a" "3b8ad4cfe089cd0a31cdcb662d2b62ecbcb816467fd5f30b38062def13d06a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8ad4cfe089cd0a31cdcb662d2b62ecbcb816467fd5f30b38062def13d06a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8ad4cfe089cd0a31cdcb662d2b62ecbcb816467fd5f30b38062def13d06a0e", kill_on_drop: false }`
[INFO] [stdout] 3b8ad4cfe089cd0a31cdcb662d2b62ecbcb816467fd5f30b38062def13d06a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb02befe19e5bdd2669d847fb36647cf125906d5428bf23f23810615a43e049
[INFO] running `Command { std: "docker" "start" "-a" "feb02befe19e5bdd2669d847fb36647cf125906d5428bf23f23810615a43e049", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling minifb v0.14.0
[INFO] [stderr]    Compiling rust_chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/main.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, fs::File,  io::{ BufRead, BufReader, Error, Read}};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/main.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:570:9
[INFO] [stdout]     |
[INFO] [stdout] 570 |     let mut graphics = Graphics {
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_graphics` is never used
[INFO] [stdout]    --> src/main.rs:506:4
[INFO] [stdout]     |
[INFO] [stdout] 506 | fn render_graphics(graphics: &Graphics) {
[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 19.68s
[INFO] running `Command { std: "docker" "inspect" "feb02befe19e5bdd2669d847fb36647cf125906d5428bf23f23810615a43e049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb02befe19e5bdd2669d847fb36647cf125906d5428bf23f23810615a43e049", kill_on_drop: false }`
[INFO] [stdout] feb02befe19e5bdd2669d847fb36647cf125906d5428bf23f23810615a43e049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf2ea975a0fc9c28da2cecfd25275d6aa1cf1ee7d86888fc3549ed5e22cfe8c
[INFO] running `Command { std: "docker" "start" "-a" "bcf2ea975a0fc9c28da2cecfd25275d6aa1cf1ee7d86888fc3549ed5e22cfe8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/main.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, fs::File,  io::{ BufRead, BufReader, Error, Read}};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/main.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:570:9
[INFO] [stdout]     |
[INFO] [stdout] 570 |     let mut graphics = Graphics {
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_graphics` is never used
[INFO] [stdout]    --> src/main.rs:506:4
[INFO] [stdout]     |
[INFO] [stdout] 506 | fn render_graphics(graphics: &Graphics) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "bcf2ea975a0fc9c28da2cecfd25275d6aa1cf1ee7d86888fc3549ed5e22cfe8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf2ea975a0fc9c28da2cecfd25275d6aa1cf1ee7d86888fc3549ed5e22cfe8c", kill_on_drop: false }`
[INFO] [stdout] bcf2ea975a0fc9c28da2cecfd25275d6aa1cf1ee7d86888fc3549ed5e22cfe8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 606a99785f0f1d2e1beffab8153899e8eabc3fd380106a3945a41197e63036d4
[INFO] running `Command { std: "docker" "start" "-a" "606a99785f0f1d2e1beffab8153899e8eabc3fd380106a3945a41197e63036d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stderr]  --> src/main.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{env, fs::File,  io::{ BufRead, BufReader, Error, Read}};
[INFO] [stderr]   |                                 ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]  --> src/main.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:570:9
[INFO] [stderr]     |
[INFO] [stderr] 570 |     let mut graphics = Graphics {
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `render_graphics` is never used
[INFO] [stderr]    --> src/main.rs:506:4
[INFO] [stderr]     |
[INFO] [stderr] 506 | fn render_graphics(graphics: &Graphics) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_chip8` (bin "rust_chip8" test) generated 4 warnings (run `cargo fix --bin "rust_chip8" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_chip8-93e3767d7350aa26)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_clear_display ... ok
[INFO] [stdout] test tests::test_jump_plus_v0 ... ok
[INFO] [stdout] test tests::test_skip_if_equal ... ok
[INFO] [stdout] test tests::test_jump ... ok
[INFO] [stdout] test tests::test_call_and_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "606a99785f0f1d2e1beffab8153899e8eabc3fd380106a3945a41197e63036d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606a99785f0f1d2e1beffab8153899e8eabc3fd380106a3945a41197e63036d4", kill_on_drop: false }`
[INFO] [stdout] 606a99785f0f1d2e1beffab8153899e8eabc3fd380106a3945a41197e63036d4
