[INFO] cloning repository https://github.com/HParker/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HParker/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHParker%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHParker%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ffad9c7dd640af05102dc1f9d27322043e851d8
[INFO] testing HParker/chip-8 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHParker%2Fchip-8" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HParker/chip-8 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HParker/chip-8
[INFO] finished tweaking git repo https://github.com/HParker/chip-8
[INFO] tweaked toml for git repo https://github.com/HParker/chip-8 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/HParker/chip-8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minifb v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf36b9ab42138c3a0a525cdc17400e8de4ec6c908fb7bc124970ed38fe3de291
[INFO] running `Command { std: "docker" "start" "-a" "cf36b9ab42138c3a0a525cdc17400e8de4ec6c908fb7bc124970ed38fe3de291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf36b9ab42138c3a0a525cdc17400e8de4ec6c908fb7bc124970ed38fe3de291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf36b9ab42138c3a0a525cdc17400e8de4ec6c908fb7bc124970ed38fe3de291", kill_on_drop: false }`
[INFO] [stdout] cf36b9ab42138c3a0a525cdc17400e8de4ec6c908fb7bc124970ed38fe3de291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a699317e7632ec10f0992b4c02d67257bcecb0dceaca239492a0764a45610725
[INFO] running `Command { std: "docker" "start" "-a" "a699317e7632ec10f0992b4c02d67257bcecb0dceaca239492a0764a45610725", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling minifb v0.12.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::Wrapping`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::Wrapping;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:166:15
[INFO] [stdout]     |
[INFO] [stdout] 166 |         match ((instruction & 0xF000) >> 12) {
[INFO] [stdout]     |               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -         match ((instruction & 0xF000) >> 12) {
[INFO] [stdout] 166 +         match (instruction & 0xF000) >> 12 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]    --> src/main.rs:407:11
[INFO] [stdout]     |
[INFO] [stdout] 407 | use std::{thread, time};
[INFO] [stdout]     |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:362:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |                         panic!("Unrecognized instruction {:#x}", instruction);
[INFO] [stdout]     |                         ----------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 362 |                         self.pc += 2;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug`
[INFO] [stdout]    --> src/main.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 |     fn debug(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:439:5
[INFO] [stdout]     |
[INFO] [stdout] 439 |     file.read_to_end(&mut data);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:512:13
[INFO] [stdout]     |
[INFO] [stdout] 512 |             window.update_with_buffer(&buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "a699317e7632ec10f0992b4c02d67257bcecb0dceaca239492a0764a45610725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a699317e7632ec10f0992b4c02d67257bcecb0dceaca239492a0764a45610725", kill_on_drop: false }`
[INFO] [stdout] a699317e7632ec10f0992b4c02d67257bcecb0dceaca239492a0764a45610725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 370ec3246f9efbf05f4f160469562869ac1c5d6675b922e0bf6c291a9c4d8174
[INFO] running `Command { std: "docker" "start" "-a" "370ec3246f9efbf05f4f160469562869ac1c5d6675b922e0bf6c291a9c4d8174", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::Wrapping`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::Wrapping;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:166:15
[INFO] [stdout]     |
[INFO] [stdout] 166 |         match ((instruction & 0xF000) >> 12) {
[INFO] [stdout]     |               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -         match ((instruction & 0xF000) >> 12) {
[INFO] [stdout] 166 +         match (instruction & 0xF000) >> 12 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]    --> src/main.rs:407:11
[INFO] [stdout]     |
[INFO] [stdout] 407 | use std::{thread, time};
[INFO] [stdout]     |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:362:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |                         panic!("Unrecognized instruction {:#x}", instruction);
[INFO] [stdout]     |                         ----------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 362 |                         self.pc += 2;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug`
[INFO] [stdout]    --> src/main.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 |     fn debug(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:439:5
[INFO] [stdout]     |
[INFO] [stdout] 439 |     file.read_to_end(&mut data);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:512:13
[INFO] [stdout]     |
[INFO] [stdout] 512 |             window.update_with_buffer(&buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "370ec3246f9efbf05f4f160469562869ac1c5d6675b922e0bf6c291a9c4d8174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370ec3246f9efbf05f4f160469562869ac1c5d6675b922e0bf6c291a9c4d8174", kill_on_drop: false }`
[INFO] [stdout] 370ec3246f9efbf05f4f160469562869ac1c5d6675b922e0bf6c291a9c4d8174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5cf2faec7b584c6d57c4ec04a7ed630581ab38accafcb4598aeae76b480bf28
[INFO] running `Command { std: "docker" "start" "-a" "c5cf2faec7b584c6d57c4ec04a7ed630581ab38accafcb4598aeae76b480bf28", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::num::Wrapping`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::num::Wrapping;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/main.rs:166:15
[INFO] [stderr]     |
[INFO] [stderr] 166 |         match ((instruction & 0xF000) >> 12) {
[INFO] [stderr]     |               ^                            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 166 -         match ((instruction & 0xF000) >> 12) {
[INFO] [stderr] 166 +         match (instruction & 0xF000) >> 12 {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]    --> src/main.rs:407:11
[INFO] [stderr]     |
[INFO] [stderr] 407 | use std::{thread, time};
[INFO] [stderr]     |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:362:25
[INFO] [stderr]     |
[INFO] [stderr] 361 |                         panic!("Unrecognized instruction {:#x}", instruction);
[INFO] [stderr]     |                         ----------------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 362 |                         self.pc += 2;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `debug`
[INFO] [stderr]    --> src/main.rs:397:8
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn debug(&mut self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:439:5
[INFO] [stderr]     |
[INFO] [stderr] 439 |     file.read_to_end(&mut data);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:512:13
[INFO] [stderr]     |
[INFO] [stderr] 512 |             window.update_with_buffer(&buffer);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `chip-8` (bin "chip-8" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip_8-1326a51851e7de34)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5cf2faec7b584c6d57c4ec04a7ed630581ab38accafcb4598aeae76b480bf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5cf2faec7b584c6d57c4ec04a7ed630581ab38accafcb4598aeae76b480bf28", kill_on_drop: false }`
[INFO] [stdout] c5cf2faec7b584c6d57c4ec04a7ed630581ab38accafcb4598aeae76b480bf28