[INFO] cloning repository https://github.com/hotbrightsunshine/c8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hotbrightsunshine/c8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhotbrightsunshine%2Fc8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhotbrightsunshine%2Fc8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51946ca7704874f95de2adee3cfed5cf074226d8
[INFO] checking hotbrightsunshine/c8 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhotbrightsunshine%2Fc8" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hotbrightsunshine/c8
[INFO] finished tweaking git repo https://github.com/hotbrightsunshine/c8
[INFO] tweaked toml for git repo https://github.com/hotbrightsunshine/c8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hotbrightsunshine/c8 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hotbrightsunshine/c8 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minifb v0.23.0
[INFO] [stderr]   Downloaded nom v7.1.2
[INFO] [stderr]   Downloaded orbclient v0.3.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fdb2888131737ac385ad170c535e311fdf94e39b74942cc2dc28960898a7fb1
[INFO] running `Command { std: "docker" "start" "-a" "3fdb2888131737ac385ad170c535e311fdf94e39b74942cc2dc28960898a7fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fdb2888131737ac385ad170c535e311fdf94e39b74942cc2dc28960898a7fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdb2888131737ac385ad170c535e311fdf94e39b74942cc2dc28960898a7fb1", kill_on_drop: false }`
[INFO] [stdout] 3fdb2888131737ac385ad170c535e311fdf94e39b74942cc2dc28960898a7fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9706525f4665a21bf28de07dbab6726080c92ffc15a7f3a423c93a23b6a4b1b
[INFO] running `Command { std: "docker" "start" "-a" "e9706525f4665a21bf28de07dbab6726080c92ffc15a7f3a423c93a23b6a4b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking nom v7.1.2
[INFO] [stderr]    Compiling minifb v0.23.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking c8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/c8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/c8.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/c8.rs:231:44
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let x = self.registers.get((register_x as usize)).unwrap();
[INFO] [stdout]     |                                            ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                 let x = self.registers.get((register_x as usize)).unwrap();
[INFO] [stdout] 231 +                 let x = self.registers.get(register_x as usize ).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/mem.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |             self.write(font[i], (0x1 + i));
[INFO] [stdout]    |                                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -             self.write(font[i], (0x1 + i));
[INFO] [stdout] 35 +             self.write(font[i], 0x1 + i );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error`, `fmt::format`, `thread`, and `time::Duration`
[INFO] [stdout]  --> src/io.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, thread, time::Duration, fmt::format};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/c8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/c8.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/c8.rs:231:44
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let x = self.registers.get((register_x as usize)).unwrap();
[INFO] [stdout]     |                                            ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                 let x = self.registers.get((register_x as usize)).unwrap();
[INFO] [stdout] 231 +                 let x = self.registers.get(register_x as usize ).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/mem.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |             self.write(font[i], (0x1 + i));
[INFO] [stdout]    |                                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -             self.write(font[i], (0x1 + i));
[INFO] [stdout] 35 +             self.write(font[i], 0x1 + i );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error`, `fmt::format`, `thread`, and `time::Duration`
[INFO] [stdout]  --> src/io.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{error::Error, thread, time::Duration, fmt::format};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]    --> src/c8.rs:255:48
[INFO] [stdout]     |
[INFO] [stdout] 255 |             decoder::Instruction::WaitForKey { register } => {
[INFO] [stdout]     |                                                ^^^^^^^^ help: try ignoring the field: `register: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]    --> src/c8.rs:255:48
[INFO] [stdout]     |
[INFO] [stdout] 255 |             decoder::Instruction::WaitForKey { register } => {
[INFO] [stdout]     |                                                ^^^^^^^^ help: try ignoring the field: `register: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `window_options` is assigned to, but never used
[INFO] [stdout]   --> src/io.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut window_options = WindowOptions::default();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_window_options` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `window_options` is never read
[INFO] [stdout]   --> src/io.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         window_options.scale = Scale::X16;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `window_options` is assigned to, but never used
[INFO] [stdout]   --> src/io.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut window_options = WindowOptions::default();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_window_options` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `window_options` is never read
[INFO] [stdout]   --> src/io.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         window_options.scale = Scale::X16;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 self.set( *cell, column + x, row + y);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let _ = self.set( *cell, column + x, row + y);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 self.set( *cell, column + x, row + y);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let _ = self.set( *cell, column + x, row + y);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.25s
[INFO] running `Command { std: "docker" "inspect" "e9706525f4665a21bf28de07dbab6726080c92ffc15a7f3a423c93a23b6a4b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9706525f4665a21bf28de07dbab6726080c92ffc15a7f3a423c93a23b6a4b1b", kill_on_drop: false }`
[INFO] [stdout] e9706525f4665a21bf28de07dbab6726080c92ffc15a7f3a423c93a23b6a4b1b
