[INFO] cloning repository https://github.com/pmasucci/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmasucci/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmasucci%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmasucci%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0276d2f684223062d78417b452176b7bd7d768b4
[INFO] checking pmasucci/chip8 against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmasucci%2Fchip8" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pmasucci/chip8
[INFO] finished tweaking git repo https://github.com/pmasucci/chip8
[INFO] tweaked toml for git repo https://github.com/pmasucci/chip8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pmasucci/chip8 on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pmasucci/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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057
[INFO] running `Command { std: "docker" "start" "46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.91
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[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> src/chip.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::{thread, time};
[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 variable: `u`
[INFO] [stdout]   --> src/chip.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     if let Some(u) = e.update_args() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/cpu.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let bytes_read = if let Ok(bytes_read) = f.read(&mut buffer) {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]   --> src/chip.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::{thread, time};
[INFO] [stdout]    |           ^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Screen` is never constructed
[INFO] [stdout]  --> src/drivers/displayDriver.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Screen {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayDriver` is never constructed
[INFO] [stdout]  --> src/drivers/displayDriver.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DisplayDriver {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `display` are never used
[INFO] [stdout]   --> src/drivers/displayDriver.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl DisplayDriver {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(screen: Screen, scale: u8, primary_color: [u8; 4]) -> DisplayDriver {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |   pub fn display(&mut self, screen: [u8; 2048]) {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Err(error) => panic!(error.to_string()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Err(error) => panic!("{}", error.to_string()),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `displayDriver` should have a snake case name
[INFO] [stdout]  --> src/drivers/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod displayDriver;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `display_driver`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/chip.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     if let Some(u) = e.update_args() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/cpu.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let bytes_read = if let Ok(bytes_read) = f.read(&mut buffer) {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Screen` is never constructed
[INFO] [stdout]  --> src/drivers/displayDriver.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Screen {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayDriver` is never constructed
[INFO] [stdout]  --> src/drivers/displayDriver.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DisplayDriver {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `display` are never used
[INFO] [stdout]   --> src/drivers/displayDriver.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl DisplayDriver {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(screen: Screen, scale: u8, primary_color: [u8; 4]) -> DisplayDriver {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |   pub fn display(&mut self, screen: [u8; 2048]) {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Err(error) => panic!(error.to_string()),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Err(error) => panic!("{}", error.to_string()),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `displayDriver` should have a snake case name
[INFO] [stdout]  --> src/drivers/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod displayDriver;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `display_driver`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.19.0, winit v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057", kill_on_drop: false }`
[INFO] [stdout] 46b515e5bac64c5809fc3547ead8411f57f748441830d84fc5c28b697c1cd057
