[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] testing pmasucci/chip8 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmasucci%2Fchip8" "/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/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pmasucci/chip8 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shader_version v0.3.0
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[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c0b860d959b52bccbbe89d91515d773714a6a858a1b7ef8d9ab0c08171353b
[INFO] running `Command { std: "docker" "start" "-a" "17c0b860d959b52bccbbe89d91515d773714a6a858a1b7ef8d9ab0c08171353b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c0b860d959b52bccbbe89d91515d773714a6a858a1b7ef8d9ab0c08171353b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c0b860d959b52bccbbe89d91515d773714a6a858a1b7ef8d9ab0c08171353b", kill_on_drop: false }`
[INFO] [stdout] 17c0b860d959b52bccbbe89d91515d773714a6a858a1b7ef8d9ab0c08171353b
[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" "-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef66bac6933c7ccdf18497caad0565fb9f4888cac710e5996d22a26ae3958ef
[INFO] running `Command { std: "docker" "start" "-a" "bef66bac6933c7ccdf18497caad0565fb9f4888cac710e5996d22a26ae3958ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling adler32 v1.0.3
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[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling piston2d-graphics v0.32.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling pistoncore-input v0.25.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.62.0
[INFO] [stderr]    Compiling pistoncore-window v0.38.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.43.0
[INFO] [stderr]    Compiling piston v0.43.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.55.0
[INFO] [stderr]    Compiling 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: 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: `#[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 33.48s
[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 5`
[INFO] running `Command { std: "docker" "inspect" "bef66bac6933c7ccdf18497caad0565fb9f4888cac710e5996d22a26ae3958ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef66bac6933c7ccdf18497caad0565fb9f4888cac710e5996d22a26ae3958ef", kill_on_drop: false }`
[INFO] [stdout] bef66bac6933c7ccdf18497caad0565fb9f4888cac710e5996d22a26ae3958ef
[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" "-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8cd626a031e61dbc22aa33d7b0a5c3e7c1909a26ecba747324963a10316d23f
[INFO] running `Command { std: "docker" "start" "-a" "c8cd626a031e61dbc22aa33d7b0a5c3e7c1909a26ecba747324963a10316d23f", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: `#[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 `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[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 5`
[INFO] running `Command { std: "docker" "inspect" "c8cd626a031e61dbc22aa33d7b0a5c3e7c1909a26ecba747324963a10316d23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8cd626a031e61dbc22aa33d7b0a5c3e7c1909a26ecba747324963a10316d23f", kill_on_drop: false }`
[INFO] [stdout] c8cd626a031e61dbc22aa33d7b0a5c3e7c1909a26ecba747324963a10316d23f
[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" "-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b23d89081b0e3ffcf8b35ce030a6658ed0e5b5cc176af6b6d514e63c2db45f4
[INFO] running `Command { std: "docker" "start" "-a" "8b23d89081b0e3ffcf8b35ce030a6658ed0e5b5cc176af6b6d514e63c2db45f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `thread` and `time`
[INFO] [stderr]   --> src/chip.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::{thread, time};
[INFO] [stderr]    |           ^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/chip.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |     if let Some(u) = e.update_args() {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/cpu.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let bytes_read = if let Ok(bytes_read) = f.read(&mut buffer) {
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Screen` is never constructed
[INFO] [stderr]  --> src/drivers/displayDriver.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Screen {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DisplayDriver` is never constructed
[INFO] [stderr]  --> src/drivers/displayDriver.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct DisplayDriver {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `display` are never used
[INFO] [stderr]   --> src/drivers/displayDriver.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl DisplayDriver {
[INFO] [stderr]    | ------------------ associated items in this implementation
[INFO] [stderr] 13 |   pub fn new(screen: Screen, scale: u8, primary_color: [u8; 4]) -> DisplayDriver {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |   pub fn display(&mut self, screen: [u8; 2048]) {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/main.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |         Err(error) => panic!(error.to_string()),
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 22 |         Err(error) => panic!("{}", error.to_string()),
[INFO] [stderr]    |                              +++++
[INFO] [stderr] 
[INFO] [stderr] warning: module `displayDriver` should have a snake case name
[INFO] [stderr]  --> src/drivers/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod displayDriver;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `display_driver`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 8 warnings (run `cargo fix --bin "chip8" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[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 5`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-d525aeed59687ada)
[INFO] [stdout] 
[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" "8b23d89081b0e3ffcf8b35ce030a6658ed0e5b5cc176af6b6d514e63c2db45f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b23d89081b0e3ffcf8b35ce030a6658ed0e5b5cc176af6b6d514e63c2db45f4", kill_on_drop: false }`
[INFO] [stdout] 8b23d89081b0e3ffcf8b35ce030a6658ed0e5b5cc176af6b6d514e63c2db45f4