[INFO] cloning repository https://github.com/pedro-git-projects/chip-8-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pedro-git-projects/chip-8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedro-git-projects%2Fchip-8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedro-git-projects%2Fchip-8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45ee27c12d2777b3e3cbcb2cfc765c7084356b74
[INFO] building pedro-git-projects/chip-8-emulator against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedro-git-projects%2Fchip-8-emulator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pedro-git-projects/chip-8-emulator on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pedro-git-projects/chip-8-emulator
[INFO] finished tweaking git repo https://github.com/pedro-git-projects/chip-8-emulator
[INFO] tweaked toml for git repo https://github.com/pedro-git-projects/chip-8-emulator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pedro-git-projects/chip-8-emulator 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 968bd09289bb103410531672acf3eb4175a361723262fc7cef98cbcacdc3bc16
[INFO] running `Command { std: "docker" "start" "-a" "968bd09289bb103410531672acf3eb4175a361723262fc7cef98cbcacdc3bc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968bd09289bb103410531672acf3eb4175a361723262fc7cef98cbcacdc3bc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968bd09289bb103410531672acf3eb4175a361723262fc7cef98cbcacdc3bc16", kill_on_drop: false }`
[INFO] [stdout] 968bd09289bb103410531672acf3eb4175a361723262fc7cef98cbcacdc3bc16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b7f0c241c15434032a1bcc6147902f3165ca688f9055fa6f26c126c590154a
[INFO] running `Command { std: "docker" "start" "-a" "f3b7f0c241c15434032a1bcc6147902f3165ca688f9055fa6f26c126c590154a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chip-8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::Event`
[INFO] [stdout]  --> src/emulator/chip.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::event::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::app::app::App`
[INFO] [stdout]  --> src/emulator/chip.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::app::app::App;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `map_sdl_key_to_chip8_key`
[INFO] [stdout]  --> src/emulator/chip.rs:8:49
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::keyboard::{map_chip8_key_to_sdl_key, map_sdl_key_to_chip8_key, Chip8Key, Keyboard};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/emulator/chip.rs:110:37
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn push_to_stack(&mut self, index: usize, value: u16) -> Result<(), &str> {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/emulator/chip.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut tmp: u8 = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sdl_context` and `video_subsystem` are never read
[INFO] [stdout]   --> src/app/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct App {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 15 |     sdl_context: sdl2::Sdl,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     video_subsystem: sdl2::VideoSubsystem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/app/config.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl WindowConfig {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(title: &'static str, width: u32, height: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_memory_addr`, `get_memory_addr`, and `push_to_stack` are never used
[INFO] [stdout]    --> src/emulator/chip.rs:93:12
[INFO] [stdout]     |
[INFO] [stdout] 42  | impl Chip8 {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93  |     pub fn set_memory_addr(&mut self, index: usize, value: u8) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_memory_addr(&self, index: usize) -> Result<u8, &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn push_to_stack(&mut self, index: usize, value: u16) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_screen` is never used
[INFO] [stdout]   --> src/emulator/screen.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Screen {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_screen(&mut self, x: usize, y: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/emulator/chip.rs:197:35
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 self.v[0x0F] = if tmp > 0xFF { 1 } else { 0 };
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "f3b7f0c241c15434032a1bcc6147902f3165ca688f9055fa6f26c126c590154a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b7f0c241c15434032a1bcc6147902f3165ca688f9055fa6f26c126c590154a", kill_on_drop: false }`
[INFO] [stdout] f3b7f0c241c15434032a1bcc6147902f3165ca688f9055fa6f26c126c590154a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aeb7ce4fb1ce4534e00183872b5d9ac68fcd01e4a3092fc8a40bc906adde2f9
[INFO] running `Command { std: "docker" "start" "-a" "4aeb7ce4fb1ce4534e00183872b5d9ac68fcd01e4a3092fc8a40bc906adde2f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::Event`
[INFO] [stdout]  --> src/emulator/chip.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::event::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::app::app::App`
[INFO] [stdout]  --> src/emulator/chip.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::app::app::App;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `map_sdl_key_to_chip8_key`
[INFO] [stdout]  --> src/emulator/chip.rs:8:49
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::keyboard::{map_chip8_key_to_sdl_key, map_sdl_key_to_chip8_key, Chip8Key, Keyboard};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/emulator/chip.rs:110:37
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn push_to_stack(&mut self, index: usize, value: u16) -> Result<(), &str> {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp` is never read
[INFO] [stdout]    --> src/emulator/chip.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut tmp: u8 = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sdl_context` and `video_subsystem` are never read
[INFO] [stdout]   --> src/app/app.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct App {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 15 |     sdl_context: sdl2::Sdl,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     video_subsystem: sdl2::VideoSubsystem,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/app/config.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl WindowConfig {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(title: &'static str, width: u32, height: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_screen` is never used
[INFO] [stdout]   --> src/emulator/screen.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Screen {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn set_screen(&mut self, x: usize, y: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/emulator/chip.rs:197:35
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 self.v[0x0F] = if tmp > 0xFF { 1 } else { 0 };
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "4aeb7ce4fb1ce4534e00183872b5d9ac68fcd01e4a3092fc8a40bc906adde2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aeb7ce4fb1ce4534e00183872b5d9ac68fcd01e4a3092fc8a40bc906adde2f9", kill_on_drop: false }`
[INFO] [stdout] 4aeb7ce4fb1ce4534e00183872b5d9ac68fcd01e4a3092fc8a40bc906adde2f9