[INFO] cloning repository https://github.com/Lollyde/chip8_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lollyde/chip8_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLollyde%2Fchip8_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLollyde%2Fchip8_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 809ffe48f687cd0b159d1c961938931269ed33ed [INFO] testing Lollyde/chip8_rs against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLollyde%2Fchip8_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Lollyde/chip8_rs [INFO] finished tweaking git repo https://github.com/Lollyde/chip8_rs [INFO] tweaked toml for git repo https://github.com/Lollyde/chip8_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Lollyde/chip8_rs on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Lollyde/chip8_rs 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing Lollyde/chip8_rs against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLollyde%2Fchip8_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Lollyde/chip8_rs [INFO] finished tweaking git repo https://github.com/Lollyde/chip8_rs [INFO] tweaked toml for git repo https://github.com/Lollyde/chip8_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Lollyde/chip8_rs on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Lollyde/chip8_rs 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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 random v0.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7916e0f8b214342b543adee82fda20831a034f0e38bf969f1498c32667187902 [INFO] running `Command { std: "docker" "start" "-a" "7916e0f8b214342b543adee82fda20831a034f0e38bf969f1498c32667187902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7916e0f8b214342b543adee82fda20831a034f0e38bf969f1498c32667187902", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7916e0f8b214342b543adee82fda20831a034f0e38bf969f1498c32667187902", kill_on_drop: false }` [INFO] [stdout] 7916e0f8b214342b543adee82fda20831a034f0e38bf969f1498c32667187902 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb571ec604989031bf116efc19c635552fd55fd31bac9bfb376caa38a40af49a [INFO] running `Command { std: "docker" "start" "-a" "eb571ec604989031bf116efc19c635552fd55fd31bac9bfb376caa38a40af49a", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version-compare v0.1.1 [INFO] [stderr] Compiling sdl2 v0.37.0 [INFO] [stderr] Compiling random v0.14.0 [INFO] [stderr] Compiling sdl2-sys v0.37.0 [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/opcodes.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | use super::*; [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: `super::*` [INFO] [stdout] --> src/data_types.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Add` and `Shl` [INFO] [stdout] --> src/lib.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{Add, BitAnd, BitXor, Shl}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reg` [INFO] [stdout] --> src/lib.rs:208:28 [INFO] [stdout] | [INFO] [stdout] 208 | Opcode::SKP_Vx(reg) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_reg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stack_pointer` and `keypad` are never read [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Chip { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 27 | stack_pointer: Address, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 28 | keypad: Keypad, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `update_timers` is never used [INFO] [stdout] --> src/lib.rs:254:8 [INFO] [stdout] | [INFO] [stdout] 32 | impl Chip { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 254 | fn update_timers(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_f` is never used [INFO] [stdout] --> src/data_types.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl Registers { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn get_f(&self) -> u8 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_types.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/data_types.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | self.0 - rhs; [INFO] [stdout] | ^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [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] 157 | let _ = self.0 - rhs; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_types.rs:200:22 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | const WINDOW_WIDTH: u32 = (chip8::WINDOW_WIDTH as u32); [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] 11 - const WINDOW_WIDTH: u32 = (chip8::WINDOW_WIDTH as u32); [INFO] [stdout] 11 + const WINDOW_WIDTH: u32 = chip8::WINDOW_WIDTH as u32 ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | const WINDOW_HEIGHT: u32 = (chip8::WINDOW_HEIGHT as u32); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 12 - const WINDOW_HEIGHT: u32 = (chip8::WINDOW_HEIGHT as u32); [INFO] [stdout] 12 + const WINDOW_HEIGHT: u32 = chip8::WINDOW_HEIGHT as u32 ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 85 | let x = (i as u32 % WINDOW_WIDTH); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 85 - let x = (i as u32 % WINDOW_WIDTH); [INFO] [stdout] 85 + let x = i as u32 % WINDOW_WIDTH ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `counter` is assigned to, but never used [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut counter = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_counter` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `counter` is never read [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | counter += 1; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s [INFO] running `Command { std: "docker" "inspect" "eb571ec604989031bf116efc19c635552fd55fd31bac9bfb376caa38a40af49a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb571ec604989031bf116efc19c635552fd55fd31bac9bfb376caa38a40af49a", kill_on_drop: false }` [INFO] [stdout] eb571ec604989031bf116efc19c635552fd55fd31bac9bfb376caa38a40af49a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44caa8433310881b81518cd4b37f27fdfc66d45c3a4a4551852b6df53e21c292 [INFO] running `Command { std: "docker" "start" "-a" "44caa8433310881b81518cd4b37f27fdfc66d45c3a4a4551852b6df53e21c292", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/opcodes.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | use super::*; [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: `super::*` [INFO] [stdout] --> src/data_types.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Add` and `Shl` [INFO] [stdout] --> src/lib.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{Add, BitAnd, BitXor, Shl}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reg` [INFO] [stdout] --> src/lib.rs:208:28 [INFO] [stdout] | [INFO] [stdout] 208 | Opcode::SKP_Vx(reg) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_reg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stack_pointer` and `keypad` are never read [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Chip { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 27 | stack_pointer: Address, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 28 | keypad: Keypad, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `update_timers` is never used [INFO] [stdout] --> src/lib.rs:254:8 [INFO] [stdout] | [INFO] [stdout] 32 | impl Chip { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 254 | fn update_timers(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_f` is never used [INFO] [stdout] --> src/data_types.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl Registers { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn get_f(&self) -> u8 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_types.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/data_types.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | self.0 - rhs; [INFO] [stdout] | ^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [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] 157 | let _ = self.0 - rhs; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_types.rs:200:22 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::*` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use sdl2::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | const WINDOW_WIDTH: u32 = (chip8::WINDOW_WIDTH as u32); [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] 11 - const WINDOW_WIDTH: u32 = (chip8::WINDOW_WIDTH as u32); [INFO] [stdout] 11 + const WINDOW_WIDTH: u32 = chip8::WINDOW_WIDTH as u32 ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | const WINDOW_HEIGHT: u32 = (chip8::WINDOW_HEIGHT as u32); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 12 - const WINDOW_HEIGHT: u32 = (chip8::WINDOW_HEIGHT as u32); [INFO] [stdout] 12 + const WINDOW_HEIGHT: u32 = chip8::WINDOW_HEIGHT as u32 ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:85:21 [INFO] [stdout] | [INFO] [stdout] 85 | let x = (i as u32 % WINDOW_WIDTH); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 85 - let x = (i as u32 % WINDOW_WIDTH); [INFO] [stdout] 85 + let x = i as u32 % WINDOW_WIDTH ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Add` and `Shl` [INFO] [stdout] --> src/lib.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::{Add, BitAnd, BitXor, Shl}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `counter` is assigned to, but never used [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut counter = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_counter` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `counter` is never read [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | counter += 1; [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 variable: `reg` [INFO] [stdout] --> src/lib.rs:208:28 [INFO] [stdout] | [INFO] [stdout] 208 | Opcode::SKP_Vx(reg) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_reg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stack_pointer` and `keypad` are never read [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Chip { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 27 | stack_pointer: Address, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 28 | keypad: Keypad, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `update_timers` is never used [INFO] [stdout] --> src/lib.rs:254:8 [INFO] [stdout] | [INFO] [stdout] 32 | impl Chip { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 254 | fn update_timers(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_f` is never used [INFO] [stdout] --> src/data_types.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl Registers { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn get_f(&self) -> u8 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_types.rs:100:22 [INFO] [stdout] | [INFO] [stdout] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/data_types.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | self.0 - rhs; [INFO] [stdout] | ^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [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] 157 | let _ = self.0 - rhs; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/data_types.rs:200:22 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter<'_, u8> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "44caa8433310881b81518cd4b37f27fdfc66d45c3a4a4551852b6df53e21c292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44caa8433310881b81518cd4b37f27fdfc66d45c3a4a4551852b6df53e21c292", kill_on_drop: false }` [INFO] [stdout] 44caa8433310881b81518cd4b37f27fdfc66d45c3a4a4551852b6df53e21c292 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2d7560689fe5c66e1429681551a5bf34ad403ef86493edcc9c9dd2c82c3a5ba0 [INFO] running `Command { std: "docker" "start" "-a" "2d7560689fe5c66e1429681551a5bf34ad403ef86493edcc9c9dd2c82c3a5ba0", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/opcodes.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/data_types.rs:269:9 [INFO] [stderr] | [INFO] [stderr] 269 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Add` and `Shl` [INFO] [stderr] --> src/lib.rs:6:16 [INFO] [stderr] | [INFO] [stderr] 6 | use std::ops::{Add, BitAnd, BitXor, Shl}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reg` [INFO] [stderr] --> src/lib.rs:208:28 [INFO] [stderr] | [INFO] [stderr] 208 | Opcode::SKP_Vx(reg) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_reg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `stack_pointer` and `keypad` are never read [INFO] [stderr] --> src/lib.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub struct Chip { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 27 | stack_pointer: Address, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 28 | keypad: Keypad, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: method `update_timers` is never used [INFO] [stderr] --> src/lib.rs:254:8 [INFO] [stderr] | [INFO] [stderr] 32 | impl Chip { [INFO] [stderr] | --------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 254 | fn update_timers(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `get_f` is never used [INFO] [stderr] --> src/data_types.rs:82:12 [INFO] [stderr] | [INFO] [stderr] 71 | impl Registers { [INFO] [stderr] | -------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 82 | pub fn get_f(&self) -> u8 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/data_types.rs:100:22 [INFO] [stderr] | [INFO] [stderr] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 100 | pub fn get_range(&self, start: u8, end: u8) -> std::slice::Iter<'_, u8> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/data_types.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | self.0 - rhs; [INFO] [stderr] | ^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 157 | let _ = self.0 - rhs; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/data_types.rs:200:22 [INFO] [stderr] | [INFO] [stderr] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 200 | pub fn get_range(&self, addr: &Address, size: u8) -> std::slice::Iter<'_, u8> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Add` and `Shl` [INFO] [stderr] --> src/lib.rs:6:16 [INFO] [stderr] | [INFO] [stderr] 6 | use std::ops::{Add, BitAnd, BitXor, Shl}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `chip8` (lib) generated 10 warnings (run `cargo fix --lib -p chip8` to apply 6 suggestions) [INFO] [stderr] warning: `chip8` (lib test) generated 8 warnings (7 duplicates) (run `cargo fix --lib -p chip8 --tests` to apply 1 suggestion) [INFO] [stderr] warning: unused import: `sdl2::*` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use sdl2::*; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:11:27 [INFO] [stderr] | [INFO] [stderr] 11 | const WINDOW_WIDTH: u32 = (chip8::WINDOW_WIDTH as u32); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 11 - const WINDOW_WIDTH: u32 = (chip8::WINDOW_WIDTH as u32); [INFO] [stderr] 11 + const WINDOW_WIDTH: u32 = chip8::WINDOW_WIDTH as u32 ; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:12:28 [INFO] [stderr] | [INFO] [stderr] 12 | const WINDOW_HEIGHT: u32 = (chip8::WINDOW_HEIGHT as u32); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 12 - const WINDOW_HEIGHT: u32 = (chip8::WINDOW_HEIGHT as u32); [INFO] [stderr] 12 + const WINDOW_HEIGHT: u32 = chip8::WINDOW_HEIGHT as u32 ; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:85:21 [INFO] [stderr] | [INFO] [stderr] 85 | let x = (i as u32 % WINDOW_WIDTH); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 85 - let x = (i as u32 % WINDOW_WIDTH); [INFO] [stderr] 85 + let x = i as u32 % WINDOW_WIDTH ; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable `counter` is assigned to, but never used [INFO] [stderr] --> src/main.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let mut counter = 0; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_counter` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `counter` is never read [INFO] [stderr] --> src/main.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | counter += 1; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 6 warnings (run `cargo fix --bin "chip8" -p chip8 --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chip8-9af0bb106b4e70f5) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test opcodes::test::opcode_from_u16 ... ok [INFO] [stdout] test data_types::test::nibble_from_u8 ... ok [INFO] [stdout] test data_types::test::u8_from_nibbles ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-5da12802be161816) [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] [stderr] Doc-tests chip8 [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" "2d7560689fe5c66e1429681551a5bf34ad403ef86493edcc9c9dd2c82c3a5ba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d7560689fe5c66e1429681551a5bf34ad403ef86493edcc9c9dd2c82c3a5ba0", kill_on_drop: false }` [INFO] [stdout] 2d7560689fe5c66e1429681551a5bf34ad403ef86493edcc9c9dd2c82c3a5ba0