[INFO] cloning repository sbuggay/rnes [INFO] running `"git" "clone" "--bare" "git://github.com/sbuggay/rnes.git" "work/cache/sources/gh/sbuggay/rnes"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sbuggay/rnes'... [INFO] running `"git" "clone" "work/cache/sources/gh/sbuggay/rnes" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/sbuggay/rnes"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/sbuggay/rnes'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sbuggay/rnes" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/sbuggay/rnes"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/sbuggay/rnes'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 591ec3b79c862e646d9363c861fb1e8ea1762248 [INFO] sha for GitHub repo sbuggay/rnes: 591ec3b79c862e646d9363c861fb1e8ea1762248 [INFO] validating manifest of sbuggay/rnes on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sbuggay/rnes on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sbuggay/rnes [INFO] finished frobbing sbuggay/rnes [INFO] frobbed toml for sbuggay/rnes written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/sbuggay/rnes/Cargo.toml [INFO] started frobbing sbuggay/rnes [INFO] finished frobbing sbuggay/rnes [INFO] frobbed toml for sbuggay/rnes written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/sbuggay/rnes/Cargo.toml [INFO] crate sbuggay/rnes already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sbuggay/rnes against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/sbuggay/rnes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1ef3d9cbdf197c3cad6f6a7145f7cd1e03a759b4a9be6960386a9b93d80c5e04 [INFO] running `"docker" "start" "-a" "1ef3d9cbdf197c3cad6f6a7145f7cd1e03a759b4a9be6960386a9b93d80c5e04"` [INFO] [stderr] Compiling sdl2-sys v0.31.0 (https://github.com/AngryLawyer/rust-sdl2#4bb6b9ab) [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking sdl2 v0.31.0 (https://github.com/AngryLawyer/rust-sdl2#4bb6b9ab) [INFO] [stderr] Checking nes v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/cpu.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/instructions.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/rom.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Error, ErrorKind, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`, `SeekFrom` [INFO] [stderr] --> src/simulate.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{BufRead, Error, ErrorKind, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::*` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::time::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::event::Event` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use sdl2::event::Event; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use sdl2::keyboard::Keycode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/cpu.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/instructions.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/rom.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Error, ErrorKind, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`, `SeekFrom` [INFO] [stderr] --> src/simulate.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{BufRead, Error, ErrorKind, Read, Seek, SeekFrom}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::*` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::time::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::event::Event` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use sdl2::event::Event; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use sdl2::keyboard::Keycode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `simulated_cpu` [INFO] [stderr] --> src/main.rs:26:10 [INFO] [stderr] | [INFO] [stderr] 26 | let mut simulated_cpu = simulate::Simulate::load(&mut nestest); [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_simulated_cpu` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_pump` [INFO] [stderr] --> src/main.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_pump` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last_frame` [INFO] [stderr] --> src/main.rs:57:10 [INFO] [stderr] | [INFO] [stderr] 57 | let mut last_frame = std::time::Instant::now(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_last_frame` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `frames` [INFO] [stderr] --> src/main.rs:58:10 [INFO] [stderr] | [INFO] [stderr] 58 | let mut frames = 0; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_frames` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:59:10 [INFO] [stderr] | [INFO] [stderr] 59 | let mut i = 1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cycles` [INFO] [stderr] --> src/cpu.rs:82:7 [INFO] [stderr] | [INFO] [stderr] 82 | let cycles = CYCLE_TABLE[opcode as usize]; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_cycles` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `simulated_cpu` [INFO] [stderr] --> src/main.rs:26:10 [INFO] [stderr] | [INFO] [stderr] 26 | let mut simulated_cpu = simulate::Simulate::load(&mut nestest); [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_simulated_cpu` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_pump` [INFO] [stderr] --> src/main.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_pump` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `last_frame` [INFO] [stderr] --> src/main.rs:57:10 [INFO] [stderr] | [INFO] [stderr] 57 | let mut last_frame = std::time::Instant::now(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_last_frame` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `frames` [INFO] [stderr] --> src/main.rs:58:10 [INFO] [stderr] | [INFO] [stderr] 58 | let mut frames = 0; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_frames` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:59:10 [INFO] [stderr] | [INFO] [stderr] 59 | let mut i = 1; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cycles` [INFO] [stderr] --> src/cpu.rs:82:7 [INFO] [stderr] | [INFO] [stderr] 82 | let cycles = CYCLE_TABLE[opcode as usize]; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_cycles` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:26:6 [INFO] [stderr] | [INFO] [stderr] 26 | let mut simulated_cpu = simulate::Simulate::load(&mut nestest); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:56:6 [INFO] [stderr] | [INFO] [stderr] 56 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:57:6 [INFO] [stderr] | [INFO] [stderr] 57 | let mut last_frame = std::time::Instant::now(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:6 [INFO] [stderr] | [INFO] [stderr] 58 | let mut frames = 0; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:59:6 [INFO] [stderr] | [INFO] [stderr] 59 | let mut i = 1; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:26:6 [INFO] [stderr] | [INFO] [stderr] 26 | let mut simulated_cpu = simulate::Simulate::load(&mut nestest); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:56:6 [INFO] [stderr] | [INFO] [stderr] 56 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:57:6 [INFO] [stderr] | [INFO] [stderr] 57 | let mut last_frame = std::time::Instant::now(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:6 [INFO] [stderr] | [INFO] [stderr] 58 | let mut frames = 0; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:59:6 [INFO] [stderr] | [INFO] [stderr] 59 | let mut i = 1; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `dump` [INFO] [stderr] --> src/rom.rs:102:2 [INFO] [stderr] | [INFO] [stderr] 102 | pub fn dump(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `rom_bank_count` [INFO] [stderr] --> src/rom.rs:109:2 [INFO] [stderr] | [INFO] [stderr] 109 | pub fn rom_bank_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `video_rom_bank_count` [INFO] [stderr] --> src/rom.rs:113:2 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn video_rom_bank_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `step` [INFO] [stderr] --> src/simulate.rs:53:2 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn step(&mut self) -> CpuState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:41:2 [INFO] [stderr] | [INFO] [stderr] 41 | fp.read_exact(&mut val); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:48:3 [INFO] [stderr] | [INFO] [stderr] 48 | fp.read_exact(&mut magic); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:63:3 [INFO] [stderr] | [INFO] [stderr] 63 | fp.seek(SeekFrom::Current(7)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:87:4 [INFO] [stderr] | [INFO] [stderr] 87 | fp.seek(SeekFrom::Current(512)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:90:3 [INFO] [stderr] | [INFO] [stderr] 90 | fp.read_exact(&mut rom[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:91:3 [INFO] [stderr] | [INFO] [stderr] 91 | fp.read_exact(&mut video_rom[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: method is never used: `dump` [INFO] [stderr] --> src/rom.rs:102:2 [INFO] [stderr] | [INFO] [stderr] 102 | pub fn dump(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `rom_bank_count` [INFO] [stderr] --> src/rom.rs:109:2 [INFO] [stderr] | [INFO] [stderr] 109 | pub fn rom_bank_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `video_rom_bank_count` [INFO] [stderr] --> src/rom.rs:113:2 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn video_rom_bank_count(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `step` [INFO] [stderr] --> src/simulate.rs:53:2 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn step(&mut self) -> CpuState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:41:2 [INFO] [stderr] | [INFO] [stderr] 41 | fp.read_exact(&mut val); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:48:3 [INFO] [stderr] | [INFO] [stderr] 48 | fp.read_exact(&mut magic); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:63:3 [INFO] [stderr] | [INFO] [stderr] 63 | fp.seek(SeekFrom::Current(7)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:87:4 [INFO] [stderr] | [INFO] [stderr] 87 | fp.seek(SeekFrom::Current(512)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:90:3 [INFO] [stderr] | [INFO] [stderr] 90 | fp.read_exact(&mut rom[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rom.rs:91:3 [INFO] [stderr] | [INFO] [stderr] 91 | fp.read_exact(&mut video_rom[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.88s [INFO] running `"docker" "inspect" "1ef3d9cbdf197c3cad6f6a7145f7cd1e03a759b4a9be6960386a9b93d80c5e04"` [INFO] running `"docker" "rm" "-f" "1ef3d9cbdf197c3cad6f6a7145f7cd1e03a759b4a9be6960386a9b93d80c5e04"` [INFO] [stdout] 1ef3d9cbdf197c3cad6f6a7145f7cd1e03a759b4a9be6960386a9b93d80c5e04