[INFO] cloning repository https://github.com/sbuggay/rnes [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbuggay/rnes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbuggay%2Frnes"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbuggay%2Frnes'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cd26a016b689589dd14089667bdede8ab9459e96 [INFO] checking sbuggay/rnes against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbuggay%2Frnes" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sbuggay/rnes on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sbuggay/rnes [INFO] finished tweaking git repo https://github.com/sbuggay/rnes [INFO] tweaked toml for git repo https://github.com/sbuggay/rnes written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/sbuggay/rnes already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 45e7160bff2eebc27a2866c23192f9e44d1781a28c81e3b3924225d4dfb95c9e [INFO] running `"docker" "start" "-a" "45e7160bff2eebc27a2866c23192f9e44d1781a28c81e3b3924225d4dfb95c9e"` [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking lazy_static v0.2.11 [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 num v0.1.42 [INFO] [stderr] Checking sdl2 v0.31.0 (https://github.com/AngryLawyer/rust-sdl2#4bb6b9ab) [INFO] [stderr] Checking nes v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/rom.rs:18:3 [INFO] [stderr] | [INFO] [stderr] 18 | try!(write!( [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/simulate.rs:23:3 [INFO] [stderr] | [INFO] [stderr] 23 | try!(write!( [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: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/rom.rs:18:3 [INFO] [stderr] | [INFO] [stderr] 18 | try!(write!( [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/simulate.rs:23:3 [INFO] [stderr] | [INFO] [stderr] 23 | try!(write!( [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: 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: 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: 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: 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: 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 13.45s [INFO] running `"docker" "inspect" "45e7160bff2eebc27a2866c23192f9e44d1781a28c81e3b3924225d4dfb95c9e"` [INFO] running `"docker" "rm" "-f" "45e7160bff2eebc27a2866c23192f9e44d1781a28c81e3b3924225d4dfb95c9e"` [INFO] [stdout] 45e7160bff2eebc27a2866c23192f9e44d1781a28c81e3b3924225d4dfb95c9e