[INFO] updating cached repository vgf89/chip8remu [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/vgf89/chip8remu [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/vgf89/chip8remu" "work/ex/beta-1.38-1/sources/1.37.0/gh/vgf89/chip8remu"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vgf89/chip8remu'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/vgf89/chip8remu" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vgf89/chip8remu"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vgf89/chip8remu'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 707eca34e5f059f297556c8afd76ee9af8be3870 [INFO] sha for GitHub repo vgf89/chip8remu: 707eca34e5f059f297556c8afd76ee9af8be3870 [INFO] validating manifest of vgf89/chip8remu on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of vgf89/chip8remu on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing vgf89/chip8remu [INFO] finished frobbing vgf89/chip8remu [INFO] frobbed toml for vgf89/chip8remu written to work/ex/beta-1.38-1/sources/1.37.0/gh/vgf89/chip8remu/Cargo.toml [INFO] started frobbing vgf89/chip8remu [INFO] finished frobbing vgf89/chip8remu [INFO] frobbed toml for vgf89/chip8remu written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vgf89/chip8remu/Cargo.toml [INFO] crate vgf89/chip8remu already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing vgf89/chip8remu against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vgf89/chip8remu:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 51fa89bc1cc526abe09ef3e47fee01c281634ab14245d61be6bd238dfc6e261b [INFO] running `"docker" "start" "-a" "51fa89bc1cc526abe09ef3e47fee01c281634ab14245d61be6bd238dfc6e261b"` [INFO] [stderr] Compiling num-traits v0.1.32 [INFO] [stderr] Compiling sdl2-sys v0.30.0 [INFO] [stderr] Compiling libc v0.2.11 [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling num-integer v0.1.32 [INFO] [stderr] Compiling num-iter v0.1.32 [INFO] [stderr] Compiling num v0.1.32 [INFO] [stderr] Compiling sdl2 v0.30.0 [INFO] [stderr] Compiling chip8remu v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Point` [INFO] [stderr] --> src/main.rs:9:18 [INFO] [stderr] | [INFO] [stderr] 9 | use sdl2::rect::{Point, Rect}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::pixels::Color` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use sdl2::pixels::Color; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::mouse::MouseButton` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use sdl2::mouse::MouseButton; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use sdl2::keyboard::Keycode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `WindowContext`, `Window` [INFO] [stderr] --> src/main.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | use sdl2::video::{Window, WindowContext}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Canvas`, `TextureCreator`, `Texture` [INFO] [stderr] --> src/main.rs:15:20 [INFO] [stderr] | [INFO] [stderr] 15 | use sdl2::render::{Canvas, Texture, TextureCreator}; [INFO] [stderr] | ^^^^^^ ^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/chip8.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::num::Wrapping` [INFO] [stderr] --> src/chip8.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::num::Wrapping; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/chip8.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | let mut x = 0u8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/chip8.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 105 | let mut y = 0u8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `height` [INFO] [stderr] --> src/chip8.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | let mut height = 0u8; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_height` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pixel` [INFO] [stderr] --> src/chip8.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | let mut pixel = 0u8; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_pixel` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/chip8.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | let mut addr = 0u16; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/chip8.rs:351:25 [INFO] [stderr] | [INFO] [stderr] 351 | let mut j = 0u8; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `newbit` is never read [INFO] [stderr] --> src/chip8.rs:352:25 [INFO] [stderr] | [INFO] [stderr] 352 | let mut newbit:bool = false; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `oldbit` [INFO] [stderr] --> src/chip8.rs:353:25 [INFO] [stderr] | [INFO] [stderr] 353 | let mut oldbit:bool = false; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_oldbit` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vx` [INFO] [stderr] --> src/chip8.rs:462:29 [INFO] [stderr] | [INFO] [stderr] 462 | let vx = (self.v[x as usize] & 0x000F) as u16; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_vx` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | let mut f = try!(File::open("roms/programs/Chip8 emulator Logo [Garstyciuks].ch8")); [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/chip8.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | let mut x = 0u8; [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/chip8.rs:105:13 [INFO] [stderr] | [INFO] [stderr] 105 | let mut y = 0u8; [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/chip8.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut height = 0u8; [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/chip8.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | let mut pixel = 0u8; [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/chip8.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let mut addr = 0u16; [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/chip8.rs:353:21 [INFO] [stderr] | [INFO] [stderr] 353 | let mut oldbit:bool = false; [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/chip8.rs:438:29 [INFO] [stderr] | [INFO] [stderr] 438 | let mut vx = self.v[x as usize]; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | core.load_rom(); [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] Finished dev [unoptimized + debuginfo] target(s) in 10.44s [INFO] running `"docker" "inspect" "51fa89bc1cc526abe09ef3e47fee01c281634ab14245d61be6bd238dfc6e261b"` [INFO] running `"docker" "rm" "-f" "51fa89bc1cc526abe09ef3e47fee01c281634ab14245d61be6bd238dfc6e261b"` [INFO] [stdout] 51fa89bc1cc526abe09ef3e47fee01c281634ab14245d61be6bd238dfc6e261b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vgf89/chip8remu:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] a9bf3bff78a320755da2aceb7349fa03c19472601baf918b25df791bd46cdc5d [INFO] running `"docker" "start" "-a" "a9bf3bff78a320755da2aceb7349fa03c19472601baf918b25df791bd46cdc5d"` [INFO] [stderr] Compiling chip8remu v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Point` [INFO] [stderr] --> src/main.rs:9:18 [INFO] [stderr] | [INFO] [stderr] 9 | use sdl2::rect::{Point, Rect}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::pixels::Color` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use sdl2::pixels::Color; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::mouse::MouseButton` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use sdl2::mouse::MouseButton; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::keyboard::Keycode` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use sdl2::keyboard::Keycode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `WindowContext`, `Window` [INFO] [stderr] --> src/main.rs:14:19 [INFO] [stderr] | [INFO] [stderr] 14 | use sdl2::video::{Window, WindowContext}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Canvas`, `TextureCreator`, `Texture` [INFO] [stderr] --> src/main.rs:15:20 [INFO] [stderr] | [INFO] [stderr] 15 | use sdl2::render::{Canvas, Texture, TextureCreator}; [INFO] [stderr] | ^^^^^^ ^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/chip8.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::num::Wrapping` [INFO] [stderr] --> src/chip8.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::num::Wrapping; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/chip8.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | let mut x = 0u8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/chip8.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 105 | let mut y = 0u8; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `height` [INFO] [stderr] --> src/chip8.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | let mut height = 0u8; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_height` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pixel` [INFO] [stderr] --> src/chip8.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | let mut pixel = 0u8; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_pixel` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/chip8.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | let mut addr = 0u16; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `j` is never read [INFO] [stderr] --> src/chip8.rs:351:25 [INFO] [stderr] | [INFO] [stderr] 351 | let mut j = 0u8; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `newbit` is never read [INFO] [stderr] --> src/chip8.rs:352:25 [INFO] [stderr] | [INFO] [stderr] 352 | let mut newbit:bool = false; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `oldbit` [INFO] [stderr] --> src/chip8.rs:353:25 [INFO] [stderr] | [INFO] [stderr] 353 | let mut oldbit:bool = false; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_oldbit` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vx` [INFO] [stderr] --> src/chip8.rs:462:29 [INFO] [stderr] | [INFO] [stderr] 462 | let vx = (self.v[x as usize] & 0x000F) as u16; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_vx` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | let mut f = try!(File::open("roms/programs/Chip8 emulator Logo [Garstyciuks].ch8")); [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/chip8.rs:104:13 [INFO] [stderr] | [INFO] [stderr] 104 | let mut x = 0u8; [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/chip8.rs:105:13 [INFO] [stderr] | [INFO] [stderr] 105 | let mut y = 0u8; [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/chip8.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let mut height = 0u8; [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/chip8.rs:107:13 [INFO] [stderr] | [INFO] [stderr] 107 | let mut pixel = 0u8; [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/chip8.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let mut addr = 0u16; [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/chip8.rs:353:21 [INFO] [stderr] | [INFO] [stderr] 353 | let mut oldbit:bool = false; [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/chip8.rs:438:29 [INFO] [stderr] | [INFO] [stderr] 438 | let mut vx = self.v[x as usize]; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | core.load_rom(); [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] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "a9bf3bff78a320755da2aceb7349fa03c19472601baf918b25df791bd46cdc5d"` [INFO] running `"docker" "rm" "-f" "a9bf3bff78a320755da2aceb7349fa03c19472601baf918b25df791bd46cdc5d"` [INFO] [stdout] a9bf3bff78a320755da2aceb7349fa03c19472601baf918b25df791bd46cdc5d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vgf89/chip8remu:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] ddac8daef95666d1645da43003147ccad4b4deab80816c1d8d2a0cd73cd8275c [INFO] running `"docker" "start" "-a" "ddac8daef95666d1645da43003147ccad4b4deab80816c1d8d2a0cd73cd8275c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/chip8remu-4062cfe45930695b [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "ddac8daef95666d1645da43003147ccad4b4deab80816c1d8d2a0cd73cd8275c"` [INFO] running `"docker" "rm" "-f" "ddac8daef95666d1645da43003147ccad4b4deab80816c1d8d2a0cd73cd8275c"` [INFO] [stdout] ddac8daef95666d1645da43003147ccad4b4deab80816c1d8d2a0cd73cd8275c