[INFO] cloning repository https://github.com/jajajasalu2/CHIP-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jajajasalu2/CHIP-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjajajasalu2%2FCHIP-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjajajasalu2%2FCHIP-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c6a880a01444aa8b406901063a7d6e004bc9829
[INFO] testing jajajasalu2/CHIP-8 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjajajasalu2%2FCHIP-8" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jajajasalu2/CHIP-8 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jajajasalu2/CHIP-8
[INFO] finished tweaking git repo https://github.com/jajajasalu2/CHIP-8
[INFO] tweaked toml for git repo https://github.com/jajajasalu2/CHIP-8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jajajasalu2/CHIP-8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 num-traits v0.2.5
[INFO] [stderr]   Downloaded rand v0.5.4
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded sdl2-sys v0.31.0
[INFO] [stderr]   Downloaded sdl2 v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e655c336b9a708b69cf2a3a628f402766afc2b3157fb9a521cde6c1da0ae0601
[INFO] running `Command { std: "docker" "start" "-a" "e655c336b9a708b69cf2a3a628f402766afc2b3157fb9a521cde6c1da0ae0601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e655c336b9a708b69cf2a3a628f402766afc2b3157fb9a521cde6c1da0ae0601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e655c336b9a708b69cf2a3a628f402766afc2b3157fb9a521cde6c1da0ae0601", kill_on_drop: false }`
[INFO] [stdout] e655c336b9a708b69cf2a3a628f402766afc2b3157fb9a521cde6c1da0ae0601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f7464d8e9db6291292b3a60c8d51d8cb12d5225126948a3ca7a81dbf9d040b4
[INFO] running `Command { std: "docker" "start" "-a" "7f7464d8e9db6291292b3a60c8d51d8cb12d5225126948a3ca7a81dbf9d040b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stdout]     |                               ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stdout] 200 +                 self.V[0xF] = (self.V[y] & 0x80) >> 7;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::Sdl`
[INFO] [stdout]  --> src/display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::Sdl;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Canvas`
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::Canvas;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::Sdl`
[INFO] [stdout]  --> src/keypad.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::Sdl;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::EventType`
[INFO] [stdout]  --> src/keypad.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::event::EventType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     V: [u8; 16],
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `drawFlag` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub drawFlag: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `draw_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let V = [0; 16];
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NNN` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let NNN = self.opcode & 0x0FFF;
[INFO] [stdout]    |             ^^^ help: convert the identifier to snake case: `nnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NN` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let NN = (self.opcode & 0x00FF) as u8;
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/display.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         canvas.set_scale(10.0,10.0);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/display.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 self.canvas.draw_point(Point::new(column as i32, row as i32));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
[INFO] running `Command { std: "docker" "inspect" "7f7464d8e9db6291292b3a60c8d51d8cb12d5225126948a3ca7a81dbf9d040b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7464d8e9db6291292b3a60c8d51d8cb12d5225126948a3ca7a81dbf9d040b4", kill_on_drop: false }`
[INFO] [stdout] 7f7464d8e9db6291292b3a60c8d51d8cb12d5225126948a3ca7a81dbf9d040b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fefc1ef266671a24f7b8d0dd2ccd36b7dc55ee263d8a61107c98e9824552faac
[INFO] running `Command { std: "docker" "start" "-a" "fefc1ef266671a24f7b8d0dd2ccd36b7dc55ee263d8a61107c98e9824552faac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stdout]     |                               ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stdout] 200 +                 self.V[0xF] = (self.V[y] & 0x80) >> 7;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::Sdl`
[INFO] [stdout]  --> src/display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::Sdl;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Canvas`
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::Canvas;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::Sdl`
[INFO] [stdout]  --> src/keypad.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::Sdl;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::EventType`
[INFO] [stdout]  --> src/keypad.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::event::EventType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     V: [u8; 16],
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `drawFlag` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub drawFlag: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `draw_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let V = [0; 16];
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NNN` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let NNN = self.opcode & 0x0FFF;
[INFO] [stdout]    |             ^^^ help: convert the identifier to snake case: `nnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NN` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let NN = (self.opcode & 0x00FF) as u8;
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/display.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         canvas.set_scale(10.0,10.0);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/display.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 self.canvas.draw_point(Point::new(column as i32, row as i32));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/cpu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/cpu.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:200:31
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stdout]     |                               ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stdout] 200 +                 self.V[0xF] = (self.V[y] & 0x80) >> 7;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::Sdl`
[INFO] [stdout]  --> src/display.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::Sdl;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Canvas`
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::render::Canvas;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::Sdl`
[INFO] [stdout]  --> src/keypad.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2::Sdl;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::EventType`
[INFO] [stdout]  --> src/keypad.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sdl2::event::EventType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `V` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     V: [u8; 16],
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `drawFlag` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub drawFlag: bool,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `draw_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let V = [0; 16];
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NNN` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let NNN = self.opcode & 0x0FFF;
[INFO] [stdout]    |             ^^^ help: convert the identifier to snake case: `nnn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NN` should have a snake case name
[INFO] [stdout]   --> src/cpu.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let NN = (self.opcode & 0x00FF) as u8;
[INFO] [stdout]    |             ^^ help: convert the identifier to snake case: `nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/display.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         canvas.set_scale(10.0,10.0);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/display.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 self.canvas.draw_point(Point::new(column as i32, row as i32));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "fefc1ef266671a24f7b8d0dd2ccd36b7dc55ee263d8a61107c98e9824552faac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefc1ef266671a24f7b8d0dd2ccd36b7dc55ee263d8a61107c98e9824552faac", kill_on_drop: false }`
[INFO] [stdout] fefc1ef266671a24f7b8d0dd2ccd36b7dc55ee263d8a61107c98e9824552faac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61e244fb5243181b2f0a060846558fb190216a081af9814d22be9ca73bf50853
[INFO] running `Command { std: "docker" "start" "-a" "61e244fb5243181b2f0a060846558fb190216a081af9814d22be9ca73bf50853", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/cpu.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/cpu.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/cpu.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stderr]     |                               ^                       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 200 -                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stderr] 200 +                 self.V[0xF] = (self.V[y] & 0x80) >> 7;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::Sdl`
[INFO] [stderr]  --> src/display.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sdl2::Sdl;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::render::Canvas`
[INFO] [stderr]  --> src/display.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sdl2::render::Canvas;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::Sdl`
[INFO] [stderr]  --> src/keypad.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sdl2::Sdl;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::event::EventType`
[INFO] [stderr]  --> src/keypad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sdl2::event::EventType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     V: [u8; 16],
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `drawFlag` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub drawFlag: bool,
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `draw_flag`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let V = [0; 16];
[INFO] [stderr]    |             ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NNN` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let NNN = self.opcode & 0x0FFF;
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `nnn`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NN` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let NN = (self.opcode & 0x00FF) as u8;
[INFO] [stderr]    |             ^^ help: convert the identifier to snake case: `nn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/display.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         canvas.set_scale(10.0,10.0);
[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 `Result` that must be used
[INFO] [stderr]   --> src/display.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 self.canvas.draw_point(Point::new(column as i32, row as i32));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (lib) generated 14 warnings
[INFO] [stderr] warning: `chip8` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8-9be34afefffb5f65)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8-26364b6bc2c6c1a8)
[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] [stdout] 
[INFO] [stderr]    Doc-tests chip8
[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] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/cpu.rs:200:31
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stderr]     |                               ^                       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 200 -                 self.V[0xF] = ((self.V[y] & 0x80) >> 7);
[INFO] [stderr] 200 +                 self.V[0xF] = (self.V[y] & 0x80) >> 7;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "61e244fb5243181b2f0a060846558fb190216a081af9814d22be9ca73bf50853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e244fb5243181b2f0a060846558fb190216a081af9814d22be9ca73bf50853", kill_on_drop: false }`
[INFO] [stdout] 61e244fb5243181b2f0a060846558fb190216a081af9814d22be9ca73bf50853