[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjajajasalu2%2FCHIP-8" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jajajasalu2/CHIP-8 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b077e0ba0d07a08708c1c9efe42ebf9f59167de22c9a04d2cf128e8d479b62f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b077e0ba0d07a08708c1c9efe42ebf9f59167de22c9a04d2cf128e8d479b62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b077e0ba0d07a08708c1c9efe42ebf9f59167de22c9a04d2cf128e8d479b62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b077e0ba0d07a08708c1c9efe42ebf9f59167de22c9a04d2cf128e8d479b62f", kill_on_drop: false }`
[INFO] [stdout] 8b077e0ba0d07a08708c1c9efe42ebf9f59167de22c9a04d2cf128e8d479b62f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f26dbc17247f4a374e031c00bc451fcb18426d53017c1ae2f3a38570c8fb155
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f26dbc17247f4a374e031c00bc451fcb18426d53017c1ae2f3a38570c8fb155", kill_on_drop: false }`
[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 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]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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 `std::result::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 `std::result::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 19.26s
[INFO] running `Command { std: "docker" "inspect" "7f26dbc17247f4a374e031c00bc451fcb18426d53017c1ae2f3a38570c8fb155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f26dbc17247f4a374e031c00bc451fcb18426d53017c1ae2f3a38570c8fb155", kill_on_drop: false }`
[INFO] [stdout] 7f26dbc17247f4a374e031c00bc451fcb18426d53017c1ae2f3a38570c8fb155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae7c1e11e9cd0e8a9f49c7b47d5bef3b0ff2770e109d86540faaa790c1ff95e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ae7c1e11e9cd0e8a9f49c7b47d5bef3b0ff2770e109d86540faaa790c1ff95e", kill_on_drop: false }`
[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]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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 `std::result::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 `std::result::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]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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 `std::result::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 `std::result::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 1.90s
[INFO] running `Command { std: "docker" "inspect" "6ae7c1e11e9cd0e8a9f49c7b47d5bef3b0ff2770e109d86540faaa790c1ff95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae7c1e11e9cd0e8a9f49c7b47d5bef3b0ff2770e109d86540faaa790c1ff95e", kill_on_drop: false }`
[INFO] [stdout] 6ae7c1e11e9cd0e8a9f49c7b47d5bef3b0ff2770e109d86540faaa790c1ff95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9067550cc1ab5824b2a48a3b82c302bcc40092d5975bcd9af32022d2cfc6d23
[INFO] running `Command { std: "docker" "start" "-a" "d9067550cc1ab5824b2a48a3b82c302bcc40092d5975bcd9af32022d2cfc6d23", 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]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[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 `std::result::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 `std::result::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: 14 warnings emitted
[INFO] [stderr] 
[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]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[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 `std::result::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 `std::result::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: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-9ce5051a73e848f9
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-9f7fbb780e9fc6b5
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chip8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [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]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[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" "d9067550cc1ab5824b2a48a3b82c302bcc40092d5975bcd9af32022d2cfc6d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9067550cc1ab5824b2a48a3b82c302bcc40092d5975bcd9af32022d2cfc6d23", kill_on_drop: false }`
[INFO] [stdout] d9067550cc1ab5824b2a48a3b82c302bcc40092d5975bcd9af32022d2cfc6d23