Dec 06 14:28:44.510 INFO testing DomParfitt/chip-8 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 14:28:44.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 14:28:45.083 INFO [stdout] 19ac01a9054b87d72d9a15786588a42239aadc43eb474dec733183694ce261c5
Dec 06 14:28:45.085 INFO running `"docker" "start" "-a" "19ac01a9054b87d72d9a15786588a42239aadc43eb474dec733183694ce261c5"`
Dec 06 14:28:47.747 INFO [stderr] usermod: no changes
Dec 06 14:28:48.208 INFO [stderr]    Compiling shared_library v0.1.8
Dec 06 14:28:48.229 INFO [stderr]    Compiling tempfile v3.0.2
Dec 06 14:28:48.253 INFO [stderr]    Compiling x11-dl v2.17.5
Dec 06 14:28:48.255 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 06 14:28:48.261 INFO [stderr]    Compiling serde_derive v1.0.64
Dec 06 14:28:48.263 INFO [stderr]    Compiling num-derive v0.2.2
Dec 06 14:28:48.268 INFO [stderr]    Compiling wayland-client v0.12.5
Dec 06 14:28:53.325 INFO [stderr]    Compiling osmesa-sys v0.1.2
Dec 06 14:28:58.662 INFO [stderr]    Compiling rayon v1.0.1
Dec 06 14:29:01.408 INFO [stderr]    Compiling wayland-protocols v0.12.5
Dec 06 14:29:01.410 INFO [stderr]    Compiling wayland-kbd v0.13.1
Dec 06 14:29:15.022 INFO [stderr]    Compiling jpeg-decoder v0.1.14
Dec 06 14:29:17.244 INFO [stderr]    Compiling wayland-window v0.13.3
Dec 06 14:29:20.796 INFO [stderr]    Compiling winit v0.12.0
Dec 06 14:29:28.260 INFO [stderr]    Compiling image v0.19.0
Dec 06 14:29:29.432 INFO [stderr]    Compiling pistoncore-input v0.21.0
Dec 06 14:29:39.511 INFO [stderr]    Compiling glutin v0.14.0
Dec 06 14:29:40.896 INFO [stderr]    Compiling pistoncore-window v0.32.0
Dec 06 14:29:48.008 INFO [stderr]    Compiling pistoncore-event_loop v0.37.0
Dec 06 14:29:48.008 INFO [stderr]    Compiling pistoncore-glutin_window v0.47.0
Dec 06 14:29:54.636 INFO [stderr]    Compiling piston v0.37.0
Dec 06 14:29:57.484 INFO [stderr]    Compiling piston-gfx_texture v0.32.0
Dec 06 14:30:03.092 INFO [stderr]    Compiling piston2d-gfx_graphics v0.51.0
Dec 06 14:30:08.614 INFO [stderr]    Compiling piston_window v0.80.0
Dec 06 14:30:13.666 INFO [stderr]    Compiling emu v0.1.0 (/source)
Dec 06 14:30:18.176 INFO [stderr] warning: unused import: `Duration`
Dec 06 14:30:18.176 INFO [stderr]  --> src/main.rs:8:17
Dec 06 14:30:18.176 INFO [stderr]   |
Dec 06 14:30:18.176 INFO [stderr] 8 | use std::time::{Duration, Instant};
Dec 06 14:30:18.176 INFO [stderr]   |                 ^^^^^^^^
Dec 06 14:30:18.176 INFO [stderr]   |
Dec 06 14:30:18.176 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:30:18.176 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: variable `high` is assigned to, but never used
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:10:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 10 |         let mut high: u8;
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^^
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:30:18.433 INFO [stderr]    = note: consider using `_high` instead
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: variable `low` is assigned to, but never used
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:11:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 11 |         let mut low: u8;
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr]    = note: consider using `_low` instead
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:17:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^^
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:20:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:24:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 24 |                 high = 0x00;
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:25:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 25 |                 low = 0xE0;
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:34:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 34 |                 high = 0x00;
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:35:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 35 |                 low = 0xEE;
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:41:17
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Dec 06 14:30:18.433 INFO [stderr]    |                 ^^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:44:21
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Dec 06 14:30:18.433 INFO [stderr]    |                     ^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:46:21
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.433 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Dec 06 14:30:18.433 INFO [stderr]    |                     ^^^
Dec 06 14:30:18.433 INFO [stderr] 
Dec 06 14:30:18.433 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:18.433 INFO [stderr]   --> src/assembler/mod.rs:58:19
Dec 06 14:30:18.433 INFO [stderr]    |
Dec 06 14:30:18.434 INFO [stderr] 58 |             _ => {high = 0x00;
Dec 06 14:30:18.434 INFO [stderr]    |                   ^^^^
Dec 06 14:30:18.434 INFO [stderr] 
Dec 06 14:30:18.434 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:18.434 INFO [stderr]   --> src/assembler/mod.rs:59:17
Dec 06 14:30:18.434 INFO [stderr]    |
Dec 06 14:30:18.434 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Dec 06 14:30:18.434 INFO [stderr]    |                 ^^^
Dec 06 14:30:18.434 INFO [stderr] 
Dec 06 14:30:18.434 INFO [stderr] warning: unused variable: `operand`
Dec 06 14:30:18.434 INFO [stderr]   --> src/assembler/mod.rs:70:34
Dec 06 14:30:18.434 INFO [stderr]    |
Dec 06 14:30:18.434 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 06 14:30:18.434 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Dec 06 14:30:18.434 INFO [stderr] 
Dec 06 14:30:18.434 INFO [stderr] warning: unused variable: `now`
Dec 06 14:30:18.434 INFO [stderr]   --> src/main.rs:24:13
Dec 06 14:30:18.434 INFO [stderr]    |
Dec 06 14:30:18.434 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 06 14:30:18.434 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 06 14:30:18.434 INFO [stderr] 
Dec 06 14:30:18.434 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Dec 06 14:30:18.434 INFO [stderr]   --> src/main.rs:25:13
Dec 06 14:30:18.434 INFO [stderr]    |
Dec 06 14:30:18.434 INFO [stderr] 25 |     let mut cycle_count = 0;
Dec 06 14:30:18.434 INFO [stderr]    |             ^^^^^^^^^^^
Dec 06 14:30:18.434 INFO [stderr]    |
Dec 06 14:30:18.434 INFO [stderr]    = note: consider using `_cycle_count` instead
Dec 06 14:30:18.434 INFO [stderr] 
Dec 06 14:30:18.434 INFO [stderr] warning: unused variable: `high_byte`
Dec 06 14:30:18.434 INFO [stderr]    --> src/chip8/mod.rs:145:13
Dec 06 14:30:18.434 INFO [stderr]     |
Dec 06 14:30:18.434 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Dec 06 14:30:18.434 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 06 14:30:18.434 INFO [stderr] 
Dec 06 14:30:18.434 INFO [stderr] warning: unused variable: `high_byte`
Dec 06 14:30:18.434 INFO [stderr]    --> src/chip8/mod.rs:442:13
Dec 06 14:30:18.434 INFO [stderr]     |
Dec 06 14:30:18.434 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Dec 06 14:30:18.434 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 06 14:30:18.434 INFO [stderr] 
Dec 06 14:30:18.448 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:18.448 INFO [stderr]   --> src/main.rs:24:9
Dec 06 14:30:18.448 INFO [stderr]    |
Dec 06 14:30:18.448 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 06 14:30:18.448 INFO [stderr]    |         ----^^^
Dec 06 14:30:18.448 INFO [stderr]    |         |
Dec 06 14:30:18.448 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:30:18.448 INFO [stderr]    |
Dec 06 14:30:18.448 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 14:30:18.448 INFO [stderr] 
Dec 06 14:30:18.455 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:18.455 INFO [stderr]  --> src/assembler/mod.rs:5:9
Dec 06 14:30:18.455 INFO [stderr]   |
Dec 06 14:30:18.455 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Dec 06 14:30:18.455 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.455 INFO [stderr]   |         |
Dec 06 14:30:18.455 INFO [stderr]   |         help: remove this `mut`
Dec 06 14:30:18.455 INFO [stderr] 
Dec 06 14:30:18.455 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:18.455 INFO [stderr]   --> src/assembler/mod.rs:10:13
Dec 06 14:30:18.455 INFO [stderr]    |
Dec 06 14:30:18.455 INFO [stderr] 10 |         let mut high: u8;
Dec 06 14:30:18.455 INFO [stderr]    |             ----^^^^
Dec 06 14:30:18.456 INFO [stderr]    |             |
Dec 06 14:30:18.456 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:30:18.456 INFO [stderr] 
Dec 06 14:30:18.456 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:18.456 INFO [stderr]   --> src/assembler/mod.rs:11:13
Dec 06 14:30:18.456 INFO [stderr]    |
Dec 06 14:30:18.456 INFO [stderr] 11 |         let mut low: u8;
Dec 06 14:30:18.456 INFO [stderr]    |             ----^^^
Dec 06 14:30:18.456 INFO [stderr]    |             |
Dec 06 14:30:18.456 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:30:18.456 INFO [stderr] 
Dec 06 14:30:18.495 INFO [stderr] warning: function is never used: `assemble`
Dec 06 14:30:18.495 INFO [stderr]  --> src/assembler/mod.rs:4:1
Dec 06 14:30:18.495 INFO [stderr]   |
Dec 06 14:30:18.495 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Dec 06 14:30:18.495 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.495 INFO [stderr]   |
Dec 06 14:30:18.495 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 14:30:18.495 INFO [stderr] 
Dec 06 14:30:18.495 INFO [stderr] warning: function is never used: `assemble_opcode`
Dec 06 14:30:18.495 INFO [stderr]   --> src/assembler/mod.rs:70:1
Dec 06 14:30:18.495 INFO [stderr]    |
Dec 06 14:30:18.495 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 06 14:30:18.495 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.495 INFO [stderr] 
Dec 06 14:30:18.495 INFO [stderr] warning: function is never used: `get_register_number`
Dec 06 14:30:18.495 INFO [stderr]   --> src/assembler/mod.rs:80:1
Dec 06 14:30:18.495 INFO [stderr]    |
Dec 06 14:30:18.495 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Dec 06 14:30:18.495 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.495 INFO [stderr] 
Dec 06 14:30:18.495 INFO [stderr] warning: method is never used: `load_program`
Dec 06 14:30:18.495 INFO [stderr]   --> src/chip8/mod.rs:49:5
Dec 06 14:30:18.495 INFO [stderr]    |
Dec 06 14:30:18.495 INFO [stderr] 49 |     pub fn load_program(&mut self, program: Vec<u8>) {
Dec 06 14:30:18.495 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.495 INFO [stderr] 
Dec 06 14:30:18.495 INFO [stderr] warning: method is never used: `print_display`
Dec 06 14:30:18.495 INFO [stderr]   --> src/chip8/mod.rs:92:5
Dec 06 14:30:18.495 INFO [stderr]    |
Dec 06 14:30:18.495 INFO [stderr] 92 |     pub fn print_display(&self) {
Dec 06 14:30:18.495 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.495 INFO [stderr] 
Dec 06 14:30:18.495 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Dec 06 14:30:18.495 INFO [stderr]    --> src/chip8/mod.rs:402:5
Dec 06 14:30:18.495 INFO [stderr]     |
Dec 06 14:30:18.495 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Dec 06 14:30:18.495 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.495 INFO [stderr] 
Dec 06 14:30:18.495 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Dec 06 14:30:18.495 INFO [stderr]    --> src/chip8/mod.rs:406:5
Dec 06 14:30:18.495 INFO [stderr]     |
Dec 06 14:30:18.495 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Dec 06 14:30:18.495 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.495 INFO [stderr] 
Dec 06 14:30:18.496 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 06 14:30:18.496 INFO [stderr]   --> src/chip8/mod.rs:20:5
Dec 06 14:30:18.496 INFO [stderr]    |
Dec 06 14:30:18.496 INFO [stderr] 20 |     pub V: [u8; 16],
Dec 06 14:30:18.496 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 14:30:18.496 INFO [stderr]    |
Dec 06 14:30:18.496 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 14:30:18.496 INFO [stderr] 
Dec 06 14:30:18.496 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 06 14:30:18.496 INFO [stderr]   --> src/chip8/mod.rs:21:5
Dec 06 14:30:18.496 INFO [stderr]    |
Dec 06 14:30:18.496 INFO [stderr] 21 |     pub I: u16,
Dec 06 14:30:18.496 INFO [stderr]    |     ^^^^^^^^^^
Dec 06 14:30:18.496 INFO [stderr] 
Dec 06 14:30:18.497 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:30:18.497 INFO [stderr]   --> src/main.rs:31:13
Dec 06 14:30:18.497 INFO [stderr]    |
Dec 06 14:30:18.497 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Dec 06 14:30:18.497 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:18.497 INFO [stderr]    |
Dec 06 14:30:18.497 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 14:30:18.497 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:30:18.497 INFO [stderr] 
Dec 06 14:30:23.141 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
Dec 06 14:30:23.155 INFO [stderr] su: No module specific data is present
Dec 06 14:30:23.425 INFO running `"docker" "inspect" "19ac01a9054b87d72d9a15786588a42239aadc43eb474dec733183694ce261c5"`
Dec 06 14:30:23.518 INFO running `"docker" "rm" "-f" "19ac01a9054b87d72d9a15786588a42239aadc43eb474dec733183694ce261c5"`
Dec 06 14:30:23.627 INFO [stdout] 19ac01a9054b87d72d9a15786588a42239aadc43eb474dec733183694ce261c5
Dec 06 14:30:23.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 14:30:23.800 INFO [stdout] b8b6284efab68d91f63151a016b8af6c4a3a8b074bd159948f41964c9733d6f7
Dec 06 14:30:23.806 INFO running `"docker" "start" "-a" "b8b6284efab68d91f63151a016b8af6c4a3a8b074bd159948f41964c9733d6f7"`
Dec 06 14:30:24.561 INFO [stderr] usermod: no changes
Dec 06 14:30:24.726 INFO [stderr]    Compiling emu v0.1.0 (/source)
Dec 06 14:30:29.460 INFO [stderr] warning: unused import: `Duration`
Dec 06 14:30:29.460 INFO [stderr]  --> src/main.rs:8:17
Dec 06 14:30:29.460 INFO [stderr]   |
Dec 06 14:30:29.460 INFO [stderr] 8 | use std::time::{Duration, Instant};
Dec 06 14:30:29.460 INFO [stderr]   |                 ^^^^^^^^
Dec 06 14:30:29.460 INFO [stderr]   |
Dec 06 14:30:29.460 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:30:29.460 INFO [stderr] 
Dec 06 14:30:29.747 INFO [stderr] warning: variable `high` is assigned to, but never used
Dec 06 14:30:29.747 INFO [stderr]   --> src/assembler/mod.rs:10:17
Dec 06 14:30:29.747 INFO [stderr]    |
Dec 06 14:30:29.747 INFO [stderr] 10 |         let mut high: u8;
Dec 06 14:30:29.747 INFO [stderr]    |                 ^^^^
Dec 06 14:30:29.747 INFO [stderr]    |
Dec 06 14:30:29.747 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:30:29.747 INFO [stderr]    = note: consider using `_high` instead
Dec 06 14:30:29.747 INFO [stderr] 
Dec 06 14:30:29.747 INFO [stderr] warning: variable `low` is assigned to, but never used
Dec 06 14:30:29.747 INFO [stderr]   --> src/assembler/mod.rs:11:17
Dec 06 14:30:29.747 INFO [stderr]    |
Dec 06 14:30:29.747 INFO [stderr] 11 |         let mut low: u8;
Dec 06 14:30:29.747 INFO [stderr]    |                 ^^^
Dec 06 14:30:29.747 INFO [stderr]    |
Dec 06 14:30:29.747 INFO [stderr]    = note: consider using `_low` instead
Dec 06 14:30:29.747 INFO [stderr] 
Dec 06 14:30:29.747 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:29.747 INFO [stderr]   --> src/assembler/mod.rs:17:17
Dec 06 14:30:29.747 INFO [stderr]    |
Dec 06 14:30:29.747 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Dec 06 14:30:29.747 INFO [stderr]    |                 ^^^^
Dec 06 14:30:29.747 INFO [stderr]    |
Dec 06 14:30:29.747 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 14:30:29.747 INFO [stderr] 
Dec 06 14:30:29.747 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:20:17
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Dec 06 14:30:29.748 INFO [stderr]    |                 ^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:24:17
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 24 |                 high = 0x00;
Dec 06 14:30:29.748 INFO [stderr]    |                 ^^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:25:17
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 25 |                 low = 0xE0;
Dec 06 14:30:29.748 INFO [stderr]    |                 ^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:34:17
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 34 |                 high = 0x00;
Dec 06 14:30:29.748 INFO [stderr]    |                 ^^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:35:17
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 35 |                 low = 0xEE;
Dec 06 14:30:29.748 INFO [stderr]    |                 ^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:41:17
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Dec 06 14:30:29.748 INFO [stderr]    |                 ^^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:44:21
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Dec 06 14:30:29.748 INFO [stderr]    |                     ^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:46:21
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Dec 06 14:30:29.748 INFO [stderr]    |                     ^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `high` is never read
Dec 06 14:30:29.748 INFO [stderr]   --> src/assembler/mod.rs:58:19
Dec 06 14:30:29.748 INFO [stderr]    |
Dec 06 14:30:29.748 INFO [stderr] 58 |             _ => {high = 0x00;
Dec 06 14:30:29.748 INFO [stderr]    |                   ^^^^
Dec 06 14:30:29.748 INFO [stderr] 
Dec 06 14:30:29.748 INFO [stderr] warning: value assigned to `low` is never read
Dec 06 14:30:29.749 INFO [stderr]   --> src/assembler/mod.rs:59:17
Dec 06 14:30:29.749 INFO [stderr]    |
Dec 06 14:30:29.749 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Dec 06 14:30:29.749 INFO [stderr]    |                 ^^^
Dec 06 14:30:29.749 INFO [stderr] 
Dec 06 14:30:29.749 INFO [stderr] warning: unused variable: `operand`
Dec 06 14:30:29.749 INFO [stderr]   --> src/assembler/mod.rs:70:34
Dec 06 14:30:29.749 INFO [stderr]    |
Dec 06 14:30:29.749 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 06 14:30:29.749 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Dec 06 14:30:29.749 INFO [stderr] 
Dec 06 14:30:29.749 INFO [stderr] warning: unused variable: `now`
Dec 06 14:30:29.749 INFO [stderr]   --> src/main.rs:24:13
Dec 06 14:30:29.749 INFO [stderr]    |
Dec 06 14:30:29.749 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 06 14:30:29.749 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 06 14:30:29.749 INFO [stderr] 
Dec 06 14:30:29.749 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Dec 06 14:30:29.749 INFO [stderr]   --> src/main.rs:25:13
Dec 06 14:30:29.749 INFO [stderr]    |
Dec 06 14:30:29.749 INFO [stderr] 25 |     let mut cycle_count = 0;
Dec 06 14:30:29.749 INFO [stderr]    |             ^^^^^^^^^^^
Dec 06 14:30:29.749 INFO [stderr]    |
Dec 06 14:30:29.749 INFO [stderr]    = note: consider using `_cycle_count` instead
Dec 06 14:30:29.749 INFO [stderr] 
Dec 06 14:30:29.749 INFO [stderr] warning: unused variable: `high_byte`
Dec 06 14:30:29.749 INFO [stderr]    --> src/chip8/mod.rs:145:13
Dec 06 14:30:29.749 INFO [stderr]     |
Dec 06 14:30:29.749 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Dec 06 14:30:29.749 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 06 14:30:29.749 INFO [stderr] 
Dec 06 14:30:29.749 INFO [stderr] warning: unused variable: `high_byte`
Dec 06 14:30:29.749 INFO [stderr]    --> src/chip8/mod.rs:442:13
Dec 06 14:30:29.749 INFO [stderr]     |
Dec 06 14:30:29.749 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Dec 06 14:30:29.749 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 06 14:30:29.749 INFO [stderr] 
Dec 06 14:30:29.762 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:29.762 INFO [stderr]   --> src/main.rs:24:9
Dec 06 14:30:29.762 INFO [stderr]    |
Dec 06 14:30:29.762 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 06 14:30:29.762 INFO [stderr]    |         ----^^^
Dec 06 14:30:29.762 INFO [stderr]    |         |
Dec 06 14:30:29.762 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:30:29.762 INFO [stderr]    |
Dec 06 14:30:29.762 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 14:30:29.762 INFO [stderr] 
Dec 06 14:30:29.770 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:29.770 INFO [stderr]  --> src/assembler/mod.rs:5:9
Dec 06 14:30:29.770 INFO [stderr]   |
Dec 06 14:30:29.770 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Dec 06 14:30:29.770 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.770 INFO [stderr]   |         |
Dec 06 14:30:29.770 INFO [stderr]   |         help: remove this `mut`
Dec 06 14:30:29.770 INFO [stderr] 
Dec 06 14:30:29.770 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:29.770 INFO [stderr]   --> src/assembler/mod.rs:10:13
Dec 06 14:30:29.770 INFO [stderr]    |
Dec 06 14:30:29.770 INFO [stderr] 10 |         let mut high: u8;
Dec 06 14:30:29.770 INFO [stderr]    |             ----^^^^
Dec 06 14:30:29.770 INFO [stderr]    |             |
Dec 06 14:30:29.770 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:30:29.770 INFO [stderr] 
Dec 06 14:30:29.770 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:30:29.770 INFO [stderr]   --> src/assembler/mod.rs:11:13
Dec 06 14:30:29.770 INFO [stderr]    |
Dec 06 14:30:29.770 INFO [stderr] 11 |         let mut low: u8;
Dec 06 14:30:29.770 INFO [stderr]    |             ----^^^
Dec 06 14:30:29.770 INFO [stderr]    |             |
Dec 06 14:30:29.770 INFO [stderr]    |             help: remove this `mut`
Dec 06 14:30:29.770 INFO [stderr] 
Dec 06 14:30:29.814 INFO [stderr] warning: function is never used: `test`
Dec 06 14:30:29.814 INFO [stderr]  --> src/assembler/tests.rs:4:1
Dec 06 14:30:29.814 INFO [stderr]   |
Dec 06 14:30:29.814 INFO [stderr] 4 | pub fn test() {
Dec 06 14:30:29.814 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 06 14:30:29.814 INFO [stderr]   |
Dec 06 14:30:29.814 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 14:30:29.814 INFO [stderr] 
Dec 06 14:30:29.814 INFO [stderr] warning: function is never used: `assemble`
Dec 06 14:30:29.815 INFO [stderr]  --> src/assembler/mod.rs:4:1
Dec 06 14:30:29.815 INFO [stderr]   |
Dec 06 14:30:29.815 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Dec 06 14:30:29.815 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.815 INFO [stderr] 
Dec 06 14:30:29.815 INFO [stderr] warning: function is never used: `assemble_opcode`
Dec 06 14:30:29.815 INFO [stderr]   --> src/assembler/mod.rs:70:1
Dec 06 14:30:29.815 INFO [stderr]    |
Dec 06 14:30:29.815 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 06 14:30:29.815 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.815 INFO [stderr] 
Dec 06 14:30:29.815 INFO [stderr] warning: function is never used: `get_register_number`
Dec 06 14:30:29.815 INFO [stderr]   --> src/assembler/mod.rs:80:1
Dec 06 14:30:29.815 INFO [stderr]    |
Dec 06 14:30:29.815 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Dec 06 14:30:29.815 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.815 INFO [stderr] 
Dec 06 14:30:29.815 INFO [stderr] warning: method is never used: `print_display`
Dec 06 14:30:29.815 INFO [stderr]   --> src/chip8/mod.rs:92:5
Dec 06 14:30:29.815 INFO [stderr]    |
Dec 06 14:30:29.815 INFO [stderr] 92 |     pub fn print_display(&self) {
Dec 06 14:30:29.815 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.815 INFO [stderr] 
Dec 06 14:30:29.815 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Dec 06 14:30:29.815 INFO [stderr]    --> src/chip8/mod.rs:402:5
Dec 06 14:30:29.815 INFO [stderr]     |
Dec 06 14:30:29.815 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Dec 06 14:30:29.815 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.815 INFO [stderr] 
Dec 06 14:30:29.815 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Dec 06 14:30:29.815 INFO [stderr]    --> src/chip8/mod.rs:406:5
Dec 06 14:30:29.815 INFO [stderr]     |
Dec 06 14:30:29.815 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Dec 06 14:30:29.815 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.815 INFO [stderr] 
Dec 06 14:30:29.817 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 06 14:30:29.817 INFO [stderr]   --> src/chip8/mod.rs:20:5
Dec 06 14:30:29.817 INFO [stderr]    |
Dec 06 14:30:29.817 INFO [stderr] 20 |     pub V: [u8; 16],
Dec 06 14:30:29.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 06 14:30:29.817 INFO [stderr]    |
Dec 06 14:30:29.817 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 14:30:29.817 INFO [stderr] 
Dec 06 14:30:29.818 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 06 14:30:29.818 INFO [stderr]   --> src/chip8/mod.rs:21:5
Dec 06 14:30:29.818 INFO [stderr]    |
Dec 06 14:30:29.818 INFO [stderr] 21 |     pub I: u16,
Dec 06 14:30:29.818 INFO [stderr]    |     ^^^^^^^^^^
Dec 06 14:30:29.818 INFO [stderr] 
Dec 06 14:30:29.819 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:30:29.820 INFO [stderr]   --> src/main.rs:31:13
Dec 06 14:30:29.820 INFO [stderr]    |
Dec 06 14:30:29.820 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Dec 06 14:30:29.820 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:30:29.820 INFO [stderr]    |
Dec 06 14:30:29.820 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 14:30:29.820 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:30:29.820 INFO [stderr] 
Dec 06 14:30:31.381 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
Dec 06 14:30:31.394 INFO [stderr] su: No module specific data is present
Dec 06 14:30:31.630 INFO running `"docker" "inspect" "b8b6284efab68d91f63151a016b8af6c4a3a8b074bd159948f41964c9733d6f7"`
Dec 06 14:30:31.709 INFO running `"docker" "rm" "-f" "b8b6284efab68d91f63151a016b8af6c4a3a8b074bd159948f41964c9733d6f7"`
Dec 06 14:30:31.825 INFO [stdout] b8b6284efab68d91f63151a016b8af6c4a3a8b074bd159948f41964c9733d6f7
Dec 06 14:30:31.830 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 14:30:32.036 INFO [stdout] 7f4d2f97e76ebb09dad764a8a5e3d43ff6d88905254bc33127e060201026992a
Dec 06 14:30:32.039 INFO running `"docker" "start" "-a" "7f4d2f97e76ebb09dad764a8a5e3d43ff6d88905254bc33127e060201026992a"`
Dec 06 14:30:32.719 INFO [stderr] usermod: no changes
Dec 06 14:30:32.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 06 14:30:32.922 INFO [stderr]      Running /target/debug/deps/emu-0883b068eae0f8da
Dec 06 14:30:32.932 INFO [stdout] 
Dec 06 14:30:32.932 INFO [stdout] running 2 tests
Dec 06 14:30:32.932 INFO [stdout] test chip8::tests::test_call_and_return ... ok
Dec 06 14:30:32.932 INFO [stdout] test chip8::tests::test_call ... ok
Dec 06 14:30:32.932 INFO [stdout] 
Dec 06 14:30:32.932 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:30:32.932 INFO [stdout] 
Dec 06 14:30:32.936 INFO [stderr] su: No module specific data is present
Dec 06 14:30:33.243 INFO running `"docker" "inspect" "7f4d2f97e76ebb09dad764a8a5e3d43ff6d88905254bc33127e060201026992a"`
Dec 06 14:30:33.331 INFO running `"docker" "rm" "-f" "7f4d2f97e76ebb09dad764a8a5e3d43ff6d88905254bc33127e060201026992a"`
Dec 06 14:30:33.467 INFO [stdout] 7f4d2f97e76ebb09dad764a8a5e3d43ff6d88905254bc33127e060201026992a