Dec 14 10:51:08.017 INFO testing DomParfitt/chip-8 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 10:51:08.018 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 10:51:08.491 INFO [stdout] 3977c448aefb4e88b19ec603ffda8a98595d4bf9ff4ebcb6388c79efa839d6b1
Dec 14 10:51:08.493 INFO running `"docker" "start" "-a" "3977c448aefb4e88b19ec603ffda8a98595d4bf9ff4ebcb6388c79efa839d6b1"`
Dec 14 10:51:11.461 INFO [stderr] usermod: no changes
Dec 14 10:51:11.946 INFO [stderr]    Compiling shared_library v0.1.8
Dec 14 10:51:11.971 INFO [stderr]    Compiling x11-dl v2.17.5
Dec 14 10:51:11.979 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 14 10:51:12.009 INFO [stderr]    Compiling pistoncore-input v0.21.0
Dec 14 10:51:12.016 INFO [stderr]    Compiling wayland-client v0.12.5
Dec 14 10:51:15.704 INFO [stderr]    Compiling osmesa-sys v0.1.2
Dec 14 10:51:22.103 INFO [stderr]    Compiling rayon v1.0.1
Dec 14 10:51:24.688 INFO [stderr]    Compiling wayland-protocols v0.12.5
Dec 14 10:51:24.690 INFO [stderr]    Compiling wayland-kbd v0.13.1
Dec 14 10:51:34.942 INFO [stderr]    Compiling pistoncore-window v0.32.0
Dec 14 10:51:43.184 INFO [stderr]    Compiling jpeg-decoder v0.1.14
Dec 14 10:51:44.481 INFO [stderr]    Compiling pistoncore-event_loop v0.37.0
Dec 14 10:51:45.712 INFO [stderr]    Compiling wayland-window v0.13.3
Dec 14 10:51:49.144 INFO [stderr]    Compiling piston v0.37.0
Dec 14 10:51:50.151 INFO [stderr]    Compiling winit v0.12.0
Dec 14 10:51:54.501 INFO [stderr]    Compiling image v0.19.0
Dec 14 10:52:04.747 INFO [stderr]    Compiling glutin v0.14.0
Dec 14 10:52:11.317 INFO [stderr]    Compiling pistoncore-glutin_window v0.47.0
Dec 14 10:52:27.427 INFO [stderr]    Compiling piston-gfx_texture v0.32.0
Dec 14 10:52:31.003 INFO [stderr]    Compiling piston2d-gfx_graphics v0.51.0
Dec 14 10:52:36.698 INFO [stderr]    Compiling piston_window v0.80.0
Dec 14 10:52:41.955 INFO [stderr]    Compiling emu v0.1.0 (/source)
Dec 14 10:52:47.055 INFO [stderr] warning: unused import: `Duration`
Dec 14 10:52:47.055 INFO [stderr]  --> src/main.rs:8:17
Dec 14 10:52:47.055 INFO [stderr]   |
Dec 14 10:52:47.055 INFO [stderr] 8 | use std::time::{Duration, Instant};
Dec 14 10:52:47.055 INFO [stderr]   |                 ^^^^^^^^
Dec 14 10:52:47.055 INFO [stderr]   |
Dec 14 10:52:47.055 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 10:52:47.055 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: variable `high` is assigned to, but never used
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:10:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 10 |         let mut high: u8;
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^^
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 10:52:47.357 INFO [stderr]    = note: consider using `_high` instead
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: variable `low` is assigned to, but never used
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:11:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 11 |         let mut low: u8;
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr]    = note: consider using `_low` instead
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:17:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^^
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:20:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:24:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 24 |                 high = 0x00;
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^^
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:25:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 25 |                 low = 0xE0;
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:34:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 34 |                 high = 0x00;
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^^
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:35:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 35 |                 low = 0xEE;
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:41:17
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Dec 14 10:52:47.357 INFO [stderr]    |                 ^^^^
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:44:21
Dec 14 10:52:47.357 INFO [stderr]    |
Dec 14 10:52:47.357 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Dec 14 10:52:47.357 INFO [stderr]    |                     ^^^
Dec 14 10:52:47.357 INFO [stderr] 
Dec 14 10:52:47.357 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:52:47.357 INFO [stderr]   --> src/assembler/mod.rs:46:21
Dec 14 10:52:47.358 INFO [stderr]    |
Dec 14 10:52:47.358 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Dec 14 10:52:47.358 INFO [stderr]    |                     ^^^
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.358 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:52:47.358 INFO [stderr]   --> src/assembler/mod.rs:58:19
Dec 14 10:52:47.358 INFO [stderr]    |
Dec 14 10:52:47.358 INFO [stderr] 58 |             _ => {high = 0x00;
Dec 14 10:52:47.358 INFO [stderr]    |                   ^^^^
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.358 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:52:47.358 INFO [stderr]   --> src/assembler/mod.rs:59:17
Dec 14 10:52:47.358 INFO [stderr]    |
Dec 14 10:52:47.358 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Dec 14 10:52:47.358 INFO [stderr]    |                 ^^^
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.358 INFO [stderr] warning: unused variable: `operand`
Dec 14 10:52:47.358 INFO [stderr]   --> src/assembler/mod.rs:70:34
Dec 14 10:52:47.358 INFO [stderr]    |
Dec 14 10:52:47.358 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 14 10:52:47.358 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.358 INFO [stderr] warning: unused variable: `now`
Dec 14 10:52:47.358 INFO [stderr]   --> src/main.rs:24:13
Dec 14 10:52:47.358 INFO [stderr]    |
Dec 14 10:52:47.358 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 14 10:52:47.358 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.358 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Dec 14 10:52:47.358 INFO [stderr]   --> src/main.rs:25:13
Dec 14 10:52:47.358 INFO [stderr]    |
Dec 14 10:52:47.358 INFO [stderr] 25 |     let mut cycle_count = 0;
Dec 14 10:52:47.358 INFO [stderr]    |             ^^^^^^^^^^^
Dec 14 10:52:47.358 INFO [stderr]    |
Dec 14 10:52:47.358 INFO [stderr]    = note: consider using `_cycle_count` instead
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.358 INFO [stderr] warning: unused variable: `high_byte`
Dec 14 10:52:47.358 INFO [stderr]    --> src/chip8/mod.rs:145:13
Dec 14 10:52:47.358 INFO [stderr]     |
Dec 14 10:52:47.358 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Dec 14 10:52:47.358 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.358 INFO [stderr] warning: unused variable: `high_byte`
Dec 14 10:52:47.358 INFO [stderr]    --> src/chip8/mod.rs:442:13
Dec 14 10:52:47.358 INFO [stderr]     |
Dec 14 10:52:47.358 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Dec 14 10:52:47.358 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 14 10:52:47.358 INFO [stderr] 
Dec 14 10:52:47.367 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:52:47.367 INFO [stderr]   --> src/main.rs:24:9
Dec 14 10:52:47.367 INFO [stderr]    |
Dec 14 10:52:47.367 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 14 10:52:47.367 INFO [stderr]    |         ----^^^
Dec 14 10:52:47.367 INFO [stderr]    |         |
Dec 14 10:52:47.367 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:52:47.367 INFO [stderr]    |
Dec 14 10:52:47.367 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 10:52:47.367 INFO [stderr] 
Dec 14 10:52:47.383 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:52:47.383 INFO [stderr]  --> src/assembler/mod.rs:5:9
Dec 14 10:52:47.383 INFO [stderr]   |
Dec 14 10:52:47.383 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Dec 14 10:52:47.383 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.383 INFO [stderr]   |         |
Dec 14 10:52:47.383 INFO [stderr]   |         help: remove this `mut`
Dec 14 10:52:47.383 INFO [stderr] 
Dec 14 10:52:47.383 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:52:47.383 INFO [stderr]   --> src/assembler/mod.rs:10:13
Dec 14 10:52:47.383 INFO [stderr]    |
Dec 14 10:52:47.383 INFO [stderr] 10 |         let mut high: u8;
Dec 14 10:52:47.383 INFO [stderr]    |             ----^^^^
Dec 14 10:52:47.383 INFO [stderr]    |             |
Dec 14 10:52:47.383 INFO [stderr]    |             help: remove this `mut`
Dec 14 10:52:47.383 INFO [stderr] 
Dec 14 10:52:47.383 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:52:47.383 INFO [stderr]   --> src/assembler/mod.rs:11:13
Dec 14 10:52:47.383 INFO [stderr]    |
Dec 14 10:52:47.383 INFO [stderr] 11 |         let mut low: u8;
Dec 14 10:52:47.383 INFO [stderr]    |             ----^^^
Dec 14 10:52:47.383 INFO [stderr]    |             |
Dec 14 10:52:47.383 INFO [stderr]    |             help: remove this `mut`
Dec 14 10:52:47.383 INFO [stderr] 
Dec 14 10:52:47.426 INFO [stderr] warning: function is never used: `assemble`
Dec 14 10:52:47.426 INFO [stderr]  --> src/assembler/mod.rs:4:1
Dec 14 10:52:47.426 INFO [stderr]   |
Dec 14 10:52:47.426 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Dec 14 10:52:47.426 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.426 INFO [stderr]   |
Dec 14 10:52:47.426 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 10:52:47.426 INFO [stderr] 
Dec 14 10:52:47.426 INFO [stderr] warning: function is never used: `assemble_opcode`
Dec 14 10:52:47.426 INFO [stderr]   --> src/assembler/mod.rs:70:1
Dec 14 10:52:47.426 INFO [stderr]    |
Dec 14 10:52:47.426 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 14 10:52:47.426 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.426 INFO [stderr] 
Dec 14 10:52:47.426 INFO [stderr] warning: function is never used: `get_register_number`
Dec 14 10:52:47.426 INFO [stderr]   --> src/assembler/mod.rs:80:1
Dec 14 10:52:47.426 INFO [stderr]    |
Dec 14 10:52:47.426 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Dec 14 10:52:47.426 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.426 INFO [stderr] 
Dec 14 10:52:47.426 INFO [stderr] warning: method is never used: `load_program`
Dec 14 10:52:47.427 INFO [stderr]   --> src/chip8/mod.rs:49:5
Dec 14 10:52:47.427 INFO [stderr]    |
Dec 14 10:52:47.427 INFO [stderr] 49 |     pub fn load_program(&mut self, program: Vec<u8>) {
Dec 14 10:52:47.427 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.427 INFO [stderr] 
Dec 14 10:52:47.427 INFO [stderr] warning: method is never used: `print_display`
Dec 14 10:52:47.427 INFO [stderr]   --> src/chip8/mod.rs:92:5
Dec 14 10:52:47.427 INFO [stderr]    |
Dec 14 10:52:47.427 INFO [stderr] 92 |     pub fn print_display(&self) {
Dec 14 10:52:47.427 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.427 INFO [stderr] 
Dec 14 10:52:47.427 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Dec 14 10:52:47.427 INFO [stderr]    --> src/chip8/mod.rs:402:5
Dec 14 10:52:47.427 INFO [stderr]     |
Dec 14 10:52:47.427 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Dec 14 10:52:47.427 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.427 INFO [stderr] 
Dec 14 10:52:47.427 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Dec 14 10:52:47.427 INFO [stderr]    --> src/chip8/mod.rs:406:5
Dec 14 10:52:47.427 INFO [stderr]     |
Dec 14 10:52:47.427 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Dec 14 10:52:47.427 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.427 INFO [stderr] 
Dec 14 10:52:47.431 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 14 10:52:47.431 INFO [stderr]   --> src/chip8/mod.rs:20:5
Dec 14 10:52:47.431 INFO [stderr]    |
Dec 14 10:52:47.431 INFO [stderr] 20 |     pub V: [u8; 16],
Dec 14 10:52:47.431 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 10:52:47.431 INFO [stderr]    |
Dec 14 10:52:47.431 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 10:52:47.431 INFO [stderr] 
Dec 14 10:52:47.431 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 14 10:52:47.431 INFO [stderr]   --> src/chip8/mod.rs:21:5
Dec 14 10:52:47.431 INFO [stderr]    |
Dec 14 10:52:47.431 INFO [stderr] 21 |     pub I: u16,
Dec 14 10:52:47.431 INFO [stderr]    |     ^^^^^^^^^^
Dec 14 10:52:47.431 INFO [stderr] 
Dec 14 10:52:47.431 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 10:52:47.431 INFO [stderr]   --> src/main.rs:31:13
Dec 14 10:52:47.431 INFO [stderr]    |
Dec 14 10:52:47.431 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Dec 14 10:52:47.431 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:52:47.431 INFO [stderr]    |
Dec 14 10:52:47.431 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 10:52:47.431 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 10:52:47.431 INFO [stderr] 
Dec 14 10:52:53.554 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
Dec 14 10:52:53.579 INFO [stderr] su: No module specific data is present
Dec 14 10:52:54.602 INFO running `"docker" "inspect" "3977c448aefb4e88b19ec603ffda8a98595d4bf9ff4ebcb6388c79efa839d6b1"`
Dec 14 10:52:54.885 INFO running `"docker" "rm" "-f" "3977c448aefb4e88b19ec603ffda8a98595d4bf9ff4ebcb6388c79efa839d6b1"`
Dec 14 10:52:55.179 INFO [stdout] 3977c448aefb4e88b19ec603ffda8a98595d4bf9ff4ebcb6388c79efa839d6b1
Dec 14 10:52:55.185 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 10:52:55.627 INFO [stdout] c4c2852d28e0a62b533dbf4d87d7a92e86401eebf50e6ab112cc4d881c5123a7
Dec 14 10:52:55.630 INFO running `"docker" "start" "-a" "c4c2852d28e0a62b533dbf4d87d7a92e86401eebf50e6ab112cc4d881c5123a7"`
Dec 14 10:52:56.811 INFO [stderr] usermod: no changes
Dec 14 10:52:57.047 INFO [stderr]    Compiling emu v0.1.0 (/source)
Dec 14 10:53:02.551 INFO [stderr] warning: unused import: `Duration`
Dec 14 10:53:02.551 INFO [stderr]  --> src/main.rs:8:17
Dec 14 10:53:02.551 INFO [stderr]   |
Dec 14 10:53:02.551 INFO [stderr] 8 | use std::time::{Duration, Instant};
Dec 14 10:53:02.551 INFO [stderr]   |                 ^^^^^^^^
Dec 14 10:53:02.551 INFO [stderr]   |
Dec 14 10:53:02.551 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 10:53:02.551 INFO [stderr] 
Dec 14 10:53:02.821 INFO [stderr] warning: variable `high` is assigned to, but never used
Dec 14 10:53:02.821 INFO [stderr]   --> src/assembler/mod.rs:10:17
Dec 14 10:53:02.821 INFO [stderr]    |
Dec 14 10:53:02.821 INFO [stderr] 10 |         let mut high: u8;
Dec 14 10:53:02.821 INFO [stderr]    |                 ^^^^
Dec 14 10:53:02.821 INFO [stderr]    |
Dec 14 10:53:02.821 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 10:53:02.821 INFO [stderr]    = note: consider using `_high` instead
Dec 14 10:53:02.821 INFO [stderr] 
Dec 14 10:53:02.821 INFO [stderr] warning: variable `low` is assigned to, but never used
Dec 14 10:53:02.821 INFO [stderr]   --> src/assembler/mod.rs:11:17
Dec 14 10:53:02.821 INFO [stderr]    |
Dec 14 10:53:02.821 INFO [stderr] 11 |         let mut low: u8;
Dec 14 10:53:02.822 INFO [stderr]    |                 ^^^
Dec 14 10:53:02.822 INFO [stderr]    |
Dec 14 10:53:02.822 INFO [stderr]    = note: consider using `_low` instead
Dec 14 10:53:02.822 INFO [stderr] 
Dec 14 10:53:02.822 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:53:02.822 INFO [stderr]   --> src/assembler/mod.rs:17:17
Dec 14 10:53:02.822 INFO [stderr]    |
Dec 14 10:53:02.822 INFO [stderr] 17 |                 high =  (0x8 << 8) | get_register_number(x);
Dec 14 10:53:02.822 INFO [stderr]    |                 ^^^^
Dec 14 10:53:02.823 INFO [stderr]    |
Dec 14 10:53:02.823 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 10:53:02.823 INFO [stderr] 
Dec 14 10:53:02.823 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:53:02.823 INFO [stderr]   --> src/assembler/mod.rs:20:17
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 20 |                 low = (get_register_number(y) << 8) | 0x2;
Dec 14 10:53:02.827 INFO [stderr]    |                 ^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:24:17
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 24 |                 high = 0x00;
Dec 14 10:53:02.827 INFO [stderr]    |                 ^^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:25:17
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 25 |                 low = 0xE0;
Dec 14 10:53:02.827 INFO [stderr]    |                 ^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:34:17
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 34 |                 high = 0x00;
Dec 14 10:53:02.827 INFO [stderr]    |                 ^^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:35:17
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 35 |                 low = 0xEE;
Dec 14 10:53:02.827 INFO [stderr]    |                 ^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:41:17
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 41 |                 high = (0x3 << 4) | get_register_number(register_token);
Dec 14 10:53:02.827 INFO [stderr]    |                 ^^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:44:21
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 44 |                     low = get_register_number(tokens[i]) << 4;
Dec 14 10:53:02.827 INFO [stderr]    |                     ^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:46:21
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 46 |                     low = u8::from_str_radix(tokens[i], 16).unwrap();
Dec 14 10:53:02.827 INFO [stderr]    |                     ^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `high` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:58:19
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 58 |             _ => {high = 0x00;
Dec 14 10:53:02.827 INFO [stderr]    |                   ^^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: value assigned to `low` is never read
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:59:17
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 59 |                 low = 0xE0;}//panic!("Unrecognised token."),
Dec 14 10:53:02.827 INFO [stderr]    |                 ^^^
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: unused variable: `operand`
Dec 14 10:53:02.827 INFO [stderr]   --> src/assembler/mod.rs:70:34
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 14 10:53:02.827 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_operand` instead
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: unused variable: `now`
Dec 14 10:53:02.827 INFO [stderr]   --> src/main.rs:24:13
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 14 10:53:02.827 INFO [stderr]    |             ^^^ help: consider using `_now` instead
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: variable `cycle_count` is assigned to, but never used
Dec 14 10:53:02.827 INFO [stderr]   --> src/main.rs:25:13
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr] 25 |     let mut cycle_count = 0;
Dec 14 10:53:02.827 INFO [stderr]    |             ^^^^^^^^^^^
Dec 14 10:53:02.827 INFO [stderr]    |
Dec 14 10:53:02.827 INFO [stderr]    = note: consider using `_cycle_count` instead
Dec 14 10:53:02.827 INFO [stderr] 
Dec 14 10:53:02.827 INFO [stderr] warning: unused variable: `high_byte`
Dec 14 10:53:02.827 INFO [stderr]    --> src/chip8/mod.rs:145:13
Dec 14 10:53:02.828 INFO [stderr]     |
Dec 14 10:53:02.828 INFO [stderr] 145 |         let high_byte = opcode.high_byte;
Dec 14 10:53:02.828 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 14 10:53:02.828 INFO [stderr] 
Dec 14 10:53:02.828 INFO [stderr] warning: unused variable: `high_byte`
Dec 14 10:53:02.828 INFO [stderr]    --> src/chip8/mod.rs:442:13
Dec 14 10:53:02.828 INFO [stderr]     |
Dec 14 10:53:02.828 INFO [stderr] 442 |         let high_byte = opcode.high_byte;
Dec 14 10:53:02.828 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_high_byte` instead
Dec 14 10:53:02.828 INFO [stderr] 
Dec 14 10:53:02.843 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:53:02.843 INFO [stderr]   --> src/main.rs:24:9
Dec 14 10:53:02.843 INFO [stderr]    |
Dec 14 10:53:02.843 INFO [stderr] 24 |     let mut now = Instant::now();
Dec 14 10:53:02.843 INFO [stderr]    |         ----^^^
Dec 14 10:53:02.843 INFO [stderr]    |         |
Dec 14 10:53:02.843 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:53:02.843 INFO [stderr]    |
Dec 14 10:53:02.843 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 10:53:02.843 INFO [stderr] 
Dec 14 10:53:02.851 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:53:02.851 INFO [stderr]  --> src/assembler/mod.rs:5:9
Dec 14 10:53:02.851 INFO [stderr]   |
Dec 14 10:53:02.851 INFO [stderr] 5 |     let mut assembled_program: Vec<u8> = Vec::new();
Dec 14 10:53:02.851 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.851 INFO [stderr]   |         |
Dec 14 10:53:02.851 INFO [stderr]   |         help: remove this `mut`
Dec 14 10:53:02.851 INFO [stderr] 
Dec 14 10:53:02.851 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:53:02.851 INFO [stderr]   --> src/assembler/mod.rs:10:13
Dec 14 10:53:02.851 INFO [stderr]    |
Dec 14 10:53:02.851 INFO [stderr] 10 |         let mut high: u8;
Dec 14 10:53:02.851 INFO [stderr]    |             ----^^^^
Dec 14 10:53:02.851 INFO [stderr]    |             |
Dec 14 10:53:02.851 INFO [stderr]    |             help: remove this `mut`
Dec 14 10:53:02.851 INFO [stderr] 
Dec 14 10:53:02.851 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:53:02.851 INFO [stderr]   --> src/assembler/mod.rs:11:13
Dec 14 10:53:02.851 INFO [stderr]    |
Dec 14 10:53:02.851 INFO [stderr] 11 |         let mut low: u8;
Dec 14 10:53:02.851 INFO [stderr]    |             ----^^^
Dec 14 10:53:02.851 INFO [stderr]    |             |
Dec 14 10:53:02.851 INFO [stderr]    |             help: remove this `mut`
Dec 14 10:53:02.851 INFO [stderr] 
Dec 14 10:53:02.895 INFO [stderr] warning: function is never used: `test`
Dec 14 10:53:02.895 INFO [stderr]  --> src/assembler/tests.rs:4:1
Dec 14 10:53:02.895 INFO [stderr]   |
Dec 14 10:53:02.895 INFO [stderr] 4 | pub fn test() {
Dec 14 10:53:02.895 INFO [stderr]   | ^^^^^^^^^^^^^
Dec 14 10:53:02.895 INFO [stderr]   |
Dec 14 10:53:02.896 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 10:53:02.896 INFO [stderr] 
Dec 14 10:53:02.896 INFO [stderr] warning: function is never used: `assemble`
Dec 14 10:53:02.896 INFO [stderr]  --> src/assembler/mod.rs:4:1
Dec 14 10:53:02.897 INFO [stderr]   |
Dec 14 10:53:02.897 INFO [stderr] 4 | pub fn assemble(program: String) -> Vec<u8> {
Dec 14 10:53:02.897 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.897 INFO [stderr] 
Dec 14 10:53:02.898 INFO [stderr] warning: function is never used: `assemble_opcode`
Dec 14 10:53:02.898 INFO [stderr]   --> src/assembler/mod.rs:70:1
Dec 14 10:53:02.898 INFO [stderr]    |
Dec 14 10:53:02.898 INFO [stderr] 70 | fn assemble_opcode(opcode: &str, operand: &str) -> (u8, u8) {
Dec 14 10:53:02.898 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.898 INFO [stderr] 
Dec 14 10:53:02.898 INFO [stderr] warning: function is never used: `get_register_number`
Dec 14 10:53:02.898 INFO [stderr]   --> src/assembler/mod.rs:80:1
Dec 14 10:53:02.898 INFO [stderr]    |
Dec 14 10:53:02.898 INFO [stderr] 80 | fn get_register_number(token: &str) -> u8 {
Dec 14 10:53:02.898 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.898 INFO [stderr] 
Dec 14 10:53:02.898 INFO [stderr] warning: method is never used: `print_display`
Dec 14 10:53:02.898 INFO [stderr]   --> src/chip8/mod.rs:92:5
Dec 14 10:53:02.898 INFO [stderr]    |
Dec 14 10:53:02.898 INFO [stderr] 92 |     pub fn print_display(&self) {
Dec 14 10:53:02.898 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.898 INFO [stderr] 
Dec 14 10:53:02.898 INFO [stderr] warning: method is never used: `high_nibble_from_byte`
Dec 14 10:53:02.898 INFO [stderr]    --> src/chip8/mod.rs:402:5
Dec 14 10:53:02.898 INFO [stderr]     |
Dec 14 10:53:02.898 INFO [stderr] 402 |     fn high_nibble_from_byte(byte: u8) -> u8 {
Dec 14 10:53:02.898 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.898 INFO [stderr] 
Dec 14 10:53:02.898 INFO [stderr] warning: method is never used: `low_nibble_from_byte`
Dec 14 10:53:02.898 INFO [stderr]    --> src/chip8/mod.rs:406:5
Dec 14 10:53:02.898 INFO [stderr]     |
Dec 14 10:53:02.898 INFO [stderr] 406 |     fn low_nibble_from_byte(byte: u8) -> u8 {
Dec 14 10:53:02.898 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.898 INFO [stderr] 
Dec 14 10:53:02.898 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 14 10:53:02.898 INFO [stderr]   --> src/chip8/mod.rs:20:5
Dec 14 10:53:02.898 INFO [stderr]    |
Dec 14 10:53:02.898 INFO [stderr] 20 |     pub V: [u8; 16],
Dec 14 10:53:02.898 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 10:53:02.898 INFO [stderr]    |
Dec 14 10:53:02.898 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 10:53:02.898 INFO [stderr] 
Dec 14 10:53:02.898 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 14 10:53:02.898 INFO [stderr]   --> src/chip8/mod.rs:21:5
Dec 14 10:53:02.899 INFO [stderr]    |
Dec 14 10:53:02.899 INFO [stderr] 21 |     pub I: u16,
Dec 14 10:53:02.899 INFO [stderr]    |     ^^^^^^^^^^
Dec 14 10:53:02.899 INFO [stderr] 
Dec 14 10:53:02.899 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 10:53:02.899 INFO [stderr]   --> src/main.rs:31:13
Dec 14 10:53:02.899 INFO [stderr]    |
Dec 14 10:53:02.903 INFO [stderr] 31 |             io::stdin().read_line(&mut input);
Dec 14 10:53:02.903 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:53:02.903 INFO [stderr]    |
Dec 14 10:53:02.903 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 10:53:02.903 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 10:53:02.903 INFO [stderr] 
Dec 14 10:53:04.811 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.98s
Dec 14 10:53:04.827 INFO [stderr] su: No module specific data is present
Dec 14 10:53:05.902 INFO running `"docker" "inspect" "c4c2852d28e0a62b533dbf4d87d7a92e86401eebf50e6ab112cc4d881c5123a7"`
Dec 14 10:53:06.233 INFO running `"docker" "rm" "-f" "c4c2852d28e0a62b533dbf4d87d7a92e86401eebf50e6ab112cc4d881c5123a7"`
Dec 14 10:53:06.542 INFO [stdout] c4c2852d28e0a62b533dbf4d87d7a92e86401eebf50e6ab112cc4d881c5123a7
Dec 14 10:53:06.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 10:53:07.080 INFO [stdout] c17ba31d42f70f21f2fa2d19e9a312c5827b45d4cb0f975b990481a3df992d9c
Dec 14 10:53:07.083 INFO running `"docker" "start" "-a" "c17ba31d42f70f21f2fa2d19e9a312c5827b45d4cb0f975b990481a3df992d9c"`
Dec 14 10:53:08.537 INFO [stderr] usermod: no changes
Dec 14 10:53:08.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
Dec 14 10:53:08.799 INFO [stderr]      Running /target/debug/deps/emu-1561f1d9eaa1fb58
Dec 14 10:53:08.810 INFO [stdout] 
Dec 14 10:53:08.811 INFO [stdout] running 2 tests
Dec 14 10:53:08.811 INFO [stdout] test chip8::tests::test_call ... ok
Dec 14 10:53:08.814 INFO [stdout] test chip8::tests::test_call_and_return ... ok
Dec 14 10:53:08.815 INFO [stdout] 
Dec 14 10:53:08.815 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 10:53:08.815 INFO [stdout] 
Dec 14 10:53:08.823 INFO [stderr] su: No module specific data is present
Dec 14 10:53:09.947 INFO running `"docker" "inspect" "c17ba31d42f70f21f2fa2d19e9a312c5827b45d4cb0f975b990481a3df992d9c"`
Dec 14 10:53:10.199 INFO running `"docker" "rm" "-f" "c17ba31d42f70f21f2fa2d19e9a312c5827b45d4cb0f975b990481a3df992d9c"`
Dec 14 10:53:10.579 INFO [stdout] c17ba31d42f70f21f2fa2d19e9a312c5827b45d4cb0f975b990481a3df992d9c