Dec 19 17:19:39.172 INFO checking eribau/chip8emu against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:19:39.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/eribau/chip8emu:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:19:39.694 INFO [stdout] 58b428293385e1da7263fd38a6f26fc9ab1305d485f13874bb254c006d36edba
Dec 19 17:19:39.696 INFO running `"docker" "start" "-a" "58b428293385e1da7263fd38a6f26fc9ab1305d485f13874bb254c006d36edba"`
Dec 19 17:19:42.231 INFO [stderr]     Checking chip8emu v0.1.0 (/opt/crater/workdir)
Dec 19 17:19:42.770 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:47:13
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 47 |         let mut file = match File::open(&path) {
Dec 19 17:19:42.771 INFO [stderr]    |             ----^^^^
Dec 19 17:19:42.771 INFO [stderr]    |             |
Dec 19 17:19:42.771 INFO [stderr]    |             help: remove this `mut`
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `opcode`
Dec 19 17:19:42.771 INFO [stderr]  --> src/lib.rs:7:5
Dec 19 17:19:42.771 INFO [stderr]   |
Dec 19 17:19:42.771 INFO [stderr] 7 |     opcode: u8,                     // opcode
Dec 19 17:19:42.771 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr]   |
Dec 19 17:19:42.771 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `V`
Dec 19 17:19:42.771 INFO [stderr]  --> src/lib.rs:9:5
Dec 19 17:19:42.771 INFO [stderr]   |
Dec 19 17:19:42.771 INFO [stderr] 9 |     V: [u8; 16],                    // Registers V0 to VE plus carry flag
Dec 19 17:19:42.771 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `I`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:10:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 10 |     I: u16,                         // Index register
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `pc`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:11:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 11 |     pc: u16,                        // Program counter
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `gfx`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:12:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 12 |     gfx: [u8; 2048],                // Graphics, size 64x32
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `delay_timer`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:13:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 13 |     delay_timer: u8,                // timers
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `sound_timer`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:14:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 14 |     sound_timer: u8,
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `stack`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:15:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 15 |     stack: [u16; 16],               // Stack
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `sp`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:16:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 16 |     sp: u16,                        // Stack pointer
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: field is never used: `key`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:17:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 17 |     key: [u8; 16],                  // Keyboard
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 19 17:19:42.771 INFO [stderr]  --> src/lib.rs:9:5
Dec 19 17:19:42.771 INFO [stderr]   |
Dec 19 17:19:42.771 INFO [stderr] 9 |     V: [u8; 16],                    // Registers V0 to VE plus carry flag
Dec 19 17:19:42.771 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 17:19:42.771 INFO [stderr]   |
Dec 19 17:19:42.771 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.771 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 19 17:19:42.771 INFO [stderr]   --> src/lib.rs:10:5
Dec 19 17:19:42.771 INFO [stderr]    |
Dec 19 17:19:42.771 INFO [stderr] 10 |     I: u16,                         // Index register
Dec 19 17:19:42.771 INFO [stderr]    |     ^^^^^^
Dec 19 17:19:42.771 INFO [stderr] 
Dec 19 17:19:42.772 INFO [stderr] warning: method `loadGame` should have a snake case name such as `load_game`
Dec 19 17:19:42.772 INFO [stderr]   --> src/lib.rs:44:5
Dec 19 17:19:42.772 INFO [stderr]    |
Dec 19 17:19:42.772 INFO [stderr] 44 | /     pub fn loadGame(&mut self, filename: String) {
Dec 19 17:19:42.772 INFO [stderr] 45 | |         let path = Path::new(&filename);
Dec 19 17:19:42.772 INFO [stderr] 46 | |         let display = path.display();
Dec 19 17:19:42.772 INFO [stderr] 47 | |         let mut file = match File::open(&path) {
Dec 19 17:19:42.772 INFO [stderr] ...  |
Dec 19 17:19:42.772 INFO [stderr] 56 | |         }
Dec 19 17:19:42.772 INFO [stderr] 57 | |     }
Dec 19 17:19:42.772 INFO [stderr]    | |_____^
Dec 19 17:19:42.772 INFO [stderr] 
Dec 19 17:19:42.772 INFO [stderr] warning: method `printMemoryLoc` should have a snake case name such as `print_memory_loc`
Dec 19 17:19:42.772 INFO [stderr]   --> src/lib.rs:59:5
Dec 19 17:19:42.772 INFO [stderr]    |
Dec 19 17:19:42.772 INFO [stderr] 59 | /     pub fn printMemoryLoc(&self, location: usize) {
Dec 19 17:19:42.772 INFO [stderr] 60 | |         println!("{:x}", self.memory[location]);
Dec 19 17:19:42.772 INFO [stderr] 61 | |     }
Dec 19 17:19:42.772 INFO [stderr]    | |_____^
Dec 19 17:19:42.772 INFO [stderr] 
Dec 19 17:19:42.772 INFO [stderr] warning: type `Chip8_fontset` should have a camel case name such as `Chip8Fontset`
Dec 19 17:19:42.772 INFO [stderr]   --> src/lib.rs:64:1
Dec 19 17:19:42.772 INFO [stderr]    |
Dec 19 17:19:42.772 INFO [stderr] 64 | / struct Chip8_fontset {
Dec 19 17:19:42.772 INFO [stderr] 65 | |     fontset: [u8; 80],            // Fontset
Dec 19 17:19:42.772 INFO [stderr] 66 | | }
Dec 19 17:19:42.772 INFO [stderr]    | |_^
Dec 19 17:19:42.772 INFO [stderr]    |
Dec 19 17:19:42.772 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 17:19:42.772 INFO [stderr] 
Dec 19 17:19:42.800 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:19:42.800 INFO [stderr]   --> src/lib.rs:47:13
Dec 19 17:19:42.800 INFO [stderr]    |
Dec 19 17:19:42.800 INFO [stderr] 47 |         let mut file = match File::open(&path) {
Dec 19 17:19:42.800 INFO [stderr]    |             ----^^^^
Dec 19 17:19:42.800 INFO [stderr]    |             |
Dec 19 17:19:42.800 INFO [stderr]    |             help: remove this `mut`
Dec 19 17:19:42.800 INFO [stderr]    |
Dec 19 17:19:42.808 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:19:42.808 INFO [stderr] 
Dec 19 17:19:42.810 INFO [stderr] warning: field is never used: `opcode`
Dec 19 17:19:42.810 INFO [stderr]  --> src/lib.rs:7:5
Dec 19 17:19:42.810 INFO [stderr]   |
Dec 19 17:19:42.810 INFO [stderr] 7 |     opcode: u8,                     // opcode
Dec 19 17:19:42.810 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 17:19:42.810 INFO [stderr]   |
Dec 19 17:19:42.810 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:19:42.811 INFO [stderr] 
Dec 19 17:19:42.811 INFO [stderr] warning: field is never used: `V`
Dec 19 17:19:42.811 INFO [stderr]  --> src/lib.rs:9:5
Dec 19 17:19:42.811 INFO [stderr]   |
Dec 19 17:19:42.811 INFO [stderr] 9 |     V: [u8; 16],                    // Registers V0 to VE plus carry flag
Dec 19 17:19:42.811 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 17:19:42.812 INFO [stderr] 
Dec 19 17:19:42.812 INFO [stderr] warning: field is never used: `I`
Dec 19 17:19:42.812 INFO [stderr]   --> src/lib.rs:10:5
Dec 19 17:19:42.812 INFO [stderr]    |
Dec 19 17:19:42.813 INFO [stderr] 10 |     I: u16,                         // Index register
Dec 19 17:19:42.813 INFO [stderr]    |     ^^^^^^
Dec 19 17:19:42.813 INFO [stderr] 
Dec 19 17:19:42.828 INFO [stderr] warning: field is never used: `pc`
Dec 19 17:19:42.828 INFO [stderr]   --> src/lib.rs:11:5
Dec 19 17:19:42.829 INFO [stderr]    |
Dec 19 17:19:42.829 INFO [stderr] 11 |     pc: u16,                        // Program counter
Dec 19 17:19:42.829 INFO [stderr]    |     ^^^^^^^
Dec 19 17:19:42.829 INFO [stderr] 
Dec 19 17:19:42.829 INFO [stderr] warning: field is never used: `gfx`
Dec 19 17:19:42.829 INFO [stderr]   --> src/lib.rs:12:5
Dec 19 17:19:42.830 INFO [stderr]    |
Dec 19 17:19:42.830 INFO [stderr] 12 |     gfx: [u8; 2048],                // Graphics, size 64x32
Dec 19 17:19:42.830 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 17:19:42.830 INFO [stderr] 
Dec 19 17:19:42.830 INFO [stderr] warning: field is never used: `delay_timer`
Dec 19 17:19:42.830 INFO [stderr]   --> src/lib.rs:13:5
Dec 19 17:19:42.831 INFO [stderr]    |
Dec 19 17:19:42.831 INFO [stderr] 13 |     delay_timer: u8,                // timers
Dec 19 17:19:42.831 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 17:19:42.831 INFO [stderr] 
Dec 19 17:19:42.831 INFO [stderr] warning: field is never used: `sound_timer`
Dec 19 17:19:42.832 INFO [stderr]   --> src/lib.rs:14:5
Dec 19 17:19:42.832 INFO [stderr]    |
Dec 19 17:19:42.832 INFO [stderr] 14 |     sound_timer: u8,
Dec 19 17:19:42.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 17:19:42.832 INFO [stderr] 
Dec 19 17:19:42.832 INFO [stderr] warning: field is never used: `stack`
Dec 19 17:19:42.833 INFO [stderr]   --> src/lib.rs:15:5
Dec 19 17:19:42.833 INFO [stderr]    |
Dec 19 17:19:42.833 INFO [stderr] 15 |     stack: [u16; 16],               // Stack
Dec 19 17:19:42.833 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 17:19:42.833 INFO [stderr] 
Dec 19 17:19:42.833 INFO [stderr] warning: field is never used: `sp`
Dec 19 17:19:42.834 INFO [stderr]   --> src/lib.rs:16:5
Dec 19 17:19:42.834 INFO [stderr]    |
Dec 19 17:19:42.834 INFO [stderr] 16 |     sp: u16,                        // Stack pointer
Dec 19 17:19:42.834 INFO [stderr]    |     ^^^^^^^
Dec 19 17:19:42.834 INFO [stderr] 
Dec 19 17:19:42.834 INFO [stderr] warning: field is never used: `key`
Dec 19 17:19:42.835 INFO [stderr]   --> src/lib.rs:17:5
Dec 19 17:19:42.835 INFO [stderr]    |
Dec 19 17:19:42.835 INFO [stderr] 17 |     key: [u8; 16],                  // Keyboard
Dec 19 17:19:42.835 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 17:19:42.835 INFO [stderr] 
Dec 19 17:19:42.836 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 19 17:19:42.836 INFO [stderr]  --> src/lib.rs:9:5
Dec 19 17:19:42.836 INFO [stderr]   |
Dec 19 17:19:42.836 INFO [stderr] 9 |     V: [u8; 16],                    // Registers V0 to VE plus carry flag
Dec 19 17:19:42.836 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 17:19:42.837 INFO [stderr]   |
Dec 19 17:19:42.837 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 17:19:42.837 INFO [stderr] 
Dec 19 17:19:42.837 INFO [stderr] warning: structure field `I` should have a snake case name such as `i`
Dec 19 17:19:42.837 INFO [stderr]   --> src/lib.rs:10:5
Dec 19 17:19:42.837 INFO [stderr]    |
Dec 19 17:19:42.838 INFO [stderr] 10 |     I: u16,                         // Index register
Dec 19 17:19:42.838 INFO [stderr]    |     ^^^^^^
Dec 19 17:19:42.838 INFO [stderr] 
Dec 19 17:19:42.838 INFO [stderr] warning: method `loadGame` should have a snake case name such as `load_game`
Dec 19 17:19:42.838 INFO [stderr]   --> src/lib.rs:44:5
Dec 19 17:19:42.839 INFO [stderr]    |
Dec 19 17:19:42.839 INFO [stderr] 44 | /     pub fn loadGame(&mut self, filename: String) {
Dec 19 17:19:42.839 INFO [stderr] 45 | |         let path = Path::new(&filename);
Dec 19 17:19:42.839 INFO [stderr] 46 | |         let display = path.display();
Dec 19 17:19:42.839 INFO [stderr] 47 | |         let mut file = match File::open(&path) {
Dec 19 17:19:42.839 INFO [stderr] ...  |
Dec 19 17:19:42.839 INFO [stderr] 56 | |         }
Dec 19 17:19:42.839 INFO [stderr] 57 | |     }
Dec 19 17:19:42.839 INFO [stderr]    | |_____^
Dec 19 17:19:42.839 INFO [stderr] 
Dec 19 17:19:42.839 INFO [stderr] warning: method `printMemoryLoc` should have a snake case name such as `print_memory_loc`
Dec 19 17:19:42.839 INFO [stderr]   --> src/lib.rs:59:5
Dec 19 17:19:42.839 INFO [stderr]    |
Dec 19 17:19:42.839 INFO [stderr] 59 | /     pub fn printMemoryLoc(&self, location: usize) {
Dec 19 17:19:42.839 INFO [stderr] 60 | |         println!("{:x}", self.memory[location]);
Dec 19 17:19:42.839 INFO [stderr] 61 | |     }
Dec 19 17:19:42.839 INFO [stderr]    | |_____^
Dec 19 17:19:42.839 INFO [stderr] 
Dec 19 17:19:42.839 INFO [stderr] warning: type `Chip8_fontset` should have a camel case name such as `Chip8Fontset`
Dec 19 17:19:42.839 INFO [stderr]   --> src/lib.rs:64:1
Dec 19 17:19:42.839 INFO [stderr]    |
Dec 19 17:19:42.839 INFO [stderr] 64 | / struct Chip8_fontset {
Dec 19 17:19:42.839 INFO [stderr] 65 | |     fontset: [u8; 80],            // Fontset
Dec 19 17:19:42.839 INFO [stderr] 66 | | }
Dec 19 17:19:42.839 INFO [stderr]    | |_^
Dec 19 17:19:42.839 INFO [stderr]    |
Dec 19 17:19:42.839 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 17:19:42.839 INFO [stderr] 
Dec 19 17:19:43.379 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 19 17:19:44.775 INFO running `"docker" "inspect" "58b428293385e1da7263fd38a6f26fc9ab1305d485f13874bb254c006d36edba"`
Dec 19 17:19:45.090 INFO running `"docker" "rm" "-f" "58b428293385e1da7263fd38a6f26fc9ab1305d485f13874bb254c006d36edba"`
Dec 19 17:19:45.380 INFO [stdout] 58b428293385e1da7263fd38a6f26fc9ab1305d485f13874bb254c006d36edba