Dec 19 18:12:32.953 INFO checking dcastelltort/rusty-chip8 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:12:32.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/dcastelltort/rusty-chip8:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:12:33.474 INFO [stdout] a1b1eed7e61d0feb70387af10b2549aa2640c9111d5343ba0f7ac807e6ea2530
Dec 19 18:12:33.480 INFO running `"docker" "start" "-a" "a1b1eed7e61d0feb70387af10b2549aa2640c9111d5343ba0f7ac807e6ea2530"`
Dec 19 18:12:35.336 INFO [stderr]     Checking env_logger v0.5.10
Dec 19 18:12:35.336 INFO [stderr]     Checking rayon v0.9.0
Dec 19 18:12:35.336 INFO [stderr]     Checking structopt v0.2.8
Dec 19 18:12:39.047 INFO [stderr]     Checking quicli v0.2.0
Dec 19 18:12:39.832 INFO [stderr]     Checking rusty-chip8 v0.1.0 (/opt/crater/workdir)
Dec 19 18:12:40.168 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 18:12:40.168 INFO [stderr]  --> src/main.rs:4:1
Dec 19 18:12:40.168 INFO [stderr]   |
Dec 19 18:12:40.168 INFO [stderr] 4 | #[macro_use] extern crate failure;
Dec 19 18:12:40.168 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 18:12:40.168 INFO [stderr]   |
Dec 19 18:12:40.168 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:12:40.168 INFO [stderr] 
Dec 19 18:12:40.168 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:12:40.168 INFO [stderr]    --> src/cpu.rs:283:11
Dec 19 18:12:40.168 INFO [stderr]     |
Dec 19 18:12:40.168 INFO [stderr] 283 |         if(self.sound_timer > 0)
Dec 19 18:12:40.168 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:12:40.168 INFO [stderr]     |
Dec 19 18:12:40.168 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 18:12:40.168 INFO [stderr] 
Dec 19 18:12:40.212 INFO [stderr] warning: unreachable statement
Dec 19 18:12:40.212 INFO [stderr]    --> src/cpu.rs:127:9
Dec 19 18:12:40.212 INFO [stderr]     |
Dec 19 18:12:40.212 INFO [stderr] 127 |         unimplemented!();
Dec 19 18:12:40.212 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.212 INFO [stderr]     |
Dec 19 18:12:40.212 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 19 18:12:40.212 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 18:12:40.212 INFO [stderr] 
Dec 19 18:12:40.228 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 18:12:40.228 INFO [stderr]  --> src/main.rs:4:1
Dec 19 18:12:40.228 INFO [stderr]   |
Dec 19 18:12:40.228 INFO [stderr] 4 | #[macro_use] extern crate failure;
Dec 19 18:12:40.228 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 18:12:40.228 INFO [stderr]   |
Dec 19 18:12:40.228 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:12:40.228 INFO [stderr] 
Dec 19 18:12:40.228 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:12:40.228 INFO [stderr]    --> src/cpu.rs:283:11
Dec 19 18:12:40.228 INFO [stderr]     |
Dec 19 18:12:40.228 INFO [stderr] 283 |         if(self.sound_timer > 0)
Dec 19 18:12:40.228 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:12:40.228 INFO [stderr]     |
Dec 19 18:12:40.228 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 18:12:40.228 INFO [stderr] 
Dec 19 18:12:40.256 INFO [stderr] warning: unreachable statement
Dec 19 18:12:40.256 INFO [stderr]    --> src/cpu.rs:127:9
Dec 19 18:12:40.256 INFO [stderr]     |
Dec 19 18:12:40.256 INFO [stderr] 127 |         unimplemented!();
Dec 19 18:12:40.256 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.256 INFO [stderr]     |
Dec 19 18:12:40.256 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 19 18:12:40.256 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 18:12:40.256 INFO [stderr] 
Dec 19 18:12:40.264 INFO [stderr] warning: unreachable expression
Dec 19 18:12:40.264 INFO [stderr]    --> src/cpu.rs:298:9
Dec 19 18:12:40.264 INFO [stderr]     |
Dec 19 18:12:40.264 INFO [stderr] 298 |         Ok(())
Dec 19 18:12:40.264 INFO [stderr]     |         ^^^^^^
Dec 19 18:12:40.264 INFO [stderr] 
Dec 19 18:12:40.264 INFO [stderr] warning: unreachable expression
Dec 19 18:12:40.264 INFO [stderr]    --> src/cpu.rs:318:9
Dec 19 18:12:40.264 INFO [stderr]     |
Dec 19 18:12:40.264 INFO [stderr] 318 |         Ok(())
Dec 19 18:12:40.264 INFO [stderr]     |         ^^^^^^
Dec 19 18:12:40.264 INFO [stderr] 
Dec 19 18:12:40.276 INFO [stderr] warning: field is never used: `gfx`
Dec 19 18:12:40.276 INFO [stderr]   --> src/cpu.rs:62:5
Dec 19 18:12:40.276 INFO [stderr]    |
Dec 19 18:12:40.276 INFO [stderr] 62 |     gfx : [u8; GFX_MEMORY_MAX],
Dec 19 18:12:40.276 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.276 INFO [stderr]    |
Dec 19 18:12:40.276 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:12:40.276 INFO [stderr] 
Dec 19 18:12:40.276 INFO [stderr] warning: field is never used: `keypad`
Dec 19 18:12:40.276 INFO [stderr]   --> src/cpu.rs:86:5
Dec 19 18:12:40.276 INFO [stderr]    |
Dec 19 18:12:40.276 INFO [stderr] 86 |     keypad : [u8;KEYPAD_MAX]
Dec 19 18:12:40.276 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.276 INFO [stderr] 
Dec 19 18:12:40.276 INFO [stderr] warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 18:12:40.276 INFO [stderr]  --> src/main.rs:2:12
Dec 19 18:12:40.276 INFO [stderr]   |
Dec 19 18:12:40.276 INFO [stderr] 2 | #![feature(fs_read_write)] //TO REMOVE with ugraded nightly or stable
Dec 19 18:12:40.276 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 19 18:12:40.276 INFO [stderr]   |
Dec 19 18:12:40.276 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 18:12:40.276 INFO [stderr] 
Dec 19 18:12:40.277 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 19 18:12:40.277 INFO [stderr]   --> src/cpu.rs:48:5
Dec 19 18:12:40.277 INFO [stderr]    |
Dec 19 18:12:40.277 INFO [stderr] 48 |     V: [u8; REGISTERS_MAX],
Dec 19 18:12:40.277 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.277 INFO [stderr]    |
Dec 19 18:12:40.277 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 18:12:40.277 INFO [stderr] 
Dec 19 18:12:40.283 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:40.283 INFO [stderr]   --> src/main.rs:14:5
Dec 19 18:12:40.283 INFO [stderr]    |
Dec 19 18:12:40.283 INFO [stderr] 14 |     emulator.boot("placeholderfileame.rom");
Dec 19 18:12:40.283 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.283 INFO [stderr]    |
Dec 19 18:12:40.283 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:12:40.283 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:40.283 INFO [stderr] 
Dec 19 18:12:40.284 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:40.284 INFO [stderr]   --> src/main.rs:15:5
Dec 19 18:12:40.284 INFO [stderr]    |
Dec 19 18:12:40.284 INFO [stderr] 15 |     emulator.run();
Dec 19 18:12:40.284 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 18:12:40.284 INFO [stderr]    |
Dec 19 18:12:40.284 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:40.284 INFO [stderr] 
Dec 19 18:12:40.292 INFO [stderr] warning: unreachable expression
Dec 19 18:12:40.292 INFO [stderr]    --> src/cpu.rs:298:9
Dec 19 18:12:40.292 INFO [stderr]     |
Dec 19 18:12:40.292 INFO [stderr] 298 |         Ok(())
Dec 19 18:12:40.292 INFO [stderr]     |         ^^^^^^
Dec 19 18:12:40.292 INFO [stderr] 
Dec 19 18:12:40.292 INFO [stderr] warning: unreachable expression
Dec 19 18:12:40.292 INFO [stderr]    --> src/cpu.rs:318:9
Dec 19 18:12:40.292 INFO [stderr]     |
Dec 19 18:12:40.292 INFO [stderr] 318 |         Ok(())
Dec 19 18:12:40.292 INFO [stderr]     |         ^^^^^^
Dec 19 18:12:40.292 INFO [stderr] 
Dec 19 18:12:40.312 INFO [stderr] warning: field is never used: `gfx`
Dec 19 18:12:40.312 INFO [stderr]   --> src/cpu.rs:62:5
Dec 19 18:12:40.312 INFO [stderr]    |
Dec 19 18:12:40.312 INFO [stderr] 62 |     gfx : [u8; GFX_MEMORY_MAX],
Dec 19 18:12:40.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.312 INFO [stderr]    |
Dec 19 18:12:40.312 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:12:40.312 INFO [stderr] 
Dec 19 18:12:40.312 INFO [stderr] warning: field is never used: `keypad`
Dec 19 18:12:40.312 INFO [stderr]   --> src/cpu.rs:86:5
Dec 19 18:12:40.312 INFO [stderr]    |
Dec 19 18:12:40.312 INFO [stderr] 86 |     keypad : [u8;KEYPAD_MAX]
Dec 19 18:12:40.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.312 INFO [stderr] 
Dec 19 18:12:40.312 INFO [stderr] warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 18:12:40.312 INFO [stderr]  --> src/main.rs:2:12
Dec 19 18:12:40.312 INFO [stderr]   |
Dec 19 18:12:40.312 INFO [stderr] 2 | #![feature(fs_read_write)] //TO REMOVE with ugraded nightly or stable
Dec 19 18:12:40.312 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 19 18:12:40.312 INFO [stderr]   |
Dec 19 18:12:40.312 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 18:12:40.312 INFO [stderr] 
Dec 19 18:12:40.312 INFO [stderr] warning: structure field `V` should have a snake case name such as `v`
Dec 19 18:12:40.312 INFO [stderr]   --> src/cpu.rs:48:5
Dec 19 18:12:40.312 INFO [stderr]    |
Dec 19 18:12:40.312 INFO [stderr] 48 |     V: [u8; REGISTERS_MAX],
Dec 19 18:12:40.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.312 INFO [stderr]    |
Dec 19 18:12:40.312 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 18:12:40.312 INFO [stderr] 
Dec 19 18:12:40.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:40.324 INFO [stderr]   --> src/main.rs:14:5
Dec 19 18:12:40.324 INFO [stderr]    |
Dec 19 18:12:40.324 INFO [stderr] 14 |     emulator.boot("placeholderfileame.rom");
Dec 19 18:12:40.324 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:12:40.324 INFO [stderr]    |
Dec 19 18:12:40.324 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 18:12:40.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:40.324 INFO [stderr] 
Dec 19 18:12:40.324 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 18:12:40.324 INFO [stderr]   --> src/main.rs:15:5
Dec 19 18:12:40.324 INFO [stderr]    |
Dec 19 18:12:40.324 INFO [stderr] 15 |     emulator.run();
Dec 19 18:12:40.324 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 18:12:40.324 INFO [stderr]    |
Dec 19 18:12:40.324 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 18:12:40.324 INFO [stderr] 
Dec 19 18:12:40.379 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
Dec 19 18:12:41.052 INFO running `"docker" "inspect" "a1b1eed7e61d0feb70387af10b2549aa2640c9111d5343ba0f7ac807e6ea2530"`
Dec 19 18:12:41.362 INFO running `"docker" "rm" "-f" "a1b1eed7e61d0feb70387af10b2549aa2640c9111d5343ba0f7ac807e6ea2530"`
Dec 19 18:12:41.661 INFO [stdout] a1b1eed7e61d0feb70387af10b2549aa2640c9111d5343ba0f7ac807e6ea2530