Dec 18 00:29:06.668 INFO checking evantypanski/gremulator against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:29:06.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/evantypanski/gremulator:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:29:07.084 INFO [stdout] 983b83d18aa003be2c6f9e1d68a1c860449d6751f3ccaee19dd956645645f59e
Dec 18 00:29:07.093 INFO running `"docker" "start" "-a" "983b83d18aa003be2c6f9e1d68a1c860449d6751f3ccaee19dd956645645f59e"`
Dec 18 00:29:08.960 INFO [stderr]     Checking gremulator v0.1.0 (/opt/crater/workdir)
Dec 18 00:29:09.344 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 00:29:09.344 INFO [stderr]   --> src/register.rs:57:12
Dec 18 00:29:09.344 INFO [stderr]    |
Dec 18 00:29:09.344 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 18 00:29:09.344 INFO [stderr]    |            ^^^^^ help: remove these parentheses
Dec 18 00:29:09.344 INFO [stderr]    |
Dec 18 00:29:09.344 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 00:29:09.344 INFO [stderr] 
Dec 18 00:29:09.344 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 00:29:09.344 INFO [stderr]   --> src/register.rs:57:30
Dec 18 00:29:09.344 INFO [stderr]    |
Dec 18 00:29:09.344 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 18 00:29:09.344 INFO [stderr]    |                              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:29:09.344 INFO [stderr] 
Dec 18 00:29:09.344 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 00:29:09.344 INFO [stderr]   --> src/register.rs:57:12
Dec 18 00:29:09.344 INFO [stderr]    |
Dec 18 00:29:09.344 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 18 00:29:09.344 INFO [stderr]    |            ^^^^^ help: remove these parentheses
Dec 18 00:29:09.344 INFO [stderr]    |
Dec 18 00:29:09.344 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 00:29:09.344 INFO [stderr] 
Dec 18 00:29:09.344 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 00:29:09.344 INFO [stderr]   --> src/register.rs:57:30
Dec 18 00:29:09.344 INFO [stderr]    |
Dec 18 00:29:09.344 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 18 00:29:09.344 INFO [stderr]    |                              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:29:09.344 INFO [stderr] 
Dec 18 00:29:09.400 INFO [stderr] warning: unused variable: `other`
Dec 18 00:29:09.400 INFO [stderr]    --> src/cpu.rs:204:13
Dec 18 00:29:09.400 INFO [stderr]     |
Dec 18 00:29:09.400 INFO [stderr] 204 |             other => panic!("Instruction not implemented!"),
Dec 18 00:29:09.400 INFO [stderr]     |             ^^^^^ help: consider using `_other` instead
Dec 18 00:29:09.400 INFO [stderr]     |
Dec 18 00:29:09.400 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 00:29:09.400 INFO [stderr] 
Dec 18 00:29:09.420 INFO [stderr] warning: field is never used: `halted`
Dec 18 00:29:09.420 INFO [stderr]  --> src/cpu.rs:4:5
Dec 18 00:29:09.420 INFO [stderr]   |
Dec 18 00:29:09.420 INFO [stderr] 4 |     halted:     bool,
Dec 18 00:29:09.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 00:29:09.420 INFO [stderr]   |
Dec 18 00:29:09.420 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:29:09.420 INFO [stderr] 
Dec 18 00:29:09.420 INFO [stderr] warning: field is never used: `a`
Dec 18 00:29:09.420 INFO [stderr]  --> src/mmu.rs:2:5
Dec 18 00:29:09.420 INFO [stderr]   |
Dec 18 00:29:09.420 INFO [stderr] 2 |     a: u8,
Dec 18 00:29:09.420 INFO [stderr]   |     ^^^^^
Dec 18 00:29:09.420 INFO [stderr] 
Dec 18 00:29:09.420 INFO [stderr] warning: comparison is useless due to type limits
Dec 18 00:29:09.420 INFO [stderr]   --> src/cpu.rs:53:15
Dec 18 00:29:09.420 INFO [stderr]    |
Dec 18 00:29:09.420 INFO [stderr] 53 |         set = self.registers.a + val > 0xff;
Dec 18 00:29:09.420 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:29:09.420 INFO [stderr]    |
Dec 18 00:29:09.420 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 18 00:29:09.420 INFO [stderr] 
Dec 18 00:29:09.429 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:29:09.429 INFO [stderr]   --> src/mbc.rs:23:9
Dec 18 00:29:09.429 INFO [stderr]    |
Dec 18 00:29:09.429 INFO [stderr] 23 |         file.read_to_end(&mut contents);
Dec 18 00:29:09.429 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:29:09.429 INFO [stderr]    |
Dec 18 00:29:09.429 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:29:09.429 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:29:09.429 INFO [stderr] 
Dec 18 00:29:09.444 INFO [stderr] warning: unused variable: `other`
Dec 18 00:29:09.444 INFO [stderr]    --> src/cpu.rs:204:13
Dec 18 00:29:09.444 INFO [stderr]     |
Dec 18 00:29:09.444 INFO [stderr] 204 |             other => panic!("Instruction not implemented!"),
Dec 18 00:29:09.444 INFO [stderr]     |             ^^^^^ help: consider using `_other` instead
Dec 18 00:29:09.444 INFO [stderr]     |
Dec 18 00:29:09.444 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 00:29:09.444 INFO [stderr] 
Dec 18 00:29:09.454 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:29:09.454 INFO [stderr]    --> src/cpu.rs:215:13
Dec 18 00:29:09.454 INFO [stderr]     |
Dec 18 00:29:09.454 INFO [stderr] 215 |         let mut cpu = CPU::new();
Dec 18 00:29:09.454 INFO [stderr]     |             ----^^^
Dec 18 00:29:09.454 INFO [stderr]     |             |
Dec 18 00:29:09.454 INFO [stderr]     |             help: remove this `mut`
Dec 18 00:29:09.454 INFO [stderr]     |
Dec 18 00:29:09.454 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 00:29:09.454 INFO [stderr] 
Dec 18 00:29:09.466 INFO [stderr] warning: field is never used: `a`
Dec 18 00:29:09.466 INFO [stderr]  --> src/mmu.rs:2:5
Dec 18 00:29:09.466 INFO [stderr]   |
Dec 18 00:29:09.466 INFO [stderr] 2 |     a: u8,
Dec 18 00:29:09.466 INFO [stderr]   |     ^^^^^
Dec 18 00:29:09.466 INFO [stderr]   |
Dec 18 00:29:09.466 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:29:09.466 INFO [stderr] 
Dec 18 00:29:09.466 INFO [stderr] warning: comparison is useless due to type limits
Dec 18 00:29:09.466 INFO [stderr]   --> src/cpu.rs:53:15
Dec 18 00:29:09.466 INFO [stderr]    |
Dec 18 00:29:09.466 INFO [stderr] 53 |         set = self.registers.a + val > 0xff;
Dec 18 00:29:09.466 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:29:09.466 INFO [stderr]    |
Dec 18 00:29:09.466 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 18 00:29:09.466 INFO [stderr] 
Dec 18 00:29:09.478 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:29:09.478 INFO [stderr]   --> src/mbc.rs:23:9
Dec 18 00:29:09.478 INFO [stderr]    |
Dec 18 00:29:09.478 INFO [stderr] 23 |         file.read_to_end(&mut contents);
Dec 18 00:29:09.478 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:29:09.478 INFO [stderr]    |
Dec 18 00:29:09.478 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:29:09.478 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:29:09.478 INFO [stderr] 
Dec 18 00:29:09.806 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 18 00:29:10.580 INFO running `"docker" "inspect" "983b83d18aa003be2c6f9e1d68a1c860449d6751f3ccaee19dd956645645f59e"`
Dec 18 00:29:11.040 INFO running `"docker" "rm" "-f" "983b83d18aa003be2c6f9e1d68a1c860449d6751f3ccaee19dd956645645f59e"`
Dec 18 00:29:11.353 INFO [stdout] 983b83d18aa003be2c6f9e1d68a1c860449d6751f3ccaee19dd956645645f59e