Dec 19 17:11:02.088 INFO checking evantypanski/gremulator against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:11:02.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:11:02.632 INFO [stdout] 07ef3b1c61b4b456e75d2c203b4d3e78a6a27c25e41256b63f81f97ea667babd
Dec 19 17:11:02.632 INFO running `"docker" "start" "-a" "07ef3b1c61b4b456e75d2c203b4d3e78a6a27c25e41256b63f81f97ea667babd"`
Dec 19 17:11:04.248 INFO [stderr]     Checking gremulator v0.1.0 (/opt/crater/workdir)
Dec 19 17:11:04.465 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 17:11:04.465 INFO [stderr]   --> src/register.rs:57:12
Dec 19 17:11:04.465 INFO [stderr]    |
Dec 19 17:11:04.465 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 19 17:11:04.465 INFO [stderr]    |            ^^^^^ help: remove these parentheses
Dec 19 17:11:04.465 INFO [stderr]    |
Dec 19 17:11:04.465 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 17:11:04.465 INFO [stderr] 
Dec 19 17:11:04.465 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 17:11:04.465 INFO [stderr]   --> src/register.rs:57:30
Dec 19 17:11:04.465 INFO [stderr]    |
Dec 19 17:11:04.465 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 19 17:11:04.465 INFO [stderr]    |                              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:11:04.465 INFO [stderr] 
Dec 19 17:11:04.516 INFO [stderr] warning: unused variable: `other`
Dec 19 17:11:04.516 INFO [stderr]    --> src/cpu.rs:204:13
Dec 19 17:11:04.516 INFO [stderr]     |
Dec 19 17:11:04.516 INFO [stderr] 204 |             other => panic!("Instruction not implemented!"),
Dec 19 17:11:04.516 INFO [stderr]     |             ^^^^^ help: consider using `_other` instead
Dec 19 17:11:04.516 INFO [stderr]     |
Dec 19 17:11:04.516 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:11:04.516 INFO [stderr] 
Dec 19 17:11:04.528 INFO [stderr] warning: field is never used: `halted`
Dec 19 17:11:04.528 INFO [stderr]  --> src/cpu.rs:4:5
Dec 19 17:11:04.528 INFO [stderr]   |
Dec 19 17:11:04.528 INFO [stderr] 4 |     halted:     bool,
Dec 19 17:11:04.528 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 17:11:04.528 INFO [stderr]   |
Dec 19 17:11:04.528 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:11:04.528 INFO [stderr] 
Dec 19 17:11:04.528 INFO [stderr] warning: field is never used: `a`
Dec 19 17:11:04.528 INFO [stderr]  --> src/mmu.rs:2:5
Dec 19 17:11:04.528 INFO [stderr]   |
Dec 19 17:11:04.528 INFO [stderr] 2 |     a: u8,
Dec 19 17:11:04.528 INFO [stderr]   |     ^^^^^
Dec 19 17:11:04.528 INFO [stderr] 
Dec 19 17:11:04.528 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 17:11:04.534 INFO [stderr]   --> src/cpu.rs:53:15
Dec 19 17:11:04.534 INFO [stderr]    |
Dec 19 17:11:04.534 INFO [stderr] 53 |         set = self.registers.a + val > 0xff;
Dec 19 17:11:04.534 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:04.534 INFO [stderr]    |
Dec 19 17:11:04.534 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 19 17:11:04.534 INFO [stderr] 
Dec 19 17:11:04.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:04.556 INFO [stderr]   --> src/mbc.rs:23:9
Dec 19 17:11:04.556 INFO [stderr]    |
Dec 19 17:11:04.556 INFO [stderr] 23 |         file.read_to_end(&mut contents);
Dec 19 17:11:04.556 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:04.556 INFO [stderr]    |
Dec 19 17:11:04.556 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 17:11:04.556 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:04.556 INFO [stderr] 
Dec 19 17:11:04.612 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 17:11:04.612 INFO [stderr]   --> src/register.rs:57:12
Dec 19 17:11:04.612 INFO [stderr]    |
Dec 19 17:11:04.612 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 19 17:11:04.612 INFO [stderr]    |            ^^^^^ help: remove these parentheses
Dec 19 17:11:04.612 INFO [stderr]    |
Dec 19 17:11:04.612 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 17:11:04.612 INFO [stderr] 
Dec 19 17:11:04.612 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 17:11:04.612 INFO [stderr]   --> src/register.rs:57:30
Dec 19 17:11:04.612 INFO [stderr]    |
Dec 19 17:11:04.612 INFO [stderr] 57 |         if (set) { self.f |= (1 << offset);  }
Dec 19 17:11:04.612 INFO [stderr]    |                              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:11:04.612 INFO [stderr] 
Dec 19 17:11:04.846 INFO [stderr] warning: unused variable: `other`
Dec 19 17:11:04.846 INFO [stderr]    --> src/cpu.rs:204:13
Dec 19 17:11:04.846 INFO [stderr]     |
Dec 19 17:11:04.846 INFO [stderr] 204 |             other => panic!("Instruction not implemented!"),
Dec 19 17:11:04.846 INFO [stderr]     |             ^^^^^ help: consider using `_other` instead
Dec 19 17:11:04.846 INFO [stderr]     |
Dec 19 17:11:04.846 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:11:04.846 INFO [stderr] 
Dec 19 17:11:04.884 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:11:04.884 INFO [stderr]    --> src/cpu.rs:215:13
Dec 19 17:11:04.884 INFO [stderr]     |
Dec 19 17:11:04.884 INFO [stderr] 215 |         let mut cpu = CPU::new();
Dec 19 17:11:04.884 INFO [stderr]     |             ----^^^
Dec 19 17:11:04.884 INFO [stderr]     |             |
Dec 19 17:11:04.884 INFO [stderr]     |             help: remove this `mut`
Dec 19 17:11:04.884 INFO [stderr]     |
Dec 19 17:11:04.884 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 17:11:04.884 INFO [stderr] 
Dec 19 17:11:04.942 INFO [stderr] warning: field is never used: `a`
Dec 19 17:11:04.942 INFO [stderr]  --> src/mmu.rs:2:5
Dec 19 17:11:04.942 INFO [stderr]   |
Dec 19 17:11:04.942 INFO [stderr] 2 |     a: u8,
Dec 19 17:11:04.942 INFO [stderr]   |     ^^^^^
Dec 19 17:11:04.942 INFO [stderr]   |
Dec 19 17:11:04.942 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:11:04.942 INFO [stderr] 
Dec 19 17:11:04.944 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 17:11:04.944 INFO [stderr]   --> src/cpu.rs:53:15
Dec 19 17:11:04.944 INFO [stderr]    |
Dec 19 17:11:04.944 INFO [stderr] 53 |         set = self.registers.a + val > 0xff;
Dec 19 17:11:04.944 INFO [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:04.944 INFO [stderr]    |
Dec 19 17:11:04.944 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 19 17:11:04.944 INFO [stderr] 
Dec 19 17:11:04.976 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:11:04.976 INFO [stderr]   --> src/mbc.rs:23:9
Dec 19 17:11:04.976 INFO [stderr]    |
Dec 19 17:11:04.976 INFO [stderr] 23 |         file.read_to_end(&mut contents);
Dec 19 17:11:04.976 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:11:04.976 INFO [stderr]    |
Dec 19 17:11:04.976 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 17:11:04.976 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:11:04.976 INFO [stderr] 
Dec 19 17:11:05.128 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 19 17:11:05.869 INFO running `"docker" "inspect" "07ef3b1c61b4b456e75d2c203b4d3e78a6a27c25e41256b63f81f97ea667babd"`
Dec 19 17:11:06.128 INFO running `"docker" "rm" "-f" "07ef3b1c61b4b456e75d2c203b4d3e78a6a27c25e41256b63f81f97ea667babd"`
Dec 19 17:11:06.431 INFO [stdout] 07ef3b1c61b4b456e75d2c203b4d3e78a6a27c25e41256b63f81f97ea667babd