[INFO] updating cached repository https://github.com/gitbugr/NES_Emulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71902c82955ac2257f0e2b86d3ecf03e11f10a79
[INFO] testing gitbugr/NES_Emulator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgitbugr%2FNES_Emulator" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gitbugr/NES_Emulator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gitbugr/NES_Emulator
[INFO] finished tweaking git repo https://github.com/gitbugr/NES_Emulator
[INFO] tweaked toml for git repo https://github.com/gitbugr/NES_Emulator written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gitbugr/NES_Emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3b5fcbb2d27de7d81e5ccfb0ea26c07a4f20230c76c6587283c37b23de80a32
[INFO] running `"docker" "start" "-a" "e3b5fcbb2d27de7d81e5ccfb0ea26c07a4f20230c76c6587283c37b23de80a32"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nes_emulator v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]    --> src/main.rs:952:15
[INFO] [stderr]     |
[INFO] [stderr] 952 |         return(self.cpu_memory[0x01FF - self.sp as usize]);
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1012:11
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     return(nb);
[INFO] [stderr]      |           ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1027:15
[INFO] [stderr]      |
[INFO] [stderr] 1027 |         return(true);
[INFO] [stderr]      |               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1029:11
[INFO] [stderr]      |
[INFO] [stderr] 1029 |     return(false);
[INFO] [stderr]      |           ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |             0xBD =>{
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |             0x20 =>{
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_cartram` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut has_cartram:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_has_cartram` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_trainer` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut has_trainer:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_has_trainer` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `region` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut region:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_region` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rom_mapper_type` is never read
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut rom_mapper_type:u8 = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rom_banks` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut rom_banks:u8 = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_rom_banks` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rom_banks` is never read
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         rom_banks = buffer[4];
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_cartram` is never read
[INFO] [stderr]   --> src/main.rs:84:52
[INFO] [stderr]    |
[INFO] [stderr] 84 |         if &buffer[6] & 0b00000010 == 0b00000010 { has_cartram=true; println!("Has on-cartridge ram!") }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_trainer` is never read
[INFO] [stderr]   --> src/main.rs:96:52
[INFO] [stderr]    |
[INFO] [stderr] 96 |         if &buffer[6] & 0b00000100 == 0b00000100 { has_trainer=true; println!("Has trainer section!") }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `region` is never read
[INFO] [stderr]    --> src/main.rs:101:52
[INFO] [stderr]     |
[INFO] [stderr] 101 |         if &buffer[9] & 0b00000001 == 0b00000001 { region=true; println!("Region: PAL"); }
[INFO] [stderr]     |                                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:198:21
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:211:21
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize],self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:289:21
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:297:21
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:298:21
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 let mut to_stack = self.pc.to_owned() + 3;
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |                 let mut addr = two_u8_to_u16(self.pop_from_stack(),self.pop_from_stack());
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:324:21
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 let mut to_stack = self.pc.to_owned();
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 let mut addr = self.cpu_memory[self.pc as usize+1];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:707:21
[INFO] [stderr]     |
[INFO] [stderr] 707 |                 let mut addr = self.cpu_memory[(self.pc+1) as usize];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:941:13
[INFO] [stderr]     |
[INFO] [stderr] 941 |         let mut addr = 0x01FF - self.sp as usize;
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `clock`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     clock: f32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         file.read_to_end(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u8>::wrapping_add` that must be used
[INFO] [stderr]    --> src/main.rs:398:17
[INFO] [stderr]     |
[INFO] [stderr] 398 |                 self.cpu_memory[addr as usize].wrapping_add(1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:439:20
[INFO] [stderr]     |
[INFO] [stderr] 439 |                 if res >= 0 { self.set_bitflag(0,true) }
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:454:20
[INFO] [stderr]     |
[INFO] [stderr] 454 |                 if res >= 0 { self.set_bitflag(0,true) }
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "e3b5fcbb2d27de7d81e5ccfb0ea26c07a4f20230c76c6587283c37b23de80a32"`
[INFO] running `"docker" "rm" "-f" "e3b5fcbb2d27de7d81e5ccfb0ea26c07a4f20230c76c6587283c37b23de80a32"`
[INFO] [stdout] e3b5fcbb2d27de7d81e5ccfb0ea26c07a4f20230c76c6587283c37b23de80a32
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 702768872a01ce6570c9776db52a7415786892774ce653bc99e08d9849c9794f
[INFO] running `"docker" "start" "-a" "702768872a01ce6570c9776db52a7415786892774ce653bc99e08d9849c9794f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nes_emulator v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]    --> src/main.rs:952:15
[INFO] [stderr]     |
[INFO] [stderr] 952 |         return(self.cpu_memory[0x01FF - self.sp as usize]);
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1012:11
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     return(nb);
[INFO] [stderr]      |           ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1027:15
[INFO] [stderr]      |
[INFO] [stderr] 1027 |         return(true);
[INFO] [stderr]      |               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1029:11
[INFO] [stderr]      |
[INFO] [stderr] 1029 |     return(false);
[INFO] [stderr]      |           ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |             0xBD =>{
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |             0x20 =>{
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_cartram` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut has_cartram:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_has_cartram` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_trainer` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut has_trainer:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_has_trainer` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `region` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut region:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_region` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rom_mapper_type` is never read
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut rom_mapper_type:u8 = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rom_banks` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut rom_banks:u8 = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_rom_banks` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rom_banks` is never read
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         rom_banks = buffer[4];
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_cartram` is never read
[INFO] [stderr]   --> src/main.rs:84:52
[INFO] [stderr]    |
[INFO] [stderr] 84 |         if &buffer[6] & 0b00000010 == 0b00000010 { has_cartram=true; println!("Has on-cartridge ram!") }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_trainer` is never read
[INFO] [stderr]   --> src/main.rs:96:52
[INFO] [stderr]    |
[INFO] [stderr] 96 |         if &buffer[6] & 0b00000100 == 0b00000100 { has_trainer=true; println!("Has trainer section!") }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `region` is never read
[INFO] [stderr]    --> src/main.rs:101:52
[INFO] [stderr]     |
[INFO] [stderr] 101 |         if &buffer[9] & 0b00000001 == 0b00000001 { region=true; println!("Region: PAL"); }
[INFO] [stderr]     |                                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:198:21
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:211:21
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize],self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:289:21
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:297:21
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:298:21
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 let mut to_stack = self.pc.to_owned() + 3;
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |                 let mut addr = two_u8_to_u16(self.pop_from_stack(),self.pop_from_stack());
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:324:21
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 let mut to_stack = self.pc.to_owned();
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 let mut addr = self.cpu_memory[self.pc as usize+1];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:707:21
[INFO] [stderr]     |
[INFO] [stderr] 707 |                 let mut addr = self.cpu_memory[(self.pc+1) as usize];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:941:13
[INFO] [stderr]     |
[INFO] [stderr] 941 |         let mut addr = 0x01FF - self.sp as usize;
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `clock`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     clock: f32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         file.read_to_end(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u8>::wrapping_add` that must be used
[INFO] [stderr]    --> src/main.rs:398:17
[INFO] [stderr]     |
[INFO] [stderr] 398 |                 self.cpu_memory[addr as usize].wrapping_add(1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:439:20
[INFO] [stderr]     |
[INFO] [stderr] 439 |                 if res >= 0 { self.set_bitflag(0,true) }
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:454:20
[INFO] [stderr]     |
[INFO] [stderr] 454 |                 if res >= 0 { self.set_bitflag(0,true) }
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "702768872a01ce6570c9776db52a7415786892774ce653bc99e08d9849c9794f"`
[INFO] running `"docker" "rm" "-f" "702768872a01ce6570c9776db52a7415786892774ce653bc99e08d9849c9794f"`
[INFO] [stdout] 702768872a01ce6570c9776db52a7415786892774ce653bc99e08d9849c9794f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] a4e4824d0d9db28cb9201304733af2c0ad719d4ae679815049c6c817d52848c0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a4e4824d0d9db28cb9201304733af2c0ad719d4ae679815049c6c817d52848c0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]    --> src/main.rs:952:15
[INFO] [stderr]     |
[INFO] [stderr] 952 |         return(self.cpu_memory[0x01FF - self.sp as usize]);
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1012:11
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     return(nb);
[INFO] [stderr]      |           ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1027:15
[INFO] [stderr]      |
[INFO] [stderr] 1027 |         return(true);
[INFO] [stderr]      |               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]     --> src/main.rs:1029:11
[INFO] [stderr]      |
[INFO] [stderr] 1029 |     return(false);
[INFO] [stderr]      |           ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:209:13
[INFO] [stderr]     |
[INFO] [stderr] 209 |             0xBD =>{
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |             0x20 =>{
[INFO] [stderr]     |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_cartram` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut has_cartram:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_has_cartram` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_trainer` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut has_trainer:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_has_trainer` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `region` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut region:bool = false;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_region` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rom_mapper_type` is never read
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut rom_mapper_type:u8 = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rom_banks` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut rom_banks:u8 = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_rom_banks` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rom_banks` is never read
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         rom_banks = buffer[4];
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_cartram` is never read
[INFO] [stderr]   --> src/main.rs:84:52
[INFO] [stderr]    |
[INFO] [stderr] 84 |         if &buffer[6] & 0b00000010 == 0b00000010 { has_cartram=true; println!("Has on-cartridge ram!") }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_trainer` is never read
[INFO] [stderr]   --> src/main.rs:96:52
[INFO] [stderr]    |
[INFO] [stderr] 96 |         if &buffer[6] & 0b00000100 == 0b00000100 { has_trainer=true; println!("Has trainer section!") }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `region` is never read
[INFO] [stderr]    --> src/main.rs:101:52
[INFO] [stderr]     |
[INFO] [stderr] 101 |         if &buffer[9] & 0b00000001 == 0b00000001 { region=true; println!("Region: PAL"); }
[INFO] [stderr]     |                                                    ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:198:21
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:211:21
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize],self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:289:21
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:297:21
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:298:21
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 let mut to_stack = self.pc.to_owned() + 3;
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |                 let mut addr = two_u8_to_u16(self.pop_from_stack(),self.pop_from_stack());
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:324:21
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let mut addr = two_u8_to_u16(self.cpu_memory[(self.pc+2) as usize], self.cpu_memory[(self.pc+1) as usize]);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 let mut to_stack = self.pc.to_owned();
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:397:21
[INFO] [stderr]     |
[INFO] [stderr] 397 |                 let mut addr = self.cpu_memory[self.pc as usize+1];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:707:21
[INFO] [stderr]     |
[INFO] [stderr] 707 |                 let mut addr = self.cpu_memory[(self.pc+1) as usize];
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:941:13
[INFO] [stderr]     |
[INFO] [stderr] 941 |         let mut addr = 0x01FF - self.sp as usize;
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `clock`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     clock: f32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         file.read_to_end(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u8>::wrapping_add` that must be used
[INFO] [stderr]    --> src/main.rs:398:17
[INFO] [stderr]     |
[INFO] [stderr] 398 |                 self.cpu_memory[addr as usize].wrapping_add(1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:439:20
[INFO] [stderr]     |
[INFO] [stderr] 439 |                 if res >= 0 { self.set_bitflag(0,true) }
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:454:20
[INFO] [stderr]     |
[INFO] [stderr] 454 |                 if res >= 0 { self.set_bitflag(0,true) }
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nes_emulator-c127c0f111166ab7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a4e4824d0d9db28cb9201304733af2c0ad719d4ae679815049c6c817d52848c0"`
[INFO] running `"docker" "rm" "-f" "a4e4824d0d9db28cb9201304733af2c0ad719d4ae679815049c6c817d52848c0"`
[INFO] [stdout] a4e4824d0d9db28cb9201304733af2c0ad719d4ae679815049c6c817d52848c0