[INFO] updating cached repository https://github.com/ltriant/nes
[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] [stderr] From https://github.com/ltriant/nes
[INFO] [stderr]    3683422..1dd0b8d  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dd0b8df9f069440258aa8f36a6ce73650664789
[INFO] checking ltriant/nes against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltriant%2Fnes" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltriant/nes on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ltriant/nes
[INFO] finished tweaking git repo https://github.com/ltriant/nes
[INFO] tweaked toml for git repo https://github.com/ltriant/nes written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ltriant/nes already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae9b8f317185d7d97402f22b274a1ce4f8d6736894e5ae7e5d4486cbe7a6cba9
[INFO] running `"docker" "start" "-a" "ae9b8f317185d7d97402f22b274a1ce4f8d6736894e5ae7e5d4486cbe7a6cba9"`
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking termcolor v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `NESMemory`
[INFO] [stderr]    --> src/cpu.rs:950:19
[INFO] [stderr]     |
[INFO] [stderr] 950 |         let mem = NESMemory::new_nes_mem(ppu, ctrl);
[INFO] [stderr]     |                   ^^^^^^^^^ use of undeclared type or module `NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `NESMemory`
[INFO] [stderr]    --> src/cpu.rs:967:19
[INFO] [stderr]     |
[INFO] [stderr] 967 |         let mem = NESMemory::new_nes_mem(ppu, ctrl);
[INFO] [stderr]     |                   ^^^^^^^^^ use of undeclared type or module `NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `NESMemory`
[INFO] [stderr]    --> src/cpu.rs:985:19
[INFO] [stderr]     |
[INFO] [stderr] 985 |         let mem = NESMemory::new_nes_mem(ppu, ctrl);
[INFO] [stderr]     |                   ^^^^^^^^^ use of undeclared type or module `NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `NESMemory`
[INFO] [stderr]     --> src/cpu.rs:1010:19
[INFO] [stderr]      |
[INFO] [stderr] 1010 |         let mem = NESMemory::new_nes_mem(ppu, ctrl);
[INFO] [stderr]      |                   ^^^^^^^^^ use of undeclared type or module `NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `NESMemory`
[INFO] [stderr]     --> src/cpu.rs:1029:19
[INFO] [stderr]      |
[INFO] [stderr] 1029 |         let mem = NESMemory::new_nes_mem(ppu, ctrl);
[INFO] [stderr]      |                   ^^^^^^^^^ use of undeclared type or module `NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/cpu.rs:948:19
[INFO] [stderr]     |
[INFO] [stderr] 948 |         let ppu = PPU::new_nes_ppu();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   expected 1 argument
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ppu.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub fn new_nes_ppu(cartridge: Rc<RefCell<Box<dyn Mapper>>>) -> Self {
[INFO] [stderr]     |     ------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/cpu.rs:965:19
[INFO] [stderr]     |
[INFO] [stderr] 965 |         let ppu = PPU::new_nes_ppu();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   expected 1 argument
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ppu.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub fn new_nes_ppu(cartridge: Rc<RefCell<Box<dyn Mapper>>>) -> Self {
[INFO] [stderr]     |     ------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/cpu.rs:983:19
[INFO] [stderr]     |
[INFO] [stderr] 983 |         let ppu = PPU::new_nes_ppu();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   expected 1 argument
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ppu.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub fn new_nes_ppu(cartridge: Rc<RefCell<Box<dyn Mapper>>>) -> Self {
[INFO] [stderr]     |     ------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `ram` on type `std::boxed::Box<(dyn mem::Memory + 'static)>`
[INFO] [stderr]    --> src/cpu.rs:990:28
[INFO] [stderr]     |
[INFO] [stderr] 990 |         assert_eq!(cpu.mem.ram[0x0100 + (cpu.sp as usize) + 1], 0xff);
[INFO] [stderr]     |                            ^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `ram` on type `std::boxed::Box<(dyn mem::Memory + 'static)>`
[INFO] [stderr]    --> src/cpu.rs:994:28
[INFO] [stderr]     |
[INFO] [stderr] 994 |         assert_eq!(cpu.mem.ram[0x100 + (cpu.sp as usize) + 1], 0xad);
[INFO] [stderr]     |                            ^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `ram` on type `std::boxed::Box<(dyn mem::Memory + 'static)>`
[INFO] [stderr]    --> src/cpu.rs:995:28
[INFO] [stderr]     |
[INFO] [stderr] 995 |         assert_eq!(cpu.mem.ram[0x100 + (cpu.sp as usize) + 2], 0xde);
[INFO] [stderr]     |                            ^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]     --> src/cpu.rs:1008:19
[INFO] [stderr]      |
[INFO] [stderr] 1008 |         let ppu = PPU::new_nes_ppu();
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]      |                   |
[INFO] [stderr]      |                   expected 1 argument
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/ppu.rs:312:5
[INFO] [stderr]      |
[INFO] [stderr] 312  |     pub fn new_nes_ppu(cartridge: Rc<RefCell<Box<dyn Mapper>>>) -> Self {
[INFO] [stderr]      |     ------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]     --> src/cpu.rs:1027:19
[INFO] [stderr]      |
[INFO] [stderr] 1027 |         let ppu = PPU::new_nes_ppu();
[INFO] [stderr]      |                   ^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]      |                   |
[INFO] [stderr]      |                   expected 1 argument
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/ppu.rs:312:5
[INFO] [stderr]      |
[INFO] [stderr] 312  |     pub fn new_nes_ppu(cartridge: Rc<RefCell<Box<dyn Mapper>>>) -> Self {
[INFO] [stderr]      |     ------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `load_rom` found for struct `std::boxed::Box<(dyn mem::Memory + 'static)>` in the current scope
[INFO] [stderr]     --> src/cpu.rs:1035:17
[INFO] [stderr]      |
[INFO] [stderr] 1035 |         cpu.mem.load_rom(&rom);
[INFO] [stderr]      |                 ^^^^^^^^ method not found in `std::boxed::Box<(dyn mem::Memory + 'static)>`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/mem.rs:132:19
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let ppu = PPU::new_nes_ppu();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   expected 1 argument
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ppu.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub fn new_nes_ppu(cartridge: Rc<RefCell<Box<dyn Mapper>>>) -> Self {
[INFO] [stderr]     |     ------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stderr]    --> src/mem.rs:134:23
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     pub fn new_nes_mem(ppu: Rc<RefCell<PPU>>,
[INFO] [stderr] 113 | |                        apu: Rc<RefCell<APU>>,
[INFO] [stderr] 114 | |                        controller: Rc<RefCell<Controller>>)
[INFO] [stderr] 115 | |         -> Self
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |         }
[INFO] [stderr] 123 | |     }
[INFO] [stderr]     | |_____- defined here
[INFO] [stderr] ...
[INFO] [stderr] 134 |           let mut mem = NESMemory::new_nes_mem(ppu, ctrl);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ ---  ---- supplied 2 arguments
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         expected 3 arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         assert_eq!(mem.read(0x1000), Ok(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         assert_eq!(mem.write(0x1000, 5), Ok(5));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected unit type `()`
[INFO] [stderr]                     found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         assert_eq!(mem.read(0x1000), Ok(5));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `load_rom` found for struct `mem::NESMemory` in the current scope
[INFO] [stderr]    --> src/mem.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 18  | pub struct NESMemory {
[INFO] [stderr]     | -------------------- method `load_rom` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 142 |         mem.load_rom(&vec![0; 0x8000]);
[INFO] [stderr]     |             ^^^^^^^^ method not found in `mem::NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         assert_eq!(mem.read(0x8000), Ok(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         assert_eq!(mem.read(0x8001), Ok(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         assert_eq!(mem.read(0xffff), Ok(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/mem.rs:150:19
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let ppu = PPU::new_nes_ppu();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   expected 1 argument
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ppu.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     pub fn new_nes_ppu(cartridge: Rc<RefCell<Box<dyn Mapper>>>) -> Self {
[INFO] [stderr]     |     ------------------------------------------------------------------- defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 arguments but 2 arguments were supplied
[INFO] [stderr]    --> src/mem.rs:152:23
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     pub fn new_nes_mem(ppu: Rc<RefCell<PPU>>,
[INFO] [stderr] 113 | |                        apu: Rc<RefCell<APU>>,
[INFO] [stderr] 114 | |                        controller: Rc<RefCell<Controller>>)
[INFO] [stderr] 115 | |         -> Self
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |         }
[INFO] [stderr] 123 | |     }
[INFO] [stderr]     | |_____- defined here
[INFO] [stderr] ...
[INFO] [stderr] 152 |           let mut mem = NESMemory::new_nes_mem(ppu, ctrl);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ ---  ---- supplied 2 arguments
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         expected 3 arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `load_rom` found for struct `mem::NESMemory` in the current scope
[INFO] [stderr]    --> src/mem.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 18  | pub struct NESMemory {
[INFO] [stderr]     | -------------------- method `load_rom` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 153 |         mem.load_rom(&vec![0; 0x8000]);
[INFO] [stderr]     |             ^^^^^^^^ method not found in `mem::NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         assert_eq!(mem.read(0x8000), Ok(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         assert_eq!(mem.read(0xffff), Ok(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `load_rom` found for struct `mem::NESMemory` in the current scope
[INFO] [stderr]    --> src/mem.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 18  | pub struct NESMemory {
[INFO] [stderr]     | -------------------- method `load_rom` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 156 |         mem.load_rom(&vec![1; 0x8000]);
[INFO] [stderr]     |             ^^^^^^^^ method not found in `mem::NESMemory`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         assert_eq!(mem.read(0x8000), Ok(1));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/mem.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         assert_eq!(mem.read(0xffff), Ok(1));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found enum `std::result::Result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `u8`
[INFO] [stderr]                found enum `std::result::Result<{integer}, _>`
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 31 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0308, E0433, E0599, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `nes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ae9b8f317185d7d97402f22b274a1ce4f8d6736894e5ae7e5d4486cbe7a6cba9"`
[INFO] running `"docker" "rm" "-f" "ae9b8f317185d7d97402f22b274a1ce4f8d6736894e5ae7e5d4486cbe7a6cba9"`
[INFO] [stdout] ae9b8f317185d7d97402f22b274a1ce4f8d6736894e5ae7e5d4486cbe7a6cba9
