[INFO] updating cached repository https://github.com/RickyBoyd/rust-gbemu
[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] d08b4b96b1db1ad1fbcefbab0e276fab5c25e063
[INFO] testing RickyBoyd/rust-gbemu against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRickyBoyd%2Frust-gbemu" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RickyBoyd/rust-gbemu on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RickyBoyd/rust-gbemu
[INFO] finished tweaking git repo https://github.com/RickyBoyd/rust-gbemu
[INFO] tweaked toml for git repo https://github.com/RickyBoyd/rust-gbemu written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/RickyBoyd/rust-gbemu already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "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] 2db37a308da49bdef831fd15537957245a4f526b8d82c08047e8f88759caf232
[INFO] running `"docker" "start" "-a" "2db37a308da49bdef831fd15537957245a4f526b8d82c08047e8f88759caf232"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-gbemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/cpu.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]  --> src/mmu.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn write_byte(&self, addr: u16) {
[INFO] [stderr]   |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn write_word(&self, addr: u16) {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:16:29
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn read_word(&self, addr: u16) -> u16 {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flag`
[INFO] [stderr]  --> src/cpu.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Flag {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/cpu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Flag {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/cpu.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn set(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset`
[INFO] [stderr]   --> src/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn unset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `toggle`
[INFO] [stderr]   --> src/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn toggle(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flags`
[INFO] [stderr]   --> src/cpu.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Flags {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new() -> Flags {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/cpu.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Registers`
[INFO] [stderr]   --> src/cpu.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | struct Registers {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new() -> Registers {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bc`
[INFO] [stderr]   --> src/cpu.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn bc(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `de`
[INFO] [stderr]   --> src/cpu.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn de(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hl`
[INFO] [stderr]   --> src/cpu.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn hl(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_bc`
[INFO] [stderr]   --> src/cpu.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn set_bc(&mut self, v: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_de`
[INFO] [stderr]    --> src/cpu.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn set_de(&mut self, v: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_hl`
[INFO] [stderr]    --> src/cpu.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn set_hl(&mut self, v: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]    --> src/cpu.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub struct Cpu {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/cpu.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn new() -> Cpu {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add8`
[INFO] [stderr]    --> src/cpu.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn add8(&mut self, x: u8, y: u8) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_instuction_byte`
[INFO] [stderr]    --> src/cpu.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn next_instuction_byte(&mut self, mmu: &Mmu) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_cycle`
[INFO] [stderr]    --> src/cpu.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn execute_cycle(&mut self, mmu: &Mmu) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_instruction`
[INFO] [stderr]    --> src/cpu.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn execute_instruction(&mut self, mmu: &Mmu) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WRAM_SIZE`
[INFO] [stderr]  --> src/mmu.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const WRAM_SIZE: usize = 16000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Mmu`
[INFO] [stderr]  --> src/mmu.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Mmu {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_byte`
[INFO] [stderr]  --> src/mmu.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn write_byte(&self, addr: u16) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_word`
[INFO] [stderr]   --> src/mmu.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn write_word(&self, addr: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/mmu.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_word`
[INFO] [stderr]   --> src/mmu.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn read_word(&self, addr: u16) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "2db37a308da49bdef831fd15537957245a4f526b8d82c08047e8f88759caf232"`
[INFO] running `"docker" "rm" "-f" "2db37a308da49bdef831fd15537957245a4f526b8d82c08047e8f88759caf232"`
[INFO] [stdout] 2db37a308da49bdef831fd15537957245a4f526b8d82c08047e8f88759caf232
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 84ccaa5faf80a606fa8eeb4d2d3d5a280c5e55026c1d901ab52e005720eb0c5a
[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" "84ccaa5faf80a606fa8eeb4d2d3d5a280c5e55026c1d901ab52e005720eb0c5a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-gbemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/cpu.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]  --> src/mmu.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn write_byte(&self, addr: u16) {
[INFO] [stderr]   |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn write_word(&self, addr: u16) {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:16:29
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn read_word(&self, addr: u16) -> u16 {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flag`
[INFO] [stderr]  --> src/cpu.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Flag {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/cpu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Flag {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/cpu.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn set(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset`
[INFO] [stderr]   --> src/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn unset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `toggle`
[INFO] [stderr]   --> src/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn toggle(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flags`
[INFO] [stderr]   --> src/cpu.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Flags {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new() -> Flags {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/cpu.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Registers`
[INFO] [stderr]   --> src/cpu.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | struct Registers {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new() -> Registers {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bc`
[INFO] [stderr]   --> src/cpu.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn bc(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `de`
[INFO] [stderr]   --> src/cpu.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn de(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hl`
[INFO] [stderr]   --> src/cpu.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn hl(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_bc`
[INFO] [stderr]   --> src/cpu.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn set_bc(&mut self, v: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_de`
[INFO] [stderr]    --> src/cpu.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn set_de(&mut self, v: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_hl`
[INFO] [stderr]    --> src/cpu.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn set_hl(&mut self, v: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]    --> src/cpu.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub struct Cpu {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/cpu.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn new() -> Cpu {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add8`
[INFO] [stderr]    --> src/cpu.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn add8(&mut self, x: u8, y: u8) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_instuction_byte`
[INFO] [stderr]    --> src/cpu.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn next_instuction_byte(&mut self, mmu: &Mmu) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_cycle`
[INFO] [stderr]    --> src/cpu.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn execute_cycle(&mut self, mmu: &Mmu) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_instruction`
[INFO] [stderr]    --> src/cpu.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn execute_instruction(&mut self, mmu: &Mmu) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WRAM_SIZE`
[INFO] [stderr]  --> src/mmu.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const WRAM_SIZE: usize = 16000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Mmu`
[INFO] [stderr]  --> src/mmu.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Mmu {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_byte`
[INFO] [stderr]  --> src/mmu.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn write_byte(&self, addr: u16) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_word`
[INFO] [stderr]   --> src/mmu.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn write_word(&self, addr: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/mmu.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_word`
[INFO] [stderr]   --> src/mmu.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn read_word(&self, addr: u16) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "84ccaa5faf80a606fa8eeb4d2d3d5a280c5e55026c1d901ab52e005720eb0c5a"`
[INFO] running `"docker" "rm" "-f" "84ccaa5faf80a606fa8eeb4d2d3d5a280c5e55026c1d901ab52e005720eb0c5a"`
[INFO] [stdout] 84ccaa5faf80a606fa8eeb4d2d3d5a280c5e55026c1d901ab52e005720eb0c5a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 594e4c43b23271d6e57e5aeed4ca337e045b11650cf1ca9fd2ba2924a9dcd036
[INFO] running `"docker" "start" "-a" "594e4c43b23271d6e57e5aeed4ca337e045b11650cf1ca9fd2ba2924a9dcd036"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/cpu.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]  --> src/mmu.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn write_byte(&self, addr: u16) {
[INFO] [stderr]   |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn write_word(&self, addr: u16) {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:16:29
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/mmu.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn read_word(&self, addr: u16) -> u16 {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flag`
[INFO] [stderr]  --> src/cpu.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Flag {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/cpu.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Flag {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/cpu.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn set(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unset`
[INFO] [stderr]   --> src/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn unset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `toggle`
[INFO] [stderr]   --> src/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn toggle(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flags`
[INFO] [stderr]   --> src/cpu.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Flags {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new() -> Flags {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/cpu.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Registers`
[INFO] [stderr]   --> src/cpu.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | struct Registers {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/cpu.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new() -> Registers {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bc`
[INFO] [stderr]   --> src/cpu.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn bc(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `de`
[INFO] [stderr]   --> src/cpu.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn de(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hl`
[INFO] [stderr]   --> src/cpu.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn hl(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_bc`
[INFO] [stderr]   --> src/cpu.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn set_bc(&mut self, v: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_de`
[INFO] [stderr]    --> src/cpu.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn set_de(&mut self, v: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_hl`
[INFO] [stderr]    --> src/cpu.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn set_hl(&mut self, v: u16) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cpu`
[INFO] [stderr]    --> src/cpu.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 | pub struct Cpu {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/cpu.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn new() -> Cpu {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add8`
[INFO] [stderr]    --> src/cpu.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn add8(&mut self, x: u8, y: u8) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_instuction_byte`
[INFO] [stderr]    --> src/cpu.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn next_instuction_byte(&mut self, mmu: &Mmu) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_cycle`
[INFO] [stderr]    --> src/cpu.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn execute_cycle(&mut self, mmu: &Mmu) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_instruction`
[INFO] [stderr]    --> src/cpu.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn execute_instruction(&mut self, mmu: &Mmu) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WRAM_SIZE`
[INFO] [stderr]  --> src/mmu.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const WRAM_SIZE: usize = 16000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Mmu`
[INFO] [stderr]  --> src/mmu.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Mmu {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_byte`
[INFO] [stderr]  --> src/mmu.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn write_byte(&self, addr: u16) {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_word`
[INFO] [stderr]   --> src/mmu.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn write_word(&self, addr: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/mmu.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_word`
[INFO] [stderr]   --> src/mmu.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn read_word(&self, addr: u16) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_gbemu-fb0a03b6bf6cd789
[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" "594e4c43b23271d6e57e5aeed4ca337e045b11650cf1ca9fd2ba2924a9dcd036"`
[INFO] running `"docker" "rm" "-f" "594e4c43b23271d6e57e5aeed4ca337e045b11650cf1ca9fd2ba2924a9dcd036"`
[INFO] [stdout] 594e4c43b23271d6e57e5aeed4ca337e045b11650cf1ca9fd2ba2924a9dcd036