[INFO] cloning repository https://github.com/jaretscrews/rusty-boi
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaretscrews/rusty-boi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaretscrews%2Frusty-boi"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaretscrews%2Frusty-boi'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba81b459de3ae7f3461fc9b5a23351ea506d7899
[INFO] checking jaretscrews/rusty-boi against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaretscrews%2Frusty-boi" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaretscrews/rusty-boi on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jaretscrews/rusty-boi
[INFO] finished tweaking git repo https://github.com/jaretscrews/rusty-boi
[INFO] tweaked toml for git repo https://github.com/jaretscrews/rusty-boi written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jaretscrews/rusty-boi already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 638541f9a041263fa4aac8f51ae441c0eb68835f6bf7e6dc62bc69051cec54fb
[INFO] running `"docker" "start" "-a" "638541f9a041263fa4aac8f51ae441c0eb68835f6bf7e6dc62bc69051cec54fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rusty-boi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/cpu/mod.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             _ => {
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut cpu = CPU::new();
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut cpu = CPU::new();
[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: associated function is never used: `get_bc`
[INFO] [stderr]   --> src/cpu/registers.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn get_bc(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bc`
[INFO] [stderr]   --> src/cpu/registers.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn set_bc(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_de`
[INFO] [stderr]   --> src/cpu/registers.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_de(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_de`
[INFO] [stderr]   --> src/cpu/registers.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set_de(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hl`
[INFO] [stderr]   --> src/cpu/registers.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn get_hl(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_hl`
[INFO] [stderr]   --> src/cpu/registers.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn set_hl(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]  --> src/cpu/instructions.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Instruction {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Target`
[INFO] [stderr]  --> src/cpu/instructions.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Target {
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `registers`
[INFO] [stderr]  --> src/cpu/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     registers: Registers,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/cpu/mod.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute(&mut self, instruction: Instruction ) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cpu/mod.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn add(&mut self, value: u8) -> u8{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/cpu/mod.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             _ => {
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut cpu = CPU::new();
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut cpu = CPU::new();
[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: associated function is never used: `get_bc`
[INFO] [stderr]   --> src/cpu/registers.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn get_bc(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_bc`
[INFO] [stderr]   --> src/cpu/registers.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn set_bc(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_de`
[INFO] [stderr]   --> src/cpu/registers.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn get_de(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_de`
[INFO] [stderr]   --> src/cpu/registers.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn set_de(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hl`
[INFO] [stderr]   --> src/cpu/registers.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn get_hl(&self) -> u16 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_hl`
[INFO] [stderr]   --> src/cpu/registers.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn set_hl(&mut self, val: u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Instruction`
[INFO] [stderr]  --> src/cpu/instructions.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Instruction {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Target`
[INFO] [stderr]  --> src/cpu/instructions.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Target {
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `registers`
[INFO] [stderr]  --> src/cpu/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     registers: Registers,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/cpu/mod.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn execute(&mut self, instruction: Instruction ) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cpu/mod.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn add(&mut self, value: u8) -> u8{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "638541f9a041263fa4aac8f51ae441c0eb68835f6bf7e6dc62bc69051cec54fb"`
[INFO] running `"docker" "rm" "-f" "638541f9a041263fa4aac8f51ae441c0eb68835f6bf7e6dc62bc69051cec54fb"`
[INFO] [stdout] 638541f9a041263fa4aac8f51ae441c0eb68835f6bf7e6dc62bc69051cec54fb