[INFO] cloning repository https://github.com/Kolossion/rust-gb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kolossion/rust-gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolossion%2Frust-gb"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolossion%2Frust-gb'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0977a4a7ef116d2dd95e3eb02082a5437b0a934b
[INFO] checking Kolossion/rust-gb against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolossion%2Frust-gb" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kolossion/rust-gb on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Kolossion/rust-gb
[INFO] finished tweaking git repo https://github.com/Kolossion/rust-gb
[INFO] tweaked toml for git repo https://github.com/Kolossion/rust-gb written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kolossion/rust-gb already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] f0d043e082c943cae880e5d5db1537ae206a5fda29d0588f8634afa350be3475
[INFO] running `"docker" "start" "-a" "f0d043e082c943cae880e5d5db1537ae206a5fda29d0588f8634afa350be3475"`
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `emu::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emu::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rom_data`
[INFO] [stderr]   --> src/emu/mod.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |   let rom_data = read_bin(rom_file_name);
[INFO] [stderr]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rom_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/emu/mod.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut cpu = CPU::new();
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn run_op(&mut self, opcode: u16) {
[INFO] [stderr]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sum` is never read
[INFO] [stderr]  --> src/emu/cpu/alu/mod.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let mut sum: u16 = 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: value assigned to `sum` is never read
[INFO] [stderr]   --> src/emu/cpu/alu/mod.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 |   let mut sum: u32 = 0;
[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/emu/mod.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   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: unused import: `emu::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emu::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_8`
[INFO] [stderr]  --> src/emu/cpu/alu/mod.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn add_8(a: u8, b :u8) -> (bool, bool, u8) {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_16`
[INFO] [stderr]   --> src/emu/cpu/alu/mod.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn add_16(a: u16, b :u16) -> (bool, bool, u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run_op`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn run_op(&mut self, opcode: u16) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_reg_8`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:51:3
[INFO] [stderr]    |
[INFO] [stderr] 51 |   pub fn get_reg_8(&mut self, reg: &str) -> u8 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_reg_8`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |   pub fn set_reg_8(&mut self, reg: &str, val: u8) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `boot`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |   pub fn boot(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_e`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:90:3
[INFO] [stderr]    |
[INFO] [stderr] 90 |   pub fn add_e(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_d`
[INFO] [stderr]    --> src/emu/cpu/mod.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn add_d(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `noop`
[INFO] [stderr]    --> src/emu/cpu/mod.rs:110:3
[INFO] [stderr]     |
[INFO] [stderr] 110 |   pub fn noop(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rom_data`
[INFO] [stderr]   --> src/emu/mod.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |   let rom_data = read_bin(rom_file_name);
[INFO] [stderr]    |       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rom_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/emu/mod.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut cpu = CPU::new();
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opcode`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn run_op(&mut self, opcode: u16) {
[INFO] [stderr]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sum` is never read
[INFO] [stderr]  --> src/emu/cpu/alu/mod.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |   let mut sum: u16 = 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: value assigned to `sum` is never read
[INFO] [stderr]   --> src/emu/cpu/alu/mod.rs:26:7
[INFO] [stderr]    |
[INFO] [stderr] 26 |   let mut sum: u32 = 0;
[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/emu/mod.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   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: function is never used: `add_8`
[INFO] [stderr]  --> src/emu/cpu/alu/mod.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn add_8(a: u8, b :u8) -> (bool, bool, u8) {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_16`
[INFO] [stderr]   --> src/emu/cpu/alu/mod.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn add_16(a: u16, b :u16) -> (bool, bool, u16) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run_op`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn run_op(&mut self, opcode: u16) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `boot`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:85:3
[INFO] [stderr]    |
[INFO] [stderr] 85 |   pub fn boot(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_e`
[INFO] [stderr]   --> src/emu/cpu/mod.rs:90:3
[INFO] [stderr]    |
[INFO] [stderr] 90 |   pub fn add_e(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_d`
[INFO] [stderr]    --> src/emu/cpu/mod.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn add_d(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `noop`
[INFO] [stderr]    --> src/emu/cpu/mod.rs:110:3
[INFO] [stderr]     |
[INFO] [stderr] 110 |   pub fn noop(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "f0d043e082c943cae880e5d5db1537ae206a5fda29d0588f8634afa350be3475"`
[INFO] running `"docker" "rm" "-f" "f0d043e082c943cae880e5d5db1537ae206a5fda29d0588f8634afa350be3475"`
[INFO] [stdout] f0d043e082c943cae880e5d5db1537ae206a5fda29d0588f8634afa350be3475