[INFO] cloning repository https://github.com/samujon/gameboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samujon/gameboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamujon%2Fgameboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamujon%2Fgameboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f82392af75c5c19c3d00de600dd6f849f0292fd
[INFO] checking samujon/gameboy against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamujon%2Fgameboy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samujon/gameboy
[INFO] finished tweaking git repo https://github.com/samujon/gameboy
[INFO] tweaked toml for git repo https://github.com/samujon/gameboy written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samujon/gameboy on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samujon/gameboy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc0f4df3912226ec6d3ca234a4b0d37aaf16e730b91dd4d68f7a886da8305697
[INFO] running `Command { std: "docker" "start" "-a" "fc0f4df3912226ec6d3ca234a4b0d37aaf16e730b91dd4d68f7a886da8305697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc0f4df3912226ec6d3ca234a4b0d37aaf16e730b91dd4d68f7a886da8305697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0f4df3912226ec6d3ca234a4b0d37aaf16e730b91dd4d68f7a886da8305697", kill_on_drop: false }`
[INFO] [stdout] fc0f4df3912226ec6d3ca234a4b0d37aaf16e730b91dd4d68f7a886da8305697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 154c4074d900dfc121f46addf684b930f2bb3ed5416936f7c23fb838cc80aef8
[INFO] running `Command { std: "docker" "start" "-a" "154c4074d900dfc121f46addf684b930f2bb3ed5416936f7c23fb838cc80aef8", kill_on_drop: false }`
[INFO] [stderr]     Checking gameboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `instructions` should have an upper camel case name
[INFO] [stdout]  --> src/cpu/instructions.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum instructions{
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Instructions`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::registers::Registers`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cpu::registers::Registers;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instructions::TargetRegister`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::cpu::instructions::TargetRegister;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `instructions` should have an upper camel case name
[INFO] [stdout]  --> src/cpu/instructions.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum instructions{
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Instructions`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::registers::Registers`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cpu::registers::Registers;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cpu::instructions::TargetRegister`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::cpu::instructions::TargetRegister;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `high` is never read
[INFO] [stdout]   --> src/cpu/registers.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     high = ((value & 0xFF00) >> 8) as u8;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/cpu/registers.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     low = (value & 0x00FF) as u8;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `high` is assigned to, but never used
[INFO] [stdout]   --> src/cpu/registers.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn set(mut high: u8,mut low: u8, value: u16) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_high` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `low` is assigned to, but never used
[INFO] [stdout]   --> src/cpu/registers.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn set(mut high: u8,mut low: u8, value: u16) {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_low` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Registers` is never constructed
[INFO] [stdout]  --> src/cpu/registers.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Registers {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CombinedRegisters` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum CombinedRegisters{
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ZERO` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const ZERO: u8 = 0b10000000;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUBTRACTION` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const SUBTRACTION: u8 = 0b01000000;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HALF_CARRY` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const HALF_CARRY: u8 = 0b00100000;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CARRY` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const CARRY: u8 = 0b00010000;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn combine(high: u8, low: u8) -> u16 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn set(mut high: u8,mut low: u8, value: u16) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_wide_registers` and `set_wide_registers` are never used
[INFO] [stdout]   --> src/cpu/registers.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Registers {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 36 |     fn get_wide_registers(&self, registers: CombinedRegisters) -> u16{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn set_wide_registers(&mut self, registers: CombinedRegisters, value: u16){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `instructions` is never used
[INFO] [stdout]  --> src/cpu/instructions.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum instructions{
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `high` is never read
[INFO] [stdout]   --> src/cpu/registers.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     high = ((value & 0xFF00) >> 8) as u8;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `low` is never read
[INFO] [stdout]   --> src/cpu/registers.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     low = (value & 0x00FF) as u8;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `high` is assigned to, but never used
[INFO] [stdout]   --> src/cpu/registers.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn set(mut high: u8,mut low: u8, value: u16) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_high` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `low` is assigned to, but never used
[INFO] [stdout]   --> src/cpu/registers.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn set(mut high: u8,mut low: u8, value: u16) {
[INFO] [stdout]    |                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_low` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Registers` is never constructed
[INFO] [stdout]  --> src/cpu/registers.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Registers {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CombinedRegisters` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum CombinedRegisters{
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ZERO` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const ZERO: u8 = 0b10000000;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUBTRACTION` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const SUBTRACTION: u8 = 0b01000000;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HALF_CARRY` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const HALF_CARRY: u8 = 0b00100000;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] warning: constant `CARRY` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const CARRY: u8 = 0b00010000;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn combine(high: u8, low: u8) -> u16 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set` is never used
[INFO] [stdout]   --> src/cpu/registers.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn set(mut high: u8,mut low: u8, value: u16) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_wide_registers` and `set_wide_registers` are never used
[INFO] [stdout]   --> src/cpu/registers.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Registers {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 36 |     fn get_wide_registers(&self, registers: CombinedRegisters) -> u16{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn set_wide_registers(&mut self, registers: CombinedRegisters, value: u16){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `instructions` is never used
[INFO] [stdout]  --> src/cpu/instructions.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum instructions{
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "154c4074d900dfc121f46addf684b930f2bb3ed5416936f7c23fb838cc80aef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154c4074d900dfc121f46addf684b930f2bb3ed5416936f7c23fb838cc80aef8", kill_on_drop: false }`
[INFO] [stdout] 154c4074d900dfc121f46addf684b930f2bb3ed5416936f7c23fb838cc80aef8