[INFO] cloning repository https://github.com/nathan-teoh/gbc_emu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathan-teoh/gbc_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-teoh%2Fgbc_emu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-teoh%2Fgbc_emu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c0eb08a669b743ff259aa449bec261a94c6cb31 [INFO] checking nathan-teoh/gbc_emu against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-teoh%2Fgbc_emu" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nathan-teoh/gbc_emu on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nathan-teoh/gbc_emu [INFO] finished tweaking git repo https://github.com/nathan-teoh/gbc_emu [INFO] tweaked toml for git repo https://github.com/nathan-teoh/gbc_emu written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nathan-teoh/gbc_emu 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e4bf97e29e20fb0b1c5208a24a92807dee73793e05f8523deafbd0eb398d7d0 [INFO] running `Command { std: "docker" "start" "-a" "6e4bf97e29e20fb0b1c5208a24a92807dee73793e05f8523deafbd0eb398d7d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e4bf97e29e20fb0b1c5208a24a92807dee73793e05f8523deafbd0eb398d7d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e4bf97e29e20fb0b1c5208a24a92807dee73793e05f8523deafbd0eb398d7d0", kill_on_drop: false }` [INFO] [stdout] 6e4bf97e29e20fb0b1c5208a24a92807dee73793e05f8523deafbd0eb398d7d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 479efac0fe136f40f33fe1cc496212b926911ebeecd1ff967903d0fc9de133ac [INFO] running `Command { std: "docker" "start" "-a" "479efac0fe136f40f33fe1cc496212b926911ebeecd1ff967903d0fc9de133ac", kill_on_drop: false }` [INFO] [stderr] Checking gbemu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/CPU.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | self.registers.f.half_carry = todo!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/CPU.rs:319:9 [INFO] [stdout] | [INFO] [stdout] 319 | self.registers.f.half_carry = todo!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/CPU.rs:329:9 [INFO] [stdout] | [INFO] [stdout] 329 | self.registers.f.half_carry = todo!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `did_overflow` [INFO] [stdout] --> src/CPU.rs:306:23 [INFO] [stdout] | [INFO] [stdout] 306 | let (new_val, did_overflow) = self.registers.a.overflowing_sub(value); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/CPU.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | self.registers.f.half_carry = todo!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `did_overflow` [INFO] [stdout] --> src/CPU.rs:316:23 [INFO] [stdout] | [INFO] [stdout] 316 | let (new_val, did_overflow) = self.registers.a.overflowing_sub(value); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/CPU.rs:319:9 [INFO] [stdout] | [INFO] [stdout] 319 | self.registers.f.half_carry = todo!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/CPU.rs:329:9 [INFO] [stdout] | [INFO] [stdout] 329 | self.registers.f.half_carry = todo!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Registers` is never constructed [INFO] [stdout] --> src/registers.rs:6:19 [INFO] [stdout] | [INFO] [stdout] 6 | pub(crate) struct Registers{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/registers.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 50 | impl Registers{ [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 51 | pub fn get_af(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn get_bc(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn get_de(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn get_hl(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn set_af(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn set_bc(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | pub fn set_de(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn set_hl(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Instruction` is never used [INFO] [stdout] --> src/instructions.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Instruction{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ArithmeticTarget` is never used [INFO] [stdout] --> src/instructions.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum ArithmeticTarget{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CPU` is never constructed [INFO] [stdout] --> src/CPU.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct CPU{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/CPU.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl CPU{ [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] 8 | fn execute(&mut self, instruction: Instruction){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 287 | fn add(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 296 | fn adc(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 305 | fn sub(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 315 | fn sbc(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 325 | fn and(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 334 | fn or(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 343 | fn xor(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `CPU` should have a snake case name [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | mod CPU; [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `cpu` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `did_overflow` [INFO] [stdout] --> src/CPU.rs:306:23 [INFO] [stdout] | [INFO] [stdout] 306 | let (new_val, did_overflow) = self.registers.a.overflowing_sub(value); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `did_overflow` [INFO] [stdout] --> src/CPU.rs:316:23 [INFO] [stdout] | [INFO] [stdout] 316 | let (new_val, did_overflow) = self.registers.a.overflowing_sub(value); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_did_overflow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Registers` is never constructed [INFO] [stdout] --> src/registers.rs:6:19 [INFO] [stdout] | [INFO] [stdout] 6 | pub(crate) struct Registers{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/registers.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 50 | impl Registers{ [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 51 | pub fn get_af(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn get_bc(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn get_de(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn get_hl(&self)->u16{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn set_af(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn set_bc(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | pub fn set_de(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn set_hl(&mut self, value: u16){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Instruction` is never used [INFO] [stdout] --> src/instructions.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | pub enum Instruction{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ArithmeticTarget` is never used [INFO] [stdout] --> src/instructions.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum ArithmeticTarget{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CPU` is never constructed [INFO] [stdout] --> src/CPU.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct CPU{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/CPU.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl CPU{ [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] 8 | fn execute(&mut self, instruction: Instruction){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 287 | fn add(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 296 | fn adc(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 305 | fn sub(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 315 | fn sbc(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 325 | fn and(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 334 | fn or(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^ [INFO] [stdout] ... [INFO] [stdout] 343 | fn xor(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `CPU` should have a snake case name [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | mod CPU; [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `cpu` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "479efac0fe136f40f33fe1cc496212b926911ebeecd1ff967903d0fc9de133ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "479efac0fe136f40f33fe1cc496212b926911ebeecd1ff967903d0fc9de133ac", kill_on_drop: false }` [INFO] [stdout] 479efac0fe136f40f33fe1cc496212b926911ebeecd1ff967903d0fc9de133ac