[INFO] cloning repository https://github.com/mNutella/tiny-gameboy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mNutella/tiny-gameboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmNutella%2Ftiny-gameboy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmNutella%2Ftiny-gameboy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cbbeb0b4f195240bb821c98a720fe48af90a8f83 [INFO] checking mNutella/tiny-gameboy against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmNutella%2Ftiny-gameboy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mNutella/tiny-gameboy [INFO] finished tweaking git repo https://github.com/mNutella/tiny-gameboy [INFO] tweaked toml for git repo https://github.com/mNutella/tiny-gameboy written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mNutella/tiny-gameboy on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mNutella/tiny-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 083f9873b71b7cfb05ed4bed108cd690274f97cd8867b680a068651907204131 [INFO] running `Command { std: "docker" "start" "-a" "083f9873b71b7cfb05ed4bed108cd690274f97cd8867b680a068651907204131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "083f9873b71b7cfb05ed4bed108cd690274f97cd8867b680a068651907204131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "083f9873b71b7cfb05ed4bed108cd690274f97cd8867b680a068651907204131", kill_on_drop: false }` [INFO] [stdout] 083f9873b71b7cfb05ed4bed108cd690274f97cd8867b680a068651907204131 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94ac65d753b689ab1dde2651b91b651abaa5bdc1d846f4a8fa54d36a5faa9d81 [INFO] running `Command { std: "docker" "start" "-a" "94ac65d753b689ab1dde2651b91b651abaa5bdc1d846f4a8fa54d36a5faa9d81", kill_on_drop: false }` [INFO] [stderr] Checking tiny_game_boy_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/cpu/cpu.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/cpu/cpu.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 63 | ADD(target) => match target { [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 73 | JP(jump_type) => self.jump(jump_type.should_jump(&self.registers.f)), [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] 74 | LD(load_type) => match load_type { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 128 | PUSH(source) => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 178 | _ => { [INFO] [stdout] | ^ ...and 5 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `TilePixelValue` is more private than the item `empty_tile` [INFO] [stdout] --> src/gpu.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn empty_tile() -> Tile { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `empty_tile` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `TilePixelValue` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/gpu.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | enum TilePixelValue { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `CPU` is never constructed [INFO] [stdout] --> src/cpu/cpu.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CPU { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `registers`, `pc`, `sp`, `bus`, and `is_halted` are never read [INFO] [stdout] --> src/cpu/cpu.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CPU { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 9 | registers: Registers, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 10 | pc: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | sp: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 12 | bus: MemoryBus, [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | is_halted: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/cpu/cpu.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl CPU { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] 17 | fn read_next_byte(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn read_next_word(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn decode(&self, instruction_byte: u8, prefixed: bool) -> Instruction { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn step(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn execute(&mut self, instruction: Instruction) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 184 | fn add(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 197 | fn jump(&mut self, should_jump: bool) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 205 | fn push(&mut self, value: u16) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 213 | fn pop(&mut self) -> u16 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn call(&mut self, should_jump: bool) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 232 | fn return_(&mut self, should_jump: bool) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tiny_game_boy_emulator` (lib test) due to 1 previous error; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/cpu/cpu.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 178 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/cpu/cpu.rs:178:13 [INFO] [stdout] | [INFO] [stdout] 63 | ADD(target) => match target { [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 73 | JP(jump_type) => self.jump(jump_type.should_jump(&self.registers.f)), [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] 74 | LD(load_type) => match load_type { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 128 | PUSH(source) => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 178 | _ => { [INFO] [stdout] | ^ ...and 5 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `TilePixelValue` is more private than the item `empty_tile` [INFO] [stdout] --> src/gpu.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn empty_tile() -> Tile { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `empty_tile` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `TilePixelValue` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/gpu.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | enum TilePixelValue { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `CPU` is never constructed [INFO] [stdout] --> src/cpu/cpu.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CPU { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `registers`, `pc`, `sp`, `bus`, and `is_halted` are never read [INFO] [stdout] --> src/cpu/cpu.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CPU { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 9 | registers: Registers, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 10 | pc: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | sp: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 12 | bus: MemoryBus, [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | is_halted: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/cpu/cpu.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl CPU { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] 17 | fn read_next_byte(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn read_next_word(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn decode(&self, instruction_byte: u8, prefixed: bool) -> Instruction { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn step(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn execute(&mut self, instruction: Instruction) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 184 | fn add(&mut self, value: u8) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 197 | fn jump(&mut self, should_jump: bool) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 205 | fn push(&mut self, value: u16) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 213 | fn pop(&mut self) -> u16 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn call(&mut self, should_jump: bool) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 232 | fn return_(&mut self, should_jump: bool) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tiny_game_boy_emulator` (lib) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "94ac65d753b689ab1dde2651b91b651abaa5bdc1d846f4a8fa54d36a5faa9d81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94ac65d753b689ab1dde2651b91b651abaa5bdc1d846f4a8fa54d36a5faa9d81", kill_on_drop: false }` [INFO] [stdout] 94ac65d753b689ab1dde2651b91b651abaa5bdc1d846f4a8fa54d36a5faa9d81