[INFO] cloning repository https://github.com/quirinux/rust-gboy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quirinux/rust-gboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-gboy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-gboy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 929efa98157ea63f0c307053af1334cd1122dfb0 [INFO] checking quirinux/rust-gboy against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-gboy" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... 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[INFO] [stderr] Downloaded tui v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f107caab2ea7d3c94a216ba7a6f920b6aa3c75f72613b90265753ef77dbdac1c [INFO] running `Command { std: "docker" "start" "-a" "f107caab2ea7d3c94a216ba7a6f920b6aa3c75f72613b90265753ef77dbdac1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f107caab2ea7d3c94a216ba7a6f920b6aa3c75f72613b90265753ef77dbdac1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f107caab2ea7d3c94a216ba7a6f920b6aa3c75f72613b90265753ef77dbdac1c", kill_on_drop: false }` [INFO] [stdout] f107caab2ea7d3c94a216ba7a6f920b6aa3c75f72613b90265753ef77dbdac1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87b9dc7104975e641788cf0f42c37ebb4615a85ca66da7bc6629820f17f716f9 [INFO] running `Command { std: "docker" "start" "-a" "87b9dc7104975e641788cf0f42c37ebb4615a85ca66da7bc6629820f17f716f9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking termion v1.5.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking c_vec v1.3.3 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking tui v0.5.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking gboy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LevelFilter`, `Record` [INFO] [stdout] --> src/main.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use log::{Record, LevelFilter}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env_logger::Builder` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use env_logger::Builder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cartridge::*` [INFO] [stdout] --> src/gboy/mod.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use cartridge::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::*` [INFO] [stdout] --> src/gboy/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use util::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Color` [INFO] [stdout] --> src/gboy/debugger/mod.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use tui::style::{Color, Modifier, Style}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::cpu::*` [INFO] [stdout] --> src/gboy/debugger/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use super::cpu::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debugger::*` [INFO] [stdout] --> src/gboy/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use debugger::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::super::*` [INFO] [stdout] --> src/gboy/cpu/optcode.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::super::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::super::*` [INFO] [stdout] --> src/gboy/cpu/debugger.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use super::super::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/gboy/cpu/registers.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | (0b0000_0001 << position) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - (0b0000_0001 << position) [INFO] [stdout] 25 + 0b0000_0001 << position [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::cartridge::*` [INFO] [stdout] --> src/gboy/cpu/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use super::cartridge::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `timer::*` [INFO] [stdout] --> src/gboy/cpu/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use timer::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::Level` [INFO] [stdout] --> src/gboy/cpu/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use log::Level; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cpu::debugger::*` [INFO] [stdout] --> src/gboy/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use cpu::debugger::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread` [INFO] [stdout] --> src/main.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use std::{thread}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LevelFilter`, `Record` [INFO] [stdout] --> src/main.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use log::{Record, LevelFilter}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env_logger::Builder` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use env_logger::Builder; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cartridge::*` [INFO] [stdout] --> src/gboy/mod.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use cartridge::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::*` [INFO] [stdout] --> src/gboy/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use util::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Color` [INFO] [stdout] --> src/gboy/debugger/mod.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use tui::style::{Color, Modifier, Style}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::cpu::*` [INFO] [stdout] --> src/gboy/debugger/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use super::cpu::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debugger::*` [INFO] [stdout] --> src/gboy/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use debugger::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::super::*` [INFO] [stdout] --> src/gboy/cpu/optcode.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::super::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::super::*` [INFO] [stdout] --> src/gboy/cpu/debugger.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use super::super::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/gboy/cpu/registers.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | (0b0000_0001 << position) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - (0b0000_0001 << position) [INFO] [stdout] 25 + 0b0000_0001 << position [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::cartridge::*` [INFO] [stdout] --> src/gboy/cpu/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use super::cartridge::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `timer::*` [INFO] [stdout] --> src/gboy/cpu/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use timer::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::Level` [INFO] [stdout] --> src/gboy/cpu/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use log::Level; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cpu::debugger::*` [INFO] [stdout] --> src/gboy/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use cpu::debugger::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gboy/cpu/timer.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | OptCode::LDNn(RegisterType::A, RegisterType::A) | [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gboy/cpu/mod.rs:36:37 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn initialize(gamerom: Vec, mut debugger: Option>) -> Cpu { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gboy/cpu/mod.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut cartridge = super::cartridge::new(gamerom); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gboy/cpu/mod.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut memory = super::memorybus::new(cartridge); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut debugger : Option> = if opt.debugger { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NONE_LOG_LEVEL` is never used [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const NONE_LOG_LEVEL: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gboy/cpu/debugger.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | CatridgeTitle(String), [INFO] [stdout] | ------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | CatridgeTitle(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Subt` is never constructed [INFO] [stdout] --> src/gboy/cpu/registers.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum FlagRegisterType { [INFO] [stdout] | ---------------- variant in this enum [INFO] [stdout] 11 | Zero, [INFO] [stdout] 12 | Subt, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FlagRegisterType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_half_carry` and `set_carry` are never used [INFO] [stdout] --> src/gboy/cpu/registers.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl FlagRegister { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn set_half_carry(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn set_carry(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `F`, `G`, `PC`, and `CC` are never constructed [INFO] [stdout] --> src/gboy/cpu/registers.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 123 | pub enum RegisterType { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 129 | F, [INFO] [stdout] | ^ [INFO] [stdout] 130 | G, [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 139 | PC, [INFO] [stdout] | ^^ [INFO] [stdout] 140 | SP, [INFO] [stdout] 141 | CC, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `RegisterType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_bitstate` is never used [INFO] [stdout] --> src/gboy/cpu/registers.rs:238:12 [INFO] [stdout] | [INFO] [stdout] 189 | impl Registers { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 238 | pub fn set_bitstate(&mut self, rt: &RegisterType, position: u8) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dec_nn` is never used [INFO] [stdout] --> src/gboy/cpu/instructions.rs:198:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 198 | fn dec_nn(&mut self, rt: RegisterType) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gboy/debugger/mod.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | self.render(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = self.render(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gboy/debugger/mod.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | self.render(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 145 | let _ = self.render(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gboy/debugger/mod.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | self.render(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 152 | let _ = self.render(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/gboy/cpu/timer.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | OptCode::LDNn(RegisterType::A, RegisterType::A) | [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gboy/cpu/mod.rs:36:37 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn initialize(gamerom: Vec, mut debugger: Option>) -> Cpu { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gboy/cpu/mod.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut cartridge = super::cartridge::new(gamerom); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/gboy/cpu/mod.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut memory = super::memorybus::new(cartridge); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut debugger : Option> = if opt.debugger { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NONE_LOG_LEVEL` is never used [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const NONE_LOG_LEVEL: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gboy/cpu/debugger.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | CatridgeTitle(String), [INFO] [stdout] | ------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | CatridgeTitle(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Subt` is never constructed [INFO] [stdout] --> src/gboy/cpu/registers.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum FlagRegisterType { [INFO] [stdout] | ---------------- variant in this enum [INFO] [stdout] 11 | Zero, [INFO] [stdout] 12 | Subt, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FlagRegisterType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_half_carry` and `set_carry` are never used [INFO] [stdout] --> src/gboy/cpu/registers.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl FlagRegister { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn set_half_carry(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn set_carry(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `F`, `G`, `PC`, and `CC` are never constructed [INFO] [stdout] --> src/gboy/cpu/registers.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 123 | pub enum RegisterType { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 129 | F, [INFO] [stdout] | ^ [INFO] [stdout] 130 | G, [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 139 | PC, [INFO] [stdout] | ^^ [INFO] [stdout] 140 | SP, [INFO] [stdout] 141 | CC, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `RegisterType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_bitstate` is never used [INFO] [stdout] --> src/gboy/cpu/registers.rs:238:12 [INFO] [stdout] | [INFO] [stdout] 189 | impl Registers { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 238 | pub fn set_bitstate(&mut self, rt: &RegisterType, position: u8) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dec_nn` is never used [INFO] [stdout] --> src/gboy/cpu/instructions.rs:198:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 198 | fn dec_nn(&mut self, rt: RegisterType) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gboy/debugger/mod.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | self.render(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 139 | let _ = self.render(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gboy/debugger/mod.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | self.render(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 145 | let _ = self.render(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/gboy/debugger/mod.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | self.render(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 152 | let _ = self.render(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 30 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.81s [INFO] running `Command { std: "docker" "inspect" "87b9dc7104975e641788cf0f42c37ebb4615a85ca66da7bc6629820f17f716f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87b9dc7104975e641788cf0f42c37ebb4615a85ca66da7bc6629820f17f716f9", kill_on_drop: false }` [INFO] [stdout] 87b9dc7104975e641788cf0f42c37ebb4615a85ca66da7bc6629820f17f716f9 [INFO] checking quirinux/rust-gboy against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquirinux%2Frust-gboy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/quirinux/rust-gboy on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/quirinux/rust-gboy [INFO] finished tweaking git repo https://github.com/quirinux/rust-gboy [INFO] tweaked toml for git repo https://github.com/quirinux/rust-gboy written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/quirinux/rust-gboy 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e15a9549a0dac8af0b03d665424927deafb8859027e035bee913db54bee0294 [INFO] running `Command { std: "docker" "start" "-a" "4e15a9549a0dac8af0b03d665424927deafb8859027e035bee913db54bee0294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e15a9549a0dac8af0b03d665424927deafb8859027e035bee913db54bee0294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e15a9549a0dac8af0b03d665424927deafb8859027e035bee913db54bee0294", kill_on_drop: false }` [INFO] [stdout] 4e15a9549a0dac8af0b03d665424927deafb8859027e035bee913db54bee0294 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0458414a4aa6f71c905feb5952697ad5168909de246cd0bcb1f944d382b98960 [INFO] running `Command { std: "docker" "start" "-a" "0458414a4aa6f71c905feb5952697ad5168909de246cd0bcb1f944d382b98960", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking termion v1.5.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking c_vec v1.3.3 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking tui v0.5.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sdl2-0.32.2/src/sdl2/render.rs:214:17 [INFO] [stdout] | [INFO] [stdout] 214 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.2.1/src/exec.rs:797:13 [INFO] [stdout] | [INFO] [stdout] 797 | / match dfa::Fsm::reverse( [INFO] [stdout] 798 | | &self.ro.dfa_reverse, [INFO] [stdout] 799 | | self.cache, [INFO] [stdout] 800 | | false, [INFO] [stdout] ... | [INFO] [stdout] 811 | | Quit => return Some(Quit), [INFO] [stdout] 812 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sdl2` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0458414a4aa6f71c905feb5952697ad5168909de246cd0bcb1f944d382b98960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0458414a4aa6f71c905feb5952697ad5168909de246cd0bcb1f944d382b98960", kill_on_drop: false }` [INFO] [stdout] 0458414a4aa6f71c905feb5952697ad5168909de246cd0bcb1f944d382b98960