[INFO] cloning repository https://github.com/mdu02/ferric-8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdu02/ferric-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5cbcb687d15d6576d8b9e4c9f7229b450e5b1d4 [INFO] checking mdu02/ferric-8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdu02%2Fferric-8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mdu02/ferric-8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mdu02/ferric-8 [INFO] finished tweaking git repo https://github.com/mdu02/ferric-8 [INFO] tweaked toml for git repo https://github.com/mdu02/ferric-8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mdu02/ferric-8 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e34228e155b132d3c23ee5aa4e484dd50dfc310e3e59b5a2e928c05ed6ba0cf [INFO] running `Command { std: "docker" "start" "-a" "4e34228e155b132d3c23ee5aa4e484dd50dfc310e3e59b5a2e928c05ed6ba0cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e34228e155b132d3c23ee5aa4e484dd50dfc310e3e59b5a2e928c05ed6ba0cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e34228e155b132d3c23ee5aa4e484dd50dfc310e3e59b5a2e928c05ed6ba0cf", kill_on_drop: false }` [INFO] [stdout] 4e34228e155b132d3c23ee5aa4e484dd50dfc310e3e59b5a2e928c05ed6ba0cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 838f03c5430b450f12edc9e4fe8a816a5fe02b7a5e8f9c5a3b6516e31865a7a9 [INFO] running `Command { std: "docker" "start" "-a" "838f03c5430b450f12edc9e4fe8a816a5fe02b7a5e8f9c5a3b6516e31865a7a9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling sdl2 v0.34.5 [INFO] [stderr] Compiling sdl2-sys v0.34.5 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking ferric-8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/cpu.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/speaker.rs:50:20 [INFO] [stdout] | [INFO] [stdout] 50 | 0.0...0.5 => self.volume, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/cpu.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/speaker.rs:50:20 [INFO] [stdout] | [INFO] [stdout] 50 | 0.0...0.5 => self.volume, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut v_regs:[ByteRegister; 16] = [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/cpu.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | let mut stack_regs:[WordRegister; 17] = [WordRegister::new(String::from("dummy")), [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/byte_register.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut reg : ByteRegister = ByteRegister { value: 0, name}; [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/word_register.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut reg : WordRegister = WordRegister { value: 0, name}; [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:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut speaker = Speaker::new(sdl); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `write_word` and `core_dump` are never used [INFO] [stdout] --> src/ram.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl RAM { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn write_word(&mut self, adr: u16, val: u16) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn core_dump(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/byte_register.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct ByteRegister { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 2 | value: u8, [INFO] [stdout] 3 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/word_register.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct WordRegister { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 2 | value: u16, [INFO] [stdout] 3 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `increment_reg` and `decrement_reg` are never used [INFO] [stdout] --> src/word_register.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl WordRegister { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn increment_reg(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn decrement_reg(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_to_console` is never used [INFO] [stdout] --> src/graphics_buffer.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl GraphicsBuffer{ [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn draw_to_console(&self){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/graphics_buffer.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | / canvas.fill_rect( [INFO] [stdout] 54 | | Rect::new((PIXEL_WIDTH * i as u32) as i32, (PIXEL_WIDTH * j as u32) as i32, [INFO] [stdout] 55 | | PIXEL_WIDTH, PIXEL_WIDTH) [INFO] [stdout] 56 | | ); [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] 53 | let _ = canvas.fill_rect( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut v_regs:[ByteRegister; 16] = [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/cpu.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | let mut stack_regs:[WordRegister; 17] = [WordRegister::new(String::from("dummy")), [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/cpu.rs:304:13 [INFO] [stdout] | [INFO] [stdout] 304 | let mut ram = RAM::new(); [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/byte_register.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut reg : ByteRegister = ByteRegister { value: 0, name}; [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/word_register.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut reg : WordRegister = WordRegister { value: 0, name}; [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/graphics_buffer.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut gfx = GraphicsBuffer::new(); [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:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut speaker = Speaker::new(sdl); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `core_dump` is never used [INFO] [stdout] --> src/ram.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl RAM { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn core_dump(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ret_test` is never used [INFO] [stdout] --> src/cpu.rs:333:8 [INFO] [stdout] | [INFO] [stdout] 333 | fn ret_test() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/byte_register.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct ByteRegister { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 2 | value: u8, [INFO] [stdout] 3 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/word_register.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct WordRegister { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 2 | value: u16, [INFO] [stdout] 3 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw_to_console` is never used [INFO] [stdout] --> src/graphics_buffer.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl GraphicsBuffer{ [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn draw_to_console(&self){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/graphics_buffer.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | / canvas.fill_rect( [INFO] [stdout] 54 | | Rect::new((PIXEL_WIDTH * i as u32) as i32, (PIXEL_WIDTH * j as u32) as i32, [INFO] [stdout] 55 | | PIXEL_WIDTH, PIXEL_WIDTH) [INFO] [stdout] 56 | | ); [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] 53 | let _ = canvas.fill_rect( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s [INFO] running `Command { std: "docker" "inspect" "838f03c5430b450f12edc9e4fe8a816a5fe02b7a5e8f9c5a3b6516e31865a7a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "838f03c5430b450f12edc9e4fe8a816a5fe02b7a5e8f9c5a3b6516e31865a7a9", kill_on_drop: false }` [INFO] [stdout] 838f03c5430b450f12edc9e4fe8a816a5fe02b7a5e8f9c5a3b6516e31865a7a9