[INFO] cloning repository https://github.com/audiodog301/learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/audiodog301/learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Flearning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Flearning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 380867b7e3616f7d9f948343c7958ad66bb1951b [INFO] checking audiodog301/learning against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Flearning" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/audiodog301/learning on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/audiodog301/learning [INFO] finished tweaking git repo https://github.com/audiodog301/learning [INFO] tweaked toml for git repo https://github.com/audiodog301/learning written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/audiodog301/learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d645892d3fc57760d6e01bc53ce2c3dadcffaf2832b659652eefbd83928e2a34 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d645892d3fc57760d6e01bc53ce2c3dadcffaf2832b659652eefbd83928e2a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d645892d3fc57760d6e01bc53ce2c3dadcffaf2832b659652eefbd83928e2a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d645892d3fc57760d6e01bc53ce2c3dadcffaf2832b659652eefbd83928e2a34", kill_on_drop: false }` [INFO] [stdout] d645892d3fc57760d6e01bc53ce2c3dadcffaf2832b659652eefbd83928e2a34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ec2bc91edb4d84255bb8e2455b340461c32ad075559e4f6090c611c28ef3f2d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0ec2bc91edb4d84255bb8e2455b340461c32ad075559e4f6090c611c28ef3f2d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking smallvec v1.5.0 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking ttf-parser v0.8.3 [INFO] [stderr] Checking bit-vec v0.6.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking iced_core v0.3.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking inplace_it v0.3.2 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking xi-unicode v0.3.0 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Checking copyless v0.1.5 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling winit v0.23.0 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking svg_fmt v0.4.1 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling cpal v0.13.1 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling glam v0.10.2 [INFO] [stderr] Checking libloading v0.6.5 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking iced_style v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking ash v0.31.0 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] Checking wgpu-types v0.6.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling pathfinder_simd v0.5.0 [INFO] [stderr] Compiling wayland-sys v0.28.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling alsa-sys v0.3.0 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Compiling wayland-scanner v0.28.2 [INFO] [stderr] Checking andrew v0.3.1 [INFO] [stderr] Checking owned_ttf_parser v0.8.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking ab_glyph v0.2.6 [INFO] [stderr] Checking pathfinder_geometry v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling xcb v0.9.0 [INFO] [stderr] Checking spirv_headers v1.5.0 [INFO] [stderr] Checking approx v0.4.0 [INFO] [stderr] Checking ordered-float v1.1.0 [INFO] [stderr] Checking euclid v0.22.1 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.36 [INFO] [stderr] Checking glyph_brush_layout v0.2.1 [INFO] [stderr] Checking gfx-hal v0.6.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking guillotiere v0.6.0 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling wayland-client v0.28.2 [INFO] [stderr] Compiling wayland-protocols v0.28.2 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking twox-hash v1.6.0 [INFO] [stderr] Checking freetype v0.4.1 [INFO] [stderr] Checking servo-fontconfig v0.4.0 [INFO] [stderr] Checking font-kit v0.8.0 [INFO] [stderr] Checking gfx-memory v0.2.2 [INFO] [stderr] Checking gfx-backend-empty v0.6.0 [INFO] [stderr] Checking gfx-descriptor v0.2.0 [INFO] [stderr] Checking glyph_brush_draw_cache v0.1.3 [INFO] [stderr] Checking glyph_brush v0.7.0 [INFO] [stderr] Checking alsa v0.4.3 [INFO] [stderr] Checking wayland-commons v0.28.2 [INFO] [stderr] Checking calloop v0.6.5 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking wayland-cursor v0.28.2 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling bytemuck_derive v1.0.1 [INFO] [stderr] Compiling zerocopy-derive v0.2.0 [INFO] [stderr] Checking clipboard_x11 v0.1.0 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Checking zerocopy v0.3.0 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking naga v0.2.0 [INFO] [stderr] Checking gfx-backend-vulkan v0.6.5 [INFO] [stderr] Checking wgpu-core v0.6.5 [INFO] [stderr] Checking smithay-client-toolkit v0.12.0 [INFO] [stderr] Checking smithay-clipboard v0.6.1 [INFO] [stderr] Checking clipboard_wayland v0.1.2 [INFO] [stderr] Checking window_clipboard v0.1.3 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking futures v0.3.8 [INFO] [stderr] Checking iced_futures v0.2.0 [INFO] [stderr] Checking iced_native v0.3.0 [INFO] [stderr] Checking iced_graphics v0.1.0 [INFO] [stderr] Checking iced_winit v0.2.0 [INFO] [stderr] Checking wgpu v0.6.2 [INFO] [stderr] Checking wgpu_glyph v0.10.0 [INFO] [stderr] Checking iced_wgpu v0.3.0 [INFO] [stderr] Checking iced v0.2.0 [INFO] [stderr] Checking learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 162 | loop {} [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 163 | [INFO] [stdout] 164 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_rate` [INFO] [stdout] --> src/main.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | let sample_rate = config.sample_rate.0 as f32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_frequency` [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | fn set_frequency(&mut self, freq: &f32) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Voice` [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct Voice { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `note_on` [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn note_on(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `note_off` [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn note_off(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_freq` [INFO] [stdout] --> src/main.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | fn set_freq(&mut self, freq: &f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Poly` [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct Poly { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_sample` [INFO] [stdout] --> src/main.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_sample(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_note` [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn new_note(&mut self, frequency: &f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 162 | loop {} [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 163 | [INFO] [stdout] 164 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_rate` [INFO] [stdout] --> src/main.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | let sample_rate = config.sample_rate.0 as f32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_frequency` [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | fn set_frequency(&mut self, freq: &f32) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Voice` [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct Voice { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `note_on` [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | fn note_on(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `note_off` [INFO] [stdout] --> src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn note_off(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_freq` [INFO] [stdout] --> src/main.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | fn set_freq(&mut self, freq: &f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Poly` [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct Poly { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_sample` [INFO] [stdout] --> src/main.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_sample(&mut self) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new_note` [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn new_note(&mut self, frequency: &f32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 16s [INFO] running `Command { std: "docker" "inspect" "0ec2bc91edb4d84255bb8e2455b340461c32ad075559e4f6090c611c28ef3f2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ec2bc91edb4d84255bb8e2455b340461c32ad075559e4f6090c611c28ef3f2d", kill_on_drop: false }` [INFO] [stdout] 0ec2bc91edb4d84255bb8e2455b340461c32ad075559e4f6090c611c28ef3f2d