[INFO] cloning repository https://github.com/avl/rust-llvm12-regression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avl/rust-llvm12-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Frust-llvm12-regression", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Frust-llvm12-regression'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62040fe6f1e7232df719731da4764a5fd2fcb64d [INFO] checking avl/rust-llvm12-regression against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Frust-llvm12-regression" "/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/avl/rust-llvm12-regression on toolchain 84e729a59f216cc64755788a470f165429a731f4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/avl/rust-llvm12-regression [INFO] finished tweaking git repo https://github.com/avl/rust-llvm12-regression [INFO] tweaked toml for git repo https://github.com/avl/rust-llvm12-regression written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/avl/rust-llvm12-regression 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded notify v4.0.17 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded instant v0.1.10 [INFO] [stderr] Downloaded redox_syscall v0.2.9 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.20 [INFO] [stderr] Downloaded thiserror-impl v1.0.26 [INFO] [stderr] Downloaded addr2line v0.15.2 [INFO] [stderr] Downloaded object v0.24.0 [INFO] [stderr] Downloaded syn v1.0.73 [INFO] [stderr] Downloaded libc v0.2.98 [INFO] [stderr] Downloaded nom v6.2.1 [INFO] [stderr] Downloaded gimli v0.24.0 [INFO] [stderr] Downloaded backtrace v0.3.59 [INFO] [stderr] Downloaded cc v1.0.69 [INFO] [stderr] Downloaded thiserror v1.0.26 [INFO] [stderr] Downloaded once_cell v1.8.0 [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" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc3fd057602d3ec3dd0d99d6c827c1f9735474c0d027cb034001a454fa9b202b [INFO] running `Command { std: "docker" "start" "-a" "dc3fd057602d3ec3dd0d99d6c827c1f9735474c0d027cb034001a454fa9b202b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc3fd057602d3ec3dd0d99d6c827c1f9735474c0d027cb034001a454fa9b202b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc3fd057602d3ec3dd0d99d6c827c1f9735474c0d027cb034001a454fa9b202b", kill_on_drop: false }` [INFO] [stdout] dc3fd057602d3ec3dd0d99d6c827c1f9735474c0d027cb034001a454fa9b202b [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" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 341e3b7ed75c134108eaa2d4fc2c1cc1643b62c4f9c76f9e8ebe4ae3b1158db1 [INFO] running `Command { std: "docker" "start" "-a" "341e3b7ed75c134108eaa2d4fc2c1cc1643b62c4f9c76f9e8ebe4ae3b1158db1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking libloading v0.7.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking dlib v0.5.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Compiling glutin_glx_sys v0.1.7 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Compiling glutin_egl_sys v0.1.5 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking andrew v0.3.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking memmap2 v0.1.0 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling winit v0.23.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling glium v0.28.0 [INFO] [stderr] Checking object v0.24.0 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking takeable-option v0.5.0 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking wayland-commons v0.28.6 [INFO] [stderr] Checking calloop v0.6.5 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Checking wayland-cursor v0.28.6 [INFO] [stderr] Checking wayland-egl v0.28.6 [INFO] [stderr] Checking smithay-client-toolkit v0.12.3 [INFO] [stderr] Checking glutin v0.25.1 [INFO] [stderr] Checking llvm12problem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{time, thread}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError` [INFO] [stdout] --> src/main.rs:12:32 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc::{channel, TryRecvError, Sender}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::notify::Watcher` [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | use self::notify::Watcher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdtx` [INFO] [stdout] --> src/main.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdtx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdrx` [INFO] [stdout] --> src/main.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdrx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/main.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | let (tx, rx) = channel(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [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: unused variable: `size` [INFO] [stdout] --> src/main.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn read(size: usize, _: F) -> Result where F: FnOnce(&mut Self) -> Result<(), E> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/main.rs:72:39 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `agent_count` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let agent_count = 1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_agent_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TkWatcher { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | sender: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TkWatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `observed_heights` is never read [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ObservedHeight { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 42 | observed_heights: [f32], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:59:50 [INFO] [stdout] | [INFO] [stdout] 59 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:81:50 [INFO] [stdout] | [INFO] [stdout] 81 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{time, thread}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError` [INFO] [stdout] --> src/main.rs:12:32 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc::{channel, TryRecvError, Sender}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::notify::Watcher` [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | use self::notify::Watcher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdtx` [INFO] [stdout] --> src/main.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdtx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdrx` [INFO] [stdout] --> src/main.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdrx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/main.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | let (tx, rx) = channel(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [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: unused variable: `size` [INFO] [stdout] --> src/main.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn read(size: usize, _: F) -> Result where F: FnOnce(&mut Self) -> Result<(), E> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/main.rs:72:39 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `agent_count` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let agent_count = 1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_agent_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TkWatcher { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | sender: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TkWatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `observed_heights` is never read [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ObservedHeight { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 42 | observed_heights: [f32], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:59:50 [INFO] [stdout] | [INFO] [stdout] 59 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:81:50 [INFO] [stdout] | [INFO] [stdout] 81 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.87s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "341e3b7ed75c134108eaa2d4fc2c1cc1643b62c4f9c76f9e8ebe4ae3b1158db1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "341e3b7ed75c134108eaa2d4fc2c1cc1643b62c4f9c76f9e8ebe4ae3b1158db1", kill_on_drop: false }` [INFO] [stdout] 341e3b7ed75c134108eaa2d4fc2c1cc1643b62c4f9c76f9e8ebe4ae3b1158db1 [INFO] checking avl/rust-llvm12-regression against try#8d9ad7790f77ffaa434059a58807949d4583c045 for pr-123737-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favl%2Frust-llvm12-regression" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avl/rust-llvm12-regression on toolchain 8d9ad7790f77ffaa434059a58807949d4583c045 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d9ad7790f77ffaa434059a58807949d4583c045" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/avl/rust-llvm12-regression [INFO] finished tweaking git repo https://github.com/avl/rust-llvm12-regression [INFO] tweaked toml for git repo https://github.com/avl/rust-llvm12-regression written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/avl/rust-llvm12-regression 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" "+8d9ad7790f77ffaa434059a58807949d4583c045" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8d9ad7790f77ffaa434059a58807949d4583c045" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74596bf014efe8e404457d9432ebb502f5ea6d444b7fbfba939c09698a8c0f77 [INFO] running `Command { std: "docker" "start" "-a" "74596bf014efe8e404457d9432ebb502f5ea6d444b7fbfba939c09698a8c0f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74596bf014efe8e404457d9432ebb502f5ea6d444b7fbfba939c09698a8c0f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74596bf014efe8e404457d9432ebb502f5ea6d444b7fbfba939c09698a8c0f77", kill_on_drop: false }` [INFO] [stdout] 74596bf014efe8e404457d9432ebb502f5ea6d444b7fbfba939c09698a8c0f77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8d9ad7790f77ffaa434059a58807949d4583c045" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05b8c5174e170feec25c2f73a85df44d1a99a72a5d985c9fed57ed6dcfc11abd [INFO] running `Command { std: "docker" "start" "-a" "05b8c5174e170feec25c2f73a85df44d1a99a72a5d985c9fed57ed6dcfc11abd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking libloading v0.7.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking dlib v0.5.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Compiling glutin_egl_sys v0.1.5 [INFO] [stderr] Compiling glutin_glx_sys v0.1.7 [INFO] [stderr] Checking andrew v0.3.1 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking memmap2 v0.1.0 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling winit v0.23.0 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling glium v0.28.0 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Checking object v0.24.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking calloop v0.6.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking takeable-option v0.5.0 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking wayland-commons v0.28.6 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Checking wayland-cursor v0.28.6 [INFO] [stderr] Checking wayland-egl v0.28.6 [INFO] [stderr] Checking smithay-client-toolkit v0.12.3 [INFO] [stderr] Checking glutin v0.25.1 [INFO] [stderr] Checking llvm12problem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{time, thread}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError` [INFO] [stdout] --> src/main.rs:12:32 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc::{channel, TryRecvError, Sender}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time` [INFO] [stdout] --> src/main.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{time, thread}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError` [INFO] [stdout] --> src/main.rs:12:32 [INFO] [stdout] | [INFO] [stdout] 12 | use std::sync::mpsc::{channel, TryRecvError, Sender}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::notify::Watcher` [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | use self::notify::Watcher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdtx` [INFO] [stdout] --> src/main.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdtx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdrx` [INFO] [stdout] --> src/main.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdrx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/main.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | let (tx, rx) = channel(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::notify::Watcher` [INFO] [stdout] --> src/main.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | use self::notify::Watcher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [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: unused variable: `size` [INFO] [stdout] --> src/main.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn read(size: usize, _: F) -> Result where F: FnOnce(&mut Self) -> Result<(), E> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/main.rs:72:39 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `agent_count` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let agent_count = 1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_agent_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdtx` [INFO] [stdout] --> src/main.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdtx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TkWatcher { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | sender: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TkWatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `observed_heights` is never read [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ObservedHeight { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 42 | observed_heights: [f32], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cmdrx` [INFO] [stdout] --> src/main.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 23 | let (cmdtx, cmdrx) = channel::>>(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmdrx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/main.rs:24:18 [INFO] [stdout] | [INFO] [stdout] 24 | let (tx, rx) = channel(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut watcher: notify::RecommendedWatcher = notify::Watcher::new(tx, Duration::from_secs(1)).unwrap(); [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: unused variable: `size` [INFO] [stdout] --> src/main.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn read(size: usize, _: F) -> Result where F: FnOnce(&mut Self) -> Result<(), E> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ptr` [INFO] [stdout] --> src/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ptr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/main.rs:72:39 [INFO] [stdout] | [INFO] [stdout] 72 | fn ref_from_ptr<'a>(ptr: *mut (), size: usize) -> Option<*mut Self> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `watcher` [INFO] [stdout] --> src/main.rs:105:13 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `agent_count` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let agent_count = 1; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_agent_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut watcher = TkWatcher::start(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:59:50 [INFO] [stdout] | [INFO] [stdout] 59 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:81:50 [INFO] [stdout] | [INFO] [stdout] 81 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TkWatcher { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 16 | sender: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TkWatcher` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `observed_heights` is never read [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ObservedHeight { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 42 | observed_heights: [f32], [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:59:50 [INFO] [stdout] | [INFO] [stdout] 59 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `&ObservedHeight` does not permit zero-initialization [INFO] [stdout] --> src/main.rs:81:50 [INFO] [stdout] | [INFO] [stdout] 81 | let fake_ptr: &ObservedHeight = unsafe { mem::transmute((0usize, 0usize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: references must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.56s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "05b8c5174e170feec25c2f73a85df44d1a99a72a5d985c9fed57ed6dcfc11abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05b8c5174e170feec25c2f73a85df44d1a99a72a5d985c9fed57ed6dcfc11abd", kill_on_drop: false }` [INFO] [stdout] 05b8c5174e170feec25c2f73a85df44d1a99a72a5d985c9fed57ed6dcfc11abd