Replace cargo machete with cargo shear (#8094)

We've had good experiences with `cargo shear` at Rerun

.github/workflows/cargo_machete.yml

@@ -1,19 +0,0 @@
-name: Cargo Machete
-
-on: [push, pull_request]
-
-jobs:
-  cargo-machete:
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
-    steps:
-      - uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: 1.92
-      - name: Machete install
-        ## The official cargo-machete action
-        uses: bnjbvr/cargo-machete@v0.9.1
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Machete Check
-        run: cargo machete

.github/workflows/cargo_shear.yml

@@ -0,0 +1,25 @@
+# Looks for unused crates.
+name: Cargo Shear
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  cargo-shear:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Cargo Shear
+        uses: taiki-e/install-action@v2.48.7
+        with:
+          tool: cargo-shear@1.11.2
+
+      - name: Run Cargo Shear
+        run: |
+          cargo shear

Cargo.lock

@@ -1375,8 +1375,6 @@ dependencies = [
  "log",
  "memoffset",
  "profiling",
- "wasm-bindgen",
- "web-sys",
  "winit",
 ]
 

crates/egui-winit/Cargo.toml

@@ -20,6 +20,9 @@ workspace = true
 all-features = true
 rustdoc-args = ["--generate-link-to-definition"]
 
+[package.metadata.cargo-shear]
+ignored = ["wayland-cursor"] # TODO(emilk): remove when we update winit
+
 [features]
 default = ["clipboard", "links", "wayland", "winit/default", "x11"]
 

crates/egui_demo_app/Cargo.toml

@@ -8,8 +8,8 @@ rust-version.workspace = true
 publish = false
 default-run = "egui_demo_app"
 
-[package.metadata.cargo-machete]
-ignored = ["profiling"]
+[package.metadata.cargo-shear]
+ignored = ["image", "profiling", "wasm-bindgen-futures"]
 
 [lints]
 workspace = true

crates/egui_demo_lib/Cargo.toml

@@ -20,6 +20,9 @@ workspace = true
 all-features = true
 rustdoc-args = ["--generate-link-to-definition"]
 
+[package.metadata.cargo-shear]
+ignored = ["image"] # We need the png feature
+
 [lib]
 
 

crates/egui_glow/Cargo.toml

@@ -66,10 +66,6 @@ document-features = { workspace = true, optional = true }
 # Native:
 winit = { workspace = true, optional = true, default-features = false, features = ["rwh_06"] }
 
-# Web:
-[target.'cfg(target_arch = "wasm32")'.dependencies]
-web-sys = { workspace = true, features = ["console"] }
-wasm-bindgen.workspace = true
 
 [dev-dependencies]
 glutin = { workspace = true, default-features = true } # examples/pure_glow

examples/custom_style/Cargo.toml

@@ -10,8 +10,8 @@ publish = false
 workspace = true
 
 
-[package.metadata.cargo-machete]
-ignored = ["image"] # We need the .png feature
+[package.metadata.cargo-shear]
+ignored = ["image"] # We need the png feature
 
 
 [dependencies]

examples/hello_world_par/Cargo.toml

@@ -11,7 +11,7 @@ publish = false
 workspace = true
 
 
-[package.metadata.cargo-machete]
+[package.metadata.cargo-shear]
 ignored = ["winit"] # Just enable some features of it; see below
 
 

examples/images/Cargo.toml

@@ -11,7 +11,7 @@ publish = false
 workspace = true
 
 
-[package.metadata.cargo-machete]
+[package.metadata.cargo-shear]
 ignored = ["image"] # We only use the dependency to add more features to it
 
 

examples/puffin_profiler/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2024"
 rust-version = "1.92"
 publish = false
 
-[package.metadata.cargo-machete]
+[package.metadata.cargo-shear]
 ignored = ["profiling"]
 
 [lints]

tests/egui_tests/Cargo.toml

@@ -5,6 +5,9 @@ license.workspace = true
 rust-version.workspace = true
 version.workspace = true
 
+[package.metadata.cargo-shear]
+ignored = ["image"] # We need the png feature
+
 [dev-dependencies]
 egui = { workspace = true, default-features = true }
 egui_kittest = { workspace = true, features = ["snapshot", "wgpu"] }

tests/test_egui_extras_compilation/Cargo.toml

@@ -9,7 +9,7 @@ publish = false
 [lints]
 workspace = true
 
-[package.metadata.cargo-machete]
+[package.metadata.cargo-shear]
 ignored = ["eframe", "egui_extras"] # We don't use them, just check that things compile
 
 [dependencies]