Fix CI build

Signed-off-by: Aaron Erhardt <aaron.erhardt@t-online.de>

Author: AaronErhardt

README.md

@@ -546,7 +546,7 @@ It is pure Rust, and easier to cross compile.
 To use this, you *must* call `plotters::style::register_font` before
 using any `plotters` functions which require the ability to render text.
 This function only exists when the `ab_glyph` feature is enabled.
-```rust
+```rust,ignore
 /// Register a font in the fonts table.
 ///
 /// The `name` parameter gives the name this font shall be referred to

doc-template/readme.template.md

@@ -289,7 +289,7 @@ It is pure Rust, and easier to cross compile.
 To use this, you *must* call `plotters::style::register_font` before
 using any `plotters` functions which require the ability to render text.
 This function only exists when the `ab_glyph` feature is enabled.
-```rust
+```rust,ignore
 /// Register a font in the fonts table.
 ///
 /// The `name` parameter gives the name this font shall be referred to

plotters/src/lib.rs

@@ -686,7 +686,7 @@ It is pure Rust, and easier to cross compile.
 To use this, you *must* call `plotters::style::register_font` before
 using any `plotters` functions which require the ability to render text.
 This function only exists when the `ab_glyph` feature is enabled.
-```rust
+```rust,ignore
 /// Register a font in the fonts table.
 ///
 /// The `name` parameter gives the name this font shall be referred to

plotters/src/style/font/ttf.rs

@@ -83,7 +83,7 @@ impl FontExt {
         };
         let face = unsafe {
             std::mem::transmute::<_, Option<Face<'static>>>(
-                ttf_parser::Face::from_slice(data, idx).ok(),
+                ttf_parser::Face::parse(data, idx).ok(),
             )
         };
         Self { inner: font, face }