Configure snippets renderer to match rustc/Cargo style

Author: kornelski

src/cargo/core/shell.rs

@@ -415,7 +415,11 @@ impl Shell {
         writeln!(
             self.err(),
             "{}",
-            Renderer::styled().term_width(term_width).render(message)
+            Renderer::styled()
+                .note(NOTE)
+                .help(HELP)
+                .term_width(term_width)
+                .render(message)
         )
     }
 }

src/cargo/util/style.rs

@@ -8,6 +8,7 @@ pub const PLACEHOLDER: Style = AnsiColor::Cyan.on_default();
 pub const ERROR: Style = AnsiColor::Red.on_default().effects(Effects::BOLD);
 pub const WARN: Style = AnsiColor::Yellow.on_default().effects(Effects::BOLD);
 pub const NOTE: Style = AnsiColor::Cyan.on_default().effects(Effects::BOLD);
+pub const HELP: Style = AnsiColor::Cyan.on_default().effects(Effects::BOLD);
 pub const GOOD: Style = AnsiColor::Green.on_default().effects(Effects::BOLD);
 pub const VALID: Style = AnsiColor::Cyan.on_default().effects(Effects::BOLD);
 pub const INVALID: Style = AnsiColor::Yellow.on_default().effects(Effects::BOLD);