Switch default of cache-on-failure to true

README.md

@@ -53,12 +53,14 @@ Afterward, the `components` and `target` specified via inputs are installed in a
 | `toolchain`        | Rustup toolchain specifier e.g. `stable`, `nightly`, `1.42.0`.                         | stable        |
 | `target`           | Additional target support to install e.g. `wasm32-unknown-unknown`                     |               |
 | `components`       | Comma-separated string of additional components to install e.g. `clippy, rustfmt`      |               |
-| `cache`            | Automatically configure Rust cache (using `Swatinem/rust-cache`)                       | true          |
-| `cache-workspaces` | Propagates the value to `Swatinem/rust-cache`                                          |               |
-| `cache-on-failure` | Propagates the value to `Swatinem/rust-cache`                                          |               |
+| `cache`            | Automatically configure Rust cache (using [`Swatinem/rust-cache`])                     | true          |
+| `cache-workspaces` | Propagates the value to [`Swatinem/rust-cache`]                                        |               |
+| `cache-on-failure` | Propagates the value to [`Swatinem/rust-cache`]                                        | true          |
 | `matcher`          | Enable problem matcher to surface build messages and formatting issues                 | true          |
 | `rustflags`        | Set the value of `RUSTFLAGS` (set to empty string to avoid overwriting existing flags) | "-D warnings" |
 
+[`Swatinem/rust-cache`]: https://github.com/Swatinem/rust-cache
+
 ### RUSTFLAGS
 
 By default, this action sets the `RUSTFLAGS` environment variable to `-D warnings`.

action.yml

@@ -30,7 +30,7 @@ inputs:
     required: false
   cache-on-failure:
     description: "Also cache on workflow failures"
-    default: "false"
+    default: "true"
     required: false
   matcher:
     description: "Enable the Rust problem matcher"