MSRV fixes

Author: mmastrac

CHANGELOG.md

@@ -4,6 +4,11 @@ All user visible changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/), as described
 for Rust libraries in [RFC #1105](https://github.com/rust-lang/rfcs/blob/master/text/1105-api-evolution.md)
 
+## 2.3.1 - 2025-07-06
+
+ * Remove `display()` call in `build.rs` that would require MSRV 1.88.
+ * Bump MSRV to 1.77 (it was previously 1.56 but was not tested).
+
 ## 2.3.0 - 2025-07-05
 
  * Add support for `extract` in pattern definitions, allowing the `extract` in

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "grok"
-version = "2.3.0"
+version = "2.3.1"
 authors = ["Matt Mastracci <[email protected]>", "Michael Nitschinger <[email protected]>"]
 license = "Apache-2.0"
 readme = "README.md"
@@ -15,7 +15,7 @@ patterns.
 categories = ["text-processing"]
 build = "build.rs"
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.77"
 
 [features]
 default = ["onig"]

build.rs

@@ -81,7 +81,7 @@ fn main() {
             .first()
             .unwrap()
             .2
-            .display()
+            .to_string_lossy()
             .to_string()
             .replace('-', "_");
         fmt::write(&mut output, format_args!("\npub mod {name} {{\n")).unwrap();