From f2a06ddf4bcee9a12721cf1fceec2a8c30fdbc67 Mon Sep 17 00:00:00 2001
From: Marshall Pierce <575695+marshallpierce@users.noreply.github.com>
Date: Sat, 26 Aug 2023 05:32:23 -0600
Subject: [PATCH] Misc cleanups

- Tweak TryFrom usage
- Add beta to CI to catch clippy changes sooner
- Apply updated MSRV to clippy.toml
---
 .circleci/config.yml | 1 +
 RELEASE-NOTES.md     | 5 +++++
 clippy.toml          | 2 +-
 src/alphabet.rs      | 6 +++---
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 79d534c..9e4b9ce 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,6 +22,7 @@ workflows:
                 '__msrv__', # won't add any other toolchains, just uses what's in the docker image
                 '1.60.0', # minimum needed to build dev-dependencies
                 'stable',
+                'beta',
                 'nightly'
               ]
 
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 485d979..51c1616 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1,3 +1,8 @@
+# 0.21.3
+
+- Implement `source` instead of `cause` on Error types
+- Roll back MSRV to 1.48.0 so Debian can continue to live in a time warp
+
 # 0.21.2
 
 - Rollback MSRV to 1.57.0 -- only dev dependencies need 1.60, not the main code
diff --git a/clippy.toml b/clippy.toml
index 23b32c1..11d46a7 100644
--- a/clippy.toml
+++ b/clippy.toml
@@ -1 +1 @@
-msrv = "1.57.0"
+msrv = "1.48.0"
diff --git a/src/alphabet.rs b/src/alphabet.rs
index 848c77d..f7cd819 100644
--- a/src/alphabet.rs
+++ b/src/alphabet.rs
@@ -1,8 +1,7 @@
 //! Provides [Alphabet] and constants for alphabets commonly used in the wild.
 
 use crate::PAD_BYTE;
-use core::convert::TryFrom;
-use core::fmt;
+use core::{convert, fmt};
 #[cfg(any(feature = "std", test))]
 use std::error;
 
@@ -125,7 +124,7 @@ impl Alphabet {
     }
 }
 
-impl TryFrom<&str> for Alphabet {
+impl convert::TryFrom<&str> for Alphabet {
     type Error = ParseAlphabetError;
 
     fn try_from(value: &str) -> Result<Self, Self::Error> {
@@ -203,6 +202,7 @@ pub const BIN_HEX: Alphabet = Alphabet::from_str_unchecked(
 #[cfg(test)]
 mod tests {
     use crate::alphabet::*;
+    use core::convert::TryFrom as _;
 
     #[test]
     fn detects_duplicate_start() {