Merge pull request #392 from epage/msrv

chore(ci): Ensure 'original' MSRV is verified

.clippy.toml

@@ -1 +1 @@
-msrv = "1.59.0"  # MSRV
+msrv = "1.48.0"  # MSRV

.github/workflows/ci.yml

@@ -40,24 +40,22 @@ jobs:
     - name: toml (preserve_order)
       run: cargo test -p toml --features preserve_order
   msrv:
-    name: "Check MSRV: 1.59.0"
+    name: "Check MSRV: 1.48.0"
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v3
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.59.0  # MSRV
+        toolchain: 1.48.0  # MSRV
         profile: minimal
         override: true
     - uses: Swatinem/rust-cache@v1
     - name: Default features
       run: cargo check --workspace --all-targets
     - name: All features
       run: cargo check --workspace --all-targets --all-features
-    - name: No-default features
-      run: cargo check --workspace --all-targets --no-default-features
   docs:
     name: Docs
     runs-on: ubuntu-latest

.gitignore

@@ -1,2 +1 @@
 target
-Cargo.lock

crates/toml/Cargo.toml

@@ -15,6 +15,7 @@ repository = "https://github.com/toml-rs/toml"
 homepage = "https://github.com/toml-rs/toml"
 documentation = "https://docs.rs/toml"
 edition = "2018"
+rust-version = "1.48.0"
 include = [
   "src/**/*",
   "Cargo.toml",