build: change MSRV to 1.48

1.48 is the version packaged in Debian 11.

Also fix issue with msrv check. `--no-dev-deps` from `cargo hack` is
necessary to ignore dev dependencies.

Ref: https://repology.org/project/rust/versions

.github/workflows/rust.yml

@@ -49,7 +49,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: taiki-e/install-action@cargo-hack
-    - run: cargo hack check --rust-version --workspace --lib --ignore-private
+    - run: cargo hack --feature-powerset --no-dev-deps --rust-version check --workspace
 
   features:
     name: Features ${{ matrix.toolchain }} ${{ matrix.os }}

Cargo.toml

@@ -3,7 +3,7 @@ name = "unicode-truncate"
 version = "0.2.0"
 authors = ["Aetf <[email protected]>"]
 edition = "2018"
-rust-version = "1.68.2"
+rust-version = "1.48"
 
 homepage = "https://github.com/Aetf/unicode-truncate"
 repository = "https://github.com/Aetf/unicode-truncate"
@@ -17,14 +17,6 @@ exclude = [
     "benches/data/*",
 ]
 
-# Improve benchmark consistency
-[profile.bench]
-codegen-units = 1
-lto = true
-
-[badges]
-travis-ci = { repository = "Aetf/unicode-truncate" }
-
 [dependencies]
 itertools = { version = "0.12.1", default-features = false }
 unicode-width = "0.1"
@@ -46,3 +38,9 @@ required-features = ["std"]
 [[bench]]
 name = "benchmark"
 harness = false
+
+# Improve benchmark consistency
+[profile.bench]
+codegen-units = 1
+lto = true
+