Bump MSRV to 1.75.0

A consensus was reached at the 2025 Rust Bitcoin Summit to use an MSRV
of 1.75.0 for corepc and all its crates.

Author: jamillambert

.github/workflows/rust.yaml

@@ -70,7 +70,7 @@ jobs:
         run: ./maintainer-tools/ci/run_task.sh nightly
 
   MSRV:                         # 2 jobs, one per lock file.
-    name: Test - 1.63.0 toolchain
+    name: Test - 1.75.0 toolchain
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -87,7 +87,7 @@ jobs:
       - name: "Select toolchain"
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: "1.63.0"
+          toolchain: "1.75.0"
       - name: "Set dependencies"
         run: cp Cargo-${{ matrix.dep }}.lock Cargo.lock
       - name: "Run test script"

README.md

@@ -56,6 +56,6 @@ Some code shamelessly stolen from `rust-bitcoincore-rpc` (credit to Steven).
 
 ## Minimum Supported Rust Version (MSRV)
 
-This library should always compile with any combination of features on **Rust 1.63.0**.
+This library should always compile with any combination of features on **Rust 1.75.0**.
 
 Use `Cargo-minimal.lock` to build the MSRV by copying to `Cargo.lock` and building.

bitreq/.github/workflows/msrv.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Checkout Crate
         uses: actions/checkout@v3
       - name: Checkout Toolchain
-        uses: dtolnay/rust-toolchain@1.63
+        uses: dtolnay/rust-toolchain@1.75
       - name: Running test script
         run: |
           cargo test

bitreq/Cargo.toml

@@ -10,7 +10,7 @@ keywords = ["http", "https", "client", "request", "json"]
 categories = ["web-programming::http-client"]
 license = "ISC"
 edition = "2021"
-rust-version = "1.74.0"
+rust-version = "1.75.0"
 
 [badges]
 maintenance = { status = "experimental" }

bitreq/README.md

@@ -40,7 +40,7 @@ We use an MSRV per major release, i.e., with a new major release we
 reserve the right to change the MSRV.
 
 The current major version of this library should always compile with
-default features (i.e., `std`) on **Rust 1.63**. Other features may
+default features (i.e., `std`) on **Rust 1.75**. Other features may
 require a higher MSRV.
 
 ## License

client/Cargo.toml

@@ -9,7 +9,7 @@ categories = ["cryptography::cryptocurrencies"]
 keywords = ["bitcoin", "bitcoind", "json-rpc"]
 readme = "README.md"
 edition = "2021"
-rust-version = "1.63.0"
+rust-version = "1.75.0"
 exclude = ["tests", "contrib"]
 
 [package.metadata.docs.rs]

client/README.md

@@ -5,7 +5,7 @@ is only a blocking client and is intended to be used in integration testing.
 
 ## Minimum Supported Rust Version (MSRV)
 
-This library should always compile with any combination of features on **Rust 1.63.0**.
+This library should always compile with any combination of features on **Rust 1.75.0**.
 
 ## Licensing
 

clippy.toml

@@ -1,2 +1,2 @@
-msrv = "1.63.0"
+msrv = "1.75.0"
 too-many-arguments-threshold = 13

fuzz/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "jsonrpc-fuzz"
 edition = "2021"
-rust-version = "1.63.0"
+rust-version = "1.75.0"
 version = "0.0.1"
 authors = ["Generated by fuzz/generate-files.sh"]
 publish = false

fuzz/generate-files.sh

@@ -13,7 +13,7 @@ cat > "$REPO_DIR/fuzz/Cargo.toml" <<EOF
 [package]
 name = "jsonrpc-fuzz"
 edition = "2021"
-rust-version = "1.63.0"
+rust-version = "1.75.0"
 version = "0.0.1"
 authors = ["Generated by fuzz/generate-files.sh"]
 publish = false