Fix: No crate declares an MSRV, so a stable toolchain bump can break the build with no warning (Auto-Generated)

.github/workflows/ci.yml

@@ -7,6 +7,28 @@ on:
     branches: [ "main" ]
 
 jobs:
+  msrv:
+    name: msrv (1.82.0)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Rust MSRV
+        uses: dtolnay/rust-toolchain@1.82.0
+        with:
+          targets: wasm32v1-none
+      - name: Cache cargo
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-msrv-${{ hashFiles('**/Cargo.lock') }}
+      - name: Build and Test MSRV
+        run: |
+          cargo build --target wasm32v1-none --release
+          cargo test
+
   fmt:
     name: fmt
     runs-on: ubuntu-latest
@@ -75,6 +97,6 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             target
-          key: ${{ runner.os }}-cargo-wasm-${{ hashFiles('**/Cargo.lock') }}
-      - name: Wasm build
+          key: ${{ runner.os }}-cargo-build-wasm-${{ hashFiles('**/Cargo.lock') }}
+      - name: Build WASM
         run: cargo build --target wasm32v1-none --release

Cargo.toml

@@ -5,6 +5,9 @@ members = [
 ]
 resolver = "2"
 
+[workspace.package]
+rust-version = "1.82.0"
+
 [workspace.dependencies]
 soroban-sdk = "27.0.4"
 

contracts/receipt-anchor/Cargo.toml

@@ -2,17 +2,20 @@
 name = "receipt-anchor"
 version = "0.2.0"
 edition = "2021"
-
-[lints]
-workspace = true
-
-
-[lib]
-crate-type = ["cdylib", "rlib"]
+rust-version.workspace = true
 
 [dependencies]
-soroban-sdk = { workspace = true }
+soroban-sdk.workspace = true
 
 [dev-dependencies]
-proptest = "1.4"
 soroban-sdk = { workspace = true, features = ["testutils"] }
+proptest.workspace = true
+
+[lints]
+workspace = true
+
+[lib]
+crate-type = ["lib"
+             ,
+             "cdylib"
+]

contracts/refund-vault/Cargo.toml

@@ -2,18 +2,16 @@
 name = "refund-vault"
 version = "0.2.0"
 edition = "2021"
-
-[lints]
-workspace = true
-
-
-[lib]
-crate-type = ["cdylib", "rlib"]
+rust-version.workspace = true
 
 [dependencies]
-soroban-sdk = { workspace = true }
+soroban-sdk.workspace = true
 
 [dev-dependencies]
-proptest = "1.4"
 soroban-sdk = { workspace = true, features = ["testutils"] }
-receipt-anchor = { path = "../receipt-anchor" }
+
+[lib]
+crate-type = ["lib"
+             ,
+             "cdylib"
+]