revert cache change and pin warp dep to 0.3.5

Something about 0.3.6 breaks the doc test

Signed-off-by: Jim Crossley <jim@crossleys.org>

.github/workflows/rust_tests.yml

@@ -32,19 +32,19 @@ jobs:
       if: matrix.target == 'x86_64-unknown-linux-musl'
 
     # # Caching stuff
-    # - uses: actions/cache@v2
-    #   with:
-    #     path: |
-    #       ~/.cargo/bin/
-    #       ~/.cargo/registry/index/
-    #       ~/.cargo/registry/cache/
-    #       ~/.cargo/git/db/
-    #     key: ${{ runner.os }}-cargo-deps-${{ hashFiles('**/Cargo.toml') }}
-    # - uses: actions/cache@v2
-    #   with:
-    #     path: |
-    #       target/
-    #     key: ${{ runner.os }}-cargo-target-${{ matrix.toolchain }}-${{ matrix.target }}-${{ hashFiles('**/Cargo.toml') }}
+    - uses: actions/cache@v2
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+        key: ${{ runner.os }}-cargo-deps-${{ hashFiles('**/Cargo.toml') }}
+    - uses: actions/cache@v2
+      with:
+        path: |
+          target/
+        key: ${{ runner.os }}-cargo-target-${{ matrix.toolchain }}-${{ matrix.target }}-${{ hashFiles('**/Cargo.toml') }}
     - uses: actions-rs/toolchain@v1
       with:
         toolchain: ${{ matrix.toolchain }}

Cargo.toml

@@ -47,7 +47,7 @@ actix-web = { version = "4", optional = true }
 actix-http = { version = "3", optional = true }
 reqwest-lib = { version = "^0.11", default-features = false, features = ["rustls-tls"], optional = true, package = "reqwest" }
 rdkafka-lib = { version = "^0.29", features = ["cmake-build"], optional = true, package = "rdkafka" }
-warp-lib = { version = "^0.3", optional = true, package = "warp" }
+warp-lib = { version = "=0.3.5", optional = true, package = "warp" }
 async-trait = { version = "^0.1.33", optional = true }
 bytes = { version = "^1.0", optional = true }
 futures = { version = "^0.3", optional = true }