Moving to MSRV 1.36.0

.github/workflows/build.yml

@@ -50,6 +50,20 @@ jobs:
         with:
           command: build
           args: --workspace --all-targets --all-features
+  ancient:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install rust 1.36.0
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.36.0
+          override: true
+      - name: All features
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --all-features
   dependency:
     runs-on: ubuntu-latest
     steps:

README.md

@@ -14,7 +14,9 @@ Amplifying Rust language capabilities: multiple generic trait implementations,
 type wrappers, derive macros. Tiny library with zero non-optional dependencies.
 Able to work as `no_std`.
 
-Minimum supported rust compiler version (MSRV): 1.41.1
+Minimum supported rust compiler version (MSRV): 1.36.0 (if 
+`stringly_conversions` feature is not used) and 1.41.1 (for 
+`stringly_conversions` and `serde_str_helpers` sub-crates).
 
 ## Main features
 
@@ -153,8 +155,8 @@ cargo build --all
 cargo test
 ```
 
-As a reminder, minimum supported rust compiler version (MSRV) is 1.41.1, so it
-can be build with either nightly, dev, stable or 1.41+ version of the rust 
+As a reminder, minimum supported rust compiler version (MSRV) is 1.36.0, so it
+can be build with either nightly, dev, stable or 1.36+ version of the rust 
 compiler. Use `rustup` for getting the proper version, or add `+toolchain`
 parameter to both `cargo build` and `cargo test` commands.