Support MSRV of 1.36

Author: stevenroose

.travis.yml

@@ -1,6 +1,6 @@
 language: rust
 rust:
-  - 1.40.0
+  - 1.36.0
   - stable
   - beta
   - nightly

README.md

@@ -11,9 +11,13 @@ of the JSON data model that is small and very fast to parse.
 [RFC 7049]: https://tools.ietf.org/html/rfc7049
 [Serde]: https://github.com/serde-rs/serde
 
+### MSRV
+
+Serde CBOR supports Rust 1.36 and up.
+
 ## Usage
 
-Serde CBOR supports Rust 1.40 and up. Add this to your `Cargo.toml`:
+Add this to your `Cargo.toml`:
 ```toml
 [dependencies]
 serde_cbor = "0.11.1"

src/lib.rs

@@ -2,7 +2,7 @@
 //!
 //! # Usage
 //!
-//! Serde CBOR supports Rust 1.40 and up. Add this to your `Cargo.toml`:
+//! Serde CBOR supports Rust 1.36 and up. Add this to your `Cargo.toml`:
 //! ```toml
 //! [dependencies]
 //! serde_cbor = "0.10"