Raise the MSRV to 1.32 for hashbrown

Author: cuviper

.travis.yml

@@ -2,10 +2,6 @@ language: rust
 sudo: false
 matrix:
   include:
-    # MSRV is lower for non-dev builds
-    - rust: 1.18.0
-      env:
-       - SKIP_TEST=1
     - rust: 1.32.0
     - rust: 1.34.2
     - rust: stable

Cargo.toml

@@ -41,7 +41,7 @@ default-features = false
 features = ["inline-more", "raw"]
 
 [dev-dependencies]
-itertools = "0.8"
+itertools = "0.9"
 rand = {version = "0.7", features = ["small_rng"] }
 quickcheck = { version = "0.9", default-features = false }
 fnv = "1.0"

README.rst

@@ -12,8 +12,8 @@ indexmap
 .. |docs| image:: https://docs.rs/indexmap/badge.svg
 .. _docs: https://docs.rs/indexmap
 
-.. |rustc| image:: https://img.shields.io/badge/rust-1.18%2B-orange.svg
-.. _rustc: https://img.shields.io/badge/rust-1.18%2B-orange.svg
+.. |rustc| image:: https://img.shields.io/badge/rust-1.32%2B-orange.svg
+.. _rustc: https://img.shields.io/badge/rust-1.32%2B-orange.svg
 
 A pure-Rust hash table which preserves (in a limited sense) insertion order.
 

src/lib.rs

@@ -53,9 +53,8 @@
 //!
 //! ### Rust Version
 //!
-//! This version of indexmap requires Rust 1.18 or later, or 1.32+ for
-//! development builds, and Rust 1.36+ for using with `alloc` (without `std`),
-//! see below.
+//! This version of indexmap requires Rust 1.32 or later, or Rust 1.36+ for
+//! using with `alloc` (without `std`), see below.
 //!
 //! The indexmap 1.x release series will use a carefully considered version
 //! upgrade policy, where in a later 1.x version, we will raise the minimum