Increase rust min version up to 1.50

Author: ikrivosheev

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: CI
 on: [push, pull_request]
 
 env:
-  RUST_MINVERSION: 1.41.1
+  RUST_MINVERSION: "1.50"
   CARGO_INCREMENTAL: 0
   CARGO_NET_RETRY: 10
 
@@ -18,7 +18,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - 1.48.0
+          - 1.50.0
 
         features:
           - ''

Cargo.toml

@@ -14,7 +14,7 @@ edition = "2018"
 autoexamples = false
 
 # also update in README.md (badge and "Rust version requirements" section)
-rust-version = "1.48"
+rust-version = "1.50"
 
 include = [
   "CHANGELOG.md",

README.md

@@ -5,7 +5,7 @@
 [![Build Status](https://github.com/Geal/nom/actions/workflows/ci.yml/badge.svg)](https://github.com/Geal/nom/actions/workflows/ci.yml)
 [![Coverage Status](https://coveralls.io/repos/github/Geal/nom/badge.svg?branch=main)](https://coveralls.io/github/Geal/nom?branch=main)
 [![Crates.io Version](https://img.shields.io/crates/v/nom.svg)](https://crates.io/crates/nom)
-[![Minimum rustc version](https://img.shields.io/badge/rustc-1.48.0+-lightgray.svg)](#rust-version-requirements-msrv)
+[![Minimum rustc version](https://img.shields.io/badge/rustc-1.50.0+-lightgray.svg)](#rust-version-requirements-msrv)
 
 nom is a parser combinators library written in Rust. Its goal is to provide tools
 to build safe parsers without compromising the speed or memory consumption. To
@@ -207,7 +207,7 @@ Some benchmarks are available on [Github](https://github.com/Geal/nom_benchmarks
 
 ## Rust version requirements (MSRV)
 
-The 7.0 series of nom supports **Rustc version 1.48 or greater**. It is known to work properly on Rust 1.41.1 but there is no guarantee it will stay the case through this major release.
+The 7.0 series of nom supports **Rustc version 1.50 or greater**. It is known to work properly on Rust 1.41.1 but there is no guarantee it will stay the case through this major release.
 
 The current policy is that this will only be updated in the next major nom release.
 

src/error.rs

@@ -152,7 +152,7 @@ pub fn append_error<I, E: ParseError<I>>(input: I, kind: ErrorKind, other: E) ->
 pub struct VerboseError<I> {
   /// List of errors accumulated by `VerboseError`, containing the affected
   /// part of input data, and some context
-  pub errors: Vec<(I, VerboseErrorKind)>,
+  pub errors: crate::lib::std::vec::Vec<(I, VerboseErrorKind)>,
 }
 
 #[cfg(feature = "alloc")]