Bump MSRV and edition

.github/workflows/ci.yml

@@ -21,23 +21,16 @@ jobs:
  RUST_BACKTRACE: 1
  RUST_LOG: isahc=debug
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v4
  with:
- submodules: true
+ submodules: recursive
 
  - name: Install system dependencies
  run: |
  sudo apt update
  sudo apt install -y libkrb5-dev
  if: matrix.os == 'ubuntu-latest'
 
- - name: Install Rust toolchain
- uses: actions-rs/toolchain@v1
- with:
- profile: minimal
- toolchain: "1.46.0"
- default: true
-
  - name: Update Cargo.lock
  run: cargo update
 
@@ -64,9 +57,9 @@ jobs:
  runs-on: ubuntu-20.04
  timeout-minutes: 20
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v4
  with:
- submodules: true
+ submodules: recursive
 
  - uses: actions-rs/toolchain@v1
  with:
@@ -85,7 +78,7 @@ jobs:
  run: cargo -Z minimal-versions update
 
  - name: Cache Cargo dependencies
- uses: actions/cache@v2
+ uses: actions/cache@v4
  with:
  path: |
  ~/.cargo/bin/
@@ -104,9 +97,9 @@ jobs:
  runs-on: ubuntu-latest
  timeout-minutes: 20
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v4
  with:
- submodules: true
+ submodules: recursive
 
  - uses: actions-rs/toolchain@v1
  with:
@@ -119,7 +112,7 @@ jobs:
  run: cargo update
 
  - name: Cache Cargo dependencies
- uses: actions/cache@v2
+ uses: actions/cache@v4
  with:
  path: |
  ~/.cargo/bin/

.gitignore

@@ -1,6 +1,5 @@
 .vscode
 target
-Cargo.lock
 *.code-workspace
 .idea/*
 # Code coverage reports