Bump Rust requirement to 1.70.0

This way we can make use of some newer features such as the IsTerminal
trait.

Changelog: other

.github/workflows/freebsd.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.68'
+          - '1.70'
           - stable
     runs-on: macos-latest
     steps:
@@ -47,7 +47,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.68'
+          - '1.70'
     runs-on: macos-latest
     needs:
       - compiler

.github/workflows/lint.yml

@@ -48,9 +48,9 @@ jobs:
           path: |
             ${{ env.CARGO_HOME }}
             target
-          key: ubuntu-1.68
+          key: ubuntu-1.70
       - name: Installing Rust
-        run: ./scripts/rust.sh 1.68
+        run: ./scripts/rust.sh 1.70
       - name: Installing dependencies
         run: sudo ./scripts/deps.sh ubuntu:latest
       - name: Installing clippy

.github/workflows/linux.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.68'
+          - '1.70'
           - stable
     runs-on: ubuntu-latest
     steps:
@@ -38,7 +38,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.68'
+          - '1.70'
         image:
           - archlinux:latest
           - debian:11

.github/workflows/mac.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.68'
+          - '1.70'
           - stable
     runs-on: macos-latest
     steps:
@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.68'
+          - '1.70'
     runs-on: macos-latest
     needs:
       - compiler

clippy.toml

@@ -1 +1 @@
-msrv = '1.68.0'
+msrv = '1.70.0'

docs/source/getting-started/installation.md

@@ -21,7 +21,7 @@ changes.
 ## Requirements
 
 - A 64-bits little-endian platform
-- Rust 1.68 or newer
+- Rust 1.70 or newer
 - LLVM 15, with support for static linking against LLVM
 - A C compiler such as [GCC](https://gcc.gnu.org/) or
   [clang](https://clang.llvm.org/)

docs/source/getting-started/ivm.md

@@ -6,7 +6,7 @@ in Rust.
 
 ## Installing
 
-ivm itself only requires Rust 1.68 or newer, but to build Inko itself you'll
+ivm itself only requires Rust 1.70 or newer, but to build Inko itself you'll
 need to also meet the requirements listed in the [installation
 guide](installation.md).