Doc: Add note about rustc version 1.70

Cargo.toml

@@ -13,6 +13,7 @@ homepage = "https://github.com/coastalwhite/wavedrom-rs"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "A Pure Rust Digital Timing Diagram Generator based on WaveDrom-JS"
+rust-version = "1.70"
 
 [workspace.dependencies]
 clap = "4.3.2"

README.md

@@ -55,6 +55,14 @@ cd ./tests
 ./run [path/to/skin.json5]
 ```
 
+## MSRV
+
+This crate currently only compiles with Rust 1.70. To select that version use:
+
+```bash
+rustup update 1.70 --no-self-update && rustup default 1.70
+```
+
 ## Contribution
 
 Please report any bugs and possible improvements as an issue within this

mdbook-wavedrom-rs/Cargo.toml

@@ -5,6 +5,7 @@ authors.workspace = true
 repository.workspace = true
 homepage.workspace = true
 edition.workspace = true
+rust-version.workspace = true
 license = "MPL-2.0"
 
 keywords = ["diagram", "svg", "signal", "digital", "timing"]

mdbook-wavedrom-rs/README.md

@@ -7,7 +7,8 @@ Integration for [wavedrom-rs] with [mdbook].
 First, install the preprocessor utilizing the [Rust Toolchain].
 
 ```bash
-cargo install mdbook-wavedrom-rs
+# Enable version 1.70 for rustc
+cargo +1.70 install mdbook-wavedrom-rs
 ```
 
 Then, add the preprocessor to the list of preprocessors in your [mdbook]

wavedrom-wasm/Cargo.toml

@@ -6,6 +6,7 @@ repository.workspace = true
 homepage.workspace = true
 edition.workspace = true
 license.workspace = true
+rust-version.workspace = true
 
 description = "A WASM interface for WaveDrom Digital Timing Diagrams"
 

wavedrom/Cargo.toml

@@ -7,6 +7,7 @@ homepage.workspace = true
 edition.workspace = true
 license.workspace = true
 description.workspace = true
+rust-version.workspace = true
 
 keywords = ["diagram", "svg", "signal", "digital", "timing"]
 categories = ["graphics", "visualization", "wasm"]