Use rust-version field

Author: Sh3Rm4n

embedded-can/Cargo.toml

@@ -2,6 +2,7 @@
 name = "embedded-can"
 version = "0.4.1"
 edition = "2021"
+rust-version = "1.60"
 
 description = "HAL traits for Controller Area Network (CAN) devices."
 categories = ["embedded", "hardware-support", "no-std"]

embedded-hal-bus/Cargo.toml

@@ -6,6 +6,7 @@ categories = ["embedded", "hardware-support", "no-std"]
 description = "Bus/Device connection mechanisms for embedded-hal, a Hardware Abstraction Layer (HAL) for embedded systems"
 documentation = "https://docs.rs/embedded-hal-bus"
 edition = "2021"
+rust-version = "1.60"
 keywords = ["hal", "IO"]
 license = "MIT OR Apache-2.0"
 name = "embedded-hal-bus"

embedded-hal-nb/Cargo.toml

@@ -2,6 +2,7 @@
 name = "embedded-hal-nb"
 version = "1.0.0-rc.1"
 edition = "2021"
+rust-version = "1.60"
 
 categories = ["embedded", "hardware-support", "no-std"]
 description = "Non-blocking Hardware Abstraction Layer (HAL) for embedded systems using the `nb` crate."

embedded-hal/Cargo.toml

@@ -8,6 +8,7 @@ categories = ["asynchronous", "embedded", "hardware-support", "no-std"]
 description = " A Hardware Abstraction Layer (HAL) for embedded systems "
 documentation = "https://docs.rs/embedded-hal"
 edition = "2021"
+rust-version = "1.60"
 keywords = ["hal", "IO"]
 license = "MIT OR Apache-2.0"
 name = "embedded-hal"

embedded-io-adapters/Cargo.toml

@@ -2,6 +2,7 @@
 name = "embedded-io-adapters"
 version = "0.6.0"
 edition = "2021"
+rust-version = "1.60"
 description = "Adapters between the `embedded-io` traits and other I/O traits"
 repository = "https://github.com/rust-embedded/embedded-hal"
 readme = "README.md"

embedded-io/Cargo.toml

@@ -2,6 +2,7 @@
 name = "embedded-io"
 version = "0.6.0"
 edition = "2021"
+rust-version = "1.60"
 description = "Embedded IO traits"
 repository = "https://github.com/rust-embedded/embedded-hal"
 readme = "README.md"