Revert "msrv: update from 1.70 to 1.75"

This reverts commit 484160e

Author: phip1611

.github/workflows/rust.yml

@@ -24,7 +24,7 @@ jobs:
     name: build (msrv)
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.75.0 # MSRV
+      rust-version: 1.70.0 # MSRV
       do-style-check: false
       features: builder
 
@@ -50,7 +50,7 @@ jobs:
     needs: build_msrv
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.75.0 # MSRV
+      rust-version: 1.70.0 # MSRV
       do-style-check: false
       rust-target: thumbv7em-none-eabihf
       features: builder
@@ -107,7 +107,7 @@ jobs:
     needs: build_msrv
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.75.0 # MSRV
+      rust-version: 1.70.0 # MSRV
       do-style-check: true
       do-test: false
       features: builder

multiboot2-header/Cargo.toml

@@ -26,7 +26,7 @@ readme = "README.md"
 homepage = "https://github.com/rust-osdev/multiboot2-header"
 repository = "https://github.com/rust-osdev/multiboot2"
 documentation = "https://docs.rs/multiboot2-header"
-rust-version = "1.75"
+rust-version = "1.70"
 
 [[example]]
 name = "minimal"

multiboot2-header/Changelog.md

@@ -3,8 +3,6 @@
 ## Unreleased
 
 - **Breaking** All functions that returns something useful are now `#[must_use]`
-- updated dependencies
-- documentation enhancements
 
 ## 0.4.0 (2024-05-01)
 

multiboot2-header/README.md

@@ -77,7 +77,7 @@ bytes of the ELF. See Multiboot2 specification.
 
 ## MSRV
 
-The MSRV is 1.75.0 stable.
+The MSRV is 1.70.0 stable.
 
 ## License & Contribution
 

multiboot2-header/src/lib.rs

@@ -34,7 +34,7 @@
 //!
 //! ## MSRV
 //!
-//! The MSRV is 1.75.0 stable.
+//! The MSRV is 1.70.0 stable.
 
 #![no_std]
 #![cfg_attr(feature = "unstable", feature(error_in_core))]

multiboot2/Cargo.toml

@@ -31,7 +31,7 @@ readme = "README.md"
 homepage = "https://github.com/rust-osdev/multiboot2"
 repository = "https://github.com/rust-osdev/multiboot2"
 documentation = "https://docs.rs/multiboot2"
-rust-version = "1.75"
+rust-version = "1.70"
 
 [features]
 default = ["builder"]

multiboot2/README.md

@@ -45,7 +45,7 @@ tag_, which is a tag of type `0` and size `8`.
 
 ## MSRV
 
-The MSRV is 1.75.0 stable.
+The MSRV is 1.70.0 stable.
 
 ## License & Contribution
 

multiboot2/src/lib.rs

@@ -41,7 +41,7 @@
 //! ```
 //!
 //! ## MSRV
-//! The MSRV is 1.75.0 stable.
+//! The MSRV is 1.70.0 stable.
 
 #[cfg(feature = "builder")]
 extern crate alloc;