update workspace, Rust edition 2024, fixes

.editorconfig

@@ -11,5 +11,5 @@ indent_size = 4
 trim_trailing_whitespace = true
 max_line_length = 80
 
-[{*.nix,*.yml}]
+[{*.md,*.nix,*.toml,*.yml}]
 indent_size = 2

.envrc

@@ -1 +1 @@
-use nix
+use flake

.github/workflows/_build-rust.yml

@@ -102,8 +102,7 @@ jobs:
         run: |
           rustup component add miri
           # Run with stack-borrow model
-          # XXX Temporarily, just for multiboot2 crate.
-          cargo miri test -p multiboot2
+          cargo miri test
           # Run with tree-borrow model
-          # XXX Temporarily, just for multiboot2 crate.
-          MIRIFLAGS=-Zmiri-tree-borrows cargo +nightly miri test -p multiboot2
+          # TODO currently doesn't work with the ELF section parsing code
+          # MIRIFLAGS="-Zmiri-tree-borrows" cargo +nightly miri test

.github/workflows/integrationtest.yml

@@ -26,13 +26,7 @@ jobs:
     steps:
       - name: Check out
         uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v30
-        with:
-          # This channel is only required to invoke "nix-shell".
-          # Everything inside that nix-shell will use a pinned version of
-          # nixpkgs.
-          nix_path: nixpkgs=channel:nixos-23.11
-      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - uses: cachix/install-nix-action@v31
       - name: Set up cargo cache
         uses: actions/cache@v4
         continue-on-error: false
@@ -48,6 +42,6 @@ jobs:
           key: ${{ runner.os }}-${{ github.job }}-${{ hashFiles('integration-test/**/Cargo.toml', 'integration-test/**/Cargo.lock', 'integration-test/bins/rust-toolchain.toml') }}
       # Have all the "copying into Nix store" messages in a dedicated step for
       # better log visibility.
-      - run: nix-shell --run "echo OK"
+      - run: nix develop --command bash -c "echo OK"
       # Now, run the actual test.
-      - run: nix-shell --run run-integrationtest
+      - run: nix develop --command bash -c "run-integrationtest"

.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: 1.85.0 # MSRV
       do-style-check: false
       features: builder
 
@@ -42,15 +42,15 @@ jobs:
     with:
       rust-version: nightly
       do-style-check: false
-      features: builder,unstable
+      features: builder
 
   ### no-std Build   #########################
   build_nostd_msrv:
     name: build no_std (msrv)
     needs: build_msrv
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.75.0 # MSRV
+      rust-version: 1.85.0 # MSRV
       do-style-check: false
       rust-target: thumbv7em-none-eabihf
       features: builder
@@ -99,15 +99,15 @@ jobs:
       rust-version: nightly
       do-style-check: false
       rust-target: thumbv7em-none-eabihf
-      features: builder,unstable
+      features: builder
 
   ### Style Checks + Doc #####################
   style_msrv:
     name: style (msrv)
     needs: build_msrv
     uses: ./.github/workflows/_build-rust.yml
     with:
-      rust-version: 1.75.0 # MSRV
+      rust-version: 1.85.0 # MSRV
       do-style-check: true
       do-test: false
       features: builder
@@ -130,7 +130,7 @@ jobs:
       rust-version: nightly
       do-style-check: true
       do-test: false
-      features: builder,unstable
+      features: builder
 
   miri:
     name: tests with miri (nightly)
@@ -141,4 +141,4 @@ jobs:
       do-style-check: false
       do-test: false
       do-miri: true
-      features: builder,unstable
+      features: builder

Cargo.toml

@@ -1,22 +1,27 @@
 [workspace]
 resolver = "2"
 members = [
-    "multiboot2",
-    "multiboot2-common",
-    "multiboot2-header",
+  "multiboot2",
+  "multiboot2-common",
+  "multiboot2-header",
 ]
 exclude = [
-    "integration-test"
+  "integration-test"
 ]
+package.rust-version = "1.85.0"
+package.edition = "2024"
+package.license = "MIT/Apache-2.0"
 
 [workspace.dependencies]
-bitflags = "2.9.0"
-derive_more = { version = "1.0.0", default-features = false, features = ["display"] }
+bitflags = "2.9.1"
 log = { version = "~0.4", default-features = false }
+ptr_meta = { version = "~0.3", default-features = false, features = ["derive"] }
+thiserror = { version = "2.0.12", default-features = false }
+
+# Intra-workspace dependencies of upstream crates: always point to the latest
+# stable version
 multiboot2 = { version = "0.23.1", default-features = false }
 multiboot2-common = { version = "0.2.1", default-features = false }
-# Warn: 0.3 has multiple very breaking changes
-ptr_meta = { version = "~0.2", default-features = false }
 
 # This way, the corresponding crate dependency can be normalley referenced by
 # version, while still the repository version is used transparently during local