diff --git a/.github/workflows/rust-compile.yml b/.github/workflows/rust-compile.yml
index 94cb5db8a..00e4b7035 100644
--- a/.github/workflows/rust-compile.yml
+++ b/.github/workflows/rust-compile.yml
@@ -3,7 +3,7 @@ on:
     branches: [ $default-branch ]
   pull_request:
 
-name: Continuous integration
+name: Rust
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -14,6 +14,7 @@ env:
   RUST_BACKTRACE: 1
   RUSTFLAGS: "-D warnings"
   CARGO_TERM_COLOR: always
+  DEFAULT_FEATURES: tokio,serde,reqwest,sparse
 
 jobs:
   check:
@@ -23,12 +24,9 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-      - uses: actions-rs/cargo@v1
-        with:
-          command: check
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Run clippy
+        run: cargo check
 
   check-rustdoc-links:
     name: Check intra-doc links
@@ -37,65 +35,147 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
       - run: |
           for package in $(cargo metadata --no-deps --format-version=1 | jq -r '.packages[] | .name'); do
             cargo rustdoc -p "$package" --all-features -- -D warnings -W unreachable-pub
           done
 
-  test:
-    name: Test Suite
-    runs-on: ${{ matrix.os }}
-    needs: check
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ "ubuntu-latest", "windows-latest", "macOS-latest" ]
+  fmt:
+    name: Ensure 'cargo fmt' has been run
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          submodules: recursive
-          # The tests require data that is stored in LFS
-          lfs: true
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
           components: rustfmt
+      - name: Rustfmt Check
+        uses: actions-rust-lang/rustfmt@v1
 
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all-features -- --nocapture
-
-  fmt:
-    name: Rustfmt
+  clippy:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-      - run: rustup component add rustfmt
-      - uses: actions-rs/cargo@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          command: fmt
-          args: --all -- --check
+          components: clippy
+      - name: Run clippy
+        run: cargo clippy
 
-  clippy:
-    runs-on: ubuntu-latest
+  build:
+    name: ${{ matrix.job.name }}
+    runs-on: ${{ matrix.job.os }}
+    needs: [ check ]
+    strategy:
+      fail-fast: false
+      matrix:
+        job:
+          - { name: "Linux-x86_64",      target: x86_64-unknown-linux-musl,        os: ubuntu-latest, use-cross: true }
+          # - { name: "Linux-aarch64",     target: aarch64-unknown-linux-musl,       os: ubuntu-latest, use-cross: true, skip-tests: true }
+          # - { name: "Linux-arm",         target: arm-unknown-linux-musleabi,       os: ubuntu-latest, use-cross: true                   }
+
+          # - { name: "Linux-mips",        target: mips-unknown-linux-musl,          os: ubuntu-latest, use-cross: true, skip-tests: true }
+          # - { name: "Linux-mipsel",      target: mipsel-unknown-linux-musl,        os: ubuntu-latest, use-cross: true, skip-tests: true }
+          # - { name: "Linux-mips64",      target: mips64-unknown-linux-muslabi64,   os: ubuntu-latest, use-cross: true, skip-tests: true }
+          # - { name: "Linux-mips64el",    target: mips64el-unknown-linux-muslabi64, os: ubuntu-latest, use-cross: true, skip-tests: true }
+
+          # - { name: "Linux-powerpc",     target: powerpc-unknown-linux-gnu,        os: ubuntu-latest, use-cross: true, skip-tests: true }
+          # - { name: "Linux-powerpc64",   target: powerpc64-unknown-linux-gnu,      os: ubuntu-latest, use-cross: true, skip-tests: true }
+          # - { name: "Linux-powerpc64le", target: powerpc-unknown-linux-gnu,        os: ubuntu-latest, use-cross: true, skip-tests: true }
+
+          # - { name: "Linux-s390x",       target: s390x-unknown-linux-gnu,          os: ubuntu-latest, use-cross: true, skip-tests: true }
+
+          - { name: "macOS-x86_64",      target: x86_64-apple-darwin,              os: macOS-latest }
+          - { name: "macOS-aarch64",     target: aarch64-apple-darwin,             os: macOS-latest,                  skip-tests: true }
+
+          - { name: "Windows-x86_64",    target: x86_64-pc-windows-msvc,           os: windows-latest }
+          # - { name: "Windows-aarch64",   target: aarch64-pc-windows-msvc,          os: windows-latest,                  skip-tests: true }
+    env:
+      BUILD_CMD: cargo  # The build and test command to use if not overwritten
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout source code
+        uses: actions/checkout@v3
         with:
           submodules: recursive
-      - uses: actions-rs/toolchain@v1
+          lfs: ${{ !matrix.job.skip-tests }}
+
+      - name: Install prerequisites
+        shell: bash
+        run: |
+          case ${{ matrix.job.target }} in
+            arm-unknown-linux-*) sudo apt-get -y update ; sudo apt-get -y install gcc-arm-linux-gnueabihf ;;
+            aarch64-unknown-linux-gnu) sudo apt-get -y update ; sudo apt-get -y install gcc-aarch64-linux-gnu ;;
+          esac
+
+      - name: Install Rust toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          profile: minimal
-          components: clippy
-      - uses: actions-rs/clippy-check@v1
+          target: ${{ matrix.job.target }}
+          components: rustfmt
+
+      - name: Install cross
+        if: matrix.job.use-cross
+        uses: taiki-e/install-action@v2
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --all-features -- -D warnings
+          tool: cross
+
+      - name: Overwrite build command env variable
+        if: matrix.job.use-cross
+        shell: bash
+        run: echo "BUILD_CMD=cross" >> $GITHUB_ENV
+
+      - name: Add macOS cross build capability
+        if: matrix.job.target == 'aarch64-apple-darwin'
+        shell: bash
+        run: |
+          echo "SDKROOT=$(xcrun -sdk macosx --show-sdk-path)" >> $GITHUB_ENV
+          echo "MACOSX_DEPLOYMENT_TARGET=$(xcrun -sdk macosx --show-sdk-platform-version)" >> $GITHUB_ENV
+
+      - name: Show version information (Rust, cargo, GCC)
+        shell: bash
+        run: |
+          gcc --version || true
+          rustup -V
+          rustup toolchain list
+          cargo -V
+          rustc -V
+
+      - name: Set build options
+        id: build-options
+        shell: bash
+        run: |
+          unset CARGO_BUILD_OPTIONS
+          case ${{ matrix.job.target }} in
+            *-musl*) CARGO_BUILD_OPTIONS="--no-default-features --features rustls-tls"  ;;
+            *) CARGO_BUILD_OPTIONS=""  ;;
+          esac
+          echo "CARGO_BUILD_OPTIONS=${CARGO_BUILD_OPTIONS}" >> $GITHUB_OUTPUT
+
+      - name: Build
+        uses: actions-rs/cargo@v1
+        with:
+          use-cross: ${{ matrix.job.use-cross }}
+          command: build
+          args: --target=${{ matrix.job.target }} ${{ steps.build-options.outputs.CARGO_BUILD_OPTIONS}} --features ${{ env.DEFAULT_FEATURES }}
+
+      - name: Set test options
+        id: test-options
+        if: ${{ !matrix.job.skip-tests }}
+        shell: bash
+        run: |
+          unset CARGO_TEST_OPTIONS
+          case ${{ matrix.job.target }} in
+            *-musl*) CARGO_TEST_OPTIONS="--exclude tools"  ;;
+            *) CARGO_TEST_OPTIONS=""  ;;
+          esac
+          echo "CARGO_TEST_OPTIONS=${CARGO_TEST_OPTIONS}" >> $GITHUB_OUTPUT
+
+      - name: Run tests
+        if: ${{ !matrix.job.skip-tests }}
+        uses: actions-rs/cargo@v1
+        with:
+          use-cross: ${{ matrix.job.use-cross }}
+          command: test
+          args: --workspace --features ${{ env.DEFAULT_FEATURES }} --target=${{ matrix.job.target }} ${{ steps.build-options.outputs.CARGO_BUILD_OPTIONS}} ${{ steps.test-options.outputs.CARGO_TEST_OPTIONS}} -- --nocapture
diff --git a/crates/rattler_solve/src/libsolv/wrapper/pool.rs b/crates/rattler_solve/src/libsolv/wrapper/pool.rs
index 337d66578..62e733c45 100644
--- a/crates/rattler_solve/src/libsolv/wrapper/pool.rs
+++ b/crates/rattler_solve/src/libsolv/wrapper/pool.rs
@@ -2,6 +2,7 @@ use super::{ffi, repo::Repo, solvable::SolvableId, solver::Solver};
 use crate::libsolv::c_string;
 use crate::libsolv::wrapper::ffi::Id;
 use rattler_conda_types::MatchSpec;
+use std::ffi::c_char;
 use std::{
     convert::TryInto,
     ffi::{CStr, CString},
@@ -66,7 +67,7 @@ extern "C" fn log_callback(
     _pool: *mut ffi::Pool,
     user_data: *mut c_void,
     flags: i32,
-    str: *const i8,
+    str: *const c_char,
 ) {
     unsafe {
         // We have previously stored a `BoxedLogCallback` in `user_data`, so now we can retrieve it