diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 161b543..0b40325 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -23,7 +23,7 @@ on:
 name: rust-ci
 
 env:
-  RUST_MSRV: "1.63"
+  RUST_MSRV: &RUST_MSRV "1.63"
 
 jobs:
   codespell:
@@ -52,7 +52,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: ${{ env.RUST_MSRV }}
+          toolchain: *RUST_MSRV
       - uses: taiki-e/install-action@cargo-hack
       - name: cargo check
         run: >-
@@ -145,6 +145,23 @@ jobs:
         run: cargo install --force cbindgen
       - run: make validate-cbindgen
 
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        rust-version:
+          - *RUST_MSRV
+          - stable
+          - nightly
+    steps:
+      - uses: actions/checkout@v6
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust-version }}
+      - run: make debug
+      - run: make release
+
   rustdoc:
     name: cargo doc
     runs-on: ubuntu-latest
diff --git a/Cargo.toml b/Cargo.toml
index f48b32a..9e1f909 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ rust-version = "1.63"
 maintenance = { status = "experimental" }
 
 [lib]
-# When building the CAPI, our Makefile adds --crate-type={cdylib,staticlib}.
+# MSRV(1.64): Replace with --crate-type={cdy,static}lib in Makefile.
 crate-type = ["rlib"]
 
 [features]
diff --git a/Makefile b/Makefile
index 84fe948..51f863a 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,8 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with this program. If not, see <https://www.gnu.org/licenses/>.
 
+SHELL := /bin/bash
+
 CARGO ?= cargo
 CARGO_NIGHTLY ?= cargo +nightly
 
@@ -48,8 +50,8 @@ CARGO_CHECK := $(call cargo_hack,$(CARGO),check)
 CARGO_CLIPPY := $(call cargo_hack,$(CARGO),clippy)
 CARGO_LLVM_COV := $(call cargo_hack,$(CARGO_NIGHTLY),llvm-cov)
 
-RUSTC_FLAGS := --features=capi -- -C panic=abort
-CARGO_FLAGS ?=
+RUSTC_FLAGS := -C panic=abort
+CARGO_FLAGS ?= --features=capi
 
 SRC_FILES = $(wildcard Cargo.*) $(shell find . -name '*.rs')
 
@@ -58,21 +60,29 @@ SRC_FILES = $(wildcard Cargo.*) $(shell find . -name '*.rs')
 debug: target/debug
 
 target/debug: $(SRC_FILES)
+	# MSRV(1.64): Use cargo rustc --crate-type={cdy,static}lib.
+	sed -i.orig '/^crate-type/ s/=.*/= ["rlib", "cdylib", "staticlib"]/' Cargo.toml
+	RUSTFLAGS="$(RUSTC_FLAGS)" $(CARGO) build $(CARGO_FLAGS)
+	mv Cargo.toml{.orig,}
 	# For some reason, --crate-types needs separate invocations. We can't use
 	# #![crate_type] unfortunately, as using it with #![cfg_attr] has been
 	# deprecated. <https://github.com/rust-lang/rust/issues/91632>
-	$(CARGO) rustc $(CARGO_FLAGS) --crate-type=cdylib    $(RUSTC_FLAGS)
-	$(CARGO) rustc $(CARGO_FLAGS) --crate-type=staticlib $(RUSTC_FLAGS)
+	#$(CARGO) rustc $(CARGO_FLAGS) --crate-type=cdylib    $(RUSTC_FLAGS)
+	#$(CARGO) rustc $(CARGO_FLAGS) --crate-type=staticlib $(RUSTC_FLAGS)
 
 .PHONY: release
 release: target/release
 
 target/release: $(SRC_FILES)
+	# MSRV(1.64): Use cargo rustc --crate-type={cdy,static}lib.
+	sed -i.orig '/^crate-type/ s/=.*/= ["rlib", "cdylib", "staticlib"]/' Cargo.toml
+	RUSTFLAGS="$(RUSTC_FLAGS)" $(CARGO) build $(CARGO_FLAGS)
+	mv Cargo.toml{.orig,}
 	# For some reason, --crate-types needs separate invocations. We can't use
 	# #![crate_type] unfortunately, as using it with #![cfg_attr] has been
 	# deprecated. <https://github.com/rust-lang/rust/issues/91632>
-	$(CARGO) rustc $(CARGO_FLAGS) --release --crate-type=cdylib    $(RUSTC_FLAGS)
-	$(CARGO) rustc $(CARGO_FLAGS) --release --crate-type=staticlib $(RUSTC_FLAGS)
+	#$(CARGO) rustc $(CARGO_FLAGS) --release --crate-type=cdylib    $(RUSTC_FLAGS)
+	#$(CARGO) rustc $(CARGO_FLAGS) --release --crate-type=staticlib $(RUSTC_FLAGS)
 
 .PHONY: smoke-test
 smoke-test: