diff --git a/src/wrappers/themis/rust/libthemis-src/src/lib.rs b/src/wrappers/themis/rust/libthemis-src/src/lib.rs
index 4b639c9f7..7ffc512a0 100644
--- a/src/wrappers/themis/rust/libthemis-src/src/lib.rs
+++ b/src/wrappers/themis/rust/libthemis-src/src/lib.rs
@@ -34,14 +34,12 @@
 //! Typical usage from a `*-sys` crate looks like this:
 //!
 //! ```no_run
-//! fn main() {
-//!     #[cfg(feature = "vendored")]
-//!     libthemis_src::make();
+//! #[cfg(feature = "vendored")]
+//! libthemis_src::make();
 //!
-//!     // Go on with your usual build.rs business, pkg_config crate
-//!     // should be able to locate the local installation of Themis.
-//!     // You'll probably need to use the static library.
-//! }
+//! // Go on with your usual build.rs business, pkg_config crate
+//! // should be able to locate the local installation of Themis.
+//! // You'll probably need to use the static library.
 //! ```
 
 use std::env;
diff --git a/tests/rust/run_tests.sh b/tests/rust/run_tests.sh
index a20f8a27e..f7d8d8ca8 100755
--- a/tests/rust/run_tests.sh
+++ b/tests/rust/run_tests.sh
@@ -31,8 +31,13 @@ cargo test --all -- --test-threads 1
 echo
 echo "Checking documentation..."
 echo
-cargo clean --doc && cargo doc --no-deps
-cargo clean --doc && cargo doc --no-deps --features "vendored"
+# Cargo does not allow "--features" to be used with virtual crate in workspace.
+# Jump into RustThemis subdirectory to make Cargo happy and use "--workspace"
+# to still document all crates in the workspace.
+cd src/wrappers/themis/rust
+cargo clean --doc && cargo doc --workspace --no-deps
+cargo clean --doc && cargo doc --workspace --no-deps --features "vendored"
+cd -
 
 echo
 echo "Rust tests OK!"