cargo: swap example (#22424)

Co-authored-by: Lena Pastwa <lena@lnps.me>

pages/common/cargo.md

@@ -28,10 +28,10 @@
 
 `cargo {{[b|build]}} {{[-r|--release]}}`
 
+- Run the built binary (will build it if it's not already built):
+
+`cargo {{[r|run]}}`
+
 - Build the Rust project in the current directory using the nightly compiler (requires `rustup`):
 
 `cargo +nightly {{[b|build]}}`
-
-- Build using a specific number of threads (default is the number of logical CPUs):
-
-`cargo {{[b|build]}} {{[-j|--jobs]}} {{number_of_threads}}`