Example output:

$ cargo run && cargo run --release

   Compiling quote v1.0.35
   Compiling quote-benchmark v0.0.0
macro in debug mode: 440 micros
    Finished dev [unoptimized + debuginfo] target(s) in 4.39s
     Running `target/debug/quote-benchmark`
non-macro in debug mode: 537 micros
   Compiling quote v1.0.35
   Compiling quote-benchmark v0.0.0
macro in release mode: 423 micros
    Finished release [optimized] target(s) in 4.00s
     Running `target/release/quote-benchmark`
non-macro in release mode: 134 micros