error: single argument that looks like it should be multiple arguments --> $DIR/suspicious_command_arg_space.rs:3:44 | LL | std::process::Command::new("echo").arg("-n hello").spawn().unwrap(); | ^^^^^^^^^^ | = note: `-D clippy::suspicious-command-arg-space` implied by `-D warnings` help: consider splitting the argument | LL | std::process::Command::new("echo").args(["-n", "hello"]).spawn().unwrap(); | ~~~~ ~~~~~~~~~~~~~~~ error: single argument that looks like it should be multiple arguments --> $DIR/suspicious_command_arg_space.rs:6:43 | LL | std::process::Command::new("cat").arg("--number file").spawn().unwrap(); | ^^^^^^^^^^^^^^^ | help: consider splitting the argument | LL | std::process::Command::new("cat").args(["--number", "file"]).spawn().unwrap(); | ~~~~ ~~~~~~~~~~~~~~~~~~~~ error: aborting due to 2 previous errors