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: to override `-D warnings` add `#[allow(clippy::suspicious_command_arg_space)]`
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