1warnings.rs:6:1: warning: control reaches end of non-void function 2warnings.rs:9:7: warning: unused variable 'k' 3warnings.rs:11:7: warning: unused variable 'j' 4warnings.rs:11:11: warning: variable 'l' is uninitialized when used here 5warnings.rs:10:8: note: initialize the variable 'l' to silence this warning 6warnings.rs:5:12: warning: unused function 'foo' 7warnings.rs:8:13: warning: unused function 'bar' 8