1 error[E0596]: cannot borrow `tick1` as mutable, as it is not declared as mutable
2 --> $DIR/unboxed-closures-infer-fnmut-calling-fnmut-no-mut.rs:16:9
5 | ----- help: consider changing this to be mutable: `mut tick1`
7 | ------- calling `tick1` requires mutable binding due to mutable borrow of `counter`
10 | ^^^^^ cannot borrow as mutable
12 error[E0596]: cannot borrow `tick2` as mutable, as it is not declared as mutable
13 --> $DIR/unboxed-closures-infer-fnmut-calling-fnmut-no-mut.rs:19:5
16 | ----- calling `tick2` requires mutable binding due to mutable borrow of `tick1`
19 | ^^^^^ cannot borrow as mutable
21 help: consider changing this to be mutable
23 LL | let mut tick2 = || {
26 error: aborting due to 2 previous errors
28 For more information about this error, try `rustc --explain E0596`.