1 error[E0620]: cast to unsized type: `&[usize; 2]` as `[usize]`
2 --> $DIR/issue-17441.rs:2:16
4 LL | let _foo = &[1_usize, 2] as [usize];
5 | ^^^^^^^^^^^^^^^^^^^^^^^^
7 help: consider using an implicit coercion to `&[usize]` instead
8 --> $DIR/issue-17441.rs:2:16
10 LL | let _foo = &[1_usize, 2] as [usize];
11 | ^^^^^^^^^^^^^^^^^^^^^^^^
13 error[E0620]: cast to unsized type: `Box<usize>` as `dyn Debug`
14 --> $DIR/issue-17441.rs:5:16
16 LL | let _bar = Box::new(1_usize) as dyn std::fmt::Debug;
17 | ^^^^^^^^^^^^^^^^^^^^^-------------------
19 | help: you can cast to a `Box` instead: `Box<dyn std::fmt::Debug>`
21 error[E0620]: cast to unsized type: `usize` as `dyn Debug`
22 --> $DIR/issue-17441.rs:8:16
24 LL | let _baz = 1_usize as dyn std::fmt::Debug;
25 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
27 help: consider using a box or reference as appropriate
28 --> $DIR/issue-17441.rs:8:16
30 LL | let _baz = 1_usize as dyn std::fmt::Debug;
33 error[E0620]: cast to unsized type: `[usize; 2]` as `[usize]`
34 --> $DIR/issue-17441.rs:11:17
36 LL | let _quux = [1_usize, 2] as [usize];
37 | ^^^^^^^^^^^^^^^^^^^^^^^
39 help: consider using a box or reference as appropriate
40 --> $DIR/issue-17441.rs:11:17
42 LL | let _quux = [1_usize, 2] as [usize];
45 error: aborting due to 4 previous errors
47 For more information about this error, try `rustc --explain E0620`.