error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:16:5 | 16 | (u8 as u32) > 300; | ^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:17:5 | 17 | (u8 as i32) > 300; | ^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:18:5 | 18 | (u8 as u32) == 300; | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:19:5 | 19 | (u8 as i32) == 300; | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:20:5 | 20 | 300 < (u8 as u32); | ^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:21:5 | 21 | 300 < (u8 as i32); | ^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:22:5 | 22 | 300 == (u8 as u32); | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:23:5 | 23 | 300 == (u8 as i32); | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:25:5 | 25 | (u8 as u32) <= 300; | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:26:5 | 26 | (u8 as i32) <= 300; | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:27:5 | 27 | (u8 as u32) != 300; | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:28:5 | 28 | (u8 as i32) != 300; | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:29:5 | 29 | 300 >= (u8 as u32); | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:30:5 | 30 | 300 >= (u8 as i32); | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:31:5 | 31 | 300 != (u8 as u32); | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:32:5 | 32 | 300 != (u8 as i32); | ^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:35:5 | 35 | (u8 as i32) < 0; | ^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:36:5 | 36 | -5 != (u8 as i32); | ^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:38:5 | 38 | (u8 as i32) >= 0; | ^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:39:5 | 39 | -5 == (u8 as i32); | ^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:42:5 | 42 | 1337 == (u8 as i32); | ^^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:43:5 | 43 | 1337 == (u8 as u32); | ^^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:45:5 | 45 | 1337 != (u8 as i32); | ^^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:46:5 | 46 | 1337 != (u8 as u32); | ^^^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always true --> invalid_upcast_comparisons.rs:61:5 | 61 | (u8 as i32) > -1; | ^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:62:5 | 62 | (u8 as i32) < -1; | ^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: because of the numeric bounds on `u8` prior to casting, this expression is always false --> invalid_upcast_comparisons.rs:78:5 | 78 | -5 >= (u8 as i32); | ^^^^^^^^^^^^^^^^^ | = note: `-D invalid-upcast-comparisons` implied by `-D warnings` error: aborting due to previous error(s) To learn more, run the command again with --verbose.