1 error: `extern` block uses type `U`, which is not FFI-safe
2 --> $DIR/lint-ctypes-enum.rs:60:13
7 note: the lint level is defined here
8 --> $DIR/lint-ctypes-enum.rs:3:9
10 LL | #![deny(improper_ctypes)]
12 = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
13 = note: enum has no representation hint
14 note: the type is defined here
15 --> $DIR/lint-ctypes-enum.rs:9:1
20 error: `extern` block uses type `B`, which is not FFI-safe
21 --> $DIR/lint-ctypes-enum.rs:61:13
26 = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
27 = note: enum has no representation hint
28 note: the type is defined here
29 --> $DIR/lint-ctypes-enum.rs:12:1
34 error: `extern` block uses type `T`, which is not FFI-safe
35 --> $DIR/lint-ctypes-enum.rs:62:13
40 = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
41 = note: enum has no representation hint
42 note: the type is defined here
43 --> $DIR/lint-ctypes-enum.rs:16:1
48 error: `extern` block uses type `u128`, which is not FFI-safe
49 --> $DIR/lint-ctypes-enum.rs:74:23
51 LL | fn nonzero_u128(x: Option<num::NonZeroU128>);
52 | ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
54 = note: 128-bit integers don't currently have a known stable ABI
56 error: `extern` block uses type `i128`, which is not FFI-safe
57 --> $DIR/lint-ctypes-enum.rs:81:23
59 LL | fn nonzero_i128(x: Option<num::NonZeroI128>);
60 | ^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
62 = note: 128-bit integers don't currently have a known stable ABI
64 error: `extern` block uses type `Option<TransparentUnion<NonZeroU8>>`, which is not FFI-safe
65 --> $DIR/lint-ctypes-enum.rs:86:28
67 LL | fn transparent_union(x: Option<TransparentUnion<num::NonZeroU8>>);
68 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
70 = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
71 = note: enum has no representation hint
73 error: `extern` block uses type `Option<Rust<NonZeroU8>>`, which is not FFI-safe
74 --> $DIR/lint-ctypes-enum.rs:88:20
76 LL | fn repr_rust(x: Option<Rust<num::NonZeroU8>>);
77 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
79 = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
80 = note: enum has no representation hint
82 error: `extern` block uses type `Result<(), NonZeroI32>`, which is not FFI-safe
83 --> $DIR/lint-ctypes-enum.rs:89:20
85 LL | fn no_result(x: Result<(), num::NonZeroI32>);
86 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
88 = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
89 = note: enum has no representation hint
91 error: aborting due to 8 previous errors