error in compiling part of `api` example about nvim-oxi HOT 5 CLOSED

error[E0432]: unresolved import `std::ffi::c_int`
 --> crates/luajit-bindings/src/error.rs:1:5
  |
1 | use std::ffi::c_int;
  |     ^^^^^^^^^^^^^^^ no `c_int` in `ffi`

error[E0432]: unresolved imports `std::ffi::c_char`, `std::ffi::c_double`, `std::ffi::c_int`
 --> crates/luajit-bindings/src/ffi.rs:4:16
  |
4 | use std::ffi::{c_char, c_double, c_int, c_void};
  |                ^^^^^^  ^^^^^^^^  ^^^^^ no `c_int` in `ffi`
  |                |       |
  |                |       no `c_double` in `ffi`
  |                no `c_char` in `ffi`
                                                                                    
error[E0432]: unresolved import `std::ffi::c_int`
 --> crates/luajit-bindings/src/function.rs:2:16
  |
2 | use std::ffi::{c_int, CStr};
  |                ^^^^^ no `c_int` in `ffi`
                                                                                    
error[E0432]: unresolved import `std::ffi::c_char`
 --> crates/luajit-bindings/src/macros.rs:1:5
  |
1 | use std::ffi::c_char;
  |     ^^^^^^^^^^^^^^^^ no `c_char` in `ffi`
                                                                                    
error[E0432]: unresolved imports `std::ffi::c_char`, `std::ffi::c_int`
 --> crates/luajit-bindings/src/pushable.rs:1:16
  |
1 | use std::ffi::{c_char, c_int};
  |                ^^^^^^  ^^^^^ no `c_int` in `ffi`
  |                |
  |                no `c_char` in `ffi`
                                                                                    
error[E0432]: unresolved import `std::ffi::c_int`
 --> crates/luajit-bindings/src/utils.rs:1:16
  |
1 | use std::ffi::{c_int, CStr};
  |                ^^^^^ no `c_int` in `ffi`
                                                                                    
error[E0412]: cannot find type `c_int` in module `std::ffi`
  --> crates/luajit-bindings/src/error.rs:58:24
   |
58 |         idx: std::ffi::c_int,
   |                        ^^^^^ not found in `std::ffi`
   |
help: consider importing one of these items
   |
1  | use core::ffi::c_int;
   |
1  | use std::os::raw::c_int;
   |
help: if you import `c_int`, refer to it directly
   |
58 -         idx: std::ffi::c_int,
58 +         idx: c_int,
   |
                                                                                    
error[E0412]: cannot find type `c_char` in module `std::ffi`
  --> crates/luajit-bindings/src/macros.rs:9:64
   |
9  |         concat!($s, "\0") as *const str as *const [::std::ffi::c_char]
   |                                                                ^^^^^^ not found in `std::ffi`
...
72 |             lua_getglobal(lstate, cstr!("print"));
   |                                   -------------- in this macro invocation
   |
   = note: this error originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing one of these items
   |
1  | use core::ffi::c_char;
   |
1  | use std::os::raw::c_char;
   |
help: if you import `c_char`, refer to it directly
   |
9  -         concat!($s, "\0") as *const str as *const [::std::ffi::c_char]
9  +         concat!($s, "\0") as *const str as *const [c_char]
   |

error[E0412]: cannot find type `c_char` in module `std::ffi`
  --> crates/luajit-bindings/src/macros.rs:10:35
   |
10 |             as *const ::std::ffi::c_char
   |                                   ^^^^^^ not found in `std::ffi`
...
72 |             lua_getglobal(lstate, cstr!("print"));
   |                                   -------------- in this macro invocation
   |
   = note: this error originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing one of these items
   |
1  | use core::ffi::c_char;
   |
1  | use std::os::raw::c_char;
   |
help: if you import `c_char`, refer to it directly
   |
10 -             as *const ::std::ffi::c_char
10 +             as *const c_char
   |
                                                                                    
error[E0308]: mismatched types
   --> crates/luajit-bindings/src/poppable.rs:198:33
    |
192 | impl<K, V> Poppable for HashMap<K, V>
    |      - this type parameter
...
198 |         if lua_gettop(state) == 0 {
    |                                 ^ expected type parameter `K`, found integer
    |
    = note: expected type parameter `K`
                         found type `{integer}`

error[E0308]: mismatched types
   --> crates/luajit-bindings/src/poppable.rs:211:46
    |
192 | impl<K, V> Poppable for HashMap<K, V>
    |      - this type parameter
...
211 |                 while lua_next(state, -2) != 0 {
    |                                              ^ expected type parameter `K`, found integer
    |
    = note: expected type parameter `K`
                         found type `{integer}`

Some errors have detailed explanations: E0308, E0412, E0432.
For more information about an error, try `rustc --explain E0308`.
error: could not compile `luajit-bindings` due to 11 previous errors
warning: build failed, waiting for other jobs to finish...