This happens if you do not run the build script:

    Stderr: error[E0432]: unresolved import `shared::basetsd`
     --> third-party\winapi-0.3.9.crate/src\shared\minwindef.rs:8:13
      |
    8 | use shared::basetsd::{LONG_PTR, UINT_PTR};
      |             ^^^^^^^ could not find `basetsd` in `shared`

    error[E0432]: unresolved import `shared::ntdef`
     --> third-party\winapi-0.3.9.crate/src\shared\minwindef.rs:9:13
      |
    9 | use shared::ntdef::{HANDLE, LONG};
      |             ^^^^^ could not find `ntdef` in `shared`

    error[E0432]: unresolved import `shared::wtypesbase`
     --> third-party\winapi-0.3.9.crate/src\shared\winerror.rs:9:13
      |
    9 | use shared::wtypesbase::SCODE;
      |             ^^^^^^^^^^ could not find `wtypesbase` in `shared`

    error[E0432]: unresolved import `um::wincontypes`
     --> third-party\winapi-0.3.9.crate/src\um\consoleapi.rs:9:9
      |
    9 | use um::wincontypes::{COORD, HPCON, PINPUT_RECORD};
      |         ^^^^^^^^^^^ could not find `wincontypes` in `um`

    error[E0432]: unresolved import `shared::basetsd`
     --> third-party\winapi-0.3.9.crate/src\um\errhandlingapi.rs:7:13
      |
    7 | use shared::basetsd::ULONG_PTR;
      |             ^^^^^^^ could not find `basetsd` in `shared`

    error[E0432]: unresolved import `um::minwinbase`
      --> third-party\winapi-0.3.9.crate/src\um\fileapi.rs:11:9
       |
    11 | use um::minwinbase::{
       |         ^^^^^^^^^^ could not find `minwinbase` in `um`

    error[E0432]: unresolved import `shared::basetsd`
     --> third-party\winapi-0.3.9.crate/src\um\winbase.rs:8:13
      |
    8 | use shared::basetsd::{
      |             ^^^^^^^ could not find `basetsd` in `shared`

    error[E0432]: unresolved import `shared::windef`
      --> third-party\winapi-0.3.9.crate/src\um\winbase.rs:18:13
       |
    18 | use shared::windef::HWND;
       |             ^^^^^^ could not find `windef` in `shared`

    error[E0432]: unresolved import `um::cfgmgr32`
      --> third-party\winapi-0.3.9.crate/src\um\winbase.rs:19:9
       |
    19 | use um::cfgmgr32::MAX_PROFILE_LEN;
       |         ^^^^^^^^ could not find `cfgmgr32` in `um`

    error[E0432]: unresolved import `um::libloaderapi`
      --> third-party\winapi-0.3.9.crate/src\um\winbase.rs:21:9
       |
    21 | use um::libloaderapi::{
       |         ^^^^^^^^^^^^ could not find `libloaderapi` in `um`

    error[E0432]: unresolved import `um::minwinbase`
      --> third-party\winapi-0.3.9.crate/src\um\winbase.rs:24:9
       |
    24 | use um::minwinbase::{
       |         ^^^^^^^^^^ could not find `minwinbase` in `um`

    error[E0432]: unresolved import `um::processthreadsapi`
      --> third-party\winapi-0.3.9.crate/src\um\winbase.rs:28:9
       |
    28 | use um::processthreadsapi::{
       |         ^^^^^^^^^^^^^^^^^ could not find `processthreadsapi` in `um`

    error[E0432]: unresolved import `vc::vadefs`
      --> third-party\winapi-0.3.9.crate/src\um\winbase.rs:47:9
       |
    47 | use vc::vadefs::va_list;
       |         ^^^^^^ could not find `vadefs` in `vc`

    error[E0432]: unresolved import `shared::windef`
      --> third-party\winapi-0.3.9.crate/src\um\wincon.rs:10:13
       |
    10 | use shared::windef::{COLORREF, HWND};
       |             ^^^^^^ could not find `windef` in `shared`

    error[E0432]: unresolved import `um::minwinbase`
      --> third-party\winapi-0.3.9.crate/src\um\wincon.rs:11:9
       |
    11 | use um::minwinbase::SECURITY_ATTRIBUTES;
       |         ^^^^^^^^^^ could not find `minwinbase` in `um`

    error[E0432]: unresolved import `um::wingdi`
      --> third-party\winapi-0.3.9.crate/src\um\wincon.rs:12:9
       |
    12 | use um::wingdi::LF_FACESIZE;
       |         ^^^^^^ could not find `wingdi` in `um`

    error[E0432]: unresolved import `um::wincontypes`
      --> third-party\winapi-0.3.9.crate/src\um\wincon.rs:18:13
       |
    18 | pub use um::wincontypes::{
       |             ^^^^^^^^^^^ could not find `wincontypes` in `um`

    error[E0432]: unresolved import `shared::basetsd`
     --> third-party\winapi-0.3.9.crate/src\um\winnt.rs:9:13
      |
    9 | use shared::basetsd::{
      |             ^^^^^^^ could not find `basetsd` in `shared`

    error[E0432]: unresolved import `shared::ktmtypes`
      --> third-party\winapi-0.3.9.crate/src\um\winnt.rs:13:13
       |
    13 | use shared::ktmtypes::UOW;
       |             ^^^^^^^^ could not find `ktmtypes` in `shared`

    error[E0432]: unresolved import `vc::excpt`
      --> third-party\winapi-0.3.9.crate/src\um\winnt.rs:17:9
       |
    17 | use vc::excpt::EXCEPTION_DISPOSITION;
       |         ^^^^^ could not find `excpt` in `vc`

    error[E0432]: unresolved import `vc::vcruntime`
      --> third-party\winapi-0.3.9.crate/src\um\winnt.rs:18:9
       |
    18 | use vc::vcruntime::size_t;
       |         ^^^^^^^^^ could not find `vcruntime` in `vc`

    error[E0432]: unresolved import `shared::ntdef`
       --> third-party\winapi-0.3.9.crate/src\um\winnt.rs:151:17
        |
    151 | pub use shared::ntdef::LARGE_INTEGER;
        |                 ^^^^^ could not find `ntdef` in `shared`

    error[E0432]: unresolved import `shared::ntdef`
       --> third-party\winapi-0.3.9.crate/src\um\winnt.rs:153:17
        |
    153 | pub use shared::ntdef::ULARGE_INTEGER;
        |                 ^^^^^ could not find `ntdef` in `shared`

    error[E0432]: unresolved imports `shared::ntdef`, `um::winnt::LARGE_INTEGER`, `um::winnt::LARGE_INTEGER`, `um::winnt::ULARGE_INTEGER`
       --> third-party\winapi-0.3.9.crate/src\um\fileapi.rs:17:64
        |
    17  |     BOOLEAN, CCHAR, FILE_ID_128, FILE_SEGMENT_ELEMENT, HANDLE, LARGE_INTEGER, LONG, LONGLONG,
        |                                                                ^^^^^^^^^^^^^
        |
       ::: third-party\winapi-0.3.9.crate/src\um\winnt.rs:159:17
        |
    159 | pub use shared::ntdef::LUID;
        |                 ^^^^^ could not find `ntdef` in `shared`
        |
       ::: third-party\winapi-0.3.9.crate/src\um\winbase.rs:34:5
        |
    34  |     LARGE_INTEGER, LATENCY_TIME, LONG, LPCCH, LPCH, LPCSTR, LPCWSTR, LPOSVERSIONINFOEXA,
        |     ^^^^^^^^^^^^^
    ...
    42  |     THREAD_BASE_PRIORITY_MAX, THREAD_BASE_PRIORITY_MIN, ULARGE_INTEGER, VOID, WAITORTIMERCALLBACK,
        |                                                         ^^^^^^^^^^^^^^

    error[E0204]: the trait `Copy` may not be implemented for this type
        --> third-party\winapi-0.3.9.crate/src\macros.rs:389:29
         |
    389  |           #[repr(C)] #[derive(Copy)] $(#[$attrs])*
         |                               ^^^^
    390  |           pub struct $name {
    391  |               $(pub $field: $ftype,) 
         |                 ------------------ this field does not implement `Copy`
         |
        ::: third-party\winapi-0.3.9.crate/src\um\winbase.rs:2405:1
         |
    2405 | / STRUCT!{struct HW_PROFILE_INFOA {
    2406 | |     dwDockInfo: DWORD,
    2407 | |     szHwProfileGuid: [CHAR; HW_PROFILE_GUIDLEN],
    2408 | |     szHwProfileName: [CHAR; MAX_PROFILE_LEN],
    2409 | | }}
         | |__- in this macro invocation
         |
         = note: this error originates in the derive macro `Copy` which comes from the expansion of the macro `STRUCT` (in Nightly builds, run with -Z macro-backtrace for more info)

    error[E0204]: the trait `Copy` may not be implemented for this type
        --> third-party\winapi-0.3.9.crate/src\macros.rs:389:29
         |
    389  |           #[repr(C)] #[derive(Copy)] $(#[$attrs])*
         |                               ^^^^
    390  |           pub struct $name {
    391  |               $(pub $field: $ftype,) 
         |                 ------------------ this field does not implement `Copy`
         |
        ::: third-party\winapi-0.3.9.crate/src\um\winbase.rs:2411:1
         |
    2411 | / STRUCT!{struct HW_PROFILE_INFOW {
    2412 | |     dwDockInfo: DWORD,
    2413 | |     szHwProfileGuid: [WCHAR; HW_PROFILE_GUIDLEN],
    2414 | |     szHwProfileName: [WCHAR; MAX_PROFILE_LEN],
    2415 | | }}
         | |__- in this macro invocation
         |
         = note: this error originates in the derive macro `Copy` which comes from the expansion of the macro `STRUCT` (in Nightly builds, run with -Z macro-backtrace for more info)

    error[E0204]: the trait `Copy` may not be implemented for this type
       --> third-party\winapi-0.3.9.crate/src\macros.rs:389:29
        |
    389 |           #[repr(C)] #[derive(Copy)] $(#[$attrs])*
        |                               ^^^^
    390 |           pub struct $name {
    391 |               $(pub $field: $ftype,) 
        |                 ------------------ this field does not implement `Copy`
        |
       ::: third-party\winapi-0.3.9.crate/src\um\wincon.rs:78:1
        |
    78  | / STRUCT!{struct CONSOLE_FONT_INFOEX {
    79  | |     cbSize: ULONG,
    80  | |     nFont: DWORD,
    81  | |     dwFontSize: COORD,
    ...   |
    84  | |     FaceName: [WCHAR; LF_FACESIZE],
    85  | | }}
        | |__- in this macro invocation
        |
        = note: this error originates in the derive macro `Copy` which comes from the expansion of the macro `STRUCT` (in Nightly builds, run with -Z macro-backtrace for more info)

    error: aborting due to 27 previous errors

    Some errors have detailed explanations: E0204, E0432.

    For more information about an error, try `rustc --explain E0204`.