[classabbyamp]

without this cast, build fails with this error on 32-bit platforms, because XScreenSaverInfo.idle has the type c_ulong, which is u32 on 32-bit platforms and u64 on 64-bit platforms:

   Compiling wired v0.10.7 (/builddir/wired-notify-0.10.7)
error[E0308]: mismatched types
   --> src/manager.rs:210:48
    |
210 |                         if info_idle / 1000 >= threshold {
    |                                                ^^^^^^^^^ expected `u32`, found `u64`

error[E0277]: can't compare `u32` with `u64`
   --> src/manager.rs:210:45
    |
210 |                         if info_idle / 1000 >= threshold {
    |                                             ^^ no implementation for `u32 < u64` and `u32 > u64`
    |
    = help: the trait `PartialOrd<u64>` is not implemented for `u32`
help: `u32` implements trait `PartialOrd<Rhs>`
   --> /rustc/88d9e12ae178fab0fb5cc050a94da85685d449ea/library/core/src/cmp.rs:1997:12
    |
    = note: `PartialOrd`
   ::: /rustc/88d9e12ae178fab0fb5cc050a94da85685d449ea/library/core/src/cmp.rs:2080:4
    |
    = note: in this macro invocation
    |
   ::: /host/cargo/registry/src/index.crates.io-1949cf8c6b5b557f/glib-0.15.5/src/types.rs:429:1
    |
429 | impl PartialOrd<ULong> for libc::c_ulong {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `PartialOrd<ULong>`
    = note: this error originates in the macro `ord_impl` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0308]: mismatched types
   --> src/manager.rs:217:47
    |
217 |                         self.last_idle_time = info_idle;
    |                         -------------------   ^^^^^^^^^ expected `u64`, found `u32`
    |                         |
    |                         expected due to the type of this binding

Some errors have detailed explanations: E0277, E0308.
For more information about an error, try `rustc --explain E0277`.
error: could not compile `wired` (bin "wired") due to 3 previous errors

[Toqozz]

Thank you!