   Compiling sysctl v0.5.5
error[E0433]: failed to resolve: maybe a missing crate `sys`?
  --> /usr/pkgsrc/wip/aichat/work/vendor/sysctl-0.5.5/src/lib.rs:77:9
   |
77 | pub use sys::ctl::*;
   |         ^^^ maybe a missing crate `sys`?
   |
   = help: consider adding `extern crate sys` to use the `sys` crate

error[E0433]: failed to resolve: maybe a missing crate `sys`?
  --> /usr/pkgsrc/wip/aichat/work/vendor/sysctl-0.5.5/src/lib.rs:78:9
   |
78 | pub use sys::ctl_iter::*;
   |         ^^^ maybe a missing crate `sys`?
   |
   = help: consider adding `extern crate sys` to use the `sys` crate

error[E0432]: unresolved imports `sys::ctl::*`, `sys::ctl_iter::*`
  --> /usr/pkgsrc/wip/aichat/work/vendor/sysctl-0.5.5/src/lib.rs:77:9
   |
77 | pub use sys::ctl::*;
   |         ^^^^^^^^^^^
78 | pub use sys::ctl_iter::*;
   |         ^^^^^^^^^^^^^^^^

Some errors have detailed explanations: E0432, E0433.
For more information about an error, try `rustc --explain E0432`.
error: could not compile `sysctl` (lib) due to 3 previous errors
warning: build failed, waiting for other jobs to finish...
*** Error code 101
