   Compiling trust-dns-resolver v0.23.2
error[E0425]: cannot find value `get_open_sockets` in this scope
   --> src/os/shared.rs:215:9
    |
215 |         get_open_sockets,
    |         ^^^^^^^^^^^^^^^^ not found in this scope

error[E0425]: cannot find function `eperm_message` in this scope
   --> src/os/shared.rs:178:17
    |
178 |                 eperm_message(),
    |                 ^^^^^^^^^^^^^ not found in this scope

error[E0425]: cannot find function `eperm_message` in this scope
   --> src/os/shared.rs:184:17
    |
184 |                 eperm_message()
    |                 ^^^^^^^^^^^^^ not found in this scope

For more information about this error, try `rustc --explain E0425`.
error: could not compile `bandwhich` (bin "bandwhich") due to 3 previous errors
*** Error code 101
