fix: fix duplicate imports, type mismatch, and missing Read trait

src/main.rs

@@ -1,4 +1,5 @@
 use nix::fcntl::FdFlag;
+use std::io::Read;
 use nix::unistd::{close, pipe};
 use nix::Error as NixError;
 use std::collections::HashMap;
@@ -302,7 +303,7 @@ fn main() -> Result<(), Error> {
     debug!("MAIN: DB opened successfully");
 
     match mode {
-        KeepModes::Save => crate::modes::save::mode_save(&mut cmd, args, ids, tags, conn, data_path)?,
+        KeepModes::Save => crate::modes::save::mode_save(&mut cmd, args, ids, tags, &mut conn, data_path)?,
         KeepModes::Get => {
             crate::modes::get::mode_get(&mut cmd, args, ids, tags, &mut conn, data_path)?
         }