reduce compiler warnings

src/backup/archive_index.rs

@@ -23,7 +23,7 @@ pub struct ArchiveIndexHeader {
 
 pub struct ArchiveIndexReader {
     store: Arc<ChunkStore>,
-    file: File,
+    _file: File,
     size: usize,
     filename: PathBuf,
     index: *const u8,
@@ -95,7 +95,7 @@ impl ArchiveIndexReader {
         Ok(Self {
             store,
             filename: full_path,
-            file,
+            _file: file,
             size,
             index: data,
             index_entries: index_size/40,

src/bin/proxmox-backup-client.rs

@@ -1,7 +1,7 @@
 extern crate proxmox_backup;
 
 use failure::*;
-use std::os::unix::io::AsRawFd;
+//use std::os::unix::io::AsRawFd;
 
 use proxmox_backup::tools;
 use proxmox_backup::cli::command::*;
@@ -13,7 +13,7 @@ use proxmox_backup::client::catar_backup_stream::*;
 //use proxmox_backup::backup::image_index::*;
 //use proxmox_backup::config::datastore;
 //use proxmox_backup::catar::encoder::*;
-use proxmox_backup::backup::datastore::*;
+//use proxmox_backup::backup::datastore::*;
 
 use serde_json::{Value};
 use hyper::Body;
@@ -71,13 +71,13 @@ fn create_backup(param: Value, _info: &ApiMethod) -> Result<Value, Error> {
     let store = tools::required_string_param(&param, "store")?;
     let target = tools::required_string_param(&param, "target")?;
 
-    let mut chunk_size = 4*1024*1024;
+    let mut _chunk_size = 4*1024*1024;
 
     if let Some(size) = param["chunk-size"].as_u64() {
         static SIZES: [u64; 7] = [64, 128, 256, 512, 1024, 2048, 4096];
 
         if SIZES.contains(&size) {
-            chunk_size = (size as usize) * 1024;
+            _chunk_size = (size as usize) * 1024;
         } else {
             bail!("Got unsupported chunk size '{}'", size);
         }
@@ -101,7 +101,7 @@ fn create_backup(param: Value, _info: &ApiMethod) -> Result<Value, Error> {
         println!("Backup image '{}' to '{}'", filename, store);
 
         if stat.st_size <= 0 { bail!("got strange file size '{}'", stat.st_size); }
-        let size = stat.st_size as usize;
+        let _size = stat.st_size as usize;
 
         panic!("implement me");
 

src/client/catar_backup_stream.rs

@@ -49,7 +49,7 @@ impl CaTarBackupStream {
 
     pub fn open(dirname: &str) -> Result<Self, Error> {
 
-        let mut dir = nix::dir::Dir::open(dirname, OFlag::O_DIRECTORY, Mode::empty())?;
+        let dir = nix::dir::Dir::open(dirname, OFlag::O_DIRECTORY, Mode::empty())?;
         let path = std::path::PathBuf::from(dirname);
 
         Self::new(dir, path)

src/config/datastore.rs

@@ -78,7 +78,7 @@ pub fn save_config(config: &SectionConfigData) -> Result<(), Error> {
 }
 
 // shell completion helper
-pub fn complete_datastore_name(arg: &str) -> Vec<String> {
+pub fn complete_datastore_name(_arg: &str) -> Vec<String> {
     match config() {
         Ok(data) => data.sections.iter().map(|(id,_)| id.to_string()).collect(),
         Err(_) => return vec![],