Nov 30 19:39:56.337 INFO testing yuanpx/sundfs against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Nov 30 19:39:56.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:39:56.791 INFO [stdout] fe63b70691db1fb67a394e69cda944d837d641013828d6796ef939bae33926ee
Nov 30 19:39:56.797 INFO running `"docker" "start" "-a" "fe63b70691db1fb67a394e69cda944d837d641013828d6796ef939bae33926ee"`
Nov 30 19:39:58.591 INFO [stderr] usermod: no changes
Nov 30 19:39:58.715 INFO [stderr]    Compiling libc v0.2.21
Nov 30 19:39:58.719 INFO [stderr]    Compiling cfg-if v0.1.0
Nov 30 19:39:58.719 INFO [stderr]    Compiling lazycell v0.4.0
Nov 30 19:39:58.723 INFO [stderr]    Compiling slab v0.3.0
Nov 30 19:39:58.723 INFO [stderr]    Compiling log v0.3.6
Nov 30 19:39:58.727 INFO [stderr]    Compiling scoped-tls v0.1.0
Nov 30 19:40:00.283 INFO [stderr]    Compiling futures v0.1.10
Nov 30 19:40:01.415 INFO [stderr]    Compiling net2 v0.2.26
Nov 30 19:40:03.056 INFO [stderr]    Compiling mio v0.6.4
Nov 30 19:40:07.888 INFO [stderr]    Compiling tokio-core v0.1.4
Nov 30 19:40:11.112 INFO [stderr]    Compiling sundfs v0.1.0 (/source)
Nov 30 19:40:11.294 INFO [stderr] warning: unused import: `std::ops::Range`
Nov 30 19:40:11.294 INFO [stderr]  --> src/raft/raft.rs:4:5
Nov 30 19:40:11.294 INFO [stderr]   |
Nov 30 19:40:11.294 INFO [stderr] 4 | use std::ops::Range;
Nov 30 19:40:11.294 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 19:40:11.295 INFO [stderr]   |
Nov 30 19:40:11.295 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:40:11.295 INFO [stderr] 
Nov 30 19:40:11.295 INFO [stderr] warning: unused import: `std::env`
Nov 30 19:40:11.295 INFO [stderr]  --> src/storage/nio.rs:5:5
Nov 30 19:40:11.295 INFO [stderr]   |
Nov 30 19:40:11.295 INFO [stderr] 5 | use std::env;
Nov 30 19:40:11.295 INFO [stderr]   |     ^^^^^^^^
Nov 30 19:40:11.296 INFO [stderr] 
Nov 30 19:40:11.296 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
Nov 30 19:40:11.296 INFO [stderr]   --> src/storage/nio.rs:19:5
Nov 30 19:40:11.296 INFO [stderr]    |
Nov 30 19:40:11.296 INFO [stderr] 19 | use self::tokio_core::reactor::Interval;
Nov 30 19:40:11.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.296 INFO [stderr] 
Nov 30 19:40:11.296 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 19:40:11.296 INFO [stderr]  --> src/storage/logic.rs:2:5
Nov 30 19:40:11.296 INFO [stderr]   |
Nov 30 19:40:11.296 INFO [stderr] 2 | use std::collections::HashMap;
Nov 30 19:40:11.296 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.296 INFO [stderr] 
Nov 30 19:40:11.296 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 30 19:40:11.296 INFO [stderr]  --> src/storage/logic.rs:3:5
Nov 30 19:40:11.296 INFO [stderr]   |
Nov 30 19:40:11.296 INFO [stderr] 3 | use std::rc::Rc;
Nov 30 19:40:11.296 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 19:40:11.296 INFO [stderr] 
Nov 30 19:40:11.296 INFO [stderr] warning: unused import: `std::iter`
Nov 30 19:40:11.296 INFO [stderr]  --> src/storage/logic.rs:4:5
Nov 30 19:40:11.296 INFO [stderr]   |
Nov 30 19:40:11.296 INFO [stderr] 4 | use std::iter;
Nov 30 19:40:11.296 INFO [stderr]   |     ^^^^^^^^^
Nov 30 19:40:11.296 INFO [stderr] 
Nov 30 19:40:11.296 INFO [stderr] warning: unused import: `std::env`
Nov 30 19:40:11.296 INFO [stderr]  --> src/storage/logic.rs:5:5
Nov 30 19:40:11.296 INFO [stderr]   |
Nov 30 19:40:11.296 INFO [stderr] 5 | use std::env;
Nov 30 19:40:11.296 INFO [stderr]   |     ^^^^^^^^
Nov 30 19:40:11.296 INFO [stderr] 
Nov 30 19:40:11.296 INFO [stderr] warning: unused imports: `ErrorKind`, `Error`
Nov 30 19:40:11.296 INFO [stderr]  --> src/storage/logic.rs:8:15
Nov 30 19:40:11.296 INFO [stderr]   |
Nov 30 19:40:11.296 INFO [stderr] 8 | use std::io::{Error, ErrorKind};
Nov 30 19:40:11.296 INFO [stderr]   |               ^^^^^  ^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `std::time::Duration`
Nov 30 19:40:11.303 INFO [stderr]  --> src/storage/logic.rs:9:5
Nov 30 19:40:11.303 INFO [stderr]   |
Nov 30 19:40:11.303 INFO [stderr] 9 | use std::time::Duration;
Nov 30 19:40:11.303 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `std::cell::RefCell`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:11:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 11 | use std::cell::RefCell;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `std::cell::Cell`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:12:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 12 | use std::cell::Cell;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `self::tokio_core::net::TcpListener`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:14:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 14 | use self::tokio_core::net::TcpListener;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `self::tokio_core::net::TcpStream`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:15:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 15 | use self::tokio_core::net::TcpStream;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Timeout`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:17:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 17 | use self::tokio_core::reactor::Timeout;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:18:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 18 | use self::tokio_core::reactor::Interval;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Handle`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:19:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 19 | use self::tokio_core::reactor::Handle;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `self::tokio_core::io`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:20:5
Nov 30 19:40:11.303 INFO [stderr]    |
Nov 30 19:40:11.303 INFO [stderr] 20 | use self::tokio_core::io;
Nov 30 19:40:11.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.303 INFO [stderr] 
Nov 30 19:40:11.303 INFO [stderr] warning: unused import: `self::tokio_core::io::Io`
Nov 30 19:40:11.303 INFO [stderr]   --> src/storage/logic.rs:21:5
Nov 30 19:40:11.304 INFO [stderr]    |
Nov 30 19:40:11.304 INFO [stderr] 21 | use self::tokio_core::io::Io;
Nov 30 19:40:11.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.304 INFO [stderr] 
Nov 30 19:40:11.304 INFO [stderr] warning: unused import: `self::futures::stream`
Nov 30 19:40:11.304 INFO [stderr]   --> src/storage/logic.rs:22:5
Nov 30 19:40:11.304 INFO [stderr]    |
Nov 30 19:40:11.304 INFO [stderr] 22 | use self::futures::stream;
Nov 30 19:40:11.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.304 INFO [stderr] 
Nov 30 19:40:11.304 INFO [stderr] warning: unused import: `self::futures::sync::mpsc::UnboundedReceiver`
Nov 30 19:40:11.304 INFO [stderr]   --> src/storage/logic.rs:26:5
Nov 30 19:40:11.304 INFO [stderr]    |
Nov 30 19:40:11.304 INFO [stderr] 26 | use self::futures::sync::mpsc::UnboundedReceiver;
Nov 30 19:40:11.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.304 INFO [stderr] 
Nov 30 19:40:11.304 INFO [stderr] warning: unused import: `self::futures::sync::mpsc`
Nov 30 19:40:11.304 INFO [stderr]   --> src/storage/logic.rs:27:5
Nov 30 19:40:11.304 INFO [stderr]    |
Nov 30 19:40:11.304 INFO [stderr] 27 | use self::futures::sync::mpsc;
Nov 30 19:40:11.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.304 INFO [stderr] 
Nov 30 19:40:11.304 INFO [stderr] warning: unused import: `NetService`
Nov 30 19:40:11.304 INFO [stderr]  --> src/main.rs:4:20
Nov 30 19:40:11.304 INFO [stderr]   |
Nov 30 19:40:11.304 INFO [stderr] 4 | use storage::nio::{NetService, NetEvent};
Nov 30 19:40:11.304 INFO [stderr]   |                    ^^^^^^^^^^
Nov 30 19:40:11.304 INFO [stderr] 
Nov 30 19:40:11.475 INFO [stderr] warning: unused variable: `service`
Nov 30 19:40:11.475 INFO [stderr]   --> src/raft/raft.rs:73:32
Nov 30 19:40:11.475 INFO [stderr]    |
Nov 30 19:40:11.475 INFO [stderr] 73 |     fn process_init(&mut self, service: &mut Service) {
Nov 30 19:40:11.475 INFO [stderr]    |                                ^^^^^^^ help: consider using `_service` instead
Nov 30 19:40:11.475 INFO [stderr]    |
Nov 30 19:40:11.475 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:40:11.475 INFO [stderr] 
Nov 30 19:40:11.475 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:11.475 INFO [stderr]   --> src/raft/raft.rs:78:34
Nov 30 19:40:11.475 INFO [stderr]    |
Nov 30 19:40:11.475 INFO [stderr] 78 |             NetEvent::CONNECTED((event,id)) => {
Nov 30 19:40:11.475 INFO [stderr]    |                                  ^^^^^ help: consider using `_event` instead
Nov 30 19:40:11.475 INFO [stderr] 
Nov 30 19:40:11.475 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:11.475 INFO [stderr]   --> src/raft/raft.rs:81:37
Nov 30 19:40:11.475 INFO [stderr]    |
Nov 30 19:40:11.476 INFO [stderr] 81 |             NetEvent::DISCONNECTED((event,id))=> {
Nov 30 19:40:11.476 INFO [stderr]    |                                     ^^^^^ help: consider using `_event` instead
Nov 30 19:40:11.476 INFO [stderr] 
Nov 30 19:40:11.476 INFO [stderr] warning: unused variable: `buf`
Nov 30 19:40:11.476 INFO [stderr]   --> src/raft/raft.rs:85:36
Nov 30 19:40:11.476 INFO [stderr]    |
Nov 30 19:40:11.476 INFO [stderr] 85 |             NetEvent::MESSAGE((id, buf)) => {
Nov 30 19:40:11.476 INFO [stderr]    |                                    ^^^ help: consider using `_buf` instead
Nov 30 19:40:11.476 INFO [stderr] 
Nov 30 19:40:11.476 INFO [stderr] warning: unused variable: `service`
Nov 30 19:40:11.476 INFO [stderr]    --> src/raft/raft.rs:152:57
Nov 30 19:40:11.476 INFO [stderr]     |
Nov 30 19:40:11.476 INFO [stderr] 152 |     fn process_candidate_requestvote_timeout(&mut self, service: &mut Service) {
Nov 30 19:40:11.476 INFO [stderr]     |                                                         ^^^^^^^ help: consider using `_service` instead
Nov 30 19:40:11.476 INFO [stderr] 
Nov 30 19:40:11.476 INFO [stderr] warning: unused variable: `entry`
Nov 30 19:40:11.476 INFO [stderr]    --> src/raft/raft.rs:163:41
Nov 30 19:40:11.476 INFO [stderr]     |
Nov 30 19:40:11.476 INFO [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
Nov 30 19:40:11.476 INFO [stderr]     |                                         ^^^^^ help: consider using `_entry` instead
Nov 30 19:40:11.476 INFO [stderr] 
Nov 30 19:40:11.476 INFO [stderr] warning: unused variable: `request`
Nov 30 19:40:11.476 INFO [stderr]    --> src/raft/raft.rs:171:39
Nov 30 19:40:11.476 INFO [stderr]     |
Nov 30 19:40:11.476 INFO [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
Nov 30 19:40:11.476 INFO [stderr]     |                                       ^^^^^^^ help: consider using `_request` instead
Nov 30 19:40:11.476 INFO [stderr] 
Nov 30 19:40:11.476 INFO [stderr] warning: value assigned to `size` is never read
Nov 30 19:40:11.476 INFO [stderr]   --> src/storage/dio.rs:66:17
Nov 30 19:40:11.476 INFO [stderr]    |
Nov 30 19:40:11.476 INFO [stderr] 66 |         let mut size: usize = 0;
Nov 30 19:40:11.476 INFO [stderr]    |                 ^^^^
Nov 30 19:40:11.476 INFO [stderr]    |
Nov 30 19:40:11.476 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 19:40:11.476 INFO [stderr] 
Nov 30 19:40:11.487 INFO [stderr] warning: unused variable: `read_bytes`
Nov 30 19:40:11.487 INFO [stderr]   --> src/storage/dio.rs:70:17
Nov 30 19:40:11.488 INFO [stderr]    |
Nov 30 19:40:11.488 INFO [stderr] 70 |             let read_bytes = if capacity_bytes < remain_bytes as usize {
Nov 30 19:40:11.488 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_read_bytes` instead
Nov 30 19:40:11.488 INFO [stderr] 
Nov 30 19:40:11.489 INFO [stderr] warning: value assigned to `size` is never read
Nov 30 19:40:11.489 INFO [stderr]   --> src/storage/dio.rs:90:17
Nov 30 19:40:11.489 INFO [stderr]    |
Nov 30 19:40:11.490 INFO [stderr] 90 |         let mut size: usize = 0;
Nov 30 19:40:11.490 INFO [stderr]    |                 ^^^^
Nov 30 19:40:11.490 INFO [stderr] 
Nov 30 19:40:11.491 INFO [stderr] warning: unused variable: `core`
Nov 30 19:40:11.491 INFO [stderr]   --> src/storage/nio.rs:51:17
Nov 30 19:40:11.491 INFO [stderr]    |
Nov 30 19:40:11.491 INFO [stderr] 51 |         let mut core = try!(Core::new());
Nov 30 19:40:11.492 INFO [stderr]    |                 ^^^^ help: consider using `_core` instead
Nov 30 19:40:11.492 INFO [stderr] 
Nov 30 19:40:11.492 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:11.493 INFO [stderr]   --> src/main.rs:21:34
Nov 30 19:40:11.493 INFO [stderr]    |
Nov 30 19:40:11.493 INFO [stderr] 21 |             NetEvent::CONNECTED((event,id)) => {
Nov 30 19:40:11.493 INFO [stderr]    |                                  ^^^^^ help: consider using `_event` instead
Nov 30 19:40:11.493 INFO [stderr] 
Nov 30 19:40:11.493 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:11.493 INFO [stderr]   --> src/main.rs:24:37
Nov 30 19:40:11.493 INFO [stderr]    |
Nov 30 19:40:11.493 INFO [stderr] 24 |             NetEvent::DISCONNECTED((event,id))=> {
Nov 30 19:40:11.493 INFO [stderr]    |                                     ^^^^^ help: consider using `_event` instead
Nov 30 19:40:11.493 INFO [stderr] 
Nov 30 19:40:11.493 INFO [stderr] warning: unused variable: `buf`
Nov 30 19:40:11.493 INFO [stderr]   --> src/main.rs:28:36
Nov 30 19:40:11.493 INFO [stderr]    |
Nov 30 19:40:11.493 INFO [stderr] 28 |             NetEvent::MESSAGE((id, buf)) => {
Nov 30 19:40:11.493 INFO [stderr]    |                                    ^^^ help: consider using `_buf` instead
Nov 30 19:40:11.493 INFO [stderr] 
Nov 30 19:40:11.493 INFO [stderr] warning: unused variable: `service`
Nov 30 19:40:11.493 INFO [stderr]   --> src/main.rs:19:33
Nov 30 19:40:11.493 INFO [stderr]    |
Nov 30 19:40:11.493 INFO [stderr] 19 |     fn process_event(&mut self, service: &mut Service, ev: NetEvent) {
Nov 30 19:40:11.493 INFO [stderr]    |                                 ^^^^^^^ help: consider using `_service` instead
Nov 30 19:40:11.493 INFO [stderr] 
Nov 30 19:40:11.493 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:11.495 INFO [stderr]   --> src/storage/dio.rs:65:13
Nov 30 19:40:11.495 INFO [stderr]    |
Nov 30 19:40:11.495 INFO [stderr] 65 |         let mut remain_bytes = self.end - self.offset;
Nov 30 19:40:11.495 INFO [stderr]    |             ----^^^^^^^^^^^^
Nov 30 19:40:11.495 INFO [stderr]    |             |
Nov 30 19:40:11.495 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:11.495 INFO [stderr]    |
Nov 30 19:40:11.495 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:40:11.495 INFO [stderr] 
Nov 30 19:40:11.495 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:11.495 INFO [stderr]   --> src/storage/dio.rs:67:13
Nov 30 19:40:11.495 INFO [stderr]    |
Nov 30 19:40:11.495 INFO [stderr] 67 |         let mut capacity_bytes = buf.len(); 
Nov 30 19:40:11.495 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Nov 30 19:40:11.495 INFO [stderr]    |             |
Nov 30 19:40:11.495 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:11.495 INFO [stderr] 
Nov 30 19:40:11.495 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:11.495 INFO [stderr]   --> src/storage/nio.rs:51:13
Nov 30 19:40:11.495 INFO [stderr]    |
Nov 30 19:40:11.495 INFO [stderr] 51 |         let mut core = try!(Core::new());
Nov 30 19:40:11.495 INFO [stderr]    |             ----^^^^
Nov 30 19:40:11.495 INFO [stderr]    |             |
Nov 30 19:40:11.495 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:11.495 INFO [stderr] 
Nov 30 19:40:11.572 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:11.572 INFO [stderr]   --> src/storage/nio.rs:98:21
Nov 30 19:40:11.572 INFO [stderr]    |
Nov 30 19:40:11.573 INFO [stderr] 98 |                 let mut body_vec = vec![0; body_len];
Nov 30 19:40:11.573 INFO [stderr]    |                     ----^^^^^^^^
Nov 30 19:40:11.573 INFO [stderr]    |                     |
Nov 30 19:40:11.574 INFO [stderr]    |                     help: remove this `mut`
Nov 30 19:40:11.574 INFO [stderr] 
Nov 30 19:40:11.574 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:11.574 INFO [stderr]   --> src/storage/nio.rs:84:13
Nov 30 19:40:11.575 INFO [stderr]    |
Nov 30 19:40:11.575 INFO [stderr] 84 |         let mut header_vec: Vec<u8> = vec![0;1];
Nov 30 19:40:11.575 INFO [stderr]    |             ----^^^^^^^^^^
Nov 30 19:40:11.576 INFO [stderr]    |             |
Nov 30 19:40:11.576 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:11.576 INFO [stderr] 
Nov 30 19:40:11.583 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:11.583 INFO [stderr]    --> src/storage/nio.rs:153:13
Nov 30 19:40:11.583 INFO [stderr]     |
Nov 30 19:40:11.583 INFO [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
Nov 30 19:40:11.584 INFO [stderr]     |             ----^^^^^^^^
Nov 30 19:40:11.584 INFO [stderr]     |             |
Nov 30 19:40:11.584 INFO [stderr]     |             help: remove this `mut`
Nov 30 19:40:11.585 INFO [stderr] 
Nov 30 19:40:11.622 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:11.623 INFO [stderr]   --> src/storage/logic.rs:69:13
Nov 30 19:40:11.623 INFO [stderr]    |
Nov 30 19:40:11.623 INFO [stderr] 69 |         let mut net_service = NetService::new().unwrap();
Nov 30 19:40:11.624 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 30 19:40:11.624 INFO [stderr]    |             |
Nov 30 19:40:11.624 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:11.624 INFO [stderr] 
Nov 30 19:40:11.625 INFO [stderr] warning: enum is never used: `Role`
Nov 30 19:40:11.625 INFO [stderr]  --> src/raft/raft.rs:9:1
Nov 30 19:40:11.625 INFO [stderr]   |
Nov 30 19:40:11.625 INFO [stderr] 9 | enum Role {
Nov 30 19:40:11.626 INFO [stderr]   | ^^^^^^^^^
Nov 30 19:40:11.626 INFO [stderr]   |
Nov 30 19:40:11.626 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 19:40:11.626 INFO [stderr] 
Nov 30 19:40:11.627 INFO [stderr] warning: enum is never used: `Phase`
Nov 30 19:40:11.627 INFO [stderr]   --> src/raft/raft.rs:15:1
Nov 30 19:40:11.627 INFO [stderr]    |
Nov 30 19:40:11.627 INFO [stderr] 15 | enum Phase {
Nov 30 19:40:11.628 INFO [stderr]    | ^^^^^^^^^^
Nov 30 19:40:11.628 INFO [stderr] 
Nov 30 19:40:11.628 INFO [stderr] warning: struct is never constructed: `Node`
Nov 30 19:40:11.628 INFO [stderr]   --> src/raft/raft.rs:19:1
Nov 30 19:40:11.629 INFO [stderr]    |
Nov 30 19:40:11.629 INFO [stderr] 19 | struct Node {
Nov 30 19:40:11.629 INFO [stderr]    | ^^^^^^^^^^^
Nov 30 19:40:11.629 INFO [stderr] 
Nov 30 19:40:11.630 INFO [stderr] warning: struct is never constructed: `Config`
Nov 30 19:40:11.630 INFO [stderr]   --> src/raft/raft.rs:25:1
Nov 30 19:40:11.630 INFO [stderr]    |
Nov 30 19:40:11.630 INFO [stderr] 25 | struct Config {
Nov 30 19:40:11.632 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 30 19:40:11.632 INFO [stderr] 
Nov 30 19:40:11.632 INFO [stderr] warning: field is never used: `id`
Nov 30 19:40:11.632 INFO [stderr]   --> src/raft/raft.rs:35:5
Nov 30 19:40:11.632 INFO [stderr]    |
Nov 30 19:40:11.632 INFO [stderr] 35 |     id: usize,
Nov 30 19:40:11.632 INFO [stderr]    |     ^^^^^^^^^
Nov 30 19:40:11.632 INFO [stderr] 
Nov 30 19:40:11.632 INFO [stderr] warning: field is never used: `leader_id`
Nov 30 19:40:11.632 INFO [stderr]   --> src/raft/raft.rs:36:5
Nov 30 19:40:11.632 INFO [stderr]    |
Nov 30 19:40:11.632 INFO [stderr] 36 |     leader_id: Option<usize>,
Nov 30 19:40:11.632 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.632 INFO [stderr] 
Nov 30 19:40:11.632 INFO [stderr] warning: field is never used: `nodes`
Nov 30 19:40:11.632 INFO [stderr]   --> src/raft/raft.rs:37:5
Nov 30 19:40:11.632 INFO [stderr]    |
Nov 30 19:40:11.632 INFO [stderr] 37 |     nodes: HashMap<usize, Node>,
Nov 30 19:40:11.632 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.632 INFO [stderr] 
Nov 30 19:40:11.632 INFO [stderr] warning: field is never used: `term`
Nov 30 19:40:11.632 INFO [stderr]   --> src/raft/raft.rs:39:5
Nov 30 19:40:11.632 INFO [stderr]    |
Nov 30 19:40:11.632 INFO [stderr] 39 |     term: usize,
Nov 30 19:40:11.632 INFO [stderr]    |     ^^^^^^^^^^^
Nov 30 19:40:11.632 INFO [stderr] 
Nov 30 19:40:11.632 INFO [stderr] warning: field is never used: `vote`
Nov 30 19:40:11.632 INFO [stderr]   --> src/raft/raft.rs:40:5
Nov 30 19:40:11.632 INFO [stderr]    |
Nov 30 19:40:11.632 INFO [stderr] 40 |     vote: (usize, usize),
Nov 30 19:40:11.632 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.632 INFO [stderr] 
Nov 30 19:40:11.632 INFO [stderr] warning: enum is never used: `Log`
Nov 30 19:40:11.632 INFO [stderr]   --> src/raft/raft.rs:45:1
Nov 30 19:40:11.632 INFO [stderr]    |
Nov 30 19:40:11.632 INFO [stderr] 45 | enum Log {
Nov 30 19:40:11.632 INFO [stderr]    | ^^^^^^^^
Nov 30 19:40:11.632 INFO [stderr] 
Nov 30 19:40:11.632 INFO [stderr] warning: enum is never used: `Message`
Nov 30 19:40:11.632 INFO [stderr]   --> src/raft/raft.rs:49:1
Nov 30 19:40:11.632 INFO [stderr]    |
Nov 30 19:40:11.633 INFO [stderr] 49 | enum Message {
Nov 30 19:40:11.633 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: struct is never constructed: `RequestVote`
Nov 30 19:40:11.633 INFO [stderr]   --> src/raft/raft.rs:55:1
Nov 30 19:40:11.633 INFO [stderr]    |
Nov 30 19:40:11.633 INFO [stderr] 55 | struct RequestVote{
Nov 30 19:40:11.633 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: struct is never constructed: `ResponseVote`
Nov 30 19:40:11.633 INFO [stderr]   --> src/raft/raft.rs:60:1
Nov 30 19:40:11.633 INFO [stderr]    |
Nov 30 19:40:11.633 INFO [stderr] 60 | struct ResponseVote {
Nov 30 19:40:11.633 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: struct is never constructed: `AppendEntry`
Nov 30 19:40:11.633 INFO [stderr]   --> src/raft/raft.rs:64:1
Nov 30 19:40:11.633 INFO [stderr]    |
Nov 30 19:40:11.633 INFO [stderr] 64 | struct AppendEntry{
Nov 30 19:40:11.633 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `major`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:106:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 106 |     fn major(&self) -> usize {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `send_requestvote`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:110:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 110 |     fn send_requestvote(&mut self) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `send_appendentries`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:113:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 113 |     fn send_appendentries(&mut self) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `send_leader_heartbeat`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:117:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 117 |     fn send_leader_heartbeat(&mut self) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `begin_candidate_requestvote_timeout`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:129:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 129 |     fn begin_candidate_requestvote_timeout(&self, service:&mut Service) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `process_appendentries`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:163:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `process_leader_heartbeat`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:167:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 167 |     fn process_leader_heartbeat(&mut self) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `process_requestvote`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:171:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `become_follower`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:175:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 175 |     fn become_follower(&mut self) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: method is never used: `become_leader`
Nov 30 19:40:11.633 INFO [stderr]    --> src/raft/raft.rs:182:5
Nov 30 19:40:11.633 INFO [stderr]     |
Nov 30 19:40:11.633 INFO [stderr] 182 |     fn become_leader(&mut self) {
Nov 30 19:40:11.633 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: struct is never constructed: `Upload`
Nov 30 19:40:11.633 INFO [stderr]   --> src/storage/dio.rs:10:1
Nov 30 19:40:11.633 INFO [stderr]    |
Nov 30 19:40:11.633 INFO [stderr] 10 | struct Upload{
Nov 30 19:40:11.633 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 30 19:40:11.633 INFO [stderr] 
Nov 30 19:40:11.633 INFO [stderr] warning: struct is never constructed: `SetMeta`
Nov 30 19:40:11.633 INFO [stderr]   --> src/storage/dio.rs:15:1
Nov 30 19:40:11.633 INFO [stderr]    |
Nov 30 19:40:11.633 INFO [stderr] 15 | struct SetMeta{
Nov 30 19:40:11.634 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: enum is never used: `ExtraInfo`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/dio.rs:19:1
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 19 | enum ExtraInfo {
Nov 30 19:40:11.634 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: struct is never constructed: `FileContext`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/dio.rs:24:1
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 24 | pub struct FileContext {
Nov 30 19:40:11.634 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `new`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/dio.rs:34:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 34 |     pub   fn new(file_name: &str) -> FileContext {
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `set_option`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/dio.rs:44:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 44 |     pub    fn set_option(&mut self, option: OpenOptions) {
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `open_file`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/dio.rs:48:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 48 |     pub fn open_file(&mut self) -> Result<()> {
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `read_file`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/dio.rs:63:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 63 |     pub fn read_file(&mut self, buf: &mut [u8]) -> Result<usize> {
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `write_file`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/dio.rs:85:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 85 |     pub fn write_file(&mut self, buf: &[u8]) -> Result<usize> {
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `truncate_file`
Nov 30 19:40:11.634 INFO [stderr]    --> src/storage/dio.rs:104:5
Nov 30 19:40:11.634 INFO [stderr]     |
Nov 30 19:40:11.634 INFO [stderr] 104 |     pub fn truncate_file(&mut self) -> Result<()> {
Nov 30 19:40:11.634 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: variant is never constructed: `SEND`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/nio.rs:33:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 33 |     SEND((usize, Vec<u8>)),
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: variant is never constructed: `CANCEL_TIMEOUT`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/nio.rs:35:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 35 |     CANCEL_TIMEOUT(usize),
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `send`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/logic.rs:55:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 55 |     pub fn send(&mut self, id: usize, buf: Vec<u8>) {
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: method is never used: `cancel_timeout`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/logic.rs:63:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 63 |     pub fn cancel_timeout(&mut self, id: usize) {
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: structure field `candidate_process__timeout` should have a snake case name such as `candidate_process_timeout`
Nov 30 19:40:11.634 INFO [stderr]   --> src/raft/raft.rs:31:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 31 |     candidate_process__timeout: usize,
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 19:40:11.634 INFO [stderr] 
Nov 30 19:40:11.634 INFO [stderr] warning: variant `CANCEL_TIMEOUT` should have a camel case name such as `CancelTimeout`
Nov 30 19:40:11.634 INFO [stderr]   --> src/storage/nio.rs:35:5
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.634 INFO [stderr] 35 |     CANCEL_TIMEOUT(usize),
Nov 30 19:40:11.634 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.634 INFO [stderr]    |
Nov 30 19:40:11.635 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 30 19:40:11.635 INFO [stderr] 
Nov 30 19:40:11.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:40:11.635 INFO [stderr]   --> src/storage/nio.rs:71:17
Nov 30 19:40:11.635 INFO [stderr]    |
Nov 30 19:40:11.635 INFO [stderr] 71 |                 Self::process_cancel_timeout(id, timeouts);
Nov 30 19:40:11.635 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:11.635 INFO [stderr]    |
Nov 30 19:40:11.635 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 19:40:11.635 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:40:11.635 INFO [stderr] 
Nov 30 19:40:11.635 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:40:11.635 INFO [stderr]   --> src/main.rs:42:5
Nov 30 19:40:11.635 INFO [stderr]    |
Nov 30 19:40:11.635 INFO [stderr] 42 |     s.start(&mut t);
Nov 30 19:40:11.635 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 19:40:11.635 INFO [stderr]    |
Nov 30 19:40:11.635 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:40:11.635 INFO [stderr] 
Nov 30 19:40:14.812 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.19s
Nov 30 19:40:14.816 INFO [stderr] su: No module specific data is present
Nov 30 19:40:16.361 INFO running `"docker" "inspect" "fe63b70691db1fb67a394e69cda944d837d641013828d6796ef939bae33926ee"`
Nov 30 19:40:16.623 INFO running `"docker" "rm" "-f" "fe63b70691db1fb67a394e69cda944d837d641013828d6796ef939bae33926ee"`
Nov 30 19:40:16.995 INFO [stdout] fe63b70691db1fb67a394e69cda944d837d641013828d6796ef939bae33926ee
Nov 30 19:40:16.997 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:40:17.479 INFO [stdout] 1df712fb706fe98ea0df93708559118274b952116912071f83a5d67ff619076c
Nov 30 19:40:17.485 INFO running `"docker" "start" "-a" "1df712fb706fe98ea0df93708559118274b952116912071f83a5d67ff619076c"`
Nov 30 19:40:19.594 INFO [stderr] usermod: no changes
Nov 30 19:40:19.664 INFO [stderr]    Compiling sundfs v0.1.0 (/source)
Nov 30 19:40:19.886 INFO [stderr] warning: unused import: `std::ops::Range`
Nov 30 19:40:19.886 INFO [stderr]  --> src/raft/raft.rs:4:5
Nov 30 19:40:19.886 INFO [stderr]   |
Nov 30 19:40:19.886 INFO [stderr] 4 | use std::ops::Range;
Nov 30 19:40:19.886 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 19:40:19.886 INFO [stderr]   |
Nov 30 19:40:19.886 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:40:19.886 INFO [stderr] 
Nov 30 19:40:19.886 INFO [stderr] warning: unused import: `std::env`
Nov 30 19:40:19.886 INFO [stderr]  --> src/storage/nio.rs:5:5
Nov 30 19:40:19.886 INFO [stderr]   |
Nov 30 19:40:19.886 INFO [stderr] 5 | use std::env;
Nov 30 19:40:19.886 INFO [stderr]   |     ^^^^^^^^
Nov 30 19:40:19.886 INFO [stderr] 
Nov 30 19:40:19.886 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
Nov 30 19:40:19.886 INFO [stderr]   --> src/storage/nio.rs:19:5
Nov 30 19:40:19.886 INFO [stderr]    |
Nov 30 19:40:19.886 INFO [stderr] 19 | use self::tokio_core::reactor::Interval;
Nov 30 19:40:19.886 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.886 INFO [stderr] 
Nov 30 19:40:19.887 INFO [stderr] warning: unused import: `std::collections::HashMap`
Nov 30 19:40:19.887 INFO [stderr]  --> src/storage/logic.rs:2:5
Nov 30 19:40:19.887 INFO [stderr]   |
Nov 30 19:40:19.887 INFO [stderr] 2 | use std::collections::HashMap;
Nov 30 19:40:19.887 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.887 INFO [stderr] 
Nov 30 19:40:19.887 INFO [stderr] warning: unused import: `std::rc::Rc`
Nov 30 19:40:19.887 INFO [stderr]  --> src/storage/logic.rs:3:5
Nov 30 19:40:19.887 INFO [stderr]   |
Nov 30 19:40:19.887 INFO [stderr] 3 | use std::rc::Rc;
Nov 30 19:40:19.887 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 19:40:19.887 INFO [stderr] 
Nov 30 19:40:19.887 INFO [stderr] warning: unused import: `std::iter`
Nov 30 19:40:19.887 INFO [stderr]  --> src/storage/logic.rs:4:5
Nov 30 19:40:19.887 INFO [stderr]   |
Nov 30 19:40:19.887 INFO [stderr] 4 | use std::iter;
Nov 30 19:40:19.887 INFO [stderr]   |     ^^^^^^^^^
Nov 30 19:40:19.887 INFO [stderr] 
Nov 30 19:40:19.887 INFO [stderr] warning: unused import: `std::env`
Nov 30 19:40:19.887 INFO [stderr]  --> src/storage/logic.rs:5:5
Nov 30 19:40:19.887 INFO [stderr]   |
Nov 30 19:40:19.887 INFO [stderr] 5 | use std::env;
Nov 30 19:40:19.887 INFO [stderr]   |     ^^^^^^^^
Nov 30 19:40:19.887 INFO [stderr] 
Nov 30 19:40:19.887 INFO [stderr] warning: unused imports: `ErrorKind`, `Error`
Nov 30 19:40:19.887 INFO [stderr]  --> src/storage/logic.rs:8:15
Nov 30 19:40:19.887 INFO [stderr]   |
Nov 30 19:40:19.887 INFO [stderr] 8 | use std::io::{Error, ErrorKind};
Nov 30 19:40:19.887 INFO [stderr]   |               ^^^^^  ^^^^^^^^^
Nov 30 19:40:19.887 INFO [stderr] 
Nov 30 19:40:19.887 INFO [stderr] warning: unused import: `std::time::Duration`
Nov 30 19:40:19.887 INFO [stderr]  --> src/storage/logic.rs:9:5
Nov 30 19:40:19.887 INFO [stderr]   |
Nov 30 19:40:19.887 INFO [stderr] 9 | use std::time::Duration;
Nov 30 19:40:19.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `std::cell::RefCell`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:11:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 11 | use std::cell::RefCell;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `std::cell::Cell`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:12:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 12 | use std::cell::Cell;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::tokio_core::net::TcpListener`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:14:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 14 | use self::tokio_core::net::TcpListener;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::tokio_core::net::TcpStream`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:15:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 15 | use self::tokio_core::net::TcpStream;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Timeout`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:17:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 17 | use self::tokio_core::reactor::Timeout;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:18:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 18 | use self::tokio_core::reactor::Interval;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::tokio_core::reactor::Handle`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:19:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 19 | use self::tokio_core::reactor::Handle;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::tokio_core::io`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:20:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 20 | use self::tokio_core::io;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::tokio_core::io::Io`
Nov 30 19:40:19.888 INFO [stderr]   --> src/storage/logic.rs:21:5
Nov 30 19:40:19.888 INFO [stderr]    |
Nov 30 19:40:19.888 INFO [stderr] 21 | use self::tokio_core::io::Io;
Nov 30 19:40:19.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.888 INFO [stderr] 
Nov 30 19:40:19.888 INFO [stderr] warning: unused import: `self::futures::stream`
Nov 30 19:40:19.889 INFO [stderr]   --> src/storage/logic.rs:22:5
Nov 30 19:40:19.889 INFO [stderr]    |
Nov 30 19:40:19.889 INFO [stderr] 22 | use self::futures::stream;
Nov 30 19:40:19.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.889 INFO [stderr] 
Nov 30 19:40:19.889 INFO [stderr] warning: unused import: `self::futures::sync::mpsc::UnboundedReceiver`
Nov 30 19:40:19.889 INFO [stderr]   --> src/storage/logic.rs:26:5
Nov 30 19:40:19.889 INFO [stderr]    |
Nov 30 19:40:19.889 INFO [stderr] 26 | use self::futures::sync::mpsc::UnboundedReceiver;
Nov 30 19:40:19.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.889 INFO [stderr] 
Nov 30 19:40:19.889 INFO [stderr] warning: unused import: `self::futures::sync::mpsc`
Nov 30 19:40:19.889 INFO [stderr]   --> src/storage/logic.rs:27:5
Nov 30 19:40:19.889 INFO [stderr]    |
Nov 30 19:40:19.889 INFO [stderr] 27 | use self::futures::sync::mpsc;
Nov 30 19:40:19.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:19.889 INFO [stderr] 
Nov 30 19:40:19.889 INFO [stderr] warning: unused import: `NetService`
Nov 30 19:40:19.889 INFO [stderr]  --> src/main.rs:4:20
Nov 30 19:40:19.889 INFO [stderr]   |
Nov 30 19:40:19.889 INFO [stderr] 4 | use storage::nio::{NetService, NetEvent};
Nov 30 19:40:19.889 INFO [stderr]   |                    ^^^^^^^^^^
Nov 30 19:40:19.889 INFO [stderr] 
Nov 30 19:40:20.107 INFO [stderr] warning: unused variable: `service`
Nov 30 19:40:20.107 INFO [stderr]   --> src/raft/raft.rs:73:32
Nov 30 19:40:20.107 INFO [stderr]    |
Nov 30 19:40:20.107 INFO [stderr] 73 |     fn process_init(&mut self, service: &mut Service) {
Nov 30 19:40:20.107 INFO [stderr]    |                                ^^^^^^^ help: consider using `_service` instead
Nov 30 19:40:20.107 INFO [stderr]    |
Nov 30 19:40:20.108 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:40:20.108 INFO [stderr] 
Nov 30 19:40:20.108 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:20.109 INFO [stderr]   --> src/raft/raft.rs:78:34
Nov 30 19:40:20.109 INFO [stderr]    |
Nov 30 19:40:20.109 INFO [stderr] 78 |             NetEvent::CONNECTED((event,id)) => {
Nov 30 19:40:20.109 INFO [stderr]    |                                  ^^^^^ help: consider using `_event` instead
Nov 30 19:40:20.110 INFO [stderr] 
Nov 30 19:40:20.110 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:20.110 INFO [stderr]   --> src/raft/raft.rs:81:37
Nov 30 19:40:20.111 INFO [stderr]    |
Nov 30 19:40:20.111 INFO [stderr] 81 |             NetEvent::DISCONNECTED((event,id))=> {
Nov 30 19:40:20.111 INFO [stderr]    |                                     ^^^^^ help: consider using `_event` instead
Nov 30 19:40:20.111 INFO [stderr] 
Nov 30 19:40:20.112 INFO [stderr] warning: unused variable: `buf`
Nov 30 19:40:20.112 INFO [stderr]   --> src/raft/raft.rs:85:36
Nov 30 19:40:20.112 INFO [stderr]    |
Nov 30 19:40:20.112 INFO [stderr] 85 |             NetEvent::MESSAGE((id, buf)) => {
Nov 30 19:40:20.113 INFO [stderr]    |                                    ^^^ help: consider using `_buf` instead
Nov 30 19:40:20.113 INFO [stderr] 
Nov 30 19:40:20.113 INFO [stderr] warning: unused variable: `service`
Nov 30 19:40:20.114 INFO [stderr]    --> src/raft/raft.rs:152:57
Nov 30 19:40:20.114 INFO [stderr]     |
Nov 30 19:40:20.114 INFO [stderr] 152 |     fn process_candidate_requestvote_timeout(&mut self, service: &mut Service) {
Nov 30 19:40:20.114 INFO [stderr]     |                                                         ^^^^^^^ help: consider using `_service` instead
Nov 30 19:40:20.115 INFO [stderr] 
Nov 30 19:40:20.115 INFO [stderr] warning: unused variable: `entry`
Nov 30 19:40:20.115 INFO [stderr]    --> src/raft/raft.rs:163:41
Nov 30 19:40:20.115 INFO [stderr]     |
Nov 30 19:40:20.115 INFO [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
Nov 30 19:40:20.115 INFO [stderr]     |                                         ^^^^^ help: consider using `_entry` instead
Nov 30 19:40:20.115 INFO [stderr] 
Nov 30 19:40:20.115 INFO [stderr] warning: unused variable: `request`
Nov 30 19:40:20.115 INFO [stderr]    --> src/raft/raft.rs:171:39
Nov 30 19:40:20.115 INFO [stderr]     |
Nov 30 19:40:20.115 INFO [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
Nov 30 19:40:20.115 INFO [stderr]     |                                       ^^^^^^^ help: consider using `_request` instead
Nov 30 19:40:20.115 INFO [stderr] 
Nov 30 19:40:20.116 INFO [stderr] warning: value assigned to `size` is never read
Nov 30 19:40:20.116 INFO [stderr]   --> src/storage/dio.rs:66:17
Nov 30 19:40:20.116 INFO [stderr]    |
Nov 30 19:40:20.116 INFO [stderr] 66 |         let mut size: usize = 0;
Nov 30 19:40:20.116 INFO [stderr]    |                 ^^^^
Nov 30 19:40:20.116 INFO [stderr]    |
Nov 30 19:40:20.116 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 19:40:20.116 INFO [stderr] 
Nov 30 19:40:20.116 INFO [stderr] warning: unused variable: `read_bytes`
Nov 30 19:40:20.116 INFO [stderr]   --> src/storage/dio.rs:70:17
Nov 30 19:40:20.116 INFO [stderr]    |
Nov 30 19:40:20.116 INFO [stderr] 70 |             let read_bytes = if capacity_bytes < remain_bytes as usize {
Nov 30 19:40:20.116 INFO [stderr]    |                 ^^^^^^^^^^ help: consider using `_read_bytes` instead
Nov 30 19:40:20.116 INFO [stderr] 
Nov 30 19:40:20.116 INFO [stderr] warning: value assigned to `size` is never read
Nov 30 19:40:20.117 INFO [stderr]   --> src/storage/dio.rs:90:17
Nov 30 19:40:20.117 INFO [stderr]    |
Nov 30 19:40:20.117 INFO [stderr] 90 |         let mut size: usize = 0;
Nov 30 19:40:20.117 INFO [stderr]    |                 ^^^^
Nov 30 19:40:20.117 INFO [stderr] 
Nov 30 19:40:20.117 INFO [stderr] warning: unused variable: `core`
Nov 30 19:40:20.117 INFO [stderr]   --> src/storage/nio.rs:51:17
Nov 30 19:40:20.117 INFO [stderr]    |
Nov 30 19:40:20.117 INFO [stderr] 51 |         let mut core = try!(Core::new());
Nov 30 19:40:20.117 INFO [stderr]    |                 ^^^^ help: consider using `_core` instead
Nov 30 19:40:20.117 INFO [stderr] 
Nov 30 19:40:20.117 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:20.117 INFO [stderr]   --> src/main.rs:21:34
Nov 30 19:40:20.117 INFO [stderr]    |
Nov 30 19:40:20.117 INFO [stderr] 21 |             NetEvent::CONNECTED((event,id)) => {
Nov 30 19:40:20.118 INFO [stderr]    |                                  ^^^^^ help: consider using `_event` instead
Nov 30 19:40:20.118 INFO [stderr] 
Nov 30 19:40:20.118 INFO [stderr] warning: unused variable: `event`
Nov 30 19:40:20.118 INFO [stderr]   --> src/main.rs:24:37
Nov 30 19:40:20.118 INFO [stderr]    |
Nov 30 19:40:20.118 INFO [stderr] 24 |             NetEvent::DISCONNECTED((event,id))=> {
Nov 30 19:40:20.118 INFO [stderr]    |                                     ^^^^^ help: consider using `_event` instead
Nov 30 19:40:20.118 INFO [stderr] 
Nov 30 19:40:20.118 INFO [stderr] warning: unused variable: `buf`
Nov 30 19:40:20.118 INFO [stderr]   --> src/main.rs:28:36
Nov 30 19:40:20.118 INFO [stderr]    |
Nov 30 19:40:20.118 INFO [stderr] 28 |             NetEvent::MESSAGE((id, buf)) => {
Nov 30 19:40:20.118 INFO [stderr]    |                                    ^^^ help: consider using `_buf` instead
Nov 30 19:40:20.118 INFO [stderr] 
Nov 30 19:40:20.118 INFO [stderr] warning: unused variable: `service`
Nov 30 19:40:20.118 INFO [stderr]   --> src/main.rs:19:33
Nov 30 19:40:20.118 INFO [stderr]    |
Nov 30 19:40:20.118 INFO [stderr] 19 |     fn process_event(&mut self, service: &mut Service, ev: NetEvent) {
Nov 30 19:40:20.118 INFO [stderr]    |                                 ^^^^^^^ help: consider using `_service` instead
Nov 30 19:40:20.118 INFO [stderr] 
Nov 30 19:40:20.133 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.133 INFO [stderr]   --> src/storage/dio.rs:65:13
Nov 30 19:40:20.133 INFO [stderr]    |
Nov 30 19:40:20.133 INFO [stderr] 65 |         let mut remain_bytes = self.end - self.offset;
Nov 30 19:40:20.133 INFO [stderr]    |             ----^^^^^^^^^^^^
Nov 30 19:40:20.133 INFO [stderr]    |             |
Nov 30 19:40:20.133 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:20.133 INFO [stderr]    |
Nov 30 19:40:20.133 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:40:20.133 INFO [stderr] 
Nov 30 19:40:20.133 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.133 INFO [stderr]   --> src/storage/dio.rs:67:13
Nov 30 19:40:20.133 INFO [stderr]    |
Nov 30 19:40:20.133 INFO [stderr] 67 |         let mut capacity_bytes = buf.len(); 
Nov 30 19:40:20.133 INFO [stderr]    |             ----^^^^^^^^^^^^^^
Nov 30 19:40:20.133 INFO [stderr]    |             |
Nov 30 19:40:20.133 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:20.133 INFO [stderr] 
Nov 30 19:40:20.152 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.152 INFO [stderr]    --> src/storage/dio.rs:144:9
Nov 30 19:40:20.152 INFO [stderr]     |
Nov 30 19:40:20.152 INFO [stderr] 144 |     let mut txt = String::from_utf8(vec).unwrap();
Nov 30 19:40:20.152 INFO [stderr]     |         ----^^^
Nov 30 19:40:20.152 INFO [stderr]     |         |
Nov 30 19:40:20.152 INFO [stderr]     |         help: remove this `mut`
Nov 30 19:40:20.153 INFO [stderr] 
Nov 30 19:40:20.154 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.154 INFO [stderr]   --> src/storage/nio.rs:51:13
Nov 30 19:40:20.154 INFO [stderr]    |
Nov 30 19:40:20.154 INFO [stderr] 51 |         let mut core = try!(Core::new());
Nov 30 19:40:20.154 INFO [stderr]    |             ----^^^^
Nov 30 19:40:20.154 INFO [stderr]    |             |
Nov 30 19:40:20.154 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:20.154 INFO [stderr] 
Nov 30 19:40:20.237 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.237 INFO [stderr]   --> src/storage/nio.rs:98:21
Nov 30 19:40:20.237 INFO [stderr]    |
Nov 30 19:40:20.237 INFO [stderr] 98 |                 let mut body_vec = vec![0; body_len];
Nov 30 19:40:20.237 INFO [stderr]    |                     ----^^^^^^^^
Nov 30 19:40:20.237 INFO [stderr]    |                     |
Nov 30 19:40:20.237 INFO [stderr]    |                     help: remove this `mut`
Nov 30 19:40:20.237 INFO [stderr] 
Nov 30 19:40:20.238 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.238 INFO [stderr]   --> src/storage/nio.rs:84:13
Nov 30 19:40:20.238 INFO [stderr]    |
Nov 30 19:40:20.238 INFO [stderr] 84 |         let mut header_vec: Vec<u8> = vec![0;1];
Nov 30 19:40:20.238 INFO [stderr]    |             ----^^^^^^^^^^
Nov 30 19:40:20.238 INFO [stderr]    |             |
Nov 30 19:40:20.238 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:20.238 INFO [stderr] 
Nov 30 19:40:20.248 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.248 INFO [stderr]    --> src/storage/nio.rs:153:13
Nov 30 19:40:20.248 INFO [stderr]     |
Nov 30 19:40:20.248 INFO [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
Nov 30 19:40:20.248 INFO [stderr]     |             ----^^^^^^^^
Nov 30 19:40:20.248 INFO [stderr]     |             |
Nov 30 19:40:20.248 INFO [stderr]     |             help: remove this `mut`
Nov 30 19:40:20.248 INFO [stderr] 
Nov 30 19:40:20.274 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:20.274 INFO [stderr]   --> src/storage/logic.rs:69:13
Nov 30 19:40:20.274 INFO [stderr]    |
Nov 30 19:40:20.274 INFO [stderr] 69 |         let mut net_service = NetService::new().unwrap();
Nov 30 19:40:20.274 INFO [stderr]    |             ----^^^^^^^^^^^
Nov 30 19:40:20.274 INFO [stderr]    |             |
Nov 30 19:40:20.274 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:40:20.274 INFO [stderr] 
Nov 30 19:40:20.275 INFO [stderr] warning: enum is never used: `Role`
Nov 30 19:40:20.275 INFO [stderr]  --> src/raft/raft.rs:9:1
Nov 30 19:40:20.275 INFO [stderr]   |
Nov 30 19:40:20.275 INFO [stderr] 9 | enum Role {
Nov 30 19:40:20.275 INFO [stderr]   | ^^^^^^^^^
Nov 30 19:40:20.275 INFO [stderr]   |
Nov 30 19:40:20.276 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 19:40:20.276 INFO [stderr] 
Nov 30 19:40:20.276 INFO [stderr] warning: enum is never used: `Phase`
Nov 30 19:40:20.276 INFO [stderr]   --> src/raft/raft.rs:15:1
Nov 30 19:40:20.276 INFO [stderr]    |
Nov 30 19:40:20.276 INFO [stderr] 15 | enum Phase {
Nov 30 19:40:20.276 INFO [stderr]    | ^^^^^^^^^^
Nov 30 19:40:20.276 INFO [stderr] 
Nov 30 19:40:20.277 INFO [stderr] warning: struct is never constructed: `Node`
Nov 30 19:40:20.277 INFO [stderr]   --> src/raft/raft.rs:19:1
Nov 30 19:40:20.277 INFO [stderr]    |
Nov 30 19:40:20.277 INFO [stderr] 19 | struct Node {
Nov 30 19:40:20.277 INFO [stderr]    | ^^^^^^^^^^^
Nov 30 19:40:20.277 INFO [stderr] 
Nov 30 19:40:20.277 INFO [stderr] warning: struct is never constructed: `Config`
Nov 30 19:40:20.277 INFO [stderr]   --> src/raft/raft.rs:25:1
Nov 30 19:40:20.277 INFO [stderr]    |
Nov 30 19:40:20.277 INFO [stderr] 25 | struct Config {
Nov 30 19:40:20.277 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 30 19:40:20.277 INFO [stderr] 
Nov 30 19:40:20.277 INFO [stderr] warning: field is never used: `id`
Nov 30 19:40:20.277 INFO [stderr]   --> src/raft/raft.rs:35:5
Nov 30 19:40:20.277 INFO [stderr]    |
Nov 30 19:40:20.278 INFO [stderr] 35 |     id: usize,
Nov 30 19:40:20.278 INFO [stderr]    |     ^^^^^^^^^
Nov 30 19:40:20.278 INFO [stderr] 
Nov 30 19:40:20.278 INFO [stderr] warning: field is never used: `leader_id`
Nov 30 19:40:20.278 INFO [stderr]   --> src/raft/raft.rs:36:5
Nov 30 19:40:20.278 INFO [stderr]    |
Nov 30 19:40:20.278 INFO [stderr] 36 |     leader_id: Option<usize>,
Nov 30 19:40:20.278 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.278 INFO [stderr] 
Nov 30 19:40:20.278 INFO [stderr] warning: field is never used: `nodes`
Nov 30 19:40:20.278 INFO [stderr]   --> src/raft/raft.rs:37:5
Nov 30 19:40:20.279 INFO [stderr]    |
Nov 30 19:40:20.279 INFO [stderr] 37 |     nodes: HashMap<usize, Node>,
Nov 30 19:40:20.279 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.279 INFO [stderr] 
Nov 30 19:40:20.279 INFO [stderr] warning: field is never used: `term`
Nov 30 19:40:20.279 INFO [stderr]   --> src/raft/raft.rs:39:5
Nov 30 19:40:20.279 INFO [stderr]    |
Nov 30 19:40:20.279 INFO [stderr] 39 |     term: usize,
Nov 30 19:40:20.279 INFO [stderr]    |     ^^^^^^^^^^^
Nov 30 19:40:20.279 INFO [stderr] 
Nov 30 19:40:20.279 INFO [stderr] warning: field is never used: `vote`
Nov 30 19:40:20.279 INFO [stderr]   --> src/raft/raft.rs:40:5
Nov 30 19:40:20.279 INFO [stderr]    |
Nov 30 19:40:20.279 INFO [stderr] 40 |     vote: (usize, usize),
Nov 30 19:40:20.279 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.280 INFO [stderr] 
Nov 30 19:40:20.280 INFO [stderr] warning: enum is never used: `Log`
Nov 30 19:40:20.280 INFO [stderr]   --> src/raft/raft.rs:45:1
Nov 30 19:40:20.280 INFO [stderr]    |
Nov 30 19:40:20.280 INFO [stderr] 45 | enum Log {
Nov 30 19:40:20.280 INFO [stderr]    | ^^^^^^^^
Nov 30 19:40:20.280 INFO [stderr] 
Nov 30 19:40:20.280 INFO [stderr] warning: enum is never used: `Message`
Nov 30 19:40:20.280 INFO [stderr]   --> src/raft/raft.rs:49:1
Nov 30 19:40:20.280 INFO [stderr]    |
Nov 30 19:40:20.280 INFO [stderr] 49 | enum Message {
Nov 30 19:40:20.280 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 19:40:20.281 INFO [stderr] 
Nov 30 19:40:20.281 INFO [stderr] warning: struct is never constructed: `RequestVote`
Nov 30 19:40:20.281 INFO [stderr]   --> src/raft/raft.rs:55:1
Nov 30 19:40:20.281 INFO [stderr]    |
Nov 30 19:40:20.281 INFO [stderr] 55 | struct RequestVote{
Nov 30 19:40:20.281 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.281 INFO [stderr] 
Nov 30 19:40:20.281 INFO [stderr] warning: struct is never constructed: `ResponseVote`
Nov 30 19:40:20.281 INFO [stderr]   --> src/raft/raft.rs:60:1
Nov 30 19:40:20.281 INFO [stderr]    |
Nov 30 19:40:20.281 INFO [stderr] 60 | struct ResponseVote {
Nov 30 19:40:20.281 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.282 INFO [stderr] 
Nov 30 19:40:20.282 INFO [stderr] warning: struct is never constructed: `AppendEntry`
Nov 30 19:40:20.282 INFO [stderr]   --> src/raft/raft.rs:64:1
Nov 30 19:40:20.282 INFO [stderr]    |
Nov 30 19:40:20.282 INFO [stderr] 64 | struct AppendEntry{
Nov 30 19:40:20.282 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.282 INFO [stderr] 
Nov 30 19:40:20.282 INFO [stderr] warning: method is never used: `major`
Nov 30 19:40:20.282 INFO [stderr]    --> src/raft/raft.rs:106:5
Nov 30 19:40:20.282 INFO [stderr]     |
Nov 30 19:40:20.282 INFO [stderr] 106 |     fn major(&self) -> usize {
Nov 30 19:40:20.282 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.283 INFO [stderr] 
Nov 30 19:40:20.283 INFO [stderr] warning: method is never used: `send_requestvote`
Nov 30 19:40:20.283 INFO [stderr]    --> src/raft/raft.rs:110:5
Nov 30 19:40:20.283 INFO [stderr]     |
Nov 30 19:40:20.283 INFO [stderr] 110 |     fn send_requestvote(&mut self) {
Nov 30 19:40:20.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.283 INFO [stderr] 
Nov 30 19:40:20.283 INFO [stderr] warning: method is never used: `send_appendentries`
Nov 30 19:40:20.283 INFO [stderr]    --> src/raft/raft.rs:113:5
Nov 30 19:40:20.283 INFO [stderr]     |
Nov 30 19:40:20.283 INFO [stderr] 113 |     fn send_appendentries(&mut self) {
Nov 30 19:40:20.283 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.284 INFO [stderr] 
Nov 30 19:40:20.284 INFO [stderr] warning: method is never used: `send_leader_heartbeat`
Nov 30 19:40:20.284 INFO [stderr]    --> src/raft/raft.rs:117:5
Nov 30 19:40:20.284 INFO [stderr]     |
Nov 30 19:40:20.284 INFO [stderr] 117 |     fn send_leader_heartbeat(&mut self) {
Nov 30 19:40:20.284 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.284 INFO [stderr] 
Nov 30 19:40:20.284 INFO [stderr] warning: method is never used: `begin_candidate_requestvote_timeout`
Nov 30 19:40:20.284 INFO [stderr]    --> src/raft/raft.rs:129:5
Nov 30 19:40:20.284 INFO [stderr]     |
Nov 30 19:40:20.284 INFO [stderr] 129 |     fn begin_candidate_requestvote_timeout(&self, service:&mut Service) {
Nov 30 19:40:20.284 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.285 INFO [stderr] 
Nov 30 19:40:20.285 INFO [stderr] warning: method is never used: `process_appendentries`
Nov 30 19:40:20.285 INFO [stderr]    --> src/raft/raft.rs:163:5
Nov 30 19:40:20.285 INFO [stderr]     |
Nov 30 19:40:20.285 INFO [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
Nov 30 19:40:20.285 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.285 INFO [stderr] 
Nov 30 19:40:20.285 INFO [stderr] warning: method is never used: `process_leader_heartbeat`
Nov 30 19:40:20.285 INFO [stderr]    --> src/raft/raft.rs:167:5
Nov 30 19:40:20.285 INFO [stderr]     |
Nov 30 19:40:20.285 INFO [stderr] 167 |     fn process_leader_heartbeat(&mut self) {
Nov 30 19:40:20.285 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.286 INFO [stderr] 
Nov 30 19:40:20.286 INFO [stderr] warning: method is never used: `process_requestvote`
Nov 30 19:40:20.286 INFO [stderr]    --> src/raft/raft.rs:171:5
Nov 30 19:40:20.286 INFO [stderr]     |
Nov 30 19:40:20.286 INFO [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
Nov 30 19:40:20.286 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.286 INFO [stderr] 
Nov 30 19:40:20.286 INFO [stderr] warning: method is never used: `become_follower`
Nov 30 19:40:20.286 INFO [stderr]    --> src/raft/raft.rs:175:5
Nov 30 19:40:20.286 INFO [stderr]     |
Nov 30 19:40:20.286 INFO [stderr] 175 |     fn become_follower(&mut self) {
Nov 30 19:40:20.286 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.287 INFO [stderr] 
Nov 30 19:40:20.287 INFO [stderr] warning: method is never used: `become_leader`
Nov 30 19:40:20.287 INFO [stderr]    --> src/raft/raft.rs:182:5
Nov 30 19:40:20.287 INFO [stderr]     |
Nov 30 19:40:20.287 INFO [stderr] 182 |     fn become_leader(&mut self) {
Nov 30 19:40:20.287 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.287 INFO [stderr] 
Nov 30 19:40:20.287 INFO [stderr] warning: struct is never constructed: `Upload`
Nov 30 19:40:20.287 INFO [stderr]   --> src/storage/dio.rs:10:1
Nov 30 19:40:20.287 INFO [stderr]    |
Nov 30 19:40:20.287 INFO [stderr] 10 | struct Upload{
Nov 30 19:40:20.287 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 30 19:40:20.287 INFO [stderr] 
Nov 30 19:40:20.288 INFO [stderr] warning: struct is never constructed: `SetMeta`
Nov 30 19:40:20.288 INFO [stderr]   --> src/storage/dio.rs:15:1
Nov 30 19:40:20.288 INFO [stderr]    |
Nov 30 19:40:20.288 INFO [stderr] 15 | struct SetMeta{
Nov 30 19:40:20.288 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 30 19:40:20.288 INFO [stderr] 
Nov 30 19:40:20.288 INFO [stderr] warning: enum is never used: `ExtraInfo`
Nov 30 19:40:20.288 INFO [stderr]   --> src/storage/dio.rs:19:1
Nov 30 19:40:20.288 INFO [stderr]    |
Nov 30 19:40:20.288 INFO [stderr] 19 | enum ExtraInfo {
Nov 30 19:40:20.288 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 30 19:40:20.288 INFO [stderr] 
Nov 30 19:40:20.288 INFO [stderr] warning: method is never used: `truncate_file`
Nov 30 19:40:20.288 INFO [stderr]    --> src/storage/dio.rs:104:5
Nov 30 19:40:20.288 INFO [stderr]     |
Nov 30 19:40:20.288 INFO [stderr] 104 |     pub fn truncate_file(&mut self) -> Result<()> {
Nov 30 19:40:20.288 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.289 INFO [stderr] 
Nov 30 19:40:20.289 INFO [stderr] warning: variant is never constructed: `SEND`
Nov 30 19:40:20.289 INFO [stderr]   --> src/storage/nio.rs:33:5
Nov 30 19:40:20.289 INFO [stderr]    |
Nov 30 19:40:20.289 INFO [stderr] 33 |     SEND((usize, Vec<u8>)),
Nov 30 19:40:20.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.289 INFO [stderr] 
Nov 30 19:40:20.289 INFO [stderr] warning: variant is never constructed: `CANCEL_TIMEOUT`
Nov 30 19:40:20.289 INFO [stderr]   --> src/storage/nio.rs:35:5
Nov 30 19:40:20.289 INFO [stderr]    |
Nov 30 19:40:20.289 INFO [stderr] 35 |     CANCEL_TIMEOUT(usize),
Nov 30 19:40:20.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.289 INFO [stderr] 
Nov 30 19:40:20.290 INFO [stderr] warning: method is never used: `send`
Nov 30 19:40:20.290 INFO [stderr]   --> src/storage/logic.rs:55:5
Nov 30 19:40:20.290 INFO [stderr]    |
Nov 30 19:40:20.290 INFO [stderr] 55 |     pub fn send(&mut self, id: usize, buf: Vec<u8>) {
Nov 30 19:40:20.290 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.290 INFO [stderr] 
Nov 30 19:40:20.290 INFO [stderr] warning: method is never used: `cancel_timeout`
Nov 30 19:40:20.290 INFO [stderr]   --> src/storage/logic.rs:63:5
Nov 30 19:40:20.290 INFO [stderr]    |
Nov 30 19:40:20.290 INFO [stderr] 63 |     pub fn cancel_timeout(&mut self, id: usize) {
Nov 30 19:40:20.290 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.290 INFO [stderr] 
Nov 30 19:40:20.291 INFO [stderr] warning: structure field `candidate_process__timeout` should have a snake case name such as `candidate_process_timeout`
Nov 30 19:40:20.291 INFO [stderr]   --> src/raft/raft.rs:31:5
Nov 30 19:40:20.291 INFO [stderr]    |
Nov 30 19:40:20.291 INFO [stderr] 31 |     candidate_process__timeout: usize,
Nov 30 19:40:20.291 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.291 INFO [stderr]    |
Nov 30 19:40:20.292 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 19:40:20.292 INFO [stderr] 
Nov 30 19:40:20.295 INFO [stderr] warning: variant `CANCEL_TIMEOUT` should have a camel case name such as `CancelTimeout`
Nov 30 19:40:20.295 INFO [stderr]   --> src/storage/nio.rs:35:5
Nov 30 19:40:20.295 INFO [stderr]    |
Nov 30 19:40:20.295 INFO [stderr] 35 |     CANCEL_TIMEOUT(usize),
Nov 30 19:40:20.295 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.295 INFO [stderr]    |
Nov 30 19:40:20.296 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 30 19:40:20.296 INFO [stderr] 
Nov 30 19:40:20.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:40:20.296 INFO [stderr]   --> src/storage/nio.rs:71:17
Nov 30 19:40:20.296 INFO [stderr]    |
Nov 30 19:40:20.296 INFO [stderr] 71 |                 Self::process_cancel_timeout(id, timeouts);
Nov 30 19:40:20.296 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:20.296 INFO [stderr]    |
Nov 30 19:40:20.297 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 19:40:20.297 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:40:20.297 INFO [stderr] 
Nov 30 19:40:20.299 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:40:20.299 INFO [stderr]   --> src/main.rs:42:5
Nov 30 19:40:20.299 INFO [stderr]    |
Nov 30 19:40:20.299 INFO [stderr] 42 |     s.start(&mut t);
Nov 30 19:40:20.299 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 19:40:20.299 INFO [stderr]    |
Nov 30 19:40:20.299 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:40:20.299 INFO [stderr] 
Nov 30 19:40:21.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Nov 30 19:40:21.291 INFO [stderr] su: No module specific data is present
Nov 30 19:40:22.803 INFO running `"docker" "inspect" "1df712fb706fe98ea0df93708559118274b952116912071f83a5d67ff619076c"`
Nov 30 19:40:23.145 INFO running `"docker" "rm" "-f" "1df712fb706fe98ea0df93708559118274b952116912071f83a5d67ff619076c"`
Nov 30 19:40:23.506 INFO [stdout] 1df712fb706fe98ea0df93708559118274b952116912071f83a5d67ff619076c
