[INFO] updating cached repository https://github.com/yuanpx/sundfs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8a69517e362a53133f1ef553c0ad518e8339c02
[INFO] testing yuanpx/sundfs against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuanpx%2Fsundfs" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuanpx/sundfs on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yuanpx/sundfs
[INFO] finished tweaking git repo https://github.com/yuanpx/sundfs
[INFO] tweaked toml for git repo https://github.com/yuanpx/sundfs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/yuanpx/sundfs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10dce075b4f1d6aa41a41efb075ae97827f73ec759f8ef77344d2518d5dc8180
[INFO] running `"docker" "start" "-a" "10dce075b4f1d6aa41a41efb075ae97827f73ec759f8ef77344d2518d5dc8180"`
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling sundfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut file = try!(self.option.open(&self.filename));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(file.seek(SeekFrom::Start(self.offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.open_file());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |             size = try!(file.read(buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             try!(self.open_file())
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 |             size = try!(file.write(buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/dio.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             try!(self.open_file());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/dio.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             try!(file.set_len(self.offset));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/nio.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/nio.rs:153:28
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Range`
[INFO] [stderr]  --> src/raft/raft.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::Range;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/storage/nio.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
[INFO] [stderr]   --> src/storage/nio.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::tokio_core::reactor::Interval;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CANCEL_TIMEOUT` should have an upper camel case name
[INFO] [stderr]   --> src/storage/nio.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     CANCEL_TIMEOUT(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CancelTimeout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/storage/logic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/storage/logic.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/storage/logic.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/storage/logic.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/storage/logic.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Error, ErrorKind};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/storage/logic.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/storage/logic.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::cell::RefCell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]   --> src/storage/logic.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::cell::Cell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::net::TcpListener`
[INFO] [stderr]   --> src/storage/logic.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::tokio_core::net::TcpListener;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::net::TcpStream`
[INFO] [stderr]   --> src/storage/logic.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::tokio_core::net::TcpStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Timeout`
[INFO] [stderr]   --> src/storage/logic.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::tokio_core::reactor::Timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
[INFO] [stderr]   --> src/storage/logic.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use self::tokio_core::reactor::Interval;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Handle`
[INFO] [stderr]   --> src/storage/logic.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::tokio_core::reactor::Handle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::io`
[INFO] [stderr]   --> src/storage/logic.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use self::tokio_core::io;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::io::Io`
[INFO] [stderr]   --> src/storage/logic.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use self::tokio_core::io::Io;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::stream`
[INFO] [stderr]   --> src/storage/logic.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use self::futures::stream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::sync::mpsc::UnboundedReceiver`
[INFO] [stderr]   --> src/storage/logic.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use self::futures::sync::mpsc::UnboundedReceiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::sync::mpsc`
[INFO] [stderr]   --> src/storage/logic.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use self::futures::sync::mpsc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NetService`
[INFO] [stderr]  --> src/main.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use storage::nio::{NetService, NetEvent};
[INFO] [stderr]   |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |             NetEvent::CONNECTED((event,id)) => {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:24:37
[INFO] [stderr]    |
[INFO] [stderr] 24 |             NetEvent::DISCONNECTED((event,id))=> {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/main.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 |             NetEvent::MESSAGE((id, buf)) => {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]   --> src/main.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn process_event(&mut self, service: &mut Service, ev: NetEvent) {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]   --> src/raft/raft.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn process_init(&mut self, service: &mut Service) {
[INFO] [stderr]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/raft/raft.rs:78:34
[INFO] [stderr]    |
[INFO] [stderr] 78 |             NetEvent::CONNECTED((event,id)) => {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/raft/raft.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |             NetEvent::DISCONNECTED((event,id))=> {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/raft/raft.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 85 |             NetEvent::MESSAGE((id, buf)) => {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]    --> src/raft/raft.rs:152:57
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn process_candidate_requestvote_timeout(&mut self, service: &mut Service) {
[INFO] [stderr]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]    --> src/raft/raft.rs:163:41
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]    --> src/raft/raft.rs:171:39
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
[INFO] [stderr]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `size` is never read
[INFO] [stderr]   --> src/storage/dio.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut size: usize = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_bytes`
[INFO] [stderr]   --> src/storage/dio.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let read_bytes = if capacity_bytes < remain_bytes as usize {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `size` is never read
[INFO] [stderr]   --> src/storage/dio.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut size: usize = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `core`
[INFO] [stderr]   --> src/storage/nio.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_core`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut file = try!(self.option.open(&self.filename));
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut remain_bytes = self.end - self.offset;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut capacity_bytes = buf.len(); 
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let mut body_vec = vec![0; body_len];
[INFO] [stderr]    |                     ----^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let mut header_vec: Vec<u8> = vec![0;1];
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/nio.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/logic.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut net_service = NetService::new().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LEADER`
[INFO] [stderr]   --> src/raft/raft.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     LEADER,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FOLLOWER`
[INFO] [stderr]   --> src/raft/raft.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     FOLLOWER,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CANDIDATE`
[INFO] [stderr]   --> src/raft/raft.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     CANDIDATE,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Phase`
[INFO] [stderr]   --> src/raft/raft.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | enum Phase {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `candidate_process__timeout`
[INFO] [stderr]   --> src/raft/raft.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     candidate_process__timeout: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/raft/raft.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `leader_id`
[INFO] [stderr]   --> src/raft/raft.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     leader_id: Option<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `nodes`
[INFO] [stderr]   --> src/raft/raft.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     nodes: HashMap<usize, Node>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `term`
[INFO] [stderr]   --> src/raft/raft.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     term: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `vote`
[INFO] [stderr]   --> src/raft/raft.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     vote: (usize, usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Log`
[INFO] [stderr]   --> src/raft/raft.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 | enum Log {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Message`
[INFO] [stderr]   --> src/raft/raft.rs:49:6
[INFO] [stderr]    |
[INFO] [stderr] 49 | enum Message {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RequestVote`
[INFO] [stderr]   --> src/raft/raft.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct RequestVote{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ResponseVote`
[INFO] [stderr]   --> src/raft/raft.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct ResponseVote {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AppendEntry`
[INFO] [stderr]   --> src/raft/raft.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct AppendEntry{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `major`
[INFO] [stderr]    --> src/raft/raft.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn major(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_requestvote`
[INFO] [stderr]    --> src/raft/raft.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn send_requestvote(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_appendentries`
[INFO] [stderr]    --> src/raft/raft.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn send_appendentries(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_leader_heartbeat`
[INFO] [stderr]    --> src/raft/raft.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn send_leader_heartbeat(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `begin_candidate_requestvote_timeout`
[INFO] [stderr]    --> src/raft/raft.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn begin_candidate_requestvote_timeout(&self, service:&mut Service) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_appendentries`
[INFO] [stderr]    --> src/raft/raft.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_leader_heartbeat`
[INFO] [stderr]    --> src/raft/raft.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn process_leader_heartbeat(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_requestvote`
[INFO] [stderr]    --> src/raft/raft.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `become_follower`
[INFO] [stderr]    --> src/raft/raft.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn become_follower(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `become_leader`
[INFO] [stderr]    --> src/raft/raft.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn become_leader(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Upload`
[INFO] [stderr]   --> src/storage/dio.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Upload{
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SetMeta`
[INFO] [stderr]   --> src/storage/dio.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct SetMeta{
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExtraInfo`
[INFO] [stderr]   --> src/storage/dio.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum ExtraInfo {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FileContext`
[INFO] [stderr]   --> src/storage/dio.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct FileContext {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/storage/dio.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub   fn new(file_name: &str) -> FileContext {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_option`
[INFO] [stderr]   --> src/storage/dio.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub    fn set_option(&mut self, option: OpenOptions) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `open_file`
[INFO] [stderr]   --> src/storage/dio.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn open_file(&mut self) -> Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_file`
[INFO] [stderr]   --> src/storage/dio.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn read_file(&mut self, buf: &mut [u8]) -> Result<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_file`
[INFO] [stderr]   --> src/storage/dio.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn write_file(&mut self, buf: &[u8]) -> Result<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `truncate_file`
[INFO] [stderr]    --> src/storage/dio.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn truncate_file(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SEND`
[INFO] [stderr]   --> src/storage/nio.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     SEND((usize, Vec<u8>)),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CANCEL_TIMEOUT`
[INFO] [stderr]   --> src/storage/nio.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     CANCEL_TIMEOUT(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send`
[INFO] [stderr]   --> src/storage/logic.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn send(&mut self, id: usize, buf: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cancel_timeout`
[INFO] [stderr]   --> src/storage/logic.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn cancel_timeout(&mut self, id: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     s.start(&mut t);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `candidate_process__timeout` should have a snake case name
[INFO] [stderr]   --> src/raft/raft.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     candidate_process__timeout: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `candidate_process_timeout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/storage/nio.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Self::process_cancel_timeout(id, timeouts);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 98 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `"docker" "inspect" "10dce075b4f1d6aa41a41efb075ae97827f73ec759f8ef77344d2518d5dc8180"`
[INFO] running `"docker" "rm" "-f" "10dce075b4f1d6aa41a41efb075ae97827f73ec759f8ef77344d2518d5dc8180"`
[INFO] [stdout] 10dce075b4f1d6aa41a41efb075ae97827f73ec759f8ef77344d2518d5dc8180
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e7dd0fc03d4f4caa0fbb1e3396558b31f9ee240bdd3a9e63659f2b2f32601d3
[INFO] running `"docker" "start" "-a" "7e7dd0fc03d4f4caa0fbb1e3396558b31f9ee240bdd3a9e63659f2b2f32601d3"`
[INFO] [stderr]    Compiling sundfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut file = try!(self.option.open(&self.filename));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(file.seek(SeekFrom::Start(self.offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.open_file());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |             size = try!(file.read(buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             try!(self.open_file())
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 |             size = try!(file.write(buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/dio.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             try!(self.open_file());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/dio.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             try!(file.set_len(self.offset));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/nio.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/nio.rs:153:28
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Range`
[INFO] [stderr]  --> src/raft/raft.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::Range;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/storage/nio.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
[INFO] [stderr]   --> src/storage/nio.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::tokio_core::reactor::Interval;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CANCEL_TIMEOUT` should have an upper camel case name
[INFO] [stderr]   --> src/storage/nio.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     CANCEL_TIMEOUT(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CancelTimeout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/storage/logic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/storage/logic.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/storage/logic.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/storage/logic.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/storage/logic.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Error, ErrorKind};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/storage/logic.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/storage/logic.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::cell::RefCell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]   --> src/storage/logic.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::cell::Cell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::net::TcpListener`
[INFO] [stderr]   --> src/storage/logic.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::tokio_core::net::TcpListener;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::net::TcpStream`
[INFO] [stderr]   --> src/storage/logic.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::tokio_core::net::TcpStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Timeout`
[INFO] [stderr]   --> src/storage/logic.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::tokio_core::reactor::Timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
[INFO] [stderr]   --> src/storage/logic.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use self::tokio_core::reactor::Interval;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Handle`
[INFO] [stderr]   --> src/storage/logic.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::tokio_core::reactor::Handle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::io`
[INFO] [stderr]   --> src/storage/logic.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use self::tokio_core::io;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::io::Io`
[INFO] [stderr]   --> src/storage/logic.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use self::tokio_core::io::Io;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::stream`
[INFO] [stderr]   --> src/storage/logic.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use self::futures::stream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::sync::mpsc::UnboundedReceiver`
[INFO] [stderr]   --> src/storage/logic.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use self::futures::sync::mpsc::UnboundedReceiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::sync::mpsc`
[INFO] [stderr]   --> src/storage/logic.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use self::futures::sync::mpsc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NetService`
[INFO] [stderr]  --> src/main.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use storage::nio::{NetService, NetEvent};
[INFO] [stderr]   |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |             NetEvent::CONNECTED((event,id)) => {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:24:37
[INFO] [stderr]    |
[INFO] [stderr] 24 |             NetEvent::DISCONNECTED((event,id))=> {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/main.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 |             NetEvent::MESSAGE((id, buf)) => {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]   --> src/main.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn process_event(&mut self, service: &mut Service, ev: NetEvent) {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]   --> src/raft/raft.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn process_init(&mut self, service: &mut Service) {
[INFO] [stderr]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/raft/raft.rs:78:34
[INFO] [stderr]    |
[INFO] [stderr] 78 |             NetEvent::CONNECTED((event,id)) => {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/raft/raft.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |             NetEvent::DISCONNECTED((event,id))=> {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/raft/raft.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 85 |             NetEvent::MESSAGE((id, buf)) => {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]    --> src/raft/raft.rs:152:57
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn process_candidate_requestvote_timeout(&mut self, service: &mut Service) {
[INFO] [stderr]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]    --> src/raft/raft.rs:163:41
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]    --> src/raft/raft.rs:171:39
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
[INFO] [stderr]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `size` is never read
[INFO] [stderr]   --> src/storage/dio.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut size: usize = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_bytes`
[INFO] [stderr]   --> src/storage/dio.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let read_bytes = if capacity_bytes < remain_bytes as usize {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `size` is never read
[INFO] [stderr]   --> src/storage/dio.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut size: usize = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `core`
[INFO] [stderr]   --> src/storage/nio.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_core`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut file = try!(self.option.open(&self.filename));
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut remain_bytes = self.end - self.offset;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut capacity_bytes = buf.len(); 
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/dio.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut txt = String::from_utf8(vec).unwrap();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let mut body_vec = vec![0; body_len];
[INFO] [stderr]    |                     ----^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let mut header_vec: Vec<u8> = vec![0;1];
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/nio.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/logic.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut net_service = NetService::new().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LEADER`
[INFO] [stderr]   --> src/raft/raft.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     LEADER,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FOLLOWER`
[INFO] [stderr]   --> src/raft/raft.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     FOLLOWER,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CANDIDATE`
[INFO] [stderr]   --> src/raft/raft.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     CANDIDATE,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Phase`
[INFO] [stderr]   --> src/raft/raft.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | enum Phase {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `candidate_process__timeout`
[INFO] [stderr]   --> src/raft/raft.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     candidate_process__timeout: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/raft/raft.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `leader_id`
[INFO] [stderr]   --> src/raft/raft.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     leader_id: Option<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `nodes`
[INFO] [stderr]   --> src/raft/raft.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     nodes: HashMap<usize, Node>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `term`
[INFO] [stderr]   --> src/raft/raft.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     term: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `vote`
[INFO] [stderr]   --> src/raft/raft.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     vote: (usize, usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Log`
[INFO] [stderr]   --> src/raft/raft.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 | enum Log {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Message`
[INFO] [stderr]   --> src/raft/raft.rs:49:6
[INFO] [stderr]    |
[INFO] [stderr] 49 | enum Message {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RequestVote`
[INFO] [stderr]   --> src/raft/raft.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct RequestVote{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ResponseVote`
[INFO] [stderr]   --> src/raft/raft.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct ResponseVote {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AppendEntry`
[INFO] [stderr]   --> src/raft/raft.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct AppendEntry{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `major`
[INFO] [stderr]    --> src/raft/raft.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn major(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_requestvote`
[INFO] [stderr]    --> src/raft/raft.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn send_requestvote(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_appendentries`
[INFO] [stderr]    --> src/raft/raft.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn send_appendentries(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_leader_heartbeat`
[INFO] [stderr]    --> src/raft/raft.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn send_leader_heartbeat(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `begin_candidate_requestvote_timeout`
[INFO] [stderr]    --> src/raft/raft.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn begin_candidate_requestvote_timeout(&self, service:&mut Service) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_appendentries`
[INFO] [stderr]    --> src/raft/raft.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_leader_heartbeat`
[INFO] [stderr]    --> src/raft/raft.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn process_leader_heartbeat(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_requestvote`
[INFO] [stderr]    --> src/raft/raft.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `become_follower`
[INFO] [stderr]    --> src/raft/raft.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn become_follower(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `become_leader`
[INFO] [stderr]    --> src/raft/raft.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn become_leader(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Upload`
[INFO] [stderr]   --> src/storage/dio.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Upload{
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SetMeta`
[INFO] [stderr]   --> src/storage/dio.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct SetMeta{
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExtraInfo`
[INFO] [stderr]   --> src/storage/dio.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum ExtraInfo {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `truncate_file`
[INFO] [stderr]    --> src/storage/dio.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn truncate_file(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SEND`
[INFO] [stderr]   --> src/storage/nio.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     SEND((usize, Vec<u8>)),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CANCEL_TIMEOUT`
[INFO] [stderr]   --> src/storage/nio.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     CANCEL_TIMEOUT(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send`
[INFO] [stderr]   --> src/storage/logic.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn send(&mut self, id: usize, buf: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cancel_timeout`
[INFO] [stderr]   --> src/storage/logic.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn cancel_timeout(&mut self, id: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     s.start(&mut t);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `candidate_process__timeout` should have a snake case name
[INFO] [stderr]   --> src/raft/raft.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     candidate_process__timeout: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `candidate_process_timeout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/storage/nio.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Self::process_cancel_timeout(id, timeouts);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 93 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "7e7dd0fc03d4f4caa0fbb1e3396558b31f9ee240bdd3a9e63659f2b2f32601d3"`
[INFO] running `"docker" "rm" "-f" "7e7dd0fc03d4f4caa0fbb1e3396558b31f9ee240bdd3a9e63659f2b2f32601d3"`
[INFO] [stdout] 7e7dd0fc03d4f4caa0fbb1e3396558b31f9ee240bdd3a9e63659f2b2f32601d3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9dc052e628ba5886d8a47cdd30712d6ccff333130b9485a93849a8913a48746c
[INFO] running `"docker" "start" "-a" "9dc052e628ba5886d8a47cdd30712d6ccff333130b9485a93849a8913a48746c"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut file = try!(self.option.open(&self.filename));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(file.seek(SeekFrom::Start(self.offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.open_file());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |             size = try!(file.read(buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             try!(self.open_file())
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/dio.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 |             size = try!(file.write(buf));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/dio.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             try!(self.open_file());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/dio.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             try!(file.set_len(self.offset));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/storage/nio.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/storage/nio.rs:153:28
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Range`
[INFO] [stderr]  --> src/raft/raft.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::Range;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/storage/nio.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
[INFO] [stderr]   --> src/storage/nio.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::tokio_core::reactor::Interval;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CANCEL_TIMEOUT` should have an upper camel case name
[INFO] [stderr]   --> src/storage/nio.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     CANCEL_TIMEOUT(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CancelTimeout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/storage/logic.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/storage/logic.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter`
[INFO] [stderr]  --> src/storage/logic.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/storage/logic.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/storage/logic.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Error, ErrorKind};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/storage/logic.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/storage/logic.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::cell::RefCell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]   --> src/storage/logic.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::cell::Cell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::net::TcpListener`
[INFO] [stderr]   --> src/storage/logic.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::tokio_core::net::TcpListener;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::net::TcpStream`
[INFO] [stderr]   --> src/storage/logic.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::tokio_core::net::TcpStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Timeout`
[INFO] [stderr]   --> src/storage/logic.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::tokio_core::reactor::Timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Interval`
[INFO] [stderr]   --> src/storage/logic.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use self::tokio_core::reactor::Interval;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::reactor::Handle`
[INFO] [stderr]   --> src/storage/logic.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::tokio_core::reactor::Handle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::io`
[INFO] [stderr]   --> src/storage/logic.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use self::tokio_core::io;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::tokio_core::io::Io`
[INFO] [stderr]   --> src/storage/logic.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use self::tokio_core::io::Io;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::stream`
[INFO] [stderr]   --> src/storage/logic.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use self::futures::stream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::sync::mpsc::UnboundedReceiver`
[INFO] [stderr]   --> src/storage/logic.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use self::futures::sync::mpsc::UnboundedReceiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::futures::sync::mpsc`
[INFO] [stderr]   --> src/storage/logic.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use self::futures::sync::mpsc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NetService`
[INFO] [stderr]  --> src/main.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use storage::nio::{NetService, NetEvent};
[INFO] [stderr]   |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 21 |             NetEvent::CONNECTED((event,id)) => {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:24:37
[INFO] [stderr]    |
[INFO] [stderr] 24 |             NetEvent::DISCONNECTED((event,id))=> {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/main.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 |             NetEvent::MESSAGE((id, buf)) => {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]   --> src/main.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn process_event(&mut self, service: &mut Service, ev: NetEvent) {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]   --> src/raft/raft.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn process_init(&mut self, service: &mut Service) {
[INFO] [stderr]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/raft/raft.rs:78:34
[INFO] [stderr]    |
[INFO] [stderr] 78 |             NetEvent::CONNECTED((event,id)) => {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/raft/raft.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |             NetEvent::DISCONNECTED((event,id))=> {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]   --> src/raft/raft.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 85 |             NetEvent::MESSAGE((id, buf)) => {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]    --> src/raft/raft.rs:152:57
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn process_candidate_requestvote_timeout(&mut self, service: &mut Service) {
[INFO] [stderr]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]    --> src/raft/raft.rs:163:41
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]    --> src/raft/raft.rs:171:39
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
[INFO] [stderr]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `size` is never read
[INFO] [stderr]   --> src/storage/dio.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut size: usize = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read_bytes`
[INFO] [stderr]   --> src/storage/dio.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let read_bytes = if capacity_bytes < remain_bytes as usize {
[INFO] [stderr]    |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_read_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `size` is never read
[INFO] [stderr]   --> src/storage/dio.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut size: usize = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `core`
[INFO] [stderr]   --> src/storage/nio.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_core`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let mut file = try!(self.option.open(&self.filename));
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut remain_bytes = self.end - self.offset;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/dio.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut capacity_bytes = buf.len(); 
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/dio.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut txt = String::from_utf8(vec).unwrap();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut core = try!(Core::new());
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let mut body_vec = vec![0; body_len];
[INFO] [stderr]    |                     ----^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/nio.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let mut header_vec: Vec<u8> = vec![0;1];
[INFO] [stderr]    |             ----^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/storage/nio.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let mut listener = try!(TcpListener::bind(address, &handle));
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/storage/logic.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut net_service = NetService::new().unwrap();
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LEADER`
[INFO] [stderr]   --> src/raft/raft.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     LEADER,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FOLLOWER`
[INFO] [stderr]   --> src/raft/raft.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     FOLLOWER,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CANDIDATE`
[INFO] [stderr]   --> src/raft/raft.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     CANDIDATE,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Phase`
[INFO] [stderr]   --> src/raft/raft.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | enum Phase {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `candidate_process__timeout`
[INFO] [stderr]   --> src/raft/raft.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     candidate_process__timeout: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/raft/raft.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `leader_id`
[INFO] [stderr]   --> src/raft/raft.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     leader_id: Option<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `nodes`
[INFO] [stderr]   --> src/raft/raft.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     nodes: HashMap<usize, Node>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `term`
[INFO] [stderr]   --> src/raft/raft.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     term: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `vote`
[INFO] [stderr]   --> src/raft/raft.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     vote: (usize, usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Log`
[INFO] [stderr]   --> src/raft/raft.rs:45:6
[INFO] [stderr]    |
[INFO] [stderr] 45 | enum Log {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Message`
[INFO] [stderr]   --> src/raft/raft.rs:49:6
[INFO] [stderr]    |
[INFO] [stderr] 49 | enum Message {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RequestVote`
[INFO] [stderr]   --> src/raft/raft.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct RequestVote{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ResponseVote`
[INFO] [stderr]   --> src/raft/raft.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct ResponseVote {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AppendEntry`
[INFO] [stderr]   --> src/raft/raft.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct AppendEntry{
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `major`
[INFO] [stderr]    --> src/raft/raft.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn major(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_requestvote`
[INFO] [stderr]    --> src/raft/raft.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn send_requestvote(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_appendentries`
[INFO] [stderr]    --> src/raft/raft.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn send_appendentries(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_leader_heartbeat`
[INFO] [stderr]    --> src/raft/raft.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn send_leader_heartbeat(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `begin_candidate_requestvote_timeout`
[INFO] [stderr]    --> src/raft/raft.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn begin_candidate_requestvote_timeout(&self, service:&mut Service) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_appendentries`
[INFO] [stderr]    --> src/raft/raft.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn process_appendentries(&mut self, entry: AppendEntry) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_leader_heartbeat`
[INFO] [stderr]    --> src/raft/raft.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn process_leader_heartbeat(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `process_requestvote`
[INFO] [stderr]    --> src/raft/raft.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn process_requestvote(&mut self, request: RequestVote) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `become_follower`
[INFO] [stderr]    --> src/raft/raft.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn become_follower(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `become_leader`
[INFO] [stderr]    --> src/raft/raft.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn become_leader(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Upload`
[INFO] [stderr]   --> src/storage/dio.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Upload{
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SetMeta`
[INFO] [stderr]   --> src/storage/dio.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct SetMeta{
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExtraInfo`
[INFO] [stderr]   --> src/storage/dio.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum ExtraInfo {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `truncate_file`
[INFO] [stderr]    --> src/storage/dio.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn truncate_file(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SEND`
[INFO] [stderr]   --> src/storage/nio.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     SEND((usize, Vec<u8>)),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CANCEL_TIMEOUT`
[INFO] [stderr]   --> src/storage/nio.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     CANCEL_TIMEOUT(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send`
[INFO] [stderr]   --> src/storage/logic.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn send(&mut self, id: usize, buf: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cancel_timeout`
[INFO] [stderr]   --> src/storage/logic.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn cancel_timeout(&mut self, id: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     s.start(&mut t);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `candidate_process__timeout` should have a snake case name
[INFO] [stderr]   --> src/raft/raft.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     candidate_process__timeout: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `candidate_process_timeout`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/storage/nio.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Self::process_cancel_timeout(id, timeouts);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 93 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sundfs-0c7778e331cf36ba
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test storage::dio::read_test ... FAILED
[INFO] [stdout] test storage::dio::write_test ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--bin sundfs'
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- storage::dio::read_test stdout ----
[INFO] [stdout] thread 'storage::dio::read_test' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `false`,
[INFO] [stdout]  right: `true`', src/storage/dio.rs:140:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564450dd8404 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x564450dd8404 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x564450dd8404 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x564450dd8404 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x564450e0119c - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x564450d87c25 - std::io::Write::write_fmt::hc31efe493f037457
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x564450dd2a21 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::hfcb1ff6c5b834381
[INFO] [stdout]                                at src/libstd/io/impls.rs:156
[INFO] [stdout]    7:     0x564450ddacd5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x564450ddacd5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x564450ddacd5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x564450dda9bb - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x564450ddb332 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   12:     0x564450ddaf1b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   13:     0x564450ddae8b - std::panicking::begin_panic_fmt::hf14ab99546f1bbc1
[INFO] [stdout]                                at src/libstd/panicking.rs:373
[INFO] [stdout]   14:     0x564450d84ab5 - sundfs::storage::dio::read_test::h860ab7be3e25c7f7
[INFO] [stdout]                                at src/storage/dio.rs:140
[INFO] [stdout]   15:     0x564450d8479a - sundfs::storage::dio::read_test::{{closure}}::h52fc6a1f7533cfc9
[INFO] [stdout]                                at src/storage/dio.rs:132
[INFO] [stdout]   16:     0x564450d85a7e - core::ops::function::FnOnce::call_once::ha9b2f98bd5b5ebe9
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232
[INFO] [stdout]   17:     0x564450d93b1f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::he1ba1da20629a2d8
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008
[INFO] [stdout]   18:     0x564450daf11e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x564450daf11e - std::panicking::try::do_call::h1585003392664d93
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331
[INFO] [stdout]   20:     0x564450daf11e - std::panicking::try::h43d950f958a74468
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274
[INFO] [stdout]   21:     0x564450daf11e - std::panic::catch_unwind::hb5284de2977ddeea
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x564450daf11e - test::run_test_in_process::had39bb305b26a3ae
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x564450daf11e - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x564450d870d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x564450d8c3f5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x564450d8c3f5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x564450d8c3f5 - std::panicking::try::do_call::hbcd49dc3823e8b28
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331
[INFO] [stdout]   28:     0x564450d8c3f5 - std::panicking::try::h1ba95c07dd8d422b
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274
[INFO] [stdout]   29:     0x564450d8c3f5 - std::panic::catch_unwind::h95854794ba9eee4c
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x564450d8c3f5 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x564450d8c3f5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232
[INFO] [stdout]   32:     0x564450dcebaf - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h48069b269ca48108
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008
[INFO] [stdout]   33:     0x564450de1b13 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::heff660b32cd3afd8
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008
[INFO] [stdout]   34:     0x564450de1b13 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7fb1313656db - start_thread
[INFO] [stdout]   36:     0x7fb130e7688f - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- storage::dio::write_test stdout ----
[INFO] [stdout] thread 'storage::dio::write_test' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `false`,
[INFO] [stdout]  right: `true`', src/storage/dio.rs:125:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564450dd8404 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x564450dd8404 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x564450dd8404 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x564450dd8404 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x564450e0119c - core::fmt::write::he16b9c1345d8565e
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x564450d87c25 - std::io::Write::write_fmt::hc31efe493f037457
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x564450dd2a21 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::hfcb1ff6c5b834381
[INFO] [stdout]                                at src/libstd/io/impls.rs:156
[INFO] [stdout]    7:     0x564450ddacd5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x564450ddacd5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x564450ddacd5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x564450dda9bb - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x564450ddb332 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   12:     0x564450ddaf1b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   13:     0x564450ddae8b - std::panicking::begin_panic_fmt::hf14ab99546f1bbc1
[INFO] [stdout]                                at src/libstd/panicking.rs:373
[INFO] [stdout]   14:     0x564450d8436c - sundfs::storage::dio::write_test::h7bdd9a009b26655f
[INFO] [stdout]                                at src/storage/dio.rs:125
[INFO] [stdout]   15:     0x564450d8402a - sundfs::storage::dio::write_test::{{closure}}::h11928662318dc705
[INFO] [stdout]                                at src/storage/dio.rs:118
[INFO] [stdout]   16:     0x564450d85a4e - core::ops::function::FnOnce::call_once::h73d353ca279e23a1
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232
[INFO] [stdout]   17:     0x564450d93b1f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::he1ba1da20629a2d8
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008
[INFO] [stdout]   18:     0x564450daf11e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318
[INFO] [stdout]   19:     0x564450daf11e - std::panicking::try::do_call::h1585003392664d93
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331
[INFO] [stdout]   20:     0x564450daf11e - std::panicking::try::h43d950f958a74468
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274
[INFO] [stdout]   21:     0x564450daf11e - std::panic::catch_unwind::hb5284de2977ddeea
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394
[INFO] [stdout]   22:     0x564450daf11e - test::run_test_in_process::had39bb305b26a3ae
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   23:     0x564450daf11e - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   24:     0x564450d870d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   25:     0x564450d8c3f5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475
[INFO] [stdout]   26:     0x564450d8c3f5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318
[INFO] [stdout]   27:     0x564450d8c3f5 - std::panicking::try::do_call::hbcd49dc3823e8b28
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331
[INFO] [stdout]   28:     0x564450d8c3f5 - std::panicking::try::h1ba95c07dd8d422b
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274
[INFO] [stdout]   29:     0x564450d8c3f5 - std::panic::catch_unwind::h95854794ba9eee4c
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394
[INFO] [stdout]   30:     0x564450d8c3f5 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474
[INFO] [stdout]   31:     0x564450d8c3f5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232
[INFO] [stdout]   32:     0x564450dcebaf - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h48069b269ca48108
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008
[INFO] [stdout]   33:     0x564450de1b13 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::heff660b32cd3afd8
[INFO] [stdout]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008
[INFO] [stdout]   34:     0x564450de1b13 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   35:     0x7fb1313656db - start_thread
[INFO] [stdout]   36:     0x7fb130e7688f - __clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     storage::dio::read_test
[INFO] [stdout]     storage::dio::write_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9dc052e628ba5886d8a47cdd30712d6ccff333130b9485a93849a8913a48746c"`
[INFO] running `"docker" "rm" "-f" "9dc052e628ba5886d8a47cdd30712d6ccff333130b9485a93849a8913a48746c"`
[INFO] [stdout] 9dc052e628ba5886d8a47cdd30712d6ccff333130b9485a93849a8913a48746c