[INFO] cloning repository https://github.com/XanthusL/p2pspider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XanthusL/p2pspider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanthusL%2Fp2pspider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanthusL%2Fp2pspider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5387012c0a7d38b4232b352d2f9a8af9f39e6a2
[INFO] checking XanthusL/p2pspider against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXanthusL%2Fp2pspider" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XanthusL/p2pspider on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XanthusL/p2pspider
[INFO] finished tweaking git repo https://github.com/XanthusL/p2pspider
[INFO] tweaked toml for git repo https://github.com/XanthusL/p2pspider written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/XanthusL/p2pspider already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb793fb2821fa55c4949d64b0958446f85b5db0d4cb44e7607bc72682d2de226
[INFO] running `Command { std: "docker" "start" "-a" "cb793fb2821fa55c4949d64b0958446f85b5db0d4cb44e7607bc72682d2de226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb793fb2821fa55c4949d64b0958446f85b5db0d4cb44e7607bc72682d2de226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb793fb2821fa55c4949d64b0958446f85b5db0d4cb44e7607bc72682d2de226", kill_on_drop: false }`
[INFO] [stdout] cb793fb2821fa55c4949d64b0958446f85b5db0d4cb44e7607bc72682d2de226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3d6c3483961c4e81630ced9b70e8805ce43593c440e71566268e0b61101a91d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3d6c3483961c4e81630ced9b70e8805ce43593c440e71566268e0b61101a91d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.2.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bencode v0.1.16
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]     Checking p2pspider v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromBencode`, `ToBencode`
[INFO] [stdout]  --> src/main.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::bencode::{Bencode, FromBencode, ToBencode};
[INFO] [stdout]   |                              ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromBencode`, `ToBencode`
[INFO] [stdout]  --> src/lib/wire.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::bencode::{Bencode, FromBencode, ToBencode};
[INFO] [stdout]   |                              ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/lib/wire.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromBencode`, `ToBencode`
[INFO] [stdout]  --> src/main.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::bencode::{Bencode, FromBencode, ToBencode};
[INFO] [stdout]   |                              ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromBencode`, `ToBencode`
[INFO] [stdout]  --> src/lib/wire.rs:5:30
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::bencode::{Bencode, FromBencode, ToBencode};
[INFO] [stdout]   |                              ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/lib/wire.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:29:57
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let data = peer.fetch().unwrap_or_else(|e| {
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles`
[INFO] [stdout]   --> src/main.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let (handles, rx) = d.start();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/dht.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |             Err(e) => continue,
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/dht.rs:109:77
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         q.q = String::from_bencode(field_q).unwrap_or_else(|e|{
[INFO] [stdout]     |                                                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/dht.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |                     Err(e) => continue,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t_str` is never read
[INFO] [stdout]    --> src/lib/dht.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let mut t_str = String::new();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/wire.rs:244:48
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let ben = bencode::from_vec(meta).or_else(|e|{Err(())})?;
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner_m`
[INFO] [stdout]    --> src/lib/wire.rs:221:39
[INFO] [stdout]     |
[INFO] [stdout] 221 |             if let Some(Bencode::Dict(ref inner_m)) = m.get(&ByteString::from_str("m")) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/dht.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut socket = match net::UdpSocket::bind("0.0.0.0:34254") {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/dht.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let mut tmp = arc_self.clone();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:29:57
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let data = peer.fetch().unwrap_or_else(|e| {
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handles`
[INFO] [stdout]   --> src/main.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let (handles, rx) = d.start();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/dht.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |             Err(e) => continue,
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/dht.rs:109:77
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         q.q = String::from_bencode(field_q).unwrap_or_else(|e|{
[INFO] [stdout]     |                                                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/dht.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |                     Err(e) => continue,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t_str` is never read
[INFO] [stdout]    --> src/lib/dht.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let mut t_str = String::new();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib/wire.rs:244:48
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let ben = bencode::from_vec(meta).or_else(|e|{Err(())})?;
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner_m`
[INFO] [stdout]    --> src/lib/wire.rs:221:39
[INFO] [stdout]     |
[INFO] [stdout] 221 |             if let Some(Bencode::Dict(ref inner_m)) = m.get(&ByteString::from_str("m")) {
[INFO] [stdout]     |                                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/wire.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut stream = net::TcpStream::connect(from.as_str())?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/dht.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let mut socket = match net::UdpSocket::bind("0.0.0.0:34254") {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib/dht.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let mut tmp = arc_self.clone();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BOOTSTRAP_NODES`
[INFO] [stdout]   --> src/lib/dht.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / const BOOTSTRAP_NODES: [&str; 3] = [
[INFO] [stdout] 21 | |     "router.bittorrent.com:6881",
[INFO] [stdout] 22 | |     "dht.transmissionbt.com:6881",
[INFO] [stdout] 23 | |     "router.utorrent.com:6881"];
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rand_bytes`
[INFO] [stdout]   --> src/lib/dht.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn rand_bytes(n: i32) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `NodeID`
[INFO] [stdout]   --> src/lib/dht.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | type NodeID = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighbour_id`
[INFO] [stdout]   --> src/lib/dht.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn neighbour_id(target: NodeID, local: &NodeID) -> NodeID {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_query`
[INFO] [stdout]    --> src/lib/dht.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn make_query<'a>(tid: String, q: String, a: &BTreeMap<String, String>) -> Query {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_reply`
[INFO] [stdout]    --> src/lib/dht.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn make_reply(tid: String, r: &BTreeMap<String, String>) -> Reply {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_nodes`
[INFO] [stdout]    --> src/lib/dht.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn decode_nodes(s: String) -> Vec<Node> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RustDHT`
[INFO] [stdout]    --> src/lib/dht.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct RustDHT {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_friends_per_sec`
[INFO] [stdout]    --> src/lib/dht.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn max_friends_per_sec(mut self, mut n: i32) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `local_id`
[INFO] [stdout]    --> src/lib/dht.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn local_id(mut self, id: Vec<u8>) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `secret`
[INFO] [stdout]    --> src/lib/dht.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn secret(mut self, s: String) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bootstraps`
[INFO] [stdout]    --> src/lib/dht.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn bootstraps(mut self, addr: Vec<String>) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_dht`
[INFO] [stdout]    --> src/lib/dht.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn new_dht() -> RustDHT {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]    --> src/lib/dht.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn start(self) -> (Vec<thread::JoinHandle<()>>, mpsc::Receiver<Announce>) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_message`
[INFO] [stdout]    --> src/lib/dht.rs:307:8
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn on_message(&mut self, dat: Vec<u8>, addr: net::SocketAddr, tx_node: &mpsc::Sender<Node>, tx_announce: &mpsc::Sender<Announce>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_token`
[INFO] [stdout]    --> src/lib/dht.rs:357:8
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn gen_token(&self, from: net::SocketAddr) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_node`
[INFO] [stdout]    --> src/lib/dht.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn find_node(&self, to: String, target: NodeID) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_get_peers_query`
[INFO] [stdout]    --> src/lib/dht.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn on_get_peers_query(&self, ben: &bencode::Bencode, from: net::SocketAddr) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_token_available`
[INFO] [stdout]    --> src/lib/dht.rs:410:8
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn is_token_available(&self, token: String, from: net::SocketAddr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_announce_peer_query`
[INFO] [stdout]    --> src/lib/dht.rs:414:8
[INFO] [stdout]     |
[INFO] [stdout] 414 |     fn on_announce_peer_query(&self, ben: &bencode::DictMap, from: net::SocketAddr, tx: &mpsc::Sender<Announce>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec2str`
[INFO] [stdout]    --> src/lib/dht.rs:445:4
[INFO] [stdout]     |
[INFO] [stdout] 445 | fn vec2str(dat: Vec<u8>) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_now_millis`
[INFO] [stdout]    --> src/lib/dht.rs:450:4
[INFO] [stdout]     |
[INFO] [stdout] 450 | fn get_now_millis() -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CHARS`
[INFO] [stdout]    --> src/lib/dht.rs:455:1
[INFO] [stdout]     |
[INFO] [stdout] 455 | static CHARS: &'static [u8] = b"0123456789abcdef";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex`
[INFO] [stdout]    --> src/lib/dht.rs:457:8
[INFO] [stdout]     |
[INFO] [stdout] 457 | pub fn hex(dat: Vec<u8>) -> String {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PER_BLOCK`
[INFO] [stdout]   --> src/lib/wire.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const PER_BLOCK: i32 = 16384;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_META_DATA_SIZE`
[INFO] [stdout]   --> src/lib/wire.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_META_DATA_SIZE: i32 = PER_BLOCK * 1024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXTENDED`
[INFO] [stdout]   --> src/lib/wire.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const EXTENDED: u8 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXT_HANDSHAKE`
[INFO] [stdout]   --> src/lib/wire.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const EXT_HANDSHAKE: u8 = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ERR_EXT_HEADER`
[INFO] [stdout]   --> src/lib/wire.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const ERR_EXT_HEADER: &str = "invalid extention header response";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ERR_INVALID_PIECE`
[INFO] [stdout]   --> src/lib/wire.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const ERR_INVALID_PIECE: &str = "invalid piece response";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_peer_id`
[INFO] [stdout]   --> src/lib/wire.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn random_peer_id() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Wire`
[INFO] [stdout]   --> src/lib/wire.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Wire {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Meta`
[INFO] [stdout]   --> src/lib/wire.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Meta {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/lib/wire.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn new(info: String, from: String) -> Result<Wire, std::io::Error> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch`
[INFO] [stdout]   --> src/lib/wire.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn fetch(&mut self) -> Result<Vec<u8>, String> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/lib/wire.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn close(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pre_header`
[INFO] [stdout]    --> src/lib/wire.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn pre_header(&self) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_done`
[INFO] [stdout]    --> src/lib/wire.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn is_done(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_handshake`
[INFO] [stdout]    --> src/lib/wire.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn on_handshake(&mut self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ext_handshake`
[INFO] [stdout]    --> src/lib/wire.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn ext_handshake(&mut self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/wire.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut stream = net::TcpStream::connect(from.as_str())?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/lib/wire.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn next(&mut self) -> Result<Vec<u8>, String> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_extended`
[INFO] [stdout]    --> src/lib/wire.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn on_extended(&mut self, ext: u8, payload: Vec<u8>) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_piece`
[INFO] [stdout]    --> src/lib/wire.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn on_piece(&self, payload: Vec<u8>) -> Result<(Vec<u8>, i32), String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `request_pieces`
[INFO] [stdout]    --> src/lib/wire.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn request_pieces(&mut self, i: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_ext_handshake`
[INFO] [stdout]    --> src/lib/wire.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn on_ext_handshake(&mut self, payload: Vec<u8>) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_data`
[INFO] [stdout]    --> src/lib/wire.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn parse_data(meta: Vec<u8>, hash: String) -> Result<Torrent, ()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/lib/wire.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 306 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]    --> src/lib/wire.rs:307:5
[INFO] [stdout]     |
[INFO] [stdout] 307 |     length: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn run() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn save(name: String, dat: Vec<u8>) -> Result<(), std::io::Error> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BOOTSTRAP_NODES`
[INFO] [stdout]   --> src/lib/dht.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / const BOOTSTRAP_NODES: [&str; 3] = [
[INFO] [stdout] 21 | |     "router.bittorrent.com:6881",
[INFO] [stdout] 22 | |     "dht.transmissionbt.com:6881",
[INFO] [stdout] 23 | |     "router.utorrent.com:6881"];
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rand_bytes`
[INFO] [stdout]   --> src/lib/dht.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn rand_bytes(n: i32) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `NodeID`
[INFO] [stdout]   --> src/lib/dht.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | type NodeID = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighbour_id`
[INFO] [stdout]   --> src/lib/dht.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn neighbour_id(target: NodeID, local: &NodeID) -> NodeID {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_query`
[INFO] [stdout]    --> src/lib/dht.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn make_query<'a>(tid: String, q: String, a: &BTreeMap<String, String>) -> Query {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_reply`
[INFO] [stdout]    --> src/lib/dht.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn make_reply(tid: String, r: &BTreeMap<String, String>) -> Reply {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_nodes`
[INFO] [stdout]    --> src/lib/dht.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn decode_nodes(s: String) -> Vec<Node> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RustDHT`
[INFO] [stdout]    --> src/lib/dht.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct RustDHT {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_friends_per_sec`
[INFO] [stdout]    --> src/lib/dht.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn max_friends_per_sec(mut self, mut n: i32) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `local_id`
[INFO] [stdout]    --> src/lib/dht.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn local_id(mut self, id: Vec<u8>) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `secret`
[INFO] [stdout]    --> src/lib/dht.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn secret(mut self, s: String) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bootstraps`
[INFO] [stdout]    --> src/lib/dht.rs:217:12
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn bootstraps(mut self, addr: Vec<String>) -> RustDHT {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_dht`
[INFO] [stdout]    --> src/lib/dht.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn new_dht() -> RustDHT {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]    --> src/lib/dht.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn start(self) -> (Vec<thread::JoinHandle<()>>, mpsc::Receiver<Announce>) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_message`
[INFO] [stdout]    --> src/lib/dht.rs:307:8
[INFO] [stdout]     |
[INFO] [stdout] 307 |     fn on_message(&mut self, dat: Vec<u8>, addr: net::SocketAddr, tx_node: &mpsc::Sender<Node>, tx_announce: &mpsc::Sender<Announce>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_token`
[INFO] [stdout]    --> src/lib/dht.rs:357:8
[INFO] [stdout]     |
[INFO] [stdout] 357 |     fn gen_token(&self, from: net::SocketAddr) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_node`
[INFO] [stdout]    --> src/lib/dht.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 |     fn find_node(&self, to: String, target: NodeID) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_get_peers_query`
[INFO] [stdout]    --> src/lib/dht.rs:377:8
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn on_get_peers_query(&self, ben: &bencode::Bencode, from: net::SocketAddr) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_token_available`
[INFO] [stdout]    --> src/lib/dht.rs:410:8
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn is_token_available(&self, token: String, from: net::SocketAddr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_announce_peer_query`
[INFO] [stdout]    --> src/lib/dht.rs:414:8
[INFO] [stdout]     |
[INFO] [stdout] 414 |     fn on_announce_peer_query(&self, ben: &bencode::DictMap, from: net::SocketAddr, tx: &mpsc::Sender<Announce>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec2str`
[INFO] [stdout]    --> src/lib/dht.rs:445:4
[INFO] [stdout]     |
[INFO] [stdout] 445 | fn vec2str(dat: Vec<u8>) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_now_millis`
[INFO] [stdout]    --> src/lib/dht.rs:450:4
[INFO] [stdout]     |
[INFO] [stdout] 450 | fn get_now_millis() -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CHARS`
[INFO] [stdout]    --> src/lib/dht.rs:455:1
[INFO] [stdout]     |
[INFO] [stdout] 455 | static CHARS: &'static [u8] = b"0123456789abcdef";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex`
[INFO] [stdout]    --> src/lib/dht.rs:457:8
[INFO] [stdout]     |
[INFO] [stdout] 457 | pub fn hex(dat: Vec<u8>) -> String {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PER_BLOCK`
[INFO] [stdout]   --> src/lib/wire.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const PER_BLOCK: i32 = 16384;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_META_DATA_SIZE`
[INFO] [stdout]   --> src/lib/wire.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_META_DATA_SIZE: i32 = PER_BLOCK * 1024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXTENDED`
[INFO] [stdout]   --> src/lib/wire.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const EXTENDED: u8 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXT_HANDSHAKE`
[INFO] [stdout]   --> src/lib/wire.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const EXT_HANDSHAKE: u8 = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ERR_EXT_HEADER`
[INFO] [stdout]   --> src/lib/wire.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const ERR_EXT_HEADER: &str = "invalid extention header response";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ERR_INVALID_PIECE`
[INFO] [stdout]   --> src/lib/wire.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const ERR_INVALID_PIECE: &str = "invalid piece response";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_peer_id`
[INFO] [stdout]   --> src/lib/wire.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn random_peer_id() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Wire`
[INFO] [stdout]   --> src/lib/wire.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Wire {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Meta`
[INFO] [stdout]   --> src/lib/wire.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Meta {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/lib/wire.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn new(info: String, from: String) -> Result<Wire, std::io::Error> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch`
[INFO] [stdout]   --> src/lib/wire.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn fetch(&mut self) -> Result<Vec<u8>, String> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/lib/wire.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn close(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pre_header`
[INFO] [stdout]    --> src/lib/wire.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn pre_header(&self) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_done`
[INFO] [stdout]    --> src/lib/wire.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn is_done(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_handshake`
[INFO] [stdout]    --> src/lib/wire.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn on_handshake(&mut self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ext_handshake`
[INFO] [stdout]    --> src/lib/wire.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn ext_handshake(&mut self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/lib/wire.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn next(&mut self) -> Result<Vec<u8>, String> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_extended`
[INFO] [stdout]    --> src/lib/wire.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn on_extended(&mut self, ext: u8, payload: Vec<u8>) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_piece`
[INFO] [stdout]    --> src/lib/wire.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn on_piece(&self, payload: Vec<u8>) -> Result<(Vec<u8>, i32), String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `request_pieces`
[INFO] [stdout]    --> src/lib/wire.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn request_pieces(&mut self, i: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_ext_handshake`
[INFO] [stdout]    --> src/lib/wire.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn on_ext_handshake(&mut self, payload: Vec<u8>) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_data`
[INFO] [stdout]    --> src/lib/wire.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn parse_data(meta: Vec<u8>, hash: String) -> Result<Torrent, ()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/lib/wire.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 306 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]    --> src/lib/wire.rs:307:5
[INFO] [stdout]     |
[INFO] [stdout] 307 |     length: i64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn run() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn save(name: String, dat: Vec<u8>) -> Result<(), std::io::Error> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/dht.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     BTreeMap::from_bencode(a).map(|a| { q.a = a; });
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/dht.rs:92:21
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     BTreeMap::from_bencode(a).map(|a| { q.a = a; });
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "a3d6c3483961c4e81630ced9b70e8805ce43593c440e71566268e0b61101a91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d6c3483961c4e81630ced9b70e8805ce43593c440e71566268e0b61101a91d", kill_on_drop: false }`
[INFO] [stdout] a3d6c3483961c4e81630ced9b70e8805ce43593c440e71566268e0b61101a91d