[INFO] cloning repository https://github.com/nmrshll/kademlia-dht-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nmrshll/kademlia-dht-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmrshll%2Fkademlia-dht-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmrshll%2Fkademlia-dht-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81a0ac9ca5f972bca5bfcb05a639cf8ccd1afa80
[INFO] checking nmrshll/kademlia-dht-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmrshll%2Fkademlia-dht-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmrshll/kademlia-dht-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nmrshll/kademlia-dht-rs
[INFO] finished tweaking git repo https://github.com/nmrshll/kademlia-dht-rs
[INFO] tweaked toml for git repo https://github.com/nmrshll/kademlia-dht-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nmrshll/kademlia-dht-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28662df73c0c8f8879372983490d42f14d31382cfd3e9d2e99fe31f6f8f47d04
[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" "28662df73c0c8f8879372983490d42f14d31382cfd3e9d2e99fe31f6f8f47d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28662df73c0c8f8879372983490d42f14d31382cfd3e9d2e99fe31f6f8f47d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28662df73c0c8f8879372983490d42f14d31382cfd3e9d2e99fe31f6f8f47d04", kill_on_drop: false }`
[INFO] [stdout] 28662df73c0c8f8879372983490d42f14d31382cfd3e9d2e99fe31f6f8f47d04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acdd2f4daef753c119912d0d1967775378f5824178c4ec35a5f4ba3ba32f439b
[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" "acdd2f4daef753c119912d0d1967775378f5824178c4ec35a5f4ba3ba32f439b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking kademlia-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `A_CONCURRENT_REQUESTS`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const A_CONCURRENT_REQUESTS: usize = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn start(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_req_handler`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_req`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ping_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn store_raw(&self, dst: Node, k: String, v: String) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_node_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn find_node_raw(&self, dst: Node, id: Key) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_value_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn find_value_raw(&self, dst: Node, k: String) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ping`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_node`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_value`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_nodes`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_value`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_routes`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 347 |     pub fn print_routes(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]   --> src/kademlia/key.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn hash(data: String) -> Key {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dist`
[INFO] [stdout]   --> src/kademlia/key.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zeroes_in_prefix`
[INFO] [stdout]   --> src/kademlia/key.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MESSAGE_LEN`
[INFO] [stdout]   --> src/kademlia/networking.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MESSAGE_LEN: usize = 8196;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TIMEOUT`
[INFO] [stdout]   --> src/kademlia/networking.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const TIMEOUT: u64 = 5000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ReqHandle`
[INFO] [stdout]   --> src/kademlia/networking.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct ReqHandle {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_req`
[INFO] [stdout]   --> src/kademlia/networking.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn get_req(&self) -> &Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_src`
[INFO] [stdout]   --> src/kademlia/networking.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_src(&self) -> &Node {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rep`
[INFO] [stdout]   --> src/kademlia/networking.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn rep(self, rep: Reply) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/kademlia/networking.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_rep`
[INFO] [stdout]    --> src/kademlia/networking.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_msg`
[INFO] [stdout]    --> src/kademlia/networking.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_req`
[INFO] [stdout]    --> src/kademlia/networking.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn send_req(&self, req: Request, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `N_BUCKETS`
[INFO] [stdout]  --> src/kademlia/routing.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const N_BUCKETS: usize = KEY_LEN * 8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_ENTRIES_PER_BUCKET`
[INFO] [stdout]  --> src/kademlia/routing.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const K_ENTRIES_PER_BUCKET: usize = 8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/kademlia/routing.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/kademlia/routing.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn update(&mut self, node_info: Node) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `closest_nodes`
[INFO] [stdout]   --> src/kademlia/routing.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/kademlia/routing.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_bucket_index`
[INFO] [stdout]    --> src/kademlia/routing.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/kademlia/routing.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `A_CONCURRENT_REQUESTS`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const A_CONCURRENT_REQUESTS: usize = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn start(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_req_handler`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_req`
[INFO] [stdout]   --> src/kademlia/kademlia.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ping_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn store_raw(&self, dst: Node, k: String, v: String) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_node_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn find_node_raw(&self, dst: Node, id: Key) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_value_raw`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn find_value_raw(&self, dst: Node, k: String) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ping`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_node`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_value`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_nodes`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_value`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:254:12
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:320:12
[INFO] [stdout]     |
[INFO] [stdout] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_routes`
[INFO] [stdout]    --> src/kademlia/kademlia.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 347 |     pub fn print_routes(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random`
[INFO] [stdout]   --> src/kademlia/key.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn random() -> Key {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]   --> src/kademlia/key.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn hash(data: String) -> Key {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dist`
[INFO] [stdout]   --> src/kademlia/key.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zeroes_in_prefix`
[INFO] [stdout]   --> src/kademlia/key.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MESSAGE_LEN`
[INFO] [stdout]   --> src/kademlia/networking.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MESSAGE_LEN: usize = 8196;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TIMEOUT`
[INFO] [stdout]   --> src/kademlia/networking.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const TIMEOUT: u64 = 5000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ReqHandle`
[INFO] [stdout]   --> src/kademlia/networking.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct ReqHandle {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_req`
[INFO] [stdout]   --> src/kademlia/networking.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn get_req(&self) -> &Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_src`
[INFO] [stdout]   --> src/kademlia/networking.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_src(&self) -> &Node {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rep`
[INFO] [stdout]   --> src/kademlia/networking.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn rep(self, rep: Reply) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/kademlia/networking.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_rep`
[INFO] [stdout]    --> src/kademlia/networking.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_msg`
[INFO] [stdout]    --> src/kademlia/networking.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_req`
[INFO] [stdout]    --> src/kademlia/networking.rs:143:12
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn send_req(&self, req: Request, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `N_BUCKETS`
[INFO] [stdout]  --> src/kademlia/routing.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const N_BUCKETS: usize = KEY_LEN * 8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `K_ENTRIES_PER_BUCKET`
[INFO] [stdout]  --> src/kademlia/routing.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const K_ENTRIES_PER_BUCKET: usize = 8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/kademlia/routing.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/kademlia/routing.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn update(&mut self, node_info: Node) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `closest_nodes`
[INFO] [stdout]   --> src/kademlia/routing.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/kademlia/routing.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_bucket_index`
[INFO] [stdout]    --> src/kademlia/routing.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/kademlia/routing.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.50s
[INFO] running `Command { std: "docker" "inspect" "acdd2f4daef753c119912d0d1967775378f5824178c4ec35a5f4ba3ba32f439b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acdd2f4daef753c119912d0d1967775378f5824178c4ec35a5f4ba3ba32f439b", kill_on_drop: false }`
[INFO] [stdout] acdd2f4daef753c119912d0d1967775378f5824178c4ec35a5f4ba3ba32f439b