[INFO] updating cached repository https://github.com/nmrshll/kademlia-dht-rs
[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] 823976e0b19c3e4f6157c83dc76831f5236a5cbf
[INFO] checking nmrshll/kademlia-dht-rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmrshll%2Fkademlia-dht-rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmrshll/kademlia-dht-rs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/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 `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 98b7185a061453b76099758c20c52da3f4d5b90921cc133f6b1c62a4bc596316
[INFO] running `"docker" "start" "-a" "98b7185a061453b76099758c20c52da3f4d5b90921cc133f6b1c62a4bc596316"`
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking kademlia-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `A_CONCURRENT_REQUESTS`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const A_CONCURRENT_REQUESTS: usize = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | /     pub fn start(
[INFO] [stderr] 47 | |         net_id: String,
[INFO] [stderr] 48 | |         node_id: Key,
[INFO] [stderr] 49 | |         node_addr: &str,
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |         node
[INFO] [stderr] 82 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start_req_handler`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_req`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ping_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn store_raw(&self, dst: Node, k: String, v: String) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_node_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn find_node_raw(&self, dst: Node, id: Key) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_value_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn find_value_raw(&self, dst: Node, k: String) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ping`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_node`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_value`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_nodes`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_value`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:320:5
[INFO] [stderr]     |
[INFO] [stderr] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:332:5
[INFO] [stderr]     |
[INFO] [stderr] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_routes`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:347:5
[INFO] [stderr]     |
[INFO] [stderr] 347 |     pub fn print_routes(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `random`
[INFO] [stderr]   --> src/kademlia/key.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn random() -> Key {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]   --> src/kademlia/key.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn hash(data: String) -> Key {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dist`
[INFO] [stderr]   --> src/kademlia/key.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `zeroes_in_prefix`
[INFO] [stderr]   --> src/kademlia/key.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MESSAGE_LEN`
[INFO] [stderr]   --> src/kademlia/networking.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const MESSAGE_LEN: usize = 8196;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TIMEOUT`
[INFO] [stderr]   --> src/kademlia/networking.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub const TIMEOUT: u64 = 5000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ReqHandle`
[INFO] [stderr]   --> src/kademlia/networking.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct ReqHandle {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_req`
[INFO] [stderr]   --> src/kademlia/networking.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn get_req(&self) -> &Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_src`
[INFO] [stderr]   --> src/kademlia/networking.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn get_src(&self) -> &Node {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rep`
[INFO] [stderr]   --> src/kademlia/networking.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn rep(self, rep: Reply) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `open`
[INFO] [stderr]   --> src/kademlia/networking.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_rep`
[INFO] [stderr]    --> src/kademlia/networking.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_msg`
[INFO] [stderr]    --> src/kademlia/networking.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_req`
[INFO] [stderr]    --> src/kademlia/networking.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn send_req(&self, req: Request, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `N_BUCKETS`
[INFO] [stderr]  --> src/kademlia/routing.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const N_BUCKETS: usize = KEY_LEN * 8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `K_ENTRIES_PER_BUCKET`
[INFO] [stderr]  --> src/kademlia/routing.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const K_ENTRIES_PER_BUCKET: usize = 8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/kademlia/routing.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/kademlia/routing.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn update(&mut self, node_info: Node) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `closest_nodes`
[INFO] [stderr]   --> src/kademlia/routing.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove`
[INFO] [stderr]    --> src/kademlia/routing.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_bucket_index`
[INFO] [stderr]    --> src/kademlia/routing.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/kademlia/routing.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `A_CONCURRENT_REQUESTS`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const A_CONCURRENT_REQUESTS: usize = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | /     pub fn start(
[INFO] [stderr] 47 | |         net_id: String,
[INFO] [stderr] 48 | |         node_id: Key,
[INFO] [stderr] 49 | |         node_addr: &str,
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |         node
[INFO] [stderr] 82 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start_req_handler`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_req`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ping_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn store_raw(&self, dst: Node, k: String, v: String) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_node_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn find_node_raw(&self, dst: Node, id: Key) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_value_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn find_value_raw(&self, dst: Node, k: String) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ping`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_node`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_value`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_nodes`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_value`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:320:5
[INFO] [stderr]     |
[INFO] [stderr] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:332:5
[INFO] [stderr]     |
[INFO] [stderr] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_routes`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:347:5
[INFO] [stderr]     |
[INFO] [stderr] 347 |     pub fn print_routes(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]   --> src/kademlia/key.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn hash(data: String) -> Key {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dist`
[INFO] [stderr]   --> src/kademlia/key.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `zeroes_in_prefix`
[INFO] [stderr]   --> src/kademlia/key.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MESSAGE_LEN`
[INFO] [stderr]   --> src/kademlia/networking.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const MESSAGE_LEN: usize = 8196;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TIMEOUT`
[INFO] [stderr]   --> src/kademlia/networking.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub const TIMEOUT: u64 = 5000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ReqHandle`
[INFO] [stderr]   --> src/kademlia/networking.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct ReqHandle {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_req`
[INFO] [stderr]   --> src/kademlia/networking.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn get_req(&self) -> &Request {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_src`
[INFO] [stderr]   --> src/kademlia/networking.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn get_src(&self) -> &Node {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rep`
[INFO] [stderr]   --> src/kademlia/networking.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn rep(self, rep: Reply) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `open`
[INFO] [stderr]   --> src/kademlia/networking.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `handle_rep`
[INFO] [stderr]    --> src/kademlia/networking.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_msg`
[INFO] [stderr]    --> src/kademlia/networking.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send_req`
[INFO] [stderr]    --> src/kademlia/networking.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     pub fn send_req(&self, req: Request, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `N_BUCKETS`
[INFO] [stderr]  --> src/kademlia/routing.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const N_BUCKETS: usize = KEY_LEN * 8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `K_ENTRIES_PER_BUCKET`
[INFO] [stderr]  --> src/kademlia/routing.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const K_ENTRIES_PER_BUCKET: usize = 8;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/kademlia/routing.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/kademlia/routing.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn update(&mut self, node_info: Node) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `closest_nodes`
[INFO] [stderr]   --> src/kademlia/routing.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove`
[INFO] [stderr]    --> src/kademlia/routing.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_bucket_index`
[INFO] [stderr]    --> src/kademlia/routing.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/kademlia/routing.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `"docker" "inspect" "98b7185a061453b76099758c20c52da3f4d5b90921cc133f6b1c62a4bc596316"`
[INFO] running `"docker" "rm" "-f" "98b7185a061453b76099758c20c52da3f4d5b90921cc133f6b1c62a4bc596316"`
[INFO] [stdout] 98b7185a061453b76099758c20c52da3f4d5b90921cc133f6b1c62a4bc596316