[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/nmrshll/kademlia-dht-rs
[INFO] [stderr]    193baaf..b42ccfb  tokio-simple -> tokio-simple
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81a0ac9ca5f972bca5bfcb05a639cf8ccd1afa80
[INFO] testing nmrshll/kademlia-dht-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmrshll%2Fkademlia-dht-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmrshll/kademlia-dht-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-4/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 083459d1c4241a4000342d7de1d99a3775984bf3770ebf6cad564bcdca917837
[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" "083459d1c4241a4000342d7de1d99a3775984bf3770ebf6cad564bcdca917837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083459d1c4241a4000342d7de1d99a3775984bf3770ebf6cad564bcdca917837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083459d1c4241a4000342d7de1d99a3775984bf3770ebf6cad564bcdca917837", kill_on_drop: false }`
[INFO] [stdout] 083459d1c4241a4000342d7de1d99a3775984bf3770ebf6cad564bcdca917837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc43293a7db3570cf5a43f4cebb211d5486a63da11ffeee588b7399216bb6682
[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" "dc43293a7db3570cf5a43f4cebb211d5486a63da11ffeee588b7399216bb6682", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.34
[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 serde_json v1.0.39
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling 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: `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 40.32s
[INFO] running `Command { std: "docker" "inspect" "dc43293a7db3570cf5a43f4cebb211d5486a63da11ffeee588b7399216bb6682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc43293a7db3570cf5a43f4cebb211d5486a63da11ffeee588b7399216bb6682", kill_on_drop: false }`
[INFO] [stdout] dc43293a7db3570cf5a43f4cebb211d5486a63da11ffeee588b7399216bb6682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ede588832e3ea6fc245cac603d7c0200e884d96f4ff091d5c29b2b967a299315
[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" "ede588832e3ea6fc245cac603d7c0200e884d96f4ff091d5c29b2b967a299315", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "ede588832e3ea6fc245cac603d7c0200e884d96f4ff091d5c29b2b967a299315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede588832e3ea6fc245cac603d7c0200e884d96f4ff091d5c29b2b967a299315", kill_on_drop: false }`
[INFO] [stdout] ede588832e3ea6fc245cac603d7c0200e884d96f4ff091d5c29b2b967a299315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50402fef0fc1f6aef41ab7c046a47396d436e22e1a903069f034f0a4b57bf228
[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" "50402fef0fc1f6aef41ab7c046a47396d436e22e1a903069f034f0a4b57bf228", kill_on_drop: false }`
[INFO] [stderr] warning: constant 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: associated function is never used: `start`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn start(
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start_req_handler`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_req`
[INFO] [stderr]   --> src/kademlia/kademlia.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ping_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `store_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:139:12
[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: associated function is never used: `find_node_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:143:12
[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: associated function is never used: `find_value_raw`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:147:12
[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: associated function is never used: `ping`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `store`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:163:12
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_node`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:175:12
[INFO] [stderr]     |
[INFO] [stderr] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_value`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:187:12
[INFO] [stderr]     |
[INFO] [stderr] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_nodes`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:199:12
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_value`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:254:12
[INFO] [stderr]     |
[INFO] [stderr] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `put`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:320:12
[INFO] [stderr]     |
[INFO] [stderr] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:332:12
[INFO] [stderr]     |
[INFO] [stderr] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_routes`
[INFO] [stderr]    --> src/kademlia/kademlia.rs:347:12
[INFO] [stderr]     |
[INFO] [stderr] 347 |     pub fn print_routes(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hash`
[INFO] [stderr]   --> src/kademlia/key.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn hash(data: String) -> Key {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dist`
[INFO] [stderr]   --> src/kademlia/key.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `zeroes_in_prefix`
[INFO] [stderr]   --> src/kademlia/key.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant 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 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:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct ReqHandle {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_req`
[INFO] [stderr]   --> src/kademlia/networking.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn get_req(&self) -> &Request {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_src`
[INFO] [stderr]   --> src/kademlia/networking.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn get_src(&self) -> &Node {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rep`
[INFO] [stderr]   --> src/kademlia/networking.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn rep(self, rep: Reply) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `open`
[INFO] [stderr]   --> src/kademlia/networking.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle_rep`
[INFO] [stderr]    --> src/kademlia/networking.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `send_msg`
[INFO] [stderr]    --> src/kademlia/networking.rs:136:8
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `send_req`
[INFO] [stderr]    --> src/kademlia/networking.rs:143:12
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn send_req(&self, req: Request, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant 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 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: associated function is never used: `new`
[INFO] [stderr]   --> src/kademlia/routing.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> src/kademlia/routing.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn update(&mut self, node_info: Node) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `closest_nodes`
[INFO] [stderr]   --> src/kademlia/routing.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]    --> src/kademlia/routing.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_bucket_index`
[INFO] [stderr]    --> src/kademlia/routing.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/kademlia/routing.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kademlia_rs-fdeb1a9f2d171278
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test kademlia::key::test::test_debug_key ... ok
[INFO] [stdout] test test::test_debug_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50402fef0fc1f6aef41ab7c046a47396d436e22e1a903069f034f0a4b57bf228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50402fef0fc1f6aef41ab7c046a47396d436e22e1a903069f034f0a4b57bf228", kill_on_drop: false }`
[INFO] [stdout] 50402fef0fc1f6aef41ab7c046a47396d436e22e1a903069f034f0a4b57bf228