[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] testing nmrshll/kademlia-dht-rs against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmrshll%2Fkademlia-dht-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmrshll/kademlia-dht-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6a025bef052fb73a1f81250c13303c92d4ba7447a8939d9ed2861cd203e7a2b4
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[INFO] running `Command { std: "docker" "inspect" "6a025bef052fb73a1f81250c13303c92d4ba7447a8939d9ed2861cd203e7a2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a025bef052fb73a1f81250c13303c92d4ba7447a8939d9ed2861cd203e7a2b4", kill_on_drop: false }`
[INFO] [stdout] 6a025bef052fb73a1f81250c13303c92d4ba7447a8939d9ed2861cd203e7a2b4
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[INFO] [stdout] c32e6db5e61ac610c945f4b02682e0be22db42c9f55632a26c835daa60014d4f
[INFO] running `Command { std: "docker" "start" "-a" "c32e6db5e61ac610c945f4b02682e0be22db42c9f55632a26c835daa60014d4f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling syn v0.15.34
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[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[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 serde_json v1.0.39
[INFO] [stderr]    Compiling kademlia-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `kademlia::*`
[INFO] [stdout]  --> src/kademlia/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use kademlia::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `key::*`
[INFO] [stdout]  --> src/kademlia/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use key::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `networking::*`
[INFO] [stdout]  --> src/kademlia/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use networking::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `routing::*`
[INFO] [stdout]  --> src/kademlia/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use routing::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A_CONCURRENT_REQUESTS` is never used
[INFO] [stdout]   --> src/kademlia/kademlia.rs:13:11
[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: fields `routes`, `store`, `rpc`, and `node_info` are never read
[INFO] [stdout]   --> src/kademlia/kademlia.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Kademlia {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 38 |     routes: Arc<Mutex<RoutingTable>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     store: Arc<Mutex<HashMap<String, String>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     rpc: Arc<Rpc>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     node_info: Node,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Kademlia` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/kademlia/kademlia.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout] 45  | impl Kademlia {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 46  |     pub fn start(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98  |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^
[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] 143 |     pub fn find_node_raw(&self, dst: Node, id: Key) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn find_value_raw(&self, dst: Node, k: String) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |     pub fn print_routes(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `random`, `hash`, and `dist` are never used
[INFO] [stdout]   --> src/kademlia/key.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Key {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 12 |     /// Returns a random, KEY_LEN long byte string.
[INFO] [stdout] 13 |     pub fn random() -> Key {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn hash(data: String) -> Key {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `zeroes_in_prefix` is never used
[INFO] [stdout]   --> src/kademlia/key.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Distance {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 59 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MESSAGE_LEN` is never used
[INFO] [stdout]   --> src/kademlia/networking.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MESSAGE_LEN: usize = 8196;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMEOUT` is never used
[INFO] [stdout]   --> src/kademlia/networking.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const TIMEOUT: u64 = 5000;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReqHandle` is never constructed
[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: methods `get_req`, `get_src`, and `rep` are never used
[INFO] [stdout]   --> src/kademlia/networking.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl ReqHandle {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 43 |     pub fn get_req(&self) -> &Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn get_src(&self) -> &Node {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn rep(self, rep: Reply) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `socket`, `pending`, and `node_info` are never read
[INFO] [stdout]   --> src/kademlia/networking.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Rpc {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 62 |     socket: Arc<UdpSocket>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 63 |     pending: Arc<Mutex<HashMap<Key, Sender<Option<Reply>>>>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 64 |     node_info: Node,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rpc` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `open`, `handle_rep`, `send_msg`, and `send_req` are never used
[INFO] [stdout]    --> src/kademlia/networking.rs:67:12
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Rpc {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] 67  |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stdout]     |        ^^^^^^^^
[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 `N_BUCKETS` is never used
[INFO] [stdout]  --> src/kademlia/routing.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const N_BUCKETS: usize = KEY_LEN * 8;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K_ENTRIES_PER_BUCKET` is never used
[INFO] [stdout]  --> src/kademlia/routing.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const K_ENTRIES_PER_BUCKET: usize = 8;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_info` and `buckets` are never read
[INFO] [stdout]   --> src/kademlia/routing.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct RoutingTable {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 41 |     node_info: Node,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 42 |     buckets: Vec<Vec<Node>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoutingTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update`, `closest_nodes`, `remove`, `lookup_bucket_index`, and `print` are never used
[INFO] [stdout]    --> src/kademlia/routing.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout] 45  | impl RoutingTable {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 46  |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60  |     pub fn update(&mut self, node_info: Node) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c32e6db5e61ac610c945f4b02682e0be22db42c9f55632a26c835daa60014d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32e6db5e61ac610c945f4b02682e0be22db42c9f55632a26c835daa60014d4f", kill_on_drop: false }`
[INFO] [stdout] c32e6db5e61ac610c945f4b02682e0be22db42c9f55632a26c835daa60014d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b4d558b4b3aa7a94cc3c708c48c4a3633e06a217e6801acaf49702a922262f
[INFO] running `Command { std: "docker" "start" "-a" "d2b4d558b4b3aa7a94cc3c708c48c4a3633e06a217e6801acaf49702a922262f", kill_on_drop: false }`
[INFO] [stderr]    Compiling kademlia-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `kademlia::*`
[INFO] [stdout]  --> src/kademlia/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use kademlia::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `networking::*`
[INFO] [stdout]  --> src/kademlia/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use networking::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `routing::*`
[INFO] [stdout]  --> src/kademlia/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use routing::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `A_CONCURRENT_REQUESTS` is never used
[INFO] [stdout]   --> src/kademlia/kademlia.rs:13:11
[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: fields `routes`, `store`, `rpc`, and `node_info` are never read
[INFO] [stdout]   --> src/kademlia/kademlia.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Kademlia {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 38 |     routes: Arc<Mutex<RoutingTable>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     store: Arc<Mutex<HashMap<String, String>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     rpc: Arc<Rpc>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     node_info: Node,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Kademlia` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/kademlia/kademlia.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout] 45  | impl Kademlia {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 46  |     pub fn start(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98  |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^
[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] 143 |     pub fn find_node_raw(&self, dst: Node, id: Key) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     pub fn find_value_raw(&self, dst: Node, k: String) -> Receiver<Option<Reply>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |     pub fn print_routes(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `hash` and `dist` are never used
[INFO] [stdout]   --> src/kademlia/key.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Key {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn hash(data: String) -> Key {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `zeroes_in_prefix` is never used
[INFO] [stdout]   --> src/kademlia/key.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Distance {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 59 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MESSAGE_LEN` is never used
[INFO] [stdout]   --> src/kademlia/networking.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const MESSAGE_LEN: usize = 8196;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMEOUT` is never used
[INFO] [stdout]   --> src/kademlia/networking.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const TIMEOUT: u64 = 5000;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReqHandle` is never constructed
[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: methods `get_req`, `get_src`, and `rep` are never used
[INFO] [stdout]   --> src/kademlia/networking.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl ReqHandle {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 43 |     pub fn get_req(&self) -> &Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn get_src(&self) -> &Node {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn rep(self, rep: Reply) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `socket`, `pending`, and `node_info` are never read
[INFO] [stdout]   --> src/kademlia/networking.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Rpc {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 62 |     socket: Arc<UdpSocket>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 63 |     pending: Arc<Mutex<HashMap<Key, Sender<Option<Reply>>>>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 64 |     node_info: Node,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rpc` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `open`, `handle_rep`, `send_msg`, and `send_req` are never used
[INFO] [stdout]    --> src/kademlia/networking.rs:67:12
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Rpc {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] 67  |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stdout]     |        ^^^^^^^^
[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 `N_BUCKETS` is never used
[INFO] [stdout]  --> src/kademlia/routing.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const N_BUCKETS: usize = KEY_LEN * 8;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `K_ENTRIES_PER_BUCKET` is never used
[INFO] [stdout]  --> src/kademlia/routing.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const K_ENTRIES_PER_BUCKET: usize = 8;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_info` and `buckets` are never read
[INFO] [stdout]   --> src/kademlia/routing.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct RoutingTable {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 41 |     node_info: Node,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 42 |     buckets: Vec<Vec<Node>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoutingTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update`, `closest_nodes`, `remove`, `lookup_bucket_index`, and `print` are never used
[INFO] [stdout]    --> src/kademlia/routing.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout] 45  | impl RoutingTable {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 46  |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60  |     pub fn update(&mut self, node_info: Node) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d2b4d558b4b3aa7a94cc3c708c48c4a3633e06a217e6801acaf49702a922262f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b4d558b4b3aa7a94cc3c708c48c4a3633e06a217e6801acaf49702a922262f", kill_on_drop: false }`
[INFO] [stdout] d2b4d558b4b3aa7a94cc3c708c48c4a3633e06a217e6801acaf49702a922262f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f627032b46ad6033a9102d40025cb8c7b5036d23847bc25355f57ed77201c2c8
[INFO] running `Command { std: "docker" "start" "-a" "f627032b46ad6033a9102d40025cb8c7b5036d23847bc25355f57ed77201c2c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `kademlia::*`
[INFO] [stderr]  --> src/kademlia/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use kademlia::*;
[INFO] [stderr]   |         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `networking::*`
[INFO] [stderr]  --> src/kademlia/mod.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use networking::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `routing::*`
[INFO] [stderr]  --> src/kademlia/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub use routing::*;
[INFO] [stderr]   |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `A_CONCURRENT_REQUESTS` is never used
[INFO] [stderr]   --> src/kademlia/kademlia.rs:13:11
[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: fields `routes`, `store`, `rpc`, and `node_info` are never read
[INFO] [stderr]   --> src/kademlia/kademlia.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Kademlia {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 38 |     routes: Arc<Mutex<RoutingTable>>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 39 |     store: Arc<Mutex<HashMap<String, String>>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 40 |     rpc: Arc<Rpc>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 41 |     node_info: Node,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Kademlia` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/kademlia/kademlia.rs:46:12
[INFO] [stderr]     |
[INFO] [stderr] 45  | impl Kademlia {
[INFO] [stderr]     | ------------- associated items in this implementation
[INFO] [stderr] 46  |     pub fn start(
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84  |     fn start_req_handler(self, rx: Receiver<ReqHandle>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 98  |     fn handle_req(&self, req: Request, src: Node) -> Reply {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 |     pub fn ping_raw(&self, dst: Node) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |            ^^^^^^^^
[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] 143 |     pub fn find_node_raw(&self, dst: Node, id: Key) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 147 |     pub fn find_value_raw(&self, dst: Node, k: String) -> Receiver<Option<Reply>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |     pub fn ping(&self, dst: Node) -> Option<()> {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 163 |     pub fn store(&self, dst: Node, k: String, v: String) -> Option<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 |     pub fn find_node(&self, dst: Node, id: Key) -> Option<Vec<KnownNode>> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 |     pub fn find_value(&self, dst: Node, k: String) -> Option<FindValueResult> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 199 |     pub fn lookup_nodes(&self, id: Key) -> Vec<KnownNode> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 254 |     pub fn lookup_value(&self, k: String) -> (Option<String>, Vec<KnownNode>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 320 |     pub fn put(&self, k: String, v: String) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 332 |     pub fn get(&self, k: String) -> Option<String> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 347 |     pub fn print_routes(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `hash` and `dist` are never used
[INFO] [stderr]   --> src/kademlia/key.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Key {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn hash(data: String) -> Key {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn dist(&self, y: Key) -> Distance {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `zeroes_in_prefix` is never used
[INFO] [stderr]   --> src/kademlia/key.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 58 | impl Distance {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 59 |     pub fn zeroes_in_prefix(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MESSAGE_LEN` is never used
[INFO] [stderr]   --> src/kademlia/networking.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const MESSAGE_LEN: usize = 8196;
[INFO] [stderr]    |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TIMEOUT` is never used
[INFO] [stderr]   --> src/kademlia/networking.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub const TIMEOUT: u64 = 5000;
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ReqHandle` is never constructed
[INFO] [stderr]   --> src/kademlia/networking.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct ReqHandle {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_req`, `get_src`, and `rep` are never used
[INFO] [stderr]   --> src/kademlia/networking.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl ReqHandle {
[INFO] [stderr]    | -------------- methods in this implementation
[INFO] [stderr] 43 |     pub fn get_req(&self) -> &Request {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn get_src(&self) -> &Node {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn rep(self, rep: Reply) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `socket`, `pending`, and `node_info` are never read
[INFO] [stderr]   --> src/kademlia/networking.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct Rpc {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] 62 |     socket: Arc<UdpSocket>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 63 |     pending: Arc<Mutex<HashMap<Key, Sender<Option<Reply>>>>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 64 |     node_info: Node,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Rpc` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `open`, `handle_rep`, `send_msg`, and `send_req` are never used
[INFO] [stderr]    --> src/kademlia/networking.rs:67:12
[INFO] [stderr]     |
[INFO] [stderr] 66  | impl Rpc {
[INFO] [stderr]     | -------- associated items in this implementation
[INFO] [stderr] 67  |     pub fn open(socket: UdpSocket, tx: Sender<ReqHandle>, node_info: Node) -> Rpc {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 119 |     fn handle_rep(self, token: Key, rep: Reply) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 136 |     fn send_msg(&self, rmsg: &RpcMessage, addr: &str) {
[INFO] [stderr]     |        ^^^^^^^^
[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 `N_BUCKETS` is never used
[INFO] [stderr]  --> src/kademlia/routing.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const N_BUCKETS: usize = KEY_LEN * 8;
[INFO] [stderr]   |           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `K_ENTRIES_PER_BUCKET` is never used
[INFO] [stderr]  --> src/kademlia/routing.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const K_ENTRIES_PER_BUCKET: usize = 8;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `node_info` and `buckets` are never read
[INFO] [stderr]   --> src/kademlia/routing.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct RoutingTable {
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] 41 |     node_info: Node,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 42 |     buckets: Vec<Vec<Node>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RoutingTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `update`, `closest_nodes`, `remove`, `lookup_bucket_index`, and `print` are never used
[INFO] [stderr]    --> src/kademlia/routing.rs:46:12
[INFO] [stderr]     |
[INFO] [stderr] 45  | impl RoutingTable {
[INFO] [stderr]     | ----------------- associated items in this implementation
[INFO] [stderr] 46  |     pub fn new(node_info: Node) -> RoutingTable {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 60  |     pub fn update(&mut self, node_info: Node) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84  |     pub fn closest_nodes(&self, item: Key, count: usize) -> Vec<KnownNode> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub fn remove(&mut self, node_info: &Node) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 114 |     fn lookup_bucket_index(&self, item: Key) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 118 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kademlia-rs` (bin "kademlia-rs" test) generated 18 warnings (run `cargo fix --bin "kademlia-rs" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kademlia_rs-ec90e4596463c5d3)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f627032b46ad6033a9102d40025cb8c7b5036d23847bc25355f57ed77201c2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f627032b46ad6033a9102d40025cb8c7b5036d23847bc25355f57ed77201c2c8", kill_on_drop: false }`
[INFO] [stdout] f627032b46ad6033a9102d40025cb8c7b5036d23847bc25355f57ed77201c2c8
[INFO] testing nmrshll/kademlia-dht-rs against beta-2024-01-09 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnmrshll%2Fkademlia-dht-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nmrshll/kademlia-dht-rs on toolchain beta-2024-01-09
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90053c71ed579a1c28ac3c096779fee341d68b1b8d0728404e539c22ed91de41
[INFO] running `Command { std: "docker" "start" "-a" "90053c71ed579a1c28ac3c096779fee341d68b1b8d0728404e539c22ed91de41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90053c71ed579a1c28ac3c096779fee341d68b1b8d0728404e539c22ed91de41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90053c71ed579a1c28ac3c096779fee341d68b1b8d0728404e539c22ed91de41", kill_on_drop: false }`
[INFO] [stdout] 90053c71ed579a1c28ac3c096779fee341d68b1b8d0728404e539c22ed91de41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11e1d18de64e2fc790aef90f4b747346bfea9f1d91860ee5969bd4c56886e26
[INFO] running `Command { std: "docker" "start" "-a" "c11e1d18de64e2fc790aef90f4b747346bfea9f1d91860ee5969bd4c56886e26", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/650745ceb2ae60e04f8cd7bfb671fc37239533e4/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c11e1d18de64e2fc790aef90f4b747346bfea9f1d91860ee5969bd4c56886e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11e1d18de64e2fc790aef90f4b747346bfea9f1d91860ee5969bd4c56886e26", kill_on_drop: false }`
[INFO] [stdout] c11e1d18de64e2fc790aef90f4b747346bfea9f1d91860ee5969bd4c56886e26
