[INFO] cloning repository https://github.com/hustxiaoc/learningblockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hustxiaoc/learningblockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningblockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningblockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a541eea6172e3e526cbd40469c77755aa7c3e070
[INFO] checking hustxiaoc/learningblockchain against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhustxiaoc%2Flearningblockchain" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hustxiaoc/learningblockchain on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hustxiaoc/learningblockchain
[INFO] finished tweaking git repo https://github.com/hustxiaoc/learningblockchain
[INFO] tweaked toml for git repo https://github.com/hustxiaoc/learningblockchain written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hustxiaoc/learningblockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-modes v0.3.3
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded ripemd160 v0.8.0
[INFO] [stderr]   Downloaded parity-crypto v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4201cb491bb5fb1c031c476efb80ab8ed976cbcb82117fb82605830371171851
[INFO] running `Command { std: "docker" "start" "-a" "4201cb491bb5fb1c031c476efb80ab8ed976cbcb82117fb82605830371171851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4201cb491bb5fb1c031c476efb80ab8ed976cbcb82117fb82605830371171851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4201cb491bb5fb1c031c476efb80ab8ed976cbcb82117fb82605830371171851", kill_on_drop: false }`
[INFO] [stdout] 4201cb491bb5fb1c031c476efb80ab8ed976cbcb82117fb82605830371171851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc5e24f1c1aa3276eba8452919134d407cc0a15a534733b0d9f2a2f0de1ca89c
[INFO] running `Command { std: "docker" "start" "-a" "dc5e24f1c1aa3276eba8452919134d407cc0a15a534733b0d9f2a2f0de1ca89c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   tokio v0.2.22: winapi
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking parity-bytes v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking ethbloom v0.5.3
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking ethereum-types v0.4.2
[INFO] [stderr]     Checking keccak-hash v0.1.2
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking parity-crypto v0.6.2
[INFO] [stderr]     Checking rusteth v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (12 fixes)
[INFO] [stderr]        Fixed src/peer.rs (13 fixes)
[INFO] [stderr]        Fixed src/message.rs (1 fix)
[INFO] [stderr]        Fixed src/dht.rs (15 fixes)
[INFO] [stderr]        Fixed src/node.rs (22 fixes)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/node.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/node.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/node.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/node.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_message_type`
[INFO] [stdout]   --> src/peer.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn print_message_type(message_type: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NodePoint`
[INFO] [stdout]   --> src/peer.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct NodePoint {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Peer`
[INFO] [stdout]   --> src/peer.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Peer {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/peer.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(addr: SocketAddr, private_key: SecretKey) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_packet`
[INFO] [stdout]   --> src/peer.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn on_packet(&self, message_type: u8, rlp: Rlp, read_buf: &[u8], _pubkey: PublicKey) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/peer.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub async fn run(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_DATAGRAM_SIZE`
[INFO] [stdout]    --> src/peer.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         const MAX_DATAGRAM_SIZE: usize = 65_507;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXPIRY_TIME`
[INFO] [stdout]   --> src/message.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const EXPIRY_TIME: Duration = Duration::from_secs(20);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpItem`
[INFO] [stdout]   --> src/message.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type RlpItem = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpList`
[INFO] [stdout]   --> src/message.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type RlpList = Vec<RlpItem>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/message.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(ip: IpAddr, port: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_sock_addr`
[INFO] [stdout]   --> src/message.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn from_sock_addr(addr: &SocketAddr) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_rlp`
[INFO] [stdout]   --> src/message.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn encode_rlp(&self, rlp: &mut RlpStream) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ip_bytes`
[INFO] [stdout]   --> src/message.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn get_ip_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u16_2buttfer`
[INFO] [stdout]    --> src/message.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn int_u16_2buttfer(number: u16) -> [u8; 2] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u32_2buttfer`
[INFO] [stdout]    --> src/message.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn int_u32_2buttfer(number: u32) -> [u8; 4] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_ping`
[INFO] [stdout]    --> src/message.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn encode_ping(from: &PeerInfo, to: &PeerInfo, secret: &SecretKey) -> Vec<u8>  {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_pong`
[INFO] [stdout]    --> src/message.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn encode_pong(from: &PeerInfo, hashbuf: &Vec<u8>, timestamp: &u64, secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_find_node`
[INFO] [stdout]    --> src/message.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn encode_find_node(secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes`
[INFO] [stdout]   --> src/dht.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nodes: Vec<PeerInfo>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dht.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bootstrap`
[INFO] [stdout]   --> src/dht.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bootstrap(&self, _peer: PeerInfo) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Header`
[INFO] [stdout]   --> src/node.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Body`
[INFO] [stdout]   --> src/node.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Body,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rx`
[INFO] [stdout]   --> src/node.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | type Rx = UnboundedReceiver<Vec<u8>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `secret`
[INFO] [stdout]   --> src/node.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     secret: Secret,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/node.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     id: Public,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_ephemeral_public_key`
[INFO] [stdout]   --> src/node.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     remote_ephemeral_public_key: RefCell<Public>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_nonce`
[INFO] [stdout]   --> src/node.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     remote_nonce: RefCell<H256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RECEIVE_PAYLOAD`
[INFO] [stdout]   --> src/node.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | const RECEIVE_PAYLOAD: Duration = Duration::from_secs(30);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAYLOAD_SOFT_LIMIT`
[INFO] [stdout]   --> src/node.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub const PAYLOAD_SOFT_LIMIT: usize = (1 << 22) - 1; // 4Mb
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_DISCONNECT`
[INFO] [stdout]   --> src/node.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | const PACKET_DISCONNECT: u8 = 0x01;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PING`
[INFO] [stdout]   --> src/node.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const PACKET_PING: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PONG`
[INFO] [stdout]   --> src/node.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | const PACKET_PONG: u8 = 0x03;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_GET_PEERS`
[INFO] [stdout]   --> src/node.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | const PACKET_GET_PEERS: u8 = 0x04;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PEERS`
[INFO] [stdout]   --> src/node.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const PACKET_PEERS: u8 = 0x05;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_USER`
[INFO] [stdout]   --> src/node.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | const PACKET_USER: u8 = 0x10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_LAST`
[INFO] [stdout]   --> src/node.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | const PACKET_LAST: u8 = 0x7f;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_frame`
[INFO] [stdout]    --> src/node.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn encode_frame(message_code: u64, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_payload`
[INFO] [stdout]    --> src/node.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn read_payload(&mut self, mut payload: Bytes, payload_len: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_header`
[INFO] [stdout]    --> src/node.rs:404:8
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn handle_header(&self, buf: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]    --> src/node.rs:409:14
[INFO] [stdout]     |
[INFO] [stdout] 409 |     async fn write(&self, rx: &mut Rx, stream: &mut WriteHalf<TcpStream>) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/peer.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 tx.send(ping);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_message_type`
[INFO] [stdout]   --> src/peer.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn print_message_type(message_type: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NodePoint`
[INFO] [stdout]   --> src/peer.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct NodePoint {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Peer`
[INFO] [stdout]   --> src/peer.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Peer {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/peer.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(addr: SocketAddr, private_key: SecretKey) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_packet`
[INFO] [stdout]   --> src/peer.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn on_packet(&self, message_type: u8, rlp: Rlp, read_buf: &[u8], _pubkey: PublicKey) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/peer.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub async fn run(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_DATAGRAM_SIZE`
[INFO] [stdout]    --> src/peer.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         const MAX_DATAGRAM_SIZE: usize = 65_507;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXPIRY_TIME`
[INFO] [stdout]   --> src/message.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const EXPIRY_TIME: Duration = Duration::from_secs(20);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpItem`
[INFO] [stdout]   --> src/message.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type RlpItem = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpList`
[INFO] [stdout]   --> src/message.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type RlpList = Vec<RlpItem>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/message.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(ip: IpAddr, port: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_sock_addr`
[INFO] [stdout]   --> src/message.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn from_sock_addr(addr: &SocketAddr) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_rlp`
[INFO] [stdout]   --> src/message.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn encode_rlp(&self, rlp: &mut RlpStream) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ip_bytes`
[INFO] [stdout]   --> src/message.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn get_ip_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u16_2buttfer`
[INFO] [stdout]    --> src/message.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn int_u16_2buttfer(number: u16) -> [u8; 2] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u32_2buttfer`
[INFO] [stdout]    --> src/message.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn int_u32_2buttfer(number: u32) -> [u8; 4] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_ping`
[INFO] [stdout]    --> src/message.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn encode_ping(from: &PeerInfo, to: &PeerInfo, secret: &SecretKey) -> Vec<u8>  {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_pong`
[INFO] [stdout]    --> src/message.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn encode_pong(from: &PeerInfo, hashbuf: &Vec<u8>, timestamp: &u64, secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_find_node`
[INFO] [stdout]    --> src/message.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn encode_find_node(secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes`
[INFO] [stdout]   --> src/dht.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nodes: Vec<PeerInfo>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dht.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bootstrap`
[INFO] [stdout]   --> src/dht.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bootstrap(&self, _peer: PeerInfo) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Header`
[INFO] [stdout]   --> src/node.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Body`
[INFO] [stdout]   --> src/node.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Body,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rx`
[INFO] [stdout]   --> src/node.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | type Rx = UnboundedReceiver<Vec<u8>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `secret`
[INFO] [stdout]   --> src/node.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     secret: Secret,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/node.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     id: Public,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_ephemeral_public_key`
[INFO] [stdout]   --> src/node.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     remote_ephemeral_public_key: RefCell<Public>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_nonce`
[INFO] [stdout]   --> src/node.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     remote_nonce: RefCell<H256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RECEIVE_PAYLOAD`
[INFO] [stdout]   --> src/node.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | const RECEIVE_PAYLOAD: Duration = Duration::from_secs(30);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAYLOAD_SOFT_LIMIT`
[INFO] [stdout]   --> src/node.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub const PAYLOAD_SOFT_LIMIT: usize = (1 << 22) - 1; // 4Mb
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_DISCONNECT`
[INFO] [stdout]   --> src/node.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | const PACKET_DISCONNECT: u8 = 0x01;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PING`
[INFO] [stdout]   --> src/node.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const PACKET_PING: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PONG`
[INFO] [stdout]   --> src/node.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | const PACKET_PONG: u8 = 0x03;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_GET_PEERS`
[INFO] [stdout]   --> src/node.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | const PACKET_GET_PEERS: u8 = 0x04;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PEERS`
[INFO] [stdout]   --> src/node.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const PACKET_PEERS: u8 = 0x05;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_USER`
[INFO] [stdout]   --> src/node.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | const PACKET_USER: u8 = 0x10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_LAST`
[INFO] [stdout]   --> src/node.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | const PACKET_LAST: u8 = 0x7f;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_frame`
[INFO] [stdout]    --> src/node.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn encode_frame(message_code: u64, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_payload`
[INFO] [stdout]    --> src/node.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn read_payload(&mut self, mut payload: Bytes, payload_len: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_header`
[INFO] [stdout]    --> src/node.rs:404:8
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn handle_header(&self, buf: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]    --> src/node.rs:409:14
[INFO] [stdout]     |
[INFO] [stdout] 409 |     async fn write(&self, rx: &mut Rx, stream: &mut WriteHalf<TcpStream>) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/peer.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 tx.send(ping);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.51s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking rusteth v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/node.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/node.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/node.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/node.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_message_type`
[INFO] [stdout]   --> src/peer.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn print_message_type(message_type: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NodePoint`
[INFO] [stdout]   --> src/peer.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct NodePoint {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Peer`
[INFO] [stdout]   --> src/peer.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Peer {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/peer.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(addr: SocketAddr, private_key: SecretKey) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_packet`
[INFO] [stdout]   --> src/peer.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn on_packet(&self, message_type: u8, rlp: Rlp, read_buf: &[u8], _pubkey: PublicKey) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/peer.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub async fn run(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_DATAGRAM_SIZE`
[INFO] [stdout]    --> src/peer.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         const MAX_DATAGRAM_SIZE: usize = 65_507;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXPIRY_TIME`
[INFO] [stdout]   --> src/message.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const EXPIRY_TIME: Duration = Duration::from_secs(20);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpItem`
[INFO] [stdout]   --> src/message.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type RlpItem = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpList`
[INFO] [stdout]   --> src/message.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type RlpList = Vec<RlpItem>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/message.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(ip: IpAddr, port: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_sock_addr`
[INFO] [stdout]   --> src/message.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn from_sock_addr(addr: &SocketAddr) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_rlp`
[INFO] [stdout]   --> src/message.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn encode_rlp(&self, rlp: &mut RlpStream) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ip_bytes`
[INFO] [stdout]   --> src/message.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn get_ip_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u16_2buttfer`
[INFO] [stdout]    --> src/message.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn int_u16_2buttfer(number: u16) -> [u8; 2] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u32_2buttfer`
[INFO] [stdout]    --> src/message.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn int_u32_2buttfer(number: u32) -> [u8; 4] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_ping`
[INFO] [stdout]    --> src/message.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn encode_ping(from: &PeerInfo, to: &PeerInfo, secret: &SecretKey) -> Vec<u8>  {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_pong`
[INFO] [stdout]    --> src/message.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn encode_pong(from: &PeerInfo, hashbuf: &Vec<u8>, timestamp: &u64, secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_find_node`
[INFO] [stdout]    --> src/message.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn encode_find_node(secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes`
[INFO] [stdout]   --> src/dht.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nodes: Vec<PeerInfo>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dht.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bootstrap`
[INFO] [stdout]   --> src/dht.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bootstrap(&self, _peer: PeerInfo) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Header`
[INFO] [stdout]   --> src/node.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Body`
[INFO] [stdout]   --> src/node.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Body,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rx`
[INFO] [stdout]   --> src/node.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | type Rx = UnboundedReceiver<Vec<u8>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `secret`
[INFO] [stdout]   --> src/node.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     secret: Secret,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/node.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     id: Public,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_ephemeral_public_key`
[INFO] [stdout]   --> src/node.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     remote_ephemeral_public_key: RefCell<Public>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_nonce`
[INFO] [stdout]   --> src/node.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     remote_nonce: RefCell<H256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RECEIVE_PAYLOAD`
[INFO] [stdout]   --> src/node.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | const RECEIVE_PAYLOAD: Duration = Duration::from_secs(30);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAYLOAD_SOFT_LIMIT`
[INFO] [stdout]   --> src/node.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub const PAYLOAD_SOFT_LIMIT: usize = (1 << 22) - 1; // 4Mb
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_DISCONNECT`
[INFO] [stdout]   --> src/node.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | const PACKET_DISCONNECT: u8 = 0x01;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PING`
[INFO] [stdout]   --> src/node.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const PACKET_PING: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PONG`
[INFO] [stdout]   --> src/node.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | const PACKET_PONG: u8 = 0x03;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_GET_PEERS`
[INFO] [stdout]   --> src/node.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | const PACKET_GET_PEERS: u8 = 0x04;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PEERS`
[INFO] [stdout]   --> src/node.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const PACKET_PEERS: u8 = 0x05;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_USER`
[INFO] [stdout]   --> src/node.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | const PACKET_USER: u8 = 0x10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_LAST`
[INFO] [stdout]   --> src/node.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | const PACKET_LAST: u8 = 0x7f;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_frame`
[INFO] [stdout]    --> src/node.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn encode_frame(message_code: u64, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_payload`
[INFO] [stdout]    --> src/node.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn read_payload(&mut self, mut payload: Bytes, payload_len: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_header`
[INFO] [stdout]    --> src/node.rs:404:8
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn handle_header(&self, buf: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]    --> src/node.rs:409:14
[INFO] [stdout]     |
[INFO] [stdout] 409 |     async fn write(&self, rx: &mut Rx, stream: &mut WriteHalf<TcpStream>) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/peer.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 tx.send(ping);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_message_type`
[INFO] [stdout]   --> src/peer.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn print_message_type(message_type: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NodePoint`
[INFO] [stdout]   --> src/peer.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct NodePoint {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Peer`
[INFO] [stdout]   --> src/peer.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Peer {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/peer.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(addr: SocketAddr, private_key: SecretKey) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_packet`
[INFO] [stdout]   --> src/peer.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn on_packet(&self, message_type: u8, rlp: Rlp, read_buf: &[u8], _pubkey: PublicKey) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/peer.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub async fn run(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_DATAGRAM_SIZE`
[INFO] [stdout]    --> src/peer.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         const MAX_DATAGRAM_SIZE: usize = 65_507;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXPIRY_TIME`
[INFO] [stdout]   --> src/message.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const EXPIRY_TIME: Duration = Duration::from_secs(20);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpItem`
[INFO] [stdout]   --> src/message.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type RlpItem = Vec<u8>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `RlpList`
[INFO] [stdout]   --> src/message.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type RlpList = Vec<RlpItem>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/message.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(ip: IpAddr, port: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_sock_addr`
[INFO] [stdout]   --> src/message.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn from_sock_addr(addr: &SocketAddr) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_rlp`
[INFO] [stdout]   --> src/message.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn encode_rlp(&self, rlp: &mut RlpStream) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ip_bytes`
[INFO] [stdout]   --> src/message.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn get_ip_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u16_2buttfer`
[INFO] [stdout]    --> src/message.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn int_u16_2buttfer(number: u16) -> [u8; 2] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `int_u32_2buttfer`
[INFO] [stdout]    --> src/message.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn int_u32_2buttfer(number: u32) -> [u8; 4] {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_ping`
[INFO] [stdout]    --> src/message.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub fn encode_ping(from: &PeerInfo, to: &PeerInfo, secret: &SecretKey) -> Vec<u8>  {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_pong`
[INFO] [stdout]    --> src/message.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn encode_pong(from: &PeerInfo, hashbuf: &Vec<u8>, timestamp: &u64, secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_find_node`
[INFO] [stdout]    --> src/message.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn encode_find_node(secret: &SecretKey) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes`
[INFO] [stdout]   --> src/dht.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nodes: Vec<PeerInfo>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dht.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bootstrap`
[INFO] [stdout]   --> src/dht.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn bootstrap(&self, _peer: PeerInfo) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Header`
[INFO] [stdout]   --> src/node.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Body`
[INFO] [stdout]   --> src/node.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Body,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Rx`
[INFO] [stdout]   --> src/node.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | type Rx = UnboundedReceiver<Vec<u8>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `secret`
[INFO] [stdout]   --> src/node.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     secret: Secret,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/node.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     id: Public,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_ephemeral_public_key`
[INFO] [stdout]   --> src/node.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     remote_ephemeral_public_key: RefCell<Public>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remote_nonce`
[INFO] [stdout]   --> src/node.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     remote_nonce: RefCell<H256>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RECEIVE_PAYLOAD`
[INFO] [stdout]   --> src/node.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | const RECEIVE_PAYLOAD: Duration = Duration::from_secs(30);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAYLOAD_SOFT_LIMIT`
[INFO] [stdout]   --> src/node.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub const PAYLOAD_SOFT_LIMIT: usize = (1 << 22) - 1; // 4Mb
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_DISCONNECT`
[INFO] [stdout]   --> src/node.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | const PACKET_DISCONNECT: u8 = 0x01;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PING`
[INFO] [stdout]   --> src/node.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const PACKET_PING: u8 = 0x02;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PONG`
[INFO] [stdout]   --> src/node.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | const PACKET_PONG: u8 = 0x03;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_GET_PEERS`
[INFO] [stdout]   --> src/node.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | const PACKET_GET_PEERS: u8 = 0x04;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_PEERS`
[INFO] [stdout]   --> src/node.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const PACKET_PEERS: u8 = 0x05;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_USER`
[INFO] [stdout]   --> src/node.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | const PACKET_USER: u8 = 0x10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKET_LAST`
[INFO] [stdout]   --> src/node.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | const PACKET_LAST: u8 = 0x7f;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `encode_frame`
[INFO] [stdout]    --> src/node.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn encode_frame(message_code: u64, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_payload`
[INFO] [stdout]    --> src/node.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn read_payload(&mut self, mut payload: Bytes, payload_len: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `handle_header`
[INFO] [stdout]    --> src/node.rs:404:8
[INFO] [stdout]     |
[INFO] [stdout] 404 |     fn handle_header(&self, buf: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]    --> src/node.rs:409:14
[INFO] [stdout]     |
[INFO] [stdout] 409 |     async fn write(&self, rx: &mut Rx, stream: &mut WriteHalf<TcpStream>) {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/peer.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |             tx.send(bytes);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/peer.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 tx.send(ping);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cecoveryId` should have a snake case name
[INFO] [stdout]    --> src/message.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |     let (signature, cecoveryId) = match sign(&Message::parse_slice(&sighash).unwrap(), secret) {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: convert the identifier to snake case: `cecovery_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "dc5e24f1c1aa3276eba8452919134d407cc0a15a534733b0d9f2a2f0de1ca89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5e24f1c1aa3276eba8452919134d407cc0a15a534733b0d9f2a2f0de1ca89c", kill_on_drop: false }`
[INFO] [stdout] dc5e24f1c1aa3276eba8452919134d407cc0a15a534733b0d9f2a2f0de1ca89c