[INFO] cloning repository https://github.com/kodmanyagha/libp2p-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kodmanyagha/libp2p-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Flibp2p-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Flibp2p-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fabe3b13987f8a9da34a510d5ba26a533e60cc0
[INFO] checking kodmanyagha/libp2p-tutorial against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkodmanyagha%2Flibp2p-tutorial" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kodmanyagha/libp2p-tutorial
[INFO] finished tweaking git repo https://github.com/kodmanyagha/libp2p-tutorial
[INFO] tweaked toml for git repo https://github.com/kodmanyagha/libp2p-tutorial written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kodmanyagha/libp2p-tutorial on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kodmanyagha/libp2p-tutorial 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e61ef05ef2e68f2f5ad7632597c1ed0f6142382fc1f01f47c7160ba139cecac
[INFO] running `Command { std: "docker" "start" "-a" "6e61ef05ef2e68f2f5ad7632597c1ed0f6142382fc1f01f47c7160ba139cecac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e61ef05ef2e68f2f5ad7632597c1ed0f6142382fc1f01f47c7160ba139cecac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e61ef05ef2e68f2f5ad7632597c1ed0f6142382fc1f01f47c7160ba139cecac", kill_on_drop: false }`
[INFO] [stdout] 6e61ef05ef2e68f2f5ad7632597c1ed0f6142382fc1f01f47c7160ba139cecac
[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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91727648c8ea46c1ce7475b2c99341550848ae94abfcadc24830184fc489ebcb
[INFO] running `Command { std: "docker" "start" "-a" "91727648c8ea46c1ce7475b2c99341550848ae94abfcadc24830184fc489ebcb", kill_on_drop: false }`
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[INFO] [stdout] warning: variant `PortNotAvailable` is never constructed
[INFO] [stdout]   --> src/bin/chat_app/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum AppError {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     PortNotAvailable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Builder`
[INFO] [stdout]  --> src/bin/poc_kademlia/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use env_logger::{Builder, Env};
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p::futures::StreamExt`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libp2p::futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p::swarm::SwarmEvent`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use libp2p::swarm::SwarmEvent;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as IdentifyEvent`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:16:62
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Behaviour as IdentifyBehavior, Config as IdentifyConfig, Event as IdentifyEvent,
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event as KadEvent` and `RoutingUpdate`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Event as KadEvent, RoutingUpdate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event as RequestResponseEvent` and `Message as RequestResponseMessage`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Config as RequestResponseConfig, Event as RequestResponseEvent,
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     Message as RequestResponseMessage, ProtocolSupport as RequestResponseProtocolSupport,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as AgentEvent`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 | use behavior::{Behavior as AgentBehavior, Event as AgentEvent};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p::tls::certificate::parse`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use libp2p::tls::certificate::parse;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Builder`
[INFO] [stdout]  --> src/bin/poc_kademlia/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use env_logger::{Builder, Env};
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p::futures::StreamExt`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libp2p::futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libp2p::swarm::SwarmEvent`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use libp2p::swarm::SwarmEvent;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as IdentifyEvent`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:16:62
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Behaviour as IdentifyBehavior, Config as IdentifyConfig, Event as IdentifyEvent,
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event as KadEvent` and `RoutingUpdate`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Event as KadEvent, RoutingUpdate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event as RequestResponseEvent` and `Message as RequestResponseMessage`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Config as RequestResponseConfig, Event as RequestResponseEvent,
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     Message as RequestResponseMessage, ProtocolSupport as RequestResponseProtocolSupport,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event as AgentEvent`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 | use behavior::{Behavior as AgentBehavior, Event as AgentEvent};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |         fn func1(&self, foo: i32, bar: i64, baz: String) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |         fn func1(&self, foo: i32, bar: i64, baz: String) {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_bar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `baz`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         fn func1(&self, foo: i32, bar: i64, baz: String) {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_baz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |         fn func2(&self, foo: String, bar: u64) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |         fn func2(&self, foo: String, bar: u64) {
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_bar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quu`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:78:25
[INFO] [stdout]    |
[INFO] [stdout] 78 |         fn func3(&self, quu: bool, qux: u8) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_quu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qux`
[INFO] [stdout]   --> src/bin/chat_app/types.rs:78:36
[INFO] [stdout]    |
[INFO] [stdout] 78 |         fn func3(&self, quu: bool, qux: u8) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_qux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PortNotAvailable` is never constructed
[INFO] [stdout]   --> src/bin/chat_app/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum AppError {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     PortNotAvailable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExampleStruct1` is never constructed
[INFO] [stdout]   --> src/bin/chat_app/types.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     struct ExampleStruct1(String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait1` is never used
[INFO] [stdout]   --> src/bin/chat_app/types.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 |     trait Trait1 {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait2` is never used
[INFO] [stdout]   --> src/bin/chat_app/types.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 |     trait Trait2 {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait3` is never used
[INFO] [stdout]   --> src/bin/chat_app/types.rs:77:11
[INFO] [stdout]    |
[INFO] [stdout] 77 |     trait Trait3 {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait4` is never used
[INFO] [stdout]   --> src/bin/chat_app/types.rs:83:11
[INFO] [stdout]    |
[INFO] [stdout] 83 |     trait Trait4<'a>: Trait3 + Trait2 {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FooStruct` is never constructed
[INFO] [stdout]   --> src/bin/chat_app/types.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |     struct FooStruct {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut swarm = libp2p::SwarmBuilder::with_existing_identity(local_key.clone())
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swarm`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut swarm = libp2p::SwarmBuilder::with_existing_identity(local_key.clone())
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_swarm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `register_addr_kad`, `send_message`, `send_response`, and `set_server_mode` are never used
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Behavior {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn register_addr_kad(&mut self, peer_id: &PeerId, addr: Multiaddr) -> RoutingUpdate {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn send_message(&mut self, peer_id: &PeerId, message: GreeRequest) -> OutboundRequestId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn send_response(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn set_server_mode(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Identify(IdentifyEvent),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 61 -     Identify(IdentifyEvent),
[INFO] [stdout] 61 +     Identify(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Kad(KademliaEvent),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 62 -     Kad(KademliaEvent),
[INFO] [stdout] 62 +     Kad(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |     RequestResponse(RequestResponseEvent<GreeRequest, GreetResponse>),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     RequestResponse(RequestResponseEvent<GreeRequest, GreetResponse>),
[INFO] [stdout] 63 +     RequestResponse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut swarm = libp2p::SwarmBuilder::with_existing_identity(local_key.clone())
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swarm`
[INFO] [stdout]   --> src/bin/poc_kademlia/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut swarm = libp2p::SwarmBuilder::with_existing_identity(local_key.clone())
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_swarm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `register_addr_kad`, `send_message`, `send_response`, and `set_server_mode` are never used
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Behavior {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn register_addr_kad(&mut self, peer_id: &PeerId, addr: Multiaddr) -> RoutingUpdate {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn send_message(&mut self, peer_id: &PeerId, message: GreeRequest) -> OutboundRequestId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn send_response(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn set_server_mode(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Identify(IdentifyEvent),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 61 -     Identify(IdentifyEvent),
[INFO] [stdout] 61 +     Identify(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Kad(KademliaEvent),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 62 -     Kad(KademliaEvent),
[INFO] [stdout] 62 +     Kad(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/poc_kademlia/behavior.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |     RequestResponse(RequestResponseEvent<GreeRequest, GreetResponse>),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     RequestResponse(RequestResponseEvent<GreeRequest, GreetResponse>),
[INFO] [stdout] 63 +     RequestResponse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[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" "91727648c8ea46c1ce7475b2c99341550848ae94abfcadc24830184fc489ebcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91727648c8ea46c1ce7475b2c99341550848ae94abfcadc24830184fc489ebcb", kill_on_drop: false }`
[INFO] [stdout] 91727648c8ea46c1ce7475b2c99341550848ae94abfcadc24830184fc489ebcb
