[INFO] updating cached repository https://github.com/brapse/light-spike
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/brapse/light-spike
[INFO] [stderr]  * [new branch]      concurrency -> concurrency
[INFO] [stderr]    931e766..0ca4b19  master      -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ca4b19de9d2e03b22aad5d35a3c338c3a917068
[INFO] checking brapse/light-spike against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Flight-spike" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brapse/light-spike on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/brapse/light-spike
[INFO] finished tweaking git repo https://github.com/brapse/light-spike
[INFO] tweaked toml for git repo https://github.com/brapse/light-spike written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/brapse/light-spike already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e83388c848ef10cc0b23eb51319967cc0a5fc90eeb0b3cdab33fae3f785e7be7
[INFO] running `"docker" "start" "-a" "e83388c848ef10cc0b23eb51319967cc0a5fc90eeb0b3cdab33fae3f785e7be7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking light-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/light_client.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/light_client.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Height`
[INFO] [stderr]  --> src/light_client.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Height = u64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     peers: HashMap<PeerID, Instance>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primary`
[INFO] [stderr]   --> src/light_client.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `primary`
[INFO] [stderr]   --> src/light_client.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn primary(&mut self) -> Option<Instance> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove_secondary`
[INFO] [stderr]   --> src/light_client.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `swap_primary`
[INFO] [stderr]   --> src/light_client.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn swap_primary(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]   --> src/light_client.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Fork`
[INFO] [stderr]   --> src/light_client.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 | enum Fork {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     peer_id: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `verify_to_target`
[INFO] [stderr]   --> src/light_client.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn verify_to_target(&mut self, _height: Height) -> Option<Header>{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Event`
[INFO] [stderr]   --> src/light_client.rs:47:6
[INFO] [stderr]    |
[INFO] [stderr] 47 | enum Event {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     peers: PeerList,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `verify_to_target`
[INFO] [stderr]   --> src/light_client.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn verify_to_target(&mut self, height: Height) -> Option<Header> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `report_evidence`
[INFO] [stderr]    --> src/light_client.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn report_evidence(&mut self, _header: &Header) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Height`
[INFO] [stderr]  --> src/light_client.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Height = u64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     peers: HashMap<PeerID, Instance>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `primary`
[INFO] [stderr]   --> src/light_client.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     primary: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `primary`
[INFO] [stderr]   --> src/light_client.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn primary(&mut self) -> Option<Instance> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove_secondary`
[INFO] [stderr]   --> src/light_client.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn remove_secondary(&mut self, peer_id: PeerID) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `swap_primary`
[INFO] [stderr]   --> src/light_client.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn swap_primary(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]   --> src/light_client.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `detect_forks`
[INFO] [stderr]    --> src/light_client.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn detect_forks(&mut self, _header: &Header) -> Option<Vec<Fork>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]    --> src/light_client.rs:123:8
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn run(mut self,
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relay`
[INFO] [stderr]  --> src/relayer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Relay(), // 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LightBlock`
[INFO] [stderr]  --> src/relayer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LightBlock(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/relayer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Terminate(),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminated`
[INFO] [stderr]  --> src/relayer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Terminated(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Timeout`
[INFO] [stderr]  --> src/relayer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Timeout(),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/relayer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp(),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle`
[INFO] [stderr]   --> src/relayer.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/relayer.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn run(mut self,
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Fork`
[INFO] [stderr]   --> src/light_client.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 | enum Fork {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peer_id`
[INFO] [stderr]   --> src/light_client.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     peer_id: PeerID,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `verify_to_target`
[INFO] [stderr]   --> src/light_client.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn verify_to_target(&mut self, _height: Height) -> Option<Header>{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Event`
[INFO] [stderr]   --> src/light_client.rs:47:6
[INFO] [stderr]    |
[INFO] [stderr] 47 | enum Event {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `peers`
[INFO] [stderr]   --> src/light_client.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     peers: PeerList,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `verify_to_target`
[INFO] [stderr]   --> src/light_client.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn verify_to_target(&mut self, height: Height) -> Option<Header> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `report_evidence`
[INFO] [stderr]    --> src/light_client.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn report_evidence(&mut self, _header: &Header) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `detect_forks`
[INFO] [stderr]    --> src/light_client.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn detect_forks(&mut self, _header: &Header) -> Option<Vec<Fork>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]    --> src/light_client.rs:123:8
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn run(mut self,
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Relay`
[INFO] [stderr]  --> src/relayer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Relay(), // 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LightBlock`
[INFO] [stderr]  --> src/relayer.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     LightBlock(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminate`
[INFO] [stderr]  --> src/relayer.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Terminate(),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Terminated`
[INFO] [stderr]  --> src/relayer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Terminated(),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Timeout`
[INFO] [stderr]  --> src/relayer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Timeout(),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/relayer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp(),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `handle`
[INFO] [stderr]   --> src/relayer.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn handle(&mut self, event: Event) -> Event {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]   --> src/relayer.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn run(mut self,
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{thread,time};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{thread,time};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::{Instant, Duration};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let event = node_receiver.recv().unwrap();
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_client`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let light_client = Supervisor::new();
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_client`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let relayer = Relayer::new();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_sender`
[INFO] [stderr]   --> src/main.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let (node_sender, node_receiver) = channel::unbounded::<Event>();
[INFO] [stderr]    |          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_client_sender`
[INFO] [stderr]   --> src/main.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let (light_client_sender, light_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_client_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_client_receiver`
[INFO] [stderr]   --> src/main.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let (light_client_sender, light_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_client_receiver`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer_client_sender`
[INFO] [stderr]   --> src/main.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let (relayer_client_sender, relyaer_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_client_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relyaer_client_receiver`
[INFO] [stderr]   --> src/main.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let (relayer_client_sender, relyaer_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relyaer_client_receiver`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let event = node_receiver.recv().unwrap();
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_client`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let light_client = Supervisor::new();
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_client`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let relayer = Relayer::new();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_sender`
[INFO] [stderr]   --> src/main.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let (node_sender, node_receiver) = channel::unbounded::<Event>();
[INFO] [stderr]    |          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_client_sender`
[INFO] [stderr]   --> src/main.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let (light_client_sender, light_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_client_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_client_receiver`
[INFO] [stderr]   --> src/main.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let (light_client_sender, light_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_light_client_receiver`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relayer_client_sender`
[INFO] [stderr]   --> src/main.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let (relayer_client_sender, relyaer_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relayer_client_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `relyaer_client_receiver`
[INFO] [stderr]   --> src/main.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let (relayer_client_sender, relyaer_client_receiver)  = channel::unbounded::<Event>();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_relyaer_client_receiver`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `"docker" "inspect" "e83388c848ef10cc0b23eb51319967cc0a5fc90eeb0b3cdab33fae3f785e7be7"`
[INFO] running `"docker" "rm" "-f" "e83388c848ef10cc0b23eb51319967cc0a5fc90eeb0b3cdab33fae3f785e7be7"`
[INFO] [stdout] e83388c848ef10cc0b23eb51319967cc0a5fc90eeb0b3cdab33fae3f785e7be7