[INFO] cloning repository https://github.com/johnaco96/RustBlockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnaco96/RustBlockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnaco96%2FRustBlockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnaco96%2FRustBlockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6acb6901c7a614a75b0d8ef1cd666ff6901ac59e
[INFO] checking johnaco96/RustBlockchain/6acb6901c7a614a75b0d8ef1cd666ff6901ac59e against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnaco96%2FRustBlockchain" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnaco96/RustBlockchain on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnaco96/RustBlockchain
[INFO] finished tweaking git repo https://github.com/johnaco96/RustBlockchain
[INFO] tweaked toml for git repo https://github.com/johnaco96/RustBlockchain written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/johnaco96/RustBlockchain 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" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded rcgen v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48c41c415366c776608dc2630fc1a8d54ced1a2763cebb0f71e628102e59b0c2
[INFO] running `Command { std: "docker" "start" "-a" "48c41c415366c776608dc2630fc1a8d54ced1a2763cebb0f71e628102e59b0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48c41c415366c776608dc2630fc1a8d54ced1a2763cebb0f71e628102e59b0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c41c415366c776608dc2630fc1a8d54ced1a2763cebb0f71e628102e59b0c2", kill_on_drop: false }`
[INFO] [stdout] 48c41c415366c776608dc2630fc1a8d54ced1a2763cebb0f71e628102e59b0c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abfe2a8c871e2ca1ea9b781fa9b6ab0c7fe931afef04ad477aaad0867d1ef9b7
[INFO] running `Command { std: "docker" "start" "-a" "abfe2a8c871e2ca1ea9b781fa9b6ab0c7fe931afef04ad477aaad0867d1ef9b7", kill_on_drop: false }`
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[INFO] [stderr]     Checking quinn-proto v0.11.10
[INFO] [stderr]     Checking blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/blockchain/block.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/blockchain/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `gen_save_kp`, `load_kp`, and `ver_sig`
[INFO] [stdout]   --> src/blockchain/block.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::keygen::{gen_save_kp, load_kp, sign_msg, ver_sig};
[INFO] [stdout]    |                     ^^^^^^^^^^^  ^^^^^^^            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::blockchain::transaction::Transaction`
[INFO] [stdout]  --> src/blockchain/validation.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::blockchain::transaction::Transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::NaiveDateTime`
[INFO] [stdout]  --> src/blockchain/validation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::NaiveDateTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]  --> src/blockchain/validation.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/blockchain/validation.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{fmt, thread};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustls::ServerConfig as RustlsServerConfig`
[INFO] [stdout]  --> src/keygen.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rustls::ServerConfig as RustlsServerConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ServerConfig`
[INFO] [stdout]  --> src/network/p2p.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quinn::{Endpoint, Connection, ServerConfig};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]  --> src/network/p2p.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/network/sync.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncBufReadExt`
[INFO] [stdout]   --> src/network/sync.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::io::AsyncBufReadExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::broadcast`
[INFO] [stdout]   --> src/network/sync.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::sync::broadcast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::BufReader`
[INFO] [stdout]   --> src/network/sync.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network/sync.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/blockchain/block.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/blockchain/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `gen_save_kp`, `load_kp`, and `ver_sig`
[INFO] [stdout]   --> src/blockchain/block.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::keygen::{gen_save_kp, load_kp, sign_msg, ver_sig};
[INFO] [stdout]    |                     ^^^^^^^^^^^  ^^^^^^^            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::blockchain::transaction::Transaction`
[INFO] [stdout]  --> src/blockchain/validation.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::blockchain::transaction::Transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::NaiveDateTime`
[INFO] [stdout]  --> src/blockchain/validation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::NaiveDateTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]  --> src/blockchain/validation.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/blockchain/validation.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{fmt, thread};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustls::ServerConfig as RustlsServerConfig`
[INFO] [stdout]  --> src/keygen.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rustls::ServerConfig as RustlsServerConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ServerConfig`
[INFO] [stdout]  --> src/network/p2p.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quinn::{Endpoint, Connection, ServerConfig};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]  --> src/network/p2p.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/network/sync.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncBufReadExt`
[INFO] [stdout]   --> src/network/sync.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::io::AsyncBufReadExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::broadcast`
[INFO] [stdout]   --> src/network/sync.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::sync::broadcast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::BufReader`
[INFO] [stdout]   --> src/network/sync.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network/sync.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_path`
[INFO] [stdout]   --> src/network/p2p.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async fn start_listener(addr: &str, key_path: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_path`
[INFO] [stdout]   --> src/network/p2p.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async fn start_listener(addr: &str, key_path: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/blockchain/block.rs:146:62
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let datetime: NaiveDateTime = chrono::NaiveDateTime::from_timestamp(self.timestamp as i64, 0);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/blockchain/block.rs:146:62
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let datetime: NaiveDateTime = chrono::NaiveDateTime::from_timestamp(self.timestamp as i64, 0);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/keygen.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, KeyPair, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]  --> src/network/sync.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_util::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/network/sync.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/network/sync.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/blockchain/block.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         index: u32,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/keygen.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, KeyPair, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]  --> src/network/sync.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_util::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/network/sync.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/network/sync.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/blockchain/block.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         index: u32,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY` is never used
[INFO] [stdout]   --> src/blockchain/block.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const DIFFICULTY: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY` is never used
[INFO] [stdout]   --> src/blockchain/block.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const DIFFICULTY: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/blockchain/block.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/blockchain/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `gen_save_kp`, `load_kp`, and `ver_sig`
[INFO] [stdout]   --> src/blockchain/block.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::keygen::{gen_save_kp, load_kp, sign_msg, ver_sig};
[INFO] [stdout]    |                     ^^^^^^^^^^^  ^^^^^^^            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::blockchain::transaction::Transaction`
[INFO] [stdout]  --> src/blockchain/validation.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::blockchain::transaction::Transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::NaiveDateTime`
[INFO] [stdout]  --> src/blockchain/validation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::NaiveDateTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]  --> src/blockchain/validation.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/blockchain/validation.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{fmt, thread};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ServerConfig`
[INFO] [stdout]  --> src/network/p2p.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quinn::{Endpoint, Connection, ServerConfig};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]  --> src/network/p2p.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/network/sync.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncBufReadExt`
[INFO] [stdout]   --> src/network/sync.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::io::AsyncBufReadExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::broadcast`
[INFO] [stdout]   --> src/network/sync.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::sync::broadcast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::BufReader`
[INFO] [stdout]   --> src/network/sync.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network/sync.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustls::ServerConfig as RustlsServerConfig`
[INFO] [stdout]  --> src/keygen.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rustls::ServerConfig as RustlsServerConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::network::{p2p, sync};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_save_kp`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use keygen::{gen_save_kp, load_kp, sign_msg, ver_sig};
[INFO] [stdout]   |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha256`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha2::{Digest, Sha256};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use anyhow::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/blockchain/block.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/blockchain/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `gen_save_kp`, `load_kp`, and `ver_sig`
[INFO] [stdout]   --> src/blockchain/block.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::keygen::{gen_save_kp, load_kp, sign_msg, ver_sig};
[INFO] [stdout]    |                     ^^^^^^^^^^^  ^^^^^^^            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::blockchain::transaction::Transaction`
[INFO] [stdout]  --> src/blockchain/validation.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::blockchain::transaction::Transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::NaiveDateTime`
[INFO] [stdout]  --> src/blockchain/validation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono::NaiveDateTime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]  --> src/blockchain/validation.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/blockchain/validation.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{fmt, thread};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ServerConfig`
[INFO] [stdout]  --> src/network/p2p.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use quinn::{Endpoint, Connection, ServerConfig};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]  --> src/network/p2p.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/network/sync.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncBufReadExt`
[INFO] [stdout]   --> src/network/sync.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::io::AsyncBufReadExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::broadcast`
[INFO] [stdout]   --> src/network/sync.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::sync::broadcast;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::BufReader`
[INFO] [stdout]   --> src/network/sync.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::io::BufReader;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/network/sync.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustls::ServerConfig as RustlsServerConfig`
[INFO] [stdout]  --> src/keygen.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rustls::ServerConfig as RustlsServerConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::network::{p2p, sync};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_save_kp`
[INFO] [stdout]  --> src/main.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use keygen::{gen_save_kp, load_kp, sign_msg, ver_sig};
[INFO] [stdout]   |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha256`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha2::{Digest, Sha256};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use anyhow::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]  --> tests/network_test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::AsyncReadExt`
[INFO] [stdout]   --> tests/network_test.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::io::AsyncReadExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_path`
[INFO] [stdout]   --> src/network/p2p.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async fn start_listener(addr: &str, key_path: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_path`
[INFO] [stdout]   --> src/network/p2p.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async fn start_listener(addr: &str, key_path: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/blockchain/block.rs:146:62
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let datetime: NaiveDateTime = chrono::NaiveDateTime::from_timestamp(self.timestamp as i64, 0);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/blockchain/block.rs:146:62
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let datetime: NaiveDateTime = chrono::NaiveDateTime::from_timestamp(self.timestamp as i64, 0);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp_opt`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/main.rs:102:39
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let end_datetime = NaiveDateTime::from_timestamp_opt(end_timestamp as i64, 0).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]  --> src/network/sync.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_util::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/network/sync.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/network/sync.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/keygen.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, KeyPair, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha2::{Digest, Sha256};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/blockchain/block.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         index: u32,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp_opt`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/main.rs:102:39
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let end_datetime = NaiveDateTime::from_timestamp_opt(end_timestamp as i64, 0).unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]  --> src/network/sync.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_util::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncReadExt`
[INFO] [stdout]  --> src/network/sync.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/network/sync.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/keygen.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, KeyPair, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sha2::{Digest, Sha256};
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/blockchain/block.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         index: u32,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY` is never used
[INFO] [stdout]   --> src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const DIFFICULTY: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY` is never used
[INFO] [stdout]   --> src/blockchain/block.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const DIFFICULTY: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update_hash` is never used
[INFO] [stdout]   --> src/blockchain/block.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Block {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn update_hash(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_node` is never used
[INFO] [stdout]   --> src/network/p2p.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub async fn start_node(bind_addr: &str) -> anyhow::Result<Endpoint> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_to_peer` is never used
[INFO] [stdout]   --> src/network/p2p.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub async fn connect_to_peer(endpoint: &Endpoint, peer_addr: &str) -> anyhow::Result<Connection> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnectionCache` is never constructed
[INFO] [stdout]   --> src/network/sync.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ConnectionCache {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `insert` are never used
[INFO] [stdout]   --> src/network/sync.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl ConnectionCache {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 36 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn get(&self, id: &str) -> Option<quinn::Connection> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn insert(&self, id: String, conn: quinn::Connection) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_sync_loop` is never used
[INFO] [stdout]   --> src/network/sync.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub async fn run_sync_loop(conn: quinn::Connection) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_save_kp` is never used
[INFO] [stdout]   --> src/keygen.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn gen_save_kp(filepath: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY` is never used
[INFO] [stdout]   --> src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const DIFFICULTY: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFICULTY` is never used
[INFO] [stdout]   --> src/blockchain/block.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const DIFFICULTY: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update_hash` is never used
[INFO] [stdout]   --> src/blockchain/block.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Block {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn update_hash(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_node` is never used
[INFO] [stdout]   --> src/network/p2p.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub async fn start_node(bind_addr: &str) -> anyhow::Result<Endpoint> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_to_peer` is never used
[INFO] [stdout]   --> src/network/p2p.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub async fn connect_to_peer(endpoint: &Endpoint, peer_addr: &str) -> anyhow::Result<Connection> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnectionCache` is never constructed
[INFO] [stdout]   --> src/network/sync.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ConnectionCache {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `insert` are never used
[INFO] [stdout]   --> src/network/sync.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl ConnectionCache {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 36 |     pub fn new(size: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn get(&self, id: &str) -> Option<quinn::Connection> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn insert(&self, id: String, conn: quinn::Connection) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_sync_loop` is never used
[INFO] [stdout]   --> src/network/sync.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub async fn run_sync_loop(conn: quinn::Connection) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_save_kp` is never used
[INFO] [stdout]   --> src/keygen.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn gen_save_kp(filepath: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network/sync.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         send.finish();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let _ = send.finish();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.37s
[INFO] running `Command { std: "docker" "inspect" "abfe2a8c871e2ca1ea9b781fa9b6ab0c7fe931afef04ad477aaad0867d1ef9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfe2a8c871e2ca1ea9b781fa9b6ab0c7fe931afef04ad477aaad0867d1ef9b7", kill_on_drop: false }`
[INFO] [stdout] abfe2a8c871e2ca1ea9b781fa9b6ab0c7fe931afef04ad477aaad0867d1ef9b7