[INFO] cloning repository https://github.com/srikarrao123/btcclient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/srikarrao123/btcclient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrikarrao123%2Fbtcclient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrikarrao123%2Fbtcclient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7772b05bd2f8ec3942d47297d853acf8a65ce16f
[INFO] checking srikarrao123/btcclient against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrikarrao123%2Fbtcclient" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/srikarrao123/btcclient
[INFO] finished tweaking git repo https://github.com/srikarrao123/btcclient
[INFO] tweaked toml for git repo https://github.com/srikarrao123/btcclient written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/srikarrao123/btcclient on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/srikarrao123/btcclient 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded padme-padding v0.1.1
[INFO] [stderr]   Downloaded args v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdcb756740e544c9507f99955d8b98570f62c035439836f469003b3548437987
[INFO] running `Command { std: "docker" "start" "-a" "cdcb756740e544c9507f99955d8b98570f62c035439836f469003b3548437987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdcb756740e544c9507f99955d8b98570f62c035439836f469003b3548437987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcb756740e544c9507f99955d8b98570f62c035439836f469003b3548437987", kill_on_drop: false }`
[INFO] [stdout] cdcb756740e544c9507f99955d8b98570f62c035439836f469003b3548437987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84145dc77f71d742ee098e42f95836a4934b79f320cc59f70296cc0db8f16730
[INFO] running `Command { std: "docker" "start" "-a" "84145dc77f71d742ee098e42f95836a4934b79f320cc59f70296cc0db8f16730", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking args v2.2.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking padme-padding v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking pkcs1 v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking clap v4.5.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking tungstenite v0.24.0
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.17.2
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking rsa v0.7.2
[INFO] [stderr]     Checking btcclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `builder::Str`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{builder::Str, Parser};
[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: `core::hash`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::stream::SelectNextSome`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_util::stream::SelectNextSome;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HmacCore` and `Hmac`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hmac::{Hmac, HmacCore, Mac};
[INFO] [stdout]   |            ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::cast::ToPrimitive`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use num_traits::cast::ToPrimitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `distributions::Alphanumeric`
[INFO] [stdout]   --> src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::{distributions::Alphanumeric, Rng};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::agreement::PublicKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HMAC_SHA256` and `sign`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use ring::hmac::{sign, HMAC_SHA256};
[INFO] [stdout]    |                  ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PublicKeyParts`, `pkcs1::pem::encode`, and `pkcs8::PrivateKeyInfo`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pkcs1::pem::encode, pkcs8::PrivateKeyInfo, PaddingScheme, PublicKeyParts, RsaPrivateKey,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::value`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde::{de::value, Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char`, `clone`, `path::Prefix`, `self`, `self`, `sleep`, `spawn`, and `sync`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     char, clone,
[INFO] [stdout]    |     ^^^^  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     io::{self, prelude::*, BufReader, BufWriter, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 28 |     path::Prefix,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     sync,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     thread::{self, sleep, spawn},
[INFO] [stdout]    |              ^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MaybeTlsStream` and `WebSocketStream`
[INFO] [stdout]   --> src/main.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 | use tokio_tungstenite::{connect_async, MaybeTlsStream, WebSocketStream};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WebSocket`, `accept`, `connect`, and `stream`
[INFO] [stdout]   --> src/main.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | use tungstenite::{accept, connect, stream, WebSocket};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::mpsc` and `time`
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     sync::mpsc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 43 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builder::Str`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{builder::Str, Parser};
[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: `core::hash`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::stream::SelectNextSome`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_util::stream::SelectNextSome;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HmacCore` and `Hmac`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hmac::{Hmac, HmacCore, Mac};
[INFO] [stdout]   |            ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::cast::ToPrimitive`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use num_traits::cast::ToPrimitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `distributions::Alphanumeric`
[INFO] [stdout]   --> src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::{distributions::Alphanumeric, Rng};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ring::agreement::PublicKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HMAC_SHA256` and `sign`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use ring::hmac::{sign, HMAC_SHA256};
[INFO] [stdout]    |                  ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PublicKeyParts`, `pkcs1::pem::encode`, and `pkcs8::PrivateKeyInfo`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pkcs1::pem::encode, pkcs8::PrivateKeyInfo, PaddingScheme, PublicKeyParts, RsaPrivateKey,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::value`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde::{de::value, Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char`, `clone`, `path::Prefix`, `self`, `self`, `sleep`, `spawn`, and `sync`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     char, clone,
[INFO] [stdout]    |     ^^^^  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     io::{self, prelude::*, BufReader, BufWriter, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 28 |     path::Prefix,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     sync,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     thread::{self, sleep, spawn},
[INFO] [stdout]    |              ^^^^  ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MaybeTlsStream` and `WebSocketStream`
[INFO] [stdout]   --> src/main.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 | use tokio_tungstenite::{connect_async, MaybeTlsStream, WebSocketStream};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WebSocket`, `accept`, `connect`, and `stream`
[INFO] [stdout]   --> src/main.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 | use tungstenite::{accept, connect, stream, WebSocket};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::mpsc` and `time`
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     sync::mpsc,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 43 |     time,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mac`
[INFO] [stdout]  --> src/main.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hmac::{Hmac, HmacCore, Mac};
[INFO] [stdout]   |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hasher`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     hash::Hasher,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]   --> src/main.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     io::{self, prelude::*, BufReader, BufWriter, Write},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/main.rs:27:50
[INFO] [stdout]    |
[INFO] [stdout] 27 |     io::{self, prelude::*, BufReader, BufWriter, Write},
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mac`
[INFO] [stdout]  --> src/main.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hmac::{Hmac, HmacCore, Mac};
[INFO] [stdout]   |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hasher`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     hash::Hasher,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]   --> src/main.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     io::{self, prelude::*, BufReader, BufWriter, Write},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/main.rs:27:50
[INFO] [stdout]    |
[INFO] [stdout] 27 |     io::{self, prelude::*, BufReader, BufWriter, Write},
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLIENT_COUNT` is never used
[INFO] [stdout]   --> src/main.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const CLIENT_COUNT: usize = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLIENT_COUNT` is never used
[INFO] [stdout]   --> src/main.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const CLIENT_COUNT: usize = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.35s
[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 4`
[INFO] running `Command { std: "docker" "inspect" "84145dc77f71d742ee098e42f95836a4934b79f320cc59f70296cc0db8f16730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84145dc77f71d742ee098e42f95836a4934b79f320cc59f70296cc0db8f16730", kill_on_drop: false }`
[INFO] [stdout] 84145dc77f71d742ee098e42f95836a4934b79f320cc59f70296cc0db8f16730
