[INFO] cloning repository https://github.com/Lukidere/api_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lukidere/api_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukidere%2Fapi_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukidere%2Fapi_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6995296353798251e3090afc88ff0305452762e2
[INFO] testing Lukidere/api_server against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukidere%2Fapi_server" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/Lukidere/api_server
[INFO] finished tweaking git repo https://github.com/Lukidere/api_server
[INFO] tweaked toml for git repo https://github.com/Lukidere/api_server written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lukidere/api_server on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lukidere/api_server 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b2fe6c92909e03d76e9f1d7387674e441011cd13ab81e763ca42d06c290960e
[INFO] running `Command { std: "docker" "start" "-a" "8b2fe6c92909e03d76e9f1d7387674e441011cd13ab81e763ca42d06c290960e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2fe6c92909e03d76e9f1d7387674e441011cd13ab81e763ca42d06c290960e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2fe6c92909e03d76e9f1d7387674e441011cd13ab81e763ca42d06c290960e", kill_on_drop: false }`
[INFO] [stdout] 8b2fe6c92909e03d76e9f1d7387674e441011cd13ab81e763ca42d06c290960e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb427b3a37711f77f8411052757f654b4bd242a9819dc71e039573eee443f573
[INFO] running `Command { std: "docker" "start" "-a" "bb427b3a37711f77f8411052757f654b4bd242a9819dc71e039573eee443f573", kill_on_drop: false }`
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[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
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[INFO] [stderr]    Compiling serde_derive v1.0.213
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
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[INFO] [stderr]    Compiling io-enum v1.1.3
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[INFO] [stderr]    Compiling tokio v1.41.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling pin-project v1.1.7
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling mysql-common-derive v0.31.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tungstenite v0.21.0
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling mysql_common v0.32.4
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling hyper v0.14.31
[INFO] [stderr]    Compiling warp v0.3.7
[INFO] [stderr]    Compiling api_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mysql::prelude::*`
[INFO] [stdout]  --> src/connection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mysql::prelude::*;
[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: `ChaChaPoly1305`
[INFO] [stdout]  --> src/structs.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chacha20poly1305::{ChaCha20Poly1305, ChaChaPoly1305, Key, Nonce};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/structs.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/structs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::TcpSocket`
[INFO] [stdout]   --> src/structs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::net::TcpSocket;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]   --> src/structs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `api_key` should have an upper camel case name
[INFO] [stdout]   --> src/structs.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct api_key {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case: `ApiKey`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `connection`
[INFO] [stdout]  --> src/user_handle.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{connection, Buf, Client};
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StringExt`
[INFO] [stdout]  --> src/user_handle.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Pass, StringExt};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AeadCore` and `OsRng`
[INFO] [stdout]  --> src/user_handle.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stdout]   |                  ^^^^^^^^                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChaChaPoly1305`
[INFO] [stdout]  --> src/user_handle.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chacha20poly1305::{ChaCha20Poly1305, ChaChaPoly1305, Key, Nonce};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::broadcast::error`
[INFO] [stdout]   --> src/user_handle.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::broadcast::error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Params`, `Value`, and `params`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mysql::{params, prelude::Queryable, Params, Value};
[INFO] [stdout]   |             ^^^^^^                      ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{sync::Arc, thread};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt`, `TcpSocket`, and `TcpStream`
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     io::{AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]    |          ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     net::{TcpListener, TcpSocket, TcpStream},
[INFO] [stdout]    |                        ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `connection`
[INFO] [stdout]  --> src/apis.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{api_key, connection, Buf, Client};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::display`
[INFO] [stdout]  --> src/apis.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use base64::display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::Shutdown`
[INFO] [stdout]  --> src/apis.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::Shutdown;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/apis.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{error::Error, fmt::format};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::stream`
[INFO] [stdout]  --> src/apis.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/user_handle.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     mut porownawcze: Client,
[INFO] [stdout]    |     ----^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/user_handle.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     mut client: tokio::net::TcpStream,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/apis.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     mut stream: TcpStream,
[INFO] [stdout]     |     ----^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/structs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AeadMut`
[INFO] [stdout]  --> src/structs.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AeadMut`
[INFO] [stdout]  --> src/user_handle.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/connection.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut conn = pool.get_conn()?;
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checked`
[INFO] [stdout]    --> src/user_handle.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let checked: String = String::from("");
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checked`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_data`
[INFO] [stdout]   --> src/apis.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     let new_data = String::from_utf8_lossy(&buf[..bytes_read])
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/user_handle.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Ok(val) => {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut connection = match connect() {
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |         for (mut klient, _) in server.accept().await {
[INFO] [stdout]    |              ----^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dane`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let dane: Arc<Mutex<Vec<Client>>> = Arc::new(Mutex::new(
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_dane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read` is never used
[INFO] [stdout]   --> src/structs.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl Pass {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn read(&mut self) -> Result<String, Box<dyn Error>> {
[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 `addr` should have an upper case name
[INFO] [stdout]   --> src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const addr: &str = "127.0.0.1:2137";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 18 - const addr: &str = "127.0.0.1:2137";
[INFO] [stdout] 18 + const ADDR: &str = "127.0.0.1:2137";
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |         for (mut klient, _) in server.accept().await {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 91 -         for (mut klient, _) in server.accept().await {
[INFO] [stdout] 91 +         while let Ok((mut klient, _)) = server.accept().await {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 91 -         for (mut klient, _) in server.accept().await {
[INFO] [stdout] 91 +         if let Ok((mut klient, _)) = server.accept().await {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |             handle(klient, connection.clone()).await;
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let _ = handle(klient, connection.clone()).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/structs.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         klient
[INFO] [stdout] 42 | |             .write(format!("Podaj wartosc ktora ma byc przypisana do klucza:{}\n", s).as_bytes())
[INFO] [stdout] 43 | |             .await;
[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] 41 |         let _ = klient
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         login(client, connection.clone(), user_data).await;
[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] 49 |                         let _ = login(client, connection.clone(), user_data).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |                         register(client, connection.clone()).await;
[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] 54 |                         let _ = register(client, connection.clone()).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 register(client, connection.clone()).await;
[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] 59 |                 let _ = register(client, connection.clone()).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         client
[INFO] [stdout] 88 | |             .write(format!("Witamy ponownie {}", porownawcze.username).as_bytes())
[INFO] [stdout] 89 | |             .await;
[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] 87 |         let _ = client
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/user_handle.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                 client
[INFO] [stdout] 120 | |                     .write_all(b"udalo sie zarejestrowac uzytkownika")
[INFO] [stdout] 121 | |                     .await;
[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] 119 |                 let _ = client
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/user_handle.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 | /                 client
[INFO] [stdout] 126 | |                     .write_all(format!("wystapil blad podczas rejestracji:{}", blad).as_bytes())
[INFO] [stdout] 127 | |                     .await;
[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] 125 |                 let _ = client
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/apis.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             stream.write_all(b"Zla opcja").await;
[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] 107 |             let _ = stream.write_all(b"Zla opcja").await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/apis.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     connection.lock().await.exec_drop(
[INFO] [stdout] 131 | |         "UPDATE klucze SET wartosc = :new_value WHERE klucz = :key",
[INFO] [stdout] 132 | |         params! {
[INFO] [stdout] 133 | |             "new_value" => new_data,
[INFO] [stdout] 134 | |             "key" => &key
[INFO] [stdout] 135 | |         },
[INFO] [stdout] 136 | |     );
[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] 130 |     let _ = connection.lock().await.exec_drop(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/apis.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | /     connection.lock().await.exec_drop(
[INFO] [stdout] 144 | |         "DELETE FROM klucz where klucz = :key",
[INFO] [stdout] 145 | |         params! {
[INFO] [stdout] 146 | |             "key" => key
[INFO] [stdout] 147 | |         },
[INFO] [stdout] 148 | |     );
[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] 143 |     let _ = connection.lock().await.exec_drop(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "bb427b3a37711f77f8411052757f654b4bd242a9819dc71e039573eee443f573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb427b3a37711f77f8411052757f654b4bd242a9819dc71e039573eee443f573", kill_on_drop: false }`
[INFO] [stdout] bb427b3a37711f77f8411052757f654b4bd242a9819dc71e039573eee443f573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3db50794ce397bee22f0186a061a4a4528af9a1e5a80707c582d5639f1e6972f
[INFO] running `Command { std: "docker" "start" "-a" "3db50794ce397bee22f0186a061a4a4528af9a1e5a80707c582d5639f1e6972f", kill_on_drop: false }`
[INFO] [stderr]    Compiling api_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mysql::prelude::*`
[INFO] [stdout]  --> src/connection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mysql::prelude::*;
[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: `ChaChaPoly1305`
[INFO] [stdout]  --> src/structs.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chacha20poly1305::{ChaCha20Poly1305, ChaChaPoly1305, Key, Nonce};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/structs.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/structs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::TcpSocket`
[INFO] [stdout]   --> src/structs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::net::TcpSocket;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]   --> src/structs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `api_key` should have an upper camel case name
[INFO] [stdout]   --> src/structs.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct api_key {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case: `ApiKey`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `connection`
[INFO] [stdout]  --> src/user_handle.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{connection, Buf, Client};
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StringExt`
[INFO] [stdout]  --> src/user_handle.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Pass, StringExt};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AeadCore` and `OsRng`
[INFO] [stdout]  --> src/user_handle.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stdout]   |                  ^^^^^^^^                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChaChaPoly1305`
[INFO] [stdout]  --> src/user_handle.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chacha20poly1305::{ChaCha20Poly1305, ChaChaPoly1305, Key, Nonce};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::broadcast::error`
[INFO] [stdout]   --> src/user_handle.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::broadcast::error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Params`, `Value`, and `params`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use mysql::{params, prelude::Queryable, Params, Value};
[INFO] [stdout]   |             ^^^^^^                      ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{sync::Arc, thread};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt`, `TcpSocket`, and `TcpStream`
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     io::{AsyncReadExt, AsyncWriteExt},
[INFO] [stdout]    |          ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     net::{TcpListener, TcpSocket, TcpStream},
[INFO] [stdout]    |                        ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `connection`
[INFO] [stdout]  --> src/apis.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{api_key, connection, Buf, Client};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `base64::display`
[INFO] [stdout]  --> src/apis.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use base64::display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::Shutdown`
[INFO] [stdout]  --> src/apis.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::Shutdown;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/apis.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{error::Error, fmt::format};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::stream`
[INFO] [stdout]  --> src/apis.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tokio::stream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/user_handle.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     mut porownawcze: Client,
[INFO] [stdout]    |     ----^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/user_handle.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     mut client: tokio::net::TcpStream,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/apis.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     mut stream: TcpStream,
[INFO] [stdout]     |     ----^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/structs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AeadMut`
[INFO] [stdout]  --> src/structs.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AeadMut`
[INFO] [stdout]  --> src/user_handle.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/connection.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut conn = pool.get_conn()?;
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checked`
[INFO] [stdout]    --> src/user_handle.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let checked: String = String::from("");
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checked`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_data`
[INFO] [stdout]   --> src/apis.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     let new_data = String::from_utf8_lossy(&buf[..bytes_read])
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/user_handle.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |             Ok(val) => {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut connection = match connect() {
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:14
[INFO] [stdout]    |
[INFO] [stdout] 91 |         for (mut klient, _) in server.accept().await {
[INFO] [stdout]    |              ----^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dane`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let dane: Arc<Mutex<Vec<Client>>> = Arc::new(Mutex::new(
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_dane`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read` is never used
[INFO] [stdout]   --> src/structs.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl Pass {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn read(&mut self) -> Result<String, Box<dyn Error>> {
[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 `addr` should have an upper case name
[INFO] [stdout]   --> src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const addr: &str = "127.0.0.1:2137";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 18 - const addr: &str = "127.0.0.1:2137";
[INFO] [stdout] 18 + const ADDR: &str = "127.0.0.1:2137";
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 |         for (mut klient, _) in server.accept().await {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 91 -         for (mut klient, _) in server.accept().await {
[INFO] [stdout] 91 +         while let Ok((mut klient, _)) = server.accept().await {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 91 -         for (mut klient, _) in server.accept().await {
[INFO] [stdout] 91 +         if let Ok((mut klient, _)) = server.accept().await {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |             handle(klient, connection.clone()).await;
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let _ = handle(klient, connection.clone()).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/structs.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         klient
[INFO] [stdout] 42 | |             .write(format!("Podaj wartosc ktora ma byc przypisana do klucza:{}\n", s).as_bytes())
[INFO] [stdout] 43 | |             .await;
[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] 41 |         let _ = klient
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         login(client, connection.clone(), user_data).await;
[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] 49 |                         let _ = login(client, connection.clone(), user_data).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |                         register(client, connection.clone()).await;
[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] 54 |                         let _ = register(client, connection.clone()).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 register(client, connection.clone()).await;
[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] 59 |                 let _ = register(client, connection.clone()).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/user_handle.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         client
[INFO] [stdout] 88 | |             .write(format!("Witamy ponownie {}", porownawcze.username).as_bytes())
[INFO] [stdout] 89 | |             .await;
[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] 87 |         let _ = client
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/user_handle.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                 client
[INFO] [stdout] 120 | |                     .write_all(b"udalo sie zarejestrowac uzytkownika")
[INFO] [stdout] 121 | |                     .await;
[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] 119 |                 let _ = client
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/user_handle.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 | /                 client
[INFO] [stdout] 126 | |                     .write_all(format!("wystapil blad podczas rejestracji:{}", blad).as_bytes())
[INFO] [stdout] 127 | |                     .await;
[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] 125 |                 let _ = client
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/apis.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |             stream.write_all(b"Zla opcja").await;
[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] 107 |             let _ = stream.write_all(b"Zla opcja").await;
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/apis.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     connection.lock().await.exec_drop(
[INFO] [stdout] 131 | |         "UPDATE klucze SET wartosc = :new_value WHERE klucz = :key",
[INFO] [stdout] 132 | |         params! {
[INFO] [stdout] 133 | |             "new_value" => new_data,
[INFO] [stdout] 134 | |             "key" => &key
[INFO] [stdout] 135 | |         },
[INFO] [stdout] 136 | |     );
[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] 130 |     let _ = connection.lock().await.exec_drop(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/apis.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | /     connection.lock().await.exec_drop(
[INFO] [stdout] 144 | |         "DELETE FROM klucz where klucz = :key",
[INFO] [stdout] 145 | |         params! {
[INFO] [stdout] 146 | |             "key" => key
[INFO] [stdout] 147 | |         },
[INFO] [stdout] 148 | |     );
[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] 143 |     let _ = connection.lock().await.exec_drop(
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "3db50794ce397bee22f0186a061a4a4528af9a1e5a80707c582d5639f1e6972f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db50794ce397bee22f0186a061a4a4528af9a1e5a80707c582d5639f1e6972f", kill_on_drop: false }`
[INFO] [stdout] 3db50794ce397bee22f0186a061a4a4528af9a1e5a80707c582d5639f1e6972f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56529678b68d0a3c7e6c4b3b4e63b8821c319f97504d6da5e36d34ab0489b492
[INFO] running `Command { std: "docker" "start" "-a" "56529678b68d0a3c7e6c4b3b4e63b8821c319f97504d6da5e36d34ab0489b492", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `mysql::prelude::*`
[INFO] [stderr]  --> src/connection.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use mysql::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ChaChaPoly1305`
[INFO] [stderr]  --> src/structs.rs:3:42
[INFO] [stderr]   |
[INFO] [stderr] 3 | use chacha20poly1305::{ChaCha20Poly1305, ChaChaPoly1305, Key, Nonce};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/structs.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/structs.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::net::TcpSocket`
[INFO] [stderr]   --> src/structs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tokio::net::TcpSocket;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::Mutex`
[INFO] [stderr]   --> src/structs.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use tokio::sync::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `api_key` should have an upper camel case name
[INFO] [stderr]   --> src/structs.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct api_key {
[INFO] [stderr]    |            ^^^^^^^ help: convert the identifier to upper camel case: `ApiKey`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `connection`
[INFO] [stderr]  --> src/user_handle.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::{connection, Buf, Client};
[INFO] [stderr]   |             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StringExt`
[INFO] [stderr]  --> src/user_handle.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{Pass, StringExt};
[INFO] [stderr]   |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AeadCore` and `OsRng`
[INFO] [stderr]  --> src/user_handle.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stderr]   |                  ^^^^^^^^                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ChaChaPoly1305`
[INFO] [stderr]  --> src/user_handle.rs:5:42
[INFO] [stderr]   |
[INFO] [stderr] 5 | use chacha20poly1305::{ChaCha20Poly1305, ChaChaPoly1305, Key, Nonce};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::broadcast::error`
[INFO] [stderr]   --> src/user_handle.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio::sync::broadcast::error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Params`, `Value`, and `params`
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mysql::{params, prelude::Queryable, Params, Value};
[INFO] [stderr]   |             ^^^^^^                      ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]  --> src/main.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{sync::Arc, thread};
[INFO] [stderr]   |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt`, `TcpSocket`, and `TcpStream`
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |     io::{AsyncReadExt, AsyncWriteExt},
[INFO] [stderr]    |          ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 13 |     net::{TcpListener, TcpSocket, TcpStream},
[INFO] [stderr]    |                        ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `connection`
[INFO] [stderr]  --> src/apis.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{api_key, connection, Buf, Client};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `base64::display`
[INFO] [stderr]  --> src/apis.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use base64::display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::Shutdown`
[INFO] [stderr]  --> src/apis.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::net::Shutdown;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fmt::format`
[INFO] [stderr]  --> src/apis.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{error::Error, fmt::format};
[INFO] [stderr]   |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::stream`
[INFO] [stderr]  --> src/apis.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::stream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/user_handle.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     mut porownawcze: Client,
[INFO] [stderr]    |     ----^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/user_handle.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     mut client: tokio::net::TcpStream,
[INFO] [stderr]    |     ----^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/apis.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     mut stream: TcpStream,
[INFO] [stderr]     |     ----^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude`
[INFO] [stderr]  --> src/structs.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AeadMut`
[INFO] [stderr]  --> src/structs.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AeadMut`
[INFO] [stderr]  --> src/user_handle.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use aead::{Aead, AeadCore, AeadMut, KeyInit, OsRng};
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/connection.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut conn = pool.get_conn()?;
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checked`
[INFO] [stderr]    --> src/user_handle.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let checked: String = String::from("");
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checked`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_data`
[INFO] [stderr]   --> src/apis.rs:93:25
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     let new_data = String::from_utf8_lossy(&buf[..bytes_read])
[INFO] [stderr]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/user_handle.rs:118:16
[INFO] [stderr]     |
[INFO] [stderr] 118 |             Ok(val) => {
[INFO] [stderr]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut connection = match connect() {
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |         for (mut klient, _) in server.accept().await {
[INFO] [stderr]    |              ----^^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dane`
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let dane: Arc<Mutex<Vec<Client>>> = Arc::new(Mutex::new(
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_dane`
[INFO] [stderr] 
[INFO] [stderr] warning: method `read` is never used
[INFO] [stderr]   --> src/structs.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 67 | impl Pass {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn read(&mut self) -> Result<String, Box<dyn Error>> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `addr` should have an upper case name
[INFO] [stderr]   --> src/main.rs:18:7
[INFO] [stderr]    |
[INFO] [stderr] 18 | const addr: &str = "127.0.0.1:2137";
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 18 - const addr: &str = "127.0.0.1:2137";
[INFO] [stderr] 18 + const ADDR: &str = "127.0.0.1:2137";
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/main.rs:91:32
[INFO] [stderr]    |
[INFO] [stderr] 91 |         for (mut klient, _) in server.accept().await {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]    |
[INFO] [stderr] 91 -         for (mut klient, _) in server.accept().await {
[INFO] [stderr] 91 +         while let Ok((mut klient, _)) = server.accept().await {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 91 -         for (mut klient, _) in server.accept().await {
[INFO] [stderr] 91 +         if let Ok((mut klient, _)) = server.accept().await {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |             handle(klient, connection.clone()).await;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 92 |             let _ = handle(klient, connection.clone()).await;
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/structs.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | /         klient
[INFO] [stderr] 42 | |             .write(format!("Podaj wartosc ktora ma byc przypisana do klucza:{}\n", s).as_bytes())
[INFO] [stderr] 43 | |             .await;
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let _ = klient
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/user_handle.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |                         login(client, connection.clone(), user_data).await;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 49 |                         let _ = login(client, connection.clone(), user_data).await;
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/user_handle.rs:54:25
[INFO] [stderr]    |
[INFO] [stderr] 54 |                         register(client, connection.clone()).await;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 54 |                         let _ = register(client, connection.clone()).await;
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/user_handle.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 register(client, connection.clone()).await;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 let _ = register(client, connection.clone()).await;
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/user_handle.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 | /         client
[INFO] [stderr] 88 | |             .write(format!("Witamy ponownie {}", porownawcze.username).as_bytes())
[INFO] [stderr] 89 | |             .await;
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let _ = client
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/user_handle.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 | /                 client
[INFO] [stderr] 120 | |                     .write_all(b"udalo sie zarejestrowac uzytkownika")
[INFO] [stderr] 121 | |                     .await;
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let _ = client
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/user_handle.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 | /                 client
[INFO] [stderr] 126 | |                     .write_all(format!("wystapil blad podczas rejestracji:{}", blad).as_bytes())
[INFO] [stderr] 127 | |                     .await;
[INFO] [stderr]     | |__________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 let _ = client
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/apis.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |             stream.write_all(b"Zla opcja").await;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let _ = stream.write_all(b"Zla opcja").await;
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/apis.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 | /     connection.lock().await.exec_drop(
[INFO] [stderr] 131 | |         "UPDATE klucze SET wartosc = :new_value WHERE klucz = :key",
[INFO] [stderr] 132 | |         params! {
[INFO] [stderr] 133 | |             "new_value" => new_data,
[INFO] [stderr] 134 | |             "key" => &key
[INFO] [stderr] 135 | |         },
[INFO] [stderr] 136 | |     );
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let _ = connection.lock().await.exec_drop(
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/apis.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 | /     connection.lock().await.exec_drop(
[INFO] [stderr] 144 | |         "DELETE FROM klucz where klucz = :key",
[INFO] [stderr] 145 | |         params! {
[INFO] [stderr] 146 | |             "key" => key
[INFO] [stderr] 147 | |         },
[INFO] [stderr] 148 | |     );
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 143 |     let _ = connection.lock().await.exec_drop(
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `api_server` (bin "api_server" test) generated 47 warnings (run `cargo fix --bin "api_server" -p api_server --tests` to apply 30 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/api_server-6908f329df1e6982)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56529678b68d0a3c7e6c4b3b4e63b8821c319f97504d6da5e36d34ab0489b492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56529678b68d0a3c7e6c4b3b4e63b8821c319f97504d6da5e36d34ab0489b492", kill_on_drop: false }`
[INFO] [stdout] 56529678b68d0a3c7e6c4b3b4e63b8821c319f97504d6da5e36d34ab0489b492
