[INFO] fetching crate remote_shell 2.0.0...
[INFO] testing remote_shell-2.0.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate remote_shell 2.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate remote_shell 2.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remote_shell 2.0.0
[INFO] finished tweaking crates.io crate remote_shell 2.0.0
[INFO] tweaked toml for crates.io crate remote_shell 2.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate remote_shell 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2930f079c7babf879c5a4b9457355786b1287736ffa98ce606e8043f71289340
[INFO] running `Command { std: "docker" "start" "-a" "2930f079c7babf879c5a4b9457355786b1287736ffa98ce606e8043f71289340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2930f079c7babf879c5a4b9457355786b1287736ffa98ce606e8043f71289340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2930f079c7babf879c5a4b9457355786b1287736ffa98ce606e8043f71289340", kill_on_drop: false }`
[INFO] [stdout] 2930f079c7babf879c5a4b9457355786b1287736ffa98ce606e8043f71289340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b23ce068fbab6005d6f7dd5f60a7f03e30b27636763f4acac701ca23349b7c2f
[INFO] running `Command { std: "docker" "start" "-a" "b23ce068fbab6005d6f7dd5f60a7f03e30b27636763f4acac701ca23349b7c2f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling udp_hole_punching v2.0.8
[INFO] [stderr]    Compiling remote_shell v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdout`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChildStderr`, `ChildStdout`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Command, Stdio, ChildStdout, ChildStderr};
[INFO] [stdout]   |                                    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{Instant, Duration};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/slave/rec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::*`
[INFO] [stdout]  --> src/common/order.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/common/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_to_string`
[INFO] [stdout]  --> src/common/utils.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read_to_string, File};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/common/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::order::Order`
[INFO] [stdout]  --> src/common/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::order::Order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/common/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/common/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/common/cmd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/common/cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/host/cmd_process.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/host/cmd_process.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/host/cmd_process.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::shell::show`
[INFO] [stdout]  --> src/host/cmd_process.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::shell::show;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/host/cmd_process.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `stdin`, `time::Duration`
[INFO] [stdout]  --> src/host/shell.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdin, Write, stdout},
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 3 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `execute`, `self`, `self`
[INFO] [stdout]  --> src/host/shell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     execute, queue, cursor, terminal, Result,
[INFO] [stdout]   |     ^^^^^^^                           ^^^^^^
[INFO] [stdout] 7 |     event::{self, KeyEvent, read, Event, KeyCode},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 8 |     terminal::{disable_raw_mode, enable_raw_mode, ClearType},
[INFO] [stdout] 9 |     style::{self, Colorize, Styler},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/host/shell_process.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/host/shell_process.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `cursor`, `execute`, `queue`, `self`, `terminal`
[INFO] [stdout]   --> src/host/shell_process.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     execute, queue,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^
[INFO] [stdout] 11 |     style::{self, Colorize}, cursor, terminal, Result,
[INFO] [stdout]    |             ^^^^             ^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/slave/rec.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let old = env::current_dir().unwrap();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/host/shell.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let res = cmd.parse(&line);
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slave/stream_cmd.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn read_out<T: std::io::Read>(mut t: T) -> String {
[INFO] [stdout]    |                               ----^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/host/shell_process.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut input = input.replace("\r", "");
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     start.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     finish.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/stream_cmd.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             back.send(peer);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         show_cmd_res();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | /                 queue!(stdout,
[INFO] [stdout] 56 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 57 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 | /                 queue!(stdout,
[INFO] [stdout] 67 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 68 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | /                 queue!(stdout,
[INFO] [stdout] 78 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 79 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 | /             queue!(stdout,
[INFO] [stdout] 88 | |                     cursor::MoveLeft(1),
[INFO] [stdout] 89 | |                     terminal::Clear(ClearType::UntilNewLine),
[INFO] [stdout] 90 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 | /             queue!(stdout,
[INFO] [stdout] 96 | |                     terminal::Clear(ClearType::All),
[INFO] [stdout] 97 | |                     cursor::MoveTo(0,0));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/host/shell.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     disable_raw_mode();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdout`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChildStderr`, `ChildStdout`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Command, Stdio, ChildStdout, ChildStderr};
[INFO] [stdout]   |                                    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{Instant, Duration};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/slave/rec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::*`
[INFO] [stdout]  --> src/common/order.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/common/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_to_string`
[INFO] [stdout]  --> src/common/utils.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read_to_string, File};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/common/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::order::Order`
[INFO] [stdout]  --> src/common/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::order::Order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/common/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/common/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/common/cmd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/common/cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/host/cmd_process.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/host/cmd_process.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/host/cmd_process.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::shell::show`
[INFO] [stdout]  --> src/host/cmd_process.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::shell::show;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/host/cmd_process.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `stdin`, `time::Duration`
[INFO] [stdout]  --> src/host/shell.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdin, Write, stdout},
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 3 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `execute`, `self`, `self`
[INFO] [stdout]  --> src/host/shell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     execute, queue, cursor, terminal, Result,
[INFO] [stdout]   |     ^^^^^^^                           ^^^^^^
[INFO] [stdout] 7 |     event::{self, KeyEvent, read, Event, KeyCode},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 8 |     terminal::{disable_raw_mode, enable_raw_mode, ClearType},
[INFO] [stdout] 9 |     style::{self, Colorize, Styler},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/host/shell_process.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/host/shell_process.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `cursor`, `execute`, `queue`, `self`, `terminal`
[INFO] [stdout]   --> src/host/shell_process.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     execute, queue,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^
[INFO] [stdout] 11 |     style::{self, Colorize}, cursor, terminal, Result,
[INFO] [stdout]    |             ^^^^             ^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common::cmd::Cmd`
[INFO] [stdout]   --> src/bin.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use common::cmd::Cmd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/slave/rec.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let old = env::current_dir().unwrap();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/host/shell.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let res = cmd.parse(&line);
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slave/stream_cmd.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn read_out<T: std::io::Read>(mut t: T) -> String {
[INFO] [stdout]    |                               ----^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/host/shell_process.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut input = input.replace("\r", "");
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     start.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     finish.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/stream_cmd.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             back.send(peer);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         show_cmd_res();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | /                 queue!(stdout,
[INFO] [stdout] 56 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 57 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 | /                 queue!(stdout,
[INFO] [stdout] 67 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 68 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | /                 queue!(stdout,
[INFO] [stdout] 78 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 79 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 | /             queue!(stdout,
[INFO] [stdout] 88 | |                     cursor::MoveLeft(1),
[INFO] [stdout] 89 | |                     terminal::Clear(ClearType::UntilNewLine),
[INFO] [stdout] 90 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 | /             queue!(stdout,
[INFO] [stdout] 96 | |                     terminal::Clear(ClearType::All),
[INFO] [stdout] 97 | |                     cursor::MoveTo(0,0));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/host/shell.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     disable_raw_mode();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.37s
[INFO] running `Command { std: "docker" "inspect" "b23ce068fbab6005d6f7dd5f60a7f03e30b27636763f4acac701ca23349b7c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23ce068fbab6005d6f7dd5f60a7f03e30b27636763f4acac701ca23349b7c2f", kill_on_drop: false }`
[INFO] [stdout] b23ce068fbab6005d6f7dd5f60a7f03e30b27636763f4acac701ca23349b7c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 455dd06a178fcfbd4aebfbec140810cba7625c464cb79c556060dab791b8b5aa
[INFO] running `Command { std: "docker" "start" "-a" "455dd06a178fcfbd4aebfbec140810cba7625c464cb79c556060dab791b8b5aa", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdout`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChildStderr`, `ChildStdout`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Command, Stdio, ChildStdout, ChildStderr};
[INFO] [stdout]   |                                    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{Instant, Duration};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/slave/rec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::*`
[INFO] [stdout]  --> src/common/order.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/common/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_to_string`
[INFO] [stdout]  --> src/common/utils.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read_to_string, File};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/common/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::order::Order`
[INFO] [stdout]  --> src/common/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::order::Order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/common/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/common/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/common/cmd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/common/cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/host/cmd_process.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/host/cmd_process.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/host/cmd_process.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::shell::show`
[INFO] [stdout]  --> src/host/cmd_process.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::shell::show;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/host/cmd_process.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `stdin`, `time::Duration`
[INFO] [stdout]  --> src/host/shell.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdin, Write, stdout},
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 3 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `execute`, `self`, `self`
[INFO] [stdout]  --> src/host/shell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     execute, queue, cursor, terminal, Result,
[INFO] [stdout]   |     ^^^^^^^                           ^^^^^^
[INFO] [stdout] 7 |     event::{self, KeyEvent, read, Event, KeyCode},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 8 |     terminal::{disable_raw_mode, enable_raw_mode, ClearType},
[INFO] [stdout] 9 |     style::{self, Colorize, Styler},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/host/shell_process.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/host/shell_process.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `cursor`, `execute`, `queue`, `self`, `terminal`
[INFO] [stdout]   --> src/host/shell_process.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     execute, queue,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^
[INFO] [stdout] 11 |     style::{self, Colorize}, cursor, terminal, Result,
[INFO] [stdout]    |             ^^^^             ^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/slave/rec.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let old = env::current_dir().unwrap();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/host/shell.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let res = cmd.parse(&line);
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slave/stream_cmd.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn read_out<T: std::io::Read>(mut t: T) -> String {
[INFO] [stdout]    |                               ----^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/host/shell_process.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut input = input.replace("\r", "");
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     start.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     finish.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/stream_cmd.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             back.send(peer);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         show_cmd_res();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | /                 queue!(stdout,
[INFO] [stdout] 56 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 57 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 | /                 queue!(stdout,
[INFO] [stdout] 67 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 68 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | /                 queue!(stdout,
[INFO] [stdout] 78 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 79 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 | /             queue!(stdout,
[INFO] [stdout] 88 | |                     cursor::MoveLeft(1),
[INFO] [stdout] 89 | |                     terminal::Clear(ClearType::UntilNewLine),
[INFO] [stdout] 90 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 | /             queue!(stdout,
[INFO] [stdout] 96 | |                     terminal::Clear(ClearType::All),
[INFO] [stdout] 97 | |                     cursor::MoveTo(0,0));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling remote_shell v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/host/shell.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     disable_raw_mode();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdout`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChildStderr`, `ChildStdout`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Command, Stdio, ChildStdout, ChildStderr};
[INFO] [stdout]   |                                    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{Instant, Duration};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/slave/rec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::*`
[INFO] [stdout]  --> src/common/order.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/common/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_to_string`
[INFO] [stdout]  --> src/common/utils.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read_to_string, File};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/common/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::order::Order`
[INFO] [stdout]  --> src/common/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::order::Order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/common/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/common/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/common/cmd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/common/cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/host/cmd_process.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/host/cmd_process.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/host/cmd_process.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::shell::show`
[INFO] [stdout]  --> src/host/cmd_process.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::shell::show;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/host/cmd_process.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `stdin`, `time::Duration`
[INFO] [stdout]  --> src/host/shell.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdin, Write, stdout},
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 3 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `execute`, `self`, `self`
[INFO] [stdout]  --> src/host/shell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     execute, queue, cursor, terminal, Result,
[INFO] [stdout]   |     ^^^^^^^                           ^^^^^^
[INFO] [stdout] 7 |     event::{self, KeyEvent, read, Event, KeyCode},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 8 |     terminal::{disable_raw_mode, enable_raw_mode, ClearType},
[INFO] [stdout] 9 |     style::{self, Colorize, Styler},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/host/shell_process.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/host/shell_process.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `cursor`, `execute`, `queue`, `self`, `terminal`
[INFO] [stdout]   --> src/host/shell_process.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     execute, queue,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^
[INFO] [stdout] 11 |     style::{self, Colorize}, cursor, terminal, Result,
[INFO] [stdout]    |             ^^^^             ^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdout`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::utils::*`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stdout]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/slave/slave_entrance.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChildStderr`, `ChildStdout`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::{Command, Stdio, ChildStdout, ChildStderr};
[INFO] [stdout]   |                                    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{Instant, Duration};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/slave/rec.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::*`
[INFO] [stdout]  --> src/common/order.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/common/utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_to_string`
[INFO] [stdout]  --> src/common/utils.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read_to_string, File};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/common/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::order::Order`
[INFO] [stdout]  --> src/common/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::order::Order;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/common/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/common/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/common/cmd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/common/cmd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common::order::*`
[INFO] [stdout]  --> src/host/cmd_process.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::order::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/host/cmd_process.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/host/cmd_process.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::shell::show`
[INFO] [stdout]  --> src/host/cmd_process.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::shell::show;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]   --> src/host/cmd_process.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::SocketAddr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `stdin`, `time::Duration`
[INFO] [stdout]  --> src/host/shell.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdin, Write, stdout},
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 3 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `execute`, `self`, `self`
[INFO] [stdout]  --> src/host/shell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     execute, queue, cursor, terminal, Result,
[INFO] [stdout]   |     ^^^^^^^                           ^^^^^^
[INFO] [stdout] 7 |     event::{self, KeyEvent, read, Event, KeyCode},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 8 |     terminal::{disable_raw_mode, enable_raw_mode, ClearType},
[INFO] [stdout] 9 |     style::{self, Colorize, Styler},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/host/shell_process.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `udp_hole_punching as hole`
[INFO] [stdout]  --> src/host/shell_process.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use udp_hole_punching as hole;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `cursor`, `execute`, `queue`, `self`, `terminal`
[INFO] [stdout]   --> src/host/shell_process.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     execute, queue,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^
[INFO] [stdout] 11 |     style::{self, Colorize}, cursor, terminal, Result,
[INFO] [stdout]    |             ^^^^             ^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common::cmd::Cmd`
[INFO] [stdout]   --> src/bin.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use common::cmd::Cmd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/slave/rec.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let old = env::current_dir().unwrap();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/host/shell.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let res = cmd.parse(&line);
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slave/stream_cmd.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn read_out<T: std::io::Read>(mut t: T) -> String {
[INFO] [stdout]    |                               ----^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/slave/stream_cmd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/slave_entrance.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/slave/stream_cmd.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old`
[INFO] [stdout]   --> src/slave/rec.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let old = env::current_dir().unwrap();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/host/shell.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let res = cmd.parse(&line);
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slave/stream_cmd.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn read_out<T: std::io::Read>(mut t: T) -> String {
[INFO] [stdout]    |                               ----^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/host/shell_process.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut input = input.replace("\r", "");
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     start.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     finish.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/stream_cmd.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             back.send(peer);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         show_cmd_res();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | /                 queue!(stdout,
[INFO] [stdout] 56 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 57 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 | /                 queue!(stdout,
[INFO] [stdout] 67 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 68 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | /                 queue!(stdout,
[INFO] [stdout] 78 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 79 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 | /             queue!(stdout,
[INFO] [stdout] 88 | |                     cursor::MoveLeft(1),
[INFO] [stdout] 89 | |                     terminal::Clear(ClearType::UntilNewLine),
[INFO] [stdout] 90 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 | /             queue!(stdout,
[INFO] [stdout] 96 | |                     terminal::Clear(ClearType::All),
[INFO] [stdout] 97 | |                     cursor::MoveTo(0,0));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/host/shell.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     disable_raw_mode();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/host/shell_process.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut input = input.replace("\r", "");
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     start.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/slave_entrance.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     finish.send(peer);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/slave/stream_cmd.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             back.send(peer);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/cmd_process.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         order.send(peer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         show_cmd_res();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 | /                 queue!(stdout,
[INFO] [stdout] 56 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 57 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 | /                 queue!(stdout,
[INFO] [stdout] 67 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 68 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 | /                 queue!(stdout,
[INFO] [stdout] 78 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stdout] 79 | |                     cursor::MoveLeft(999));
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 | /             queue!(stdout,
[INFO] [stdout] 88 | |                     cursor::MoveLeft(1),
[INFO] [stdout] 89 | |                     terminal::Clear(ClearType::UntilNewLine),
[INFO] [stdout] 90 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/host/shell.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 | /             queue!(stdout,
[INFO] [stdout] 96 | |                     terminal::Clear(ClearType::All),
[INFO] [stdout] 97 | |                     cursor::MoveTo(0,0));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/host/shell.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     disable_raw_mode();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "455dd06a178fcfbd4aebfbec140810cba7625c464cb79c556060dab791b8b5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455dd06a178fcfbd4aebfbec140810cba7625c464cb79c556060dab791b8b5aa", kill_on_drop: false }`
[INFO] [stdout] 455dd06a178fcfbd4aebfbec140810cba7625c464cb79c556060dab791b8b5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b8904895d0e6d86228c846bbb921a33081a4e371cb6abc36dc99807fff69519
[INFO] running `Command { std: "docker" "start" "-a" "0b8904895d0e6d86228c846bbb921a33081a4e371cb6abc36dc99807fff69519", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::common::utils::*`
[INFO] [stderr]  --> src/slave/slave_entrance.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::common::utils::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/slave/slave_entrance.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::stdout`
[INFO] [stderr]  --> src/slave/slave_entrance.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::stdout;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::common::utils::*`
[INFO] [stderr]  --> src/slave/slave_entrance.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::common::utils::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`
[INFO] [stderr]  --> src/slave/slave_entrance.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::mpsc::{Sender, Receiver};
[INFO] [stderr]   |                       ^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> src/slave/slave_entrance.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/slave/slave_entrance.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ChildStderr`, `ChildStdout`
[INFO] [stderr]  --> src/slave/stream_cmd.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::{Command, Stdio, ChildStdout, ChildStderr};
[INFO] [stderr]   |                                    ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/slave/stream_cmd.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::common::order::*`
[INFO] [stderr]  --> src/slave/stream_cmd.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::common::order::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `udp_hole_punching as hole`
[INFO] [stderr]  --> src/slave/stream_cmd.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use udp_hole_punching as hole;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]   --> src/slave/stream_cmd.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::time::{Instant, Duration};
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/slave/rec.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::utils::*`
[INFO] [stderr]  --> src/common/order.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::utils::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/common/utils.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `read_to_string`
[INFO] [stderr]  --> src/common/utils.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{read_to_string, File};
[INFO] [stderr]   |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/common/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::order::Order`
[INFO] [stderr]  --> src/common/utils.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use super::order::Order;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]  --> src/common/utils.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::net::SocketAddr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/common/utils.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/common/cmd.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/common/cmd.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::common::order::*`
[INFO] [stderr]  --> src/host/cmd_process.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::common::order::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/host/cmd_process.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/host/cmd_process.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::shell::show`
[INFO] [stderr]  --> src/host/cmd_process.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super::shell::show;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::SocketAddr`
[INFO] [stderr]   --> src/host/cmd_process.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::net::SocketAddr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `stdin`, `time::Duration`
[INFO] [stderr]  --> src/host/shell.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io::{stdin, Write, stdout},
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr] 3 |     time::Duration,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result`, `execute`, `self`, `self`
[INFO] [stderr]  --> src/host/shell.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     execute, queue, cursor, terminal, Result,
[INFO] [stderr]   |     ^^^^^^^                           ^^^^^^
[INFO] [stderr] 7 |     event::{self, KeyEvent, read, Event, KeyCode},
[INFO] [stderr]   |             ^^^^
[INFO] [stderr] 8 |     terminal::{disable_raw_mode, enable_raw_mode, ClearType},
[INFO] [stderr] 9 |     style::{self, Colorize, Styler},
[INFO] [stderr]   |             ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/host/shell_process.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `udp_hole_punching as hole`
[INFO] [stderr]  --> src/host/shell_process.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use udp_hole_punching as hole;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result`, `cursor`, `execute`, `queue`, `self`, `terminal`
[INFO] [stderr]   --> src/host/shell_process.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     execute, queue,
[INFO] [stderr]    |     ^^^^^^^  ^^^^^
[INFO] [stderr] 11 |     style::{self, Colorize}, cursor, terminal, Result,
[INFO] [stderr]    |             ^^^^             ^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/slave/stream_cmd.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/slave/slave_entrance.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Err(e) => {}
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/slave/stream_cmd.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         Err(e) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old`
[INFO] [stderr]   --> src/slave/rec.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let old = env::current_dir().unwrap();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_old`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]    --> src/host/shell.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let res = cmd.parse(&line);
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/slave/stream_cmd.rs:74:31
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn read_out<T: std::io::Read>(mut t: T) -> String {
[INFO] [stderr]    |                               ----^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/host/shell_process.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut input = input.replace("\r", "");
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/slave/slave_entrance.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     start.send(peer);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/slave/slave_entrance.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     finish.send(peer);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/slave/stream_cmd.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             back.send(peer);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/cmd_process.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/cmd_process.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/cmd_process.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         order.send(peer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/cmd_process.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         order.send(peer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/shell.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         show_cmd_res();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/shell.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 | /                 queue!(stdout,
[INFO] [stderr] 56 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stderr] 57 | |                     cursor::MoveLeft(999));
[INFO] [stderr]    | |___________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/shell.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 | /                 queue!(stdout,
[INFO] [stderr] 67 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stderr] 68 | |                     cursor::MoveLeft(999));
[INFO] [stderr]    | |___________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/shell.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 | /                 queue!(stdout,
[INFO] [stderr] 78 | |                     terminal::Clear(ClearType::CurrentLine),
[INFO] [stderr] 79 | |                     cursor::MoveLeft(999));
[INFO] [stderr]    | |___________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/shell.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 | /             queue!(stdout,
[INFO] [stderr] 88 | |                     cursor::MoveLeft(1),
[INFO] [stderr] 89 | |                     terminal::Clear(ClearType::UntilNewLine),
[INFO] [stderr] 90 | |                     );
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/host/shell.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 | /             queue!(stdout,
[INFO] [stderr] 96 | |                     terminal::Clear(ClearType::All),
[INFO] [stderr] 97 | |                     cursor::MoveTo(0,0));
[INFO] [stderr]    | |_________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `queue` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/host/shell.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     disable_raw_mode();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `remote_shell` (lib) generated 53 warnings
[INFO] [stderr] warning: `remote_shell` (lib test) generated 53 warnings (53 duplicates)
[INFO] [stderr] warning: unused import: `common::cmd::Cmd`
[INFO] [stderr]   --> src/bin.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use common::cmd::Cmd;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `remote_shell` (bin "remote_shell" test) generated 54 warnings (53 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/remote_shell-1a633894ce10fda7)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/remote_shell-5565d2cdaf0e4867)
[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] [stderr]    Doc-tests remote_shell
[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" "0b8904895d0e6d86228c846bbb921a33081a4e371cb6abc36dc99807fff69519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8904895d0e6d86228c846bbb921a33081a4e371cb6abc36dc99807fff69519", kill_on_drop: false }`
[INFO] [stdout] 0b8904895d0e6d86228c846bbb921a33081a4e371cb6abc36dc99807fff69519
