[INFO] cloning repository https://github.com/AustinHaugerud/lurk_world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AustinHaugerud/lurk_world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Flurk_world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Flurk_world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 337ef13dbd03cd9e4316450b852246f37033879f
[INFO] checking AustinHaugerud/lurk_world against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Flurk_world" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AustinHaugerud/lurk_world on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AustinHaugerud/lurk_world
[INFO] finished tweaking git repo https://github.com/AustinHaugerud/lurk_world
[INFO] tweaked toml for git repo https://github.com/AustinHaugerud/lurk_world written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AustinHaugerud/lurk_world already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded indexmap v1.3.2
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded rlua v0.17.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56c86ed65e2ca5a1eef2f1ce3432137ed2a962b875b91d51366ec7c013e0db20
[INFO] running `Command { std: "docker" "start" "-a" "56c86ed65e2ca5a1eef2f1ce3432137ed2a962b875b91d51366ec7c013e0db20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56c86ed65e2ca5a1eef2f1ce3432137ed2a962b875b91d51366ec7c013e0db20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c86ed65e2ca5a1eef2f1ce3432137ed2a962b875b91d51366ec7c013e0db20", kill_on_drop: false }`
[INFO] [stdout] 56c86ed65e2ca5a1eef2f1ce3432137ed2a962b875b91d51366ec7c013e0db20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ff180a8ad8d1243a21be0936be8ac6b540f7c737cd73ab577e80e86d353d90d
[INFO] running `Command { std: "docker" "start" "-a" "8ff180a8ad8d1243a21be0936be8ac6b540f7c737cd73ab577e80e86d353d90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling lurk_macros v0.1.0 (/opt/rustwide/workdir/lurk_macros)
[INFO] [stdout] warning: unused import: `syn::MetaNameValue`
[INFO] [stdout]   --> lurk_macros/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use syn::MetaNameValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::Lit`
[INFO] [stdout]   --> lurk_macros/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use syn::Lit;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#bbb14f8b)
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#bbb14f8b)
[INFO] [stderr]     Checking lurk_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`
[INFO] [stdout]  --> src/cli.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{App, Arg, Clap};
[INFO] [stdout]   |            ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/protocol.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/protocol.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::prelude::LuaTable`
[INFO] [stdout]  --> src/protocol.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rlua::prelude::LuaTable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::Table`
[INFO] [stdout]  --> src/protocol.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rlua::Table;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/protocol.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if (status) {
[INFO] [stdout]     |            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::String`
[INFO] [stdout]   --> src/lua.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         use rlua::String;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/read.rs:91:15
[INFO] [stdout]    |
[INFO] [stdout] 91 | use std::io::{BufReader, Read, BufRead};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]   --> src/read.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | use std::net::TcpStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/read_buffer.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Ok((read))
[INFO] [stdout]    |            ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClientEvent`
[INFO] [stdout]  --> src/server.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::client::{Client, ClientFactory, ClientEvent};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::read::LurkReadEvent`
[INFO] [stdout]  --> src/server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::read::LurkReadEvent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::prelude::LuaTable`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rlua::prelude::LuaTable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::Value::Nil`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rlua::Value::Nil;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `UserDataMethods`, `UserData`
[INFO] [stdout]  --> src/server.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rlua::{Lua, UserData, UserDataMethods};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/server.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/server.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`
[INFO] [stdout]  --> src/cli.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{App, Arg, Clap};
[INFO] [stdout]   |            ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufRead`
[INFO] [stdout]  --> src/protocol.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/protocol.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::prelude::LuaTable`
[INFO] [stdout]  --> src/protocol.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rlua::prelude::LuaTable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::Table`
[INFO] [stdout]  --> src/protocol.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rlua::Table;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/protocol.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if (status) {
[INFO] [stdout]     |            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::String`
[INFO] [stdout]   --> src/lua.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         use rlua::String;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/read.rs:91:15
[INFO] [stdout]    |
[INFO] [stdout] 91 | use std::io::{BufReader, Read, BufRead};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]   --> src/read.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | use std::net::TcpStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/read_buffer.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Ok((read))
[INFO] [stdout]    |            ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ClientEvent`
[INFO] [stdout]  --> src/server.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::client::{Client, ClientFactory, ClientEvent};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::read::LurkReadEvent`
[INFO] [stdout]  --> src/server.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::read::LurkReadEvent;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::prelude::LuaTable`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rlua::prelude::LuaTable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rlua::Value::Nil`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rlua::Value::Nil;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `UserDataMethods`, `UserData`
[INFO] [stdout]  --> src/server.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rlua::{Lua, UserData, UserDataMethods};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/server.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/server.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:328:39
[INFO] [stdout]     |
[INFO] [stdout] 328 |                     eprintln!("{}", e.description());
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> src/read.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 | use std::io::{BufReader, Read, BufRead};
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/read.rs:328:39
[INFO] [stdout]     |
[INFO] [stdout] 328 |                     eprintln!("{}", e.description());
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/lua.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 |         methods.add_method("string", |ctx, this, ()| {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> src/read.rs:91:32
[INFO] [stdout]    |
[INFO] [stdout] 91 | use std::io::{BufReader, Read, BufRead};
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/lua.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 |         methods.add_method("string", |ctx, this, ()| {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write`
[INFO] [stdout]   --> src/client.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     write: BufWriter<TcpStream>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/client.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `left`
[INFO] [stdout]    --> src/client.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn left(&self) -> ClientEvent {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/lua.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `good`
[INFO] [stdout]   --> src/read.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn good(&self) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/read_buffer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write`
[INFO] [stdout]   --> src/client.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     write: BufWriter<TcpStream>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/client.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `left`
[INFO] [stdout]    --> src/client.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn left(&self) -> ClientEvent {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/lua.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `good`
[INFO] [stdout]   --> src/read.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn good(&self) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/read_buffer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.39s
[INFO] running `Command { std: "docker" "inspect" "8ff180a8ad8d1243a21be0936be8ac6b540f7c737cd73ab577e80e86d353d90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff180a8ad8d1243a21be0936be8ac6b540f7c737cd73ab577e80e86d353d90d", kill_on_drop: false }`
[INFO] [stdout] 8ff180a8ad8d1243a21be0936be8ac6b540f7c737cd73ab577e80e86d353d90d