[INFO] cloning repository https://github.com/bartavelle/chatserver-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bartavelle/chatserver-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartavelle%2Fchatserver-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartavelle%2Fchatserver-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c160ca4ee823ab06fc2316f960696cdd767d02b2
[INFO] checking bartavelle/chatserver-lab against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartavelle%2Fchatserver-lab" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bartavelle/chatserver-lab
[INFO] finished tweaking git repo https://github.com/bartavelle/chatserver-lab
[INFO] tweaked toml for git repo https://github.com/bartavelle/chatserver-lab written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bartavelle/chatserver-lab on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bartavelle/chatserver-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d2f6ea5db8713e350510636aa1bcc1e57252b9efc220fe9bd5d85860461a1d7
[INFO] running `Command { std: "docker" "start" "-a" "1d2f6ea5db8713e350510636aa1bcc1e57252b9efc220fe9bd5d85860461a1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d2f6ea5db8713e350510636aa1bcc1e57252b9efc220fe9bd5d85860461a1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2f6ea5db8713e350510636aa1bcc1e57252b9efc220fe9bd5d85860461a1d7", kill_on_drop: false }`
[INFO] [stdout] 1d2f6ea5db8713e350510636aa1bcc1e57252b9efc220fe9bd5d85860461a1d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff347a1b0ca49a208a7c9cdaf737097f074b30b18f34122f4174fb06213830e4
[INFO] running `Command { std: "docker" "start" "-a" "ff347a1b0ca49a208a7c9cdaf737097f074b30b18f34122f4174fb06213830e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
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[INFO] [stderr]     Checking chatproto v0.1.0 (/opt/rustwide/workdir/chatproto)
[INFO] [stdout] warning: unused imports: `LittleEndian` and `ReadBytesExt`
[INFO] [stdout]  --> chatproto/src/netproto/decode.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use byteorder::{LittleEndian, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LittleEndian`
[INFO] [stdout]  --> chatproto/src/netproto/encode.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use byteorder::{LittleEndian, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::sync::RwLock`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FutureExt` and `select`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{FutureExt, select};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `VecDeque`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |   collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                          ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FullyQualifiedMessage` and `MAILBOX_SIZE`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |   core::{MessageServer, SpamChecker, MAILBOX_SIZE},
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout] 12 |   messages::{
[INFO] [stdout] 13 |     ClientError, ClientId, ClientMessage, ClientPollReply, ClientReply, FullyQualifiedMessage,
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Outgoing`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::messages::{Outgoing, ServerMessage, ServerReply};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LittleEndian` and `ReadBytesExt`
[INFO] [stdout]  --> chatproto/src/netproto/decode.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use byteorder::{LittleEndian, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LittleEndian`
[INFO] [stdout]  --> chatproto/src/netproto/encode.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use byteorder::{LittleEndian, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::sync::RwLock`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FutureExt` and `select`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{FutureExt, select};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `VecDeque`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 |   collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]   |                          ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]  --> chatproto/src/solutions/sample.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FullyQualifiedMessage` and `MAILBOX_SIZE`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:11:38
[INFO] [stdout]    |
[INFO] [stdout] 11 |   core::{MessageServer, SpamChecker, MAILBOX_SIZE},
[INFO] [stdout]    |                                      ^^^^^^^^^^^^
[INFO] [stdout] 12 |   messages::{
[INFO] [stdout] 13 |     ClientError, ClientId, ClientMessage, ClientPollReply, ClientReply, FullyQualifiedMessage,
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Outgoing`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::messages::{Outgoing, ServerMessage, ServerReply};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn u128<R: Read>(rd: &mut R) -> anyhow::Result<u128> {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn uuid<R: Read>(rd: &mut R) -> anyhow::Result<Uuid> {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn clientid<R: Read>(rd: &mut R) -> anyhow::Result<ClientId> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn serverid<R: Read>(rd: &mut R) -> anyhow::Result<ServerId> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn string<R: Read>(rd: &mut R) -> anyhow::Result<String> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn auth<R: Read>(rd: &mut R) -> anyhow::Result<AuthMessage> {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn client<R: Read>(rd: &mut R) -> anyhow::Result<ClientMessage> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn client_replies<R: Read>(rd: &mut R) -> anyhow::Result<Vec<ClientReply>> {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn client_poll_reply<R: Read>(rd: &mut R) -> anyhow::Result<ClientPollReply> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn server<R: Read>(rd: &mut R) -> anyhow::Result<ServerMessage> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn userlist<R: Read>(rd: &mut R) -> anyhow::Result<HashMap<ClientId, String>> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn client_query<R: Read>(rd: &mut R) -> anyhow::Result<ClientQuery> {
[INFO] [stdout]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn sequence<X, R: Read, DEC>(rd: &mut R, d: DEC) -> anyhow::Result<Sequence<X>>
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn sequence<X, R: Read, DEC>(rd: &mut R, d: DEC) -> anyhow::Result<Sequence<X>>
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn uuid<W>(w: &mut W, m: &Uuid) -> std::io::Result<()>
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn uuid<W>(w: &mut W, m: &Uuid) -> std::io::Result<()>
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn clientid<W>(w: &mut W, m: &ClientId) -> std::io::Result<()>
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn clientid<W>(w: &mut W, m: &ClientId) -> std::io::Result<()>
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn serverid<W>(w: &mut W, m: &ServerId) -> std::io::Result<()>
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn serverid<W>(w: &mut W, m: &ServerId) -> std::io::Result<()>
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn string<W>(w: &mut W, m: &str) -> std::io::Result<()>
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn string<W>(w: &mut W, m: &str) -> std::io::Result<()>
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn server<W>(w: &mut W, m: &ServerMessage) -> std::io::Result<()>
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:111:29
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn server<W>(w: &mut W, m: &ServerMessage) -> std::io::Result<()>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn client<W>(w: &mut W, m: &ClientMessage) -> std::io::Result<()>
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:118:29
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn client<W>(w: &mut W, m: &ClientMessage) -> std::io::Result<()>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:125:26
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn client_replies<W>(w: &mut W, m: &[ClientReply]) -> std::io::Result<()>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:125:37
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn client_replies<W>(w: &mut W, m: &[ClientReply]) -> std::io::Result<()>
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn client_poll_reply<W>(w: &mut W, m: &ClientPollReply) -> std::io::Result<()>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:132:40
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn client_poll_reply<W>(w: &mut W, m: &ClientPollReply) -> std::io::Result<()>
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:140:20
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn userlist<W>(w: &mut W, m: &HashMap<ClientId, String>) -> std::io::Result<()>
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn userlist<W>(w: &mut W, m: &HashMap<ClientId, String>) -> std::io::Result<()>
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:147:24
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn client_query<W>(w: &mut W, m: &ClientQuery) -> std::io::Result<()>
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:147:35
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn client_query<W>(w: &mut W, m: &ClientQuery) -> std::io::Result<()>
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn sequence<X, W, ENC>(w: &mut W, m: &Sequence<X>, f: ENC) -> std::io::Result<()>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:154:39
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn sequence<X, W, ENC>(w: &mut W, m: &Sequence<X>, f: ENC) -> std::io::Result<()>
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:154:56
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn sequence<X, W, ENC>(w: &mut W, m: &Sequence<X>, f: ENC) -> std::io::Result<()>
[INFO] [stdout]     |                                                        ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checker`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn new(checker: C, id: ServerId) -> Self {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn new(checker: C, id: ServerId) -> Self {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src_ip`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |   async fn register_local_client(&self, src_ip: IpAddr, name: String) -> Option<ClientId> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:41:57
[INFO] [stdout]    |
[INFO] [stdout] 41 |   async fn register_local_client(&self, src_ip: IpAddr, name: String) -> Option<ClientId> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     sequence: Sequence<A>,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |   async fn handle_client_message(&self, src: ClientId, msg: ClientMessage) -> Vec<ClientReply> {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:65:56
[INFO] [stdout]    |
[INFO] [stdout] 65 |   async fn handle_client_message(&self, src: ClientId, msg: ClientMessage) -> Vec<ClientReply> {
[INFO] [stdout]    |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |   async fn client_poll(&self, client: ClientId) -> ClientPollReply {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 |   async fn handle_server_message(&self, msg: ServerMessage) -> ServerReply {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |   async fn route_to(&self, destination: ServerId) -> Option<Vec<ServerId>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uuid` is never used
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn uuid<R: Read>(rd: &mut R) -> anyhow::Result<Uuid> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uuid` is never used
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn uuid<W>(w: &mut W, m: &Uuid) -> std::io::Result<()>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checker` is never read
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Server<C: SpamChecker> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 23 |   checker: C,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused import: `SpamChecker`
[INFO] [stdout]  --> server/src/main.rs:4:54
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chatproto::core::{DefaultChecker, MessageServer, SpamChecker};
[INFO] [stdout]   |                                                      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SpamChecker`
[INFO] [stdout]  --> server/src/main.rs:4:54
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chatproto::core::{DefaultChecker, MessageServer, SpamChecker};
[INFO] [stdout]   |                                                      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn u128<R: Read>(rd: &mut R) -> anyhow::Result<u128> {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn uuid<R: Read>(rd: &mut R) -> anyhow::Result<Uuid> {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn clientid<R: Read>(rd: &mut R) -> anyhow::Result<ClientId> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn serverid<R: Read>(rd: &mut R) -> anyhow::Result<ServerId> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn string<R: Read>(rd: &mut R) -> anyhow::Result<String> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn auth<R: Read>(rd: &mut R) -> anyhow::Result<AuthMessage> {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn client<R: Read>(rd: &mut R) -> anyhow::Result<ClientMessage> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn client_replies<R: Read>(rd: &mut R) -> anyhow::Result<Vec<ClientReply>> {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn client_poll_reply<R: Read>(rd: &mut R) -> anyhow::Result<ClientPollReply> {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn server<R: Read>(rd: &mut R) -> anyhow::Result<ServerMessage> {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn userlist<R: Read>(rd: &mut R) -> anyhow::Result<HashMap<ClientId, String>> {
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn client_query<R: Read>(rd: &mut R) -> anyhow::Result<ClientQuery> {
[INFO] [stdout]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:62:34
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn sequence<X, R: Read, DEC>(rd: &mut R, d: DEC) -> anyhow::Result<Sequence<X>>
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn sequence<X, R: Read, DEC>(rd: &mut R, d: DEC) -> anyhow::Result<Sequence<X>>
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn uuid<W>(w: &mut W, m: &Uuid) -> std::io::Result<()>
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn uuid<W>(w: &mut W, m: &Uuid) -> std::io::Result<()>
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn clientid<W>(w: &mut W, m: &ClientId) -> std::io::Result<()>
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn clientid<W>(w: &mut W, m: &ClientId) -> std::io::Result<()>
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn serverid<W>(w: &mut W, m: &ServerId) -> std::io::Result<()>
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn serverid<W>(w: &mut W, m: &ServerId) -> std::io::Result<()>
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn string<W>(w: &mut W, m: &str) -> std::io::Result<()>
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn string<W>(w: &mut W, m: &str) -> std::io::Result<()>
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn server<W>(w: &mut W, m: &ServerMessage) -> std::io::Result<()>
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:111:29
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn server<W>(w: &mut W, m: &ServerMessage) -> std::io::Result<()>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn client<W>(w: &mut W, m: &ClientMessage) -> std::io::Result<()>
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:118:29
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn client<W>(w: &mut W, m: &ClientMessage) -> std::io::Result<()>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:125:26
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn client_replies<W>(w: &mut W, m: &[ClientReply]) -> std::io::Result<()>
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:125:37
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn client_replies<W>(w: &mut W, m: &[ClientReply]) -> std::io::Result<()>
[INFO] [stdout]     |                                     ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:132:29
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn client_poll_reply<W>(w: &mut W, m: &ClientPollReply) -> std::io::Result<()>
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:132:40
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn client_poll_reply<W>(w: &mut W, m: &ClientPollReply) -> std::io::Result<()>
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:140:20
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn userlist<W>(w: &mut W, m: &HashMap<ClientId, String>) -> std::io::Result<()>
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn userlist<W>(w: &mut W, m: &HashMap<ClientId, String>) -> std::io::Result<()>
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:147:24
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn client_query<W>(w: &mut W, m: &ClientQuery) -> std::io::Result<()>
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:147:35
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn client_query<W>(w: &mut W, m: &ClientQuery) -> std::io::Result<()>
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn sequence<X, W, ENC>(w: &mut W, m: &Sequence<X>, f: ENC) -> std::io::Result<()>
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:154:39
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn sequence<X, W, ENC>(w: &mut W, m: &Sequence<X>, f: ENC) -> std::io::Result<()>
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> chatproto/src/netproto/encode.rs:154:56
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn sequence<X, W, ENC>(w: &mut W, m: &Sequence<X>, f: ENC) -> std::io::Result<()>
[INFO] [stdout]     |                                                        ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checker`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn new(checker: C, id: ServerId) -> Self {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn new(checker: C, id: ServerId) -> Self {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src_ip`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:41:41
[INFO] [stdout]    |
[INFO] [stdout] 41 |   async fn register_local_client(&self, src_ip: IpAddr, name: String) -> Option<ClientId> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:41:57
[INFO] [stdout]    |
[INFO] [stdout] 41 |   async fn register_local_client(&self, src_ip: IpAddr, name: String) -> Option<ClientId> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequence`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     sequence: Sequence<A>,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |   async fn handle_client_message(&self, src: ClientId, msg: ClientMessage) -> Vec<ClientReply> {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:65:56
[INFO] [stdout]    |
[INFO] [stdout] 65 |   async fn handle_client_message(&self, src: ClientId, msg: ClientMessage) -> Vec<ClientReply> {
[INFO] [stdout]    |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |   async fn client_poll(&self, client: ClientId) -> ClientPollReply {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 |   async fn handle_server_message(&self, msg: ServerMessage) -> ServerReply {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |   async fn route_to(&self, destination: ServerId) -> Option<Vec<ServerId>> {
[INFO] [stdout]    |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uuid` is never used
[INFO] [stdout]   --> chatproto/src/netproto/decode.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn uuid<R: Read>(rd: &mut R) -> anyhow::Result<Uuid> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `uuid` is never used
[INFO] [stdout]   --> chatproto/src/netproto/encode.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn uuid<W>(w: &mut W, m: &Uuid) -> std::io::Result<()>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `checker` is never read
[INFO] [stdout]   --> chatproto/src/solutions/sample.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Server<C: SpamChecker> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 23 |   checker: C,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_cursor` is never used
[INFO] [stdout]   --> client/src/inputbox.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl IBox {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |   pub fn reset_cursor(&mut self) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_cursor` is never used
[INFO] [stdout]   --> client/src/inputbox.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl IBox {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |   pub fn reset_cursor(&mut self) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> client/src/main.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 | /   #[structopt(long)]
[INFO] [stdout] 37 | |   /// your name
[INFO] [stdout] 38 | |   name: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> client/src/main.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 | /   #[structopt(long)]
[INFO] [stdout] 37 | |   /// your name
[INFO] [stdout] 38 | |   name: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `client` (bin "client" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `client` (bin "client") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ff347a1b0ca49a208a7c9cdaf737097f074b30b18f34122f4174fb06213830e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff347a1b0ca49a208a7c9cdaf737097f074b30b18f34122f4174fb06213830e4", kill_on_drop: false }`
[INFO] [stdout] ff347a1b0ca49a208a7c9cdaf737097f074b30b18f34122f4174fb06213830e4
