[INFO] cloning repository https://github.com/GabrielNakamoto/Juus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielNakamoto/Juus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielNakamoto%2FJuus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielNakamoto%2FJuus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f92e309aa02dfdf1b22125f0e1d9956b9d6a7f1
[INFO] checking GabrielNakamoto/Juus against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielNakamoto%2FJuus" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GabrielNakamoto/Juus
[INFO] finished tweaking git repo https://github.com/GabrielNakamoto/Juus
[INFO] tweaked toml for git repo https://github.com/GabrielNakamoto/Juus written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GabrielNakamoto/Juus on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GabrielNakamoto/Juus 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 545a3691d7c7df498ee35868ce6be7ef039d2c7d1c33e22da8f797a9b6f8005d
[INFO] running `Command { std: "docker" "start" "-a" "545a3691d7c7df498ee35868ce6be7ef039d2c7d1c33e22da8f797a9b6f8005d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "545a3691d7c7df498ee35868ce6be7ef039d2c7d1c33e22da8f797a9b6f8005d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545a3691d7c7df498ee35868ce6be7ef039d2c7d1c33e22da8f797a9b6f8005d", kill_on_drop: false }`
[INFO] [stdout] 545a3691d7c7df498ee35868ce6be7ef039d2c7d1c33e22da8f797a9b6f8005d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2351b55f9f87e4b4aa9c04c2e1c5c8766e8290757f897e1411115273fc789a02
[INFO] running `Command { std: "docker" "start" "-a" "2351b55f9f87e4b4aa9c04c2e1c5c8766e8290757f897e1411115273fc789a02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
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[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ed25519 v3.0.0-rc.1
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[INFO] [stderr]     Checking url v2.5.7
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[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/ds.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use log::{info, debug, error};
[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 imports: `GossipReceiver`, `GossipSender`, and `GossipTopic`
[INFO] [stdout]   --> src/ds.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     api::{Event, GossipTopic, GossipSender, GossipReceiver},
[INFO] [stdout]    |                  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signature` and `VerifyingKey`
[INFO] [stdout]  --> src/entrance.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ed25519_dalek::{SigningKey, VerifyingKey, Signature};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `group::ReceivedMessage::*`
[INFO] [stdout]   --> src/entrance.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     group::ReceivedMessage::*,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]   --> src/entrance.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use log::{info, debug, error};
[INFO] [stdout]    |                 ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/entrance.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/ds.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use log::{info, debug, error};
[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 imports: `GossipReceiver`, `GossipSender`, and `GossipTopic`
[INFO] [stdout]   --> src/ds.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     api::{Event, GossipTopic, GossipSender, GossipReceiver},
[INFO] [stdout]    |                  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signature` and `VerifyingKey`
[INFO] [stdout]  --> src/entrance.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ed25519_dalek::{SigningKey, VerifyingKey, Signature};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `group::ReceivedMessage::*`
[INFO] [stdout]   --> src/entrance.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     group::ReceivedMessage::*,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug` and `error`
[INFO] [stdout]   --> src/entrance.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use log::{info, debug, error};
[INFO] [stdout]    |                 ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/entrance.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entrance.rs:114:7
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut delivery = Delivery::new().await?;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entrance.rs:114:7
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut delivery = Delivery::new().await?;
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entrance.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 133 |         mut post: mpsc::Receiver<Message>
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entrance.rs:185:3
[INFO] [stdout]     |
[INFO] [stdout] 185 |         mut post: mpsc::Receiver<Message>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entrance.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 133 |         mut post: mpsc::Receiver<Message>
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entrance.rs:185:3
[INFO] [stdout]     |
[INFO] [stdout] 185 |         mut post: mpsc::Receiver<Message>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MlsConfig`
[INFO] [stdout]   --> src/entrance.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     client_builder::{MlsConfig, BaseConfig, WithIdentityProvider, WithCryptoProvider},
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MlsConfig`
[INFO] [stdout]   --> src/entrance.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     client_builder::{MlsConfig, BaseConfig, WithIdentityProvider, WithCryptoProvider},
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/entrance.rs:217:15
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let (group, info) = self.mls.join_group(None, &welcome, None)?;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> src/entrance.rs:217:15
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let (group, info) = self.mls.join_group(None, &welcome, None)?;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chathash`
[INFO] [stdout]    --> src/entrance.rs:274:3
[INFO] [stdout]     |
[INFO] [stdout] 274 |         chathash: Hash,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chathash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proposal`
[INFO] [stdout]    --> src/entrance.rs:295:10
[INFO] [stdout]     |
[INFO] [stdout] 295 |                     let proposal = group.lock().await.propose_add(msg, vec![])?;
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proposal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/entrance.rs:315:3
[INFO] [stdout]     |
[INFO] [stdout] 315 |         group: AsyncGroup,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mailbox`
[INFO] [stdout]    --> src/entrance.rs:318:3
[INFO] [stdout]     |
[INFO] [stdout] 318 |         mailbox: mpsc::Sender<Message>
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mailbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> src/entrance.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 |         while let Some(packet) = rx.recv().await {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chathash`
[INFO] [stdout]    --> src/entrance.rs:274:3
[INFO] [stdout]     |
[INFO] [stdout] 274 |         chathash: Hash,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_chathash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proposal`
[INFO] [stdout]    --> src/entrance.rs:295:10
[INFO] [stdout]     |
[INFO] [stdout] 295 |                     let proposal = group.lock().await.propose_add(msg, vec![])?;
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proposal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `group`
[INFO] [stdout]    --> src/entrance.rs:315:3
[INFO] [stdout]     |
[INFO] [stdout] 315 |         group: AsyncGroup,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_group`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mailbox`
[INFO] [stdout]    --> src/entrance.rs:318:3
[INFO] [stdout]     |
[INFO] [stdout] 318 |         mailbox: mpsc::Sender<Message>
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mailbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> src/entrance.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 |         while let Some(packet) = rx.recv().await {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entrance`
[INFO] [stdout]   --> src/main.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (entrance, nid) = match args.command {
[INFO] [stdout]    |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entrance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entrance`
[INFO] [stdout]   --> src/main.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (entrance, nid) = match args.command {
[INFO] [stdout]    |          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entrance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shutdown` is never used
[INFO] [stdout]    --> src/ds.rs:161:15
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl Delivery {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub async fn shutdown(&mut self) -> anyhow::Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]   --> src/types.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Message {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 14 |     pub fn from_bytes(bytes: &[u8]) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decrypt` is never used
[INFO] [stdout]    --> src/entrance.rs:254:11
[INFO] [stdout]     |
[INFO] [stdout]  89 | impl Entrance {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     async fn decrypt(
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shutdown` is never used
[INFO] [stdout]    --> src/ds.rs:161:15
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl Delivery {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub async fn shutdown(&mut self) -> anyhow::Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_bytes` is never used
[INFO] [stdout]   --> src/types.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Message {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 14 |     pub fn from_bytes(bytes: &[u8]) -> anyhow::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decrypt` is never used
[INFO] [stdout]    --> src/entrance.rs:254:11
[INFO] [stdout]     |
[INFO] [stdout]  89 | impl Entrance {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 254 |     async fn decrypt(
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 |             entrance.open(tx, rx).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = entrance.open(tx, rx).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 |             entrance.join(tx, rx).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = entrance.join(tx, rx).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 |             entrance.open(tx, rx).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = entrance.open(tx, rx).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 |             entrance.join(tx, rx).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let _ = entrance.join(tx, rx).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::trim_end` that must be used
[INFO] [stdout]    --> src/main.rs:126:3
[INFO] [stdout]     |
[INFO] [stdout] 126 |         buffer.trim_end();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the trimmed string as a new slice, without modifying the original
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = buffer.trim_end();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::trim_end` that must be used
[INFO] [stdout]    --> src/main.rs:126:3
[INFO] [stdout]     |
[INFO] [stdout] 126 |         buffer.trim_end();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the trimmed string as a new slice, without modifying the original
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = buffer.trim_end();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ds.rs:94:7
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         self.tr_out.send(msg.content.to_vec()).await;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         let _ = self.tr_out.send(msg.content.to_vec()).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/ds.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             tokio::join!(listen_handle, deliver_handle);
[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` in tuple element 1 that must be used
[INFO] [stdout]    --> src/ds.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             tokio::join!(listen_handle, deliver_handle);
[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/ds.rs:94:7
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         self.tr_out.send(msg.content.to_vec()).await;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |                         let _ = self.tr_out.send(msg.content.to_vec()).await;
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]    --> src/ds.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             tokio::join!(listen_handle, deliver_handle);
[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` in tuple element 1 that must be used
[INFO] [stdout]    --> src/ds.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 |             tokio::join!(listen_handle, deliver_handle);
[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/entrance.rs:301:7
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         stream.tx.send(welcome.to_bytes()?).await;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         let _ = stream.tx.send(welcome.to_bytes()?).await;
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/entrance.rs:301:7
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         stream.tx.send(welcome.to_bytes()?).await;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         let _ = stream.tx.send(welcome.to_bytes()?).await;
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "2351b55f9f87e4b4aa9c04c2e1c5c8766e8290757f897e1411115273fc789a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2351b55f9f87e4b4aa9c04c2e1c5c8766e8290757f897e1411115273fc789a02", kill_on_drop: false }`
[INFO] [stdout] 2351b55f9f87e4b4aa9c04c2e1c5c8766e8290757f897e1411115273fc789a02
