[INFO] cloning repository https://github.com/aohan237/asyncnsq-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aohan237/asyncnsq-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faohan237%2Fasyncnsq-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faohan237%2Fasyncnsq-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5f265fdae25082c1707bf9f5141920f1b8cac39
[INFO] testing aohan237/asyncnsq-rs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faohan237%2Fasyncnsq-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aohan237/asyncnsq-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aohan237/asyncnsq-rs
[INFO] finished tweaking git repo https://github.com/aohan237/asyncnsq-rs
[INFO] tweaked toml for git repo https://github.com/aohan237/asyncnsq-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/aohan237/asyncnsq-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-14/source/tests/integrations_test.rs
[INFO] [stderr] warning: unused manifest key: package.doc
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded broadcaster v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9204df4dd6aa95e0a59e17e22a7cb2d6a646cb6b6d5ef6bd7c5ef1c6c28580e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9204df4dd6aa95e0a59e17e22a7cb2d6a646cb6b6d5ef6bd7c5ef1c6c28580e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9204df4dd6aa95e0a59e17e22a7cb2d6a646cb6b6d5ef6bd7c5ef1c6c28580e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9204df4dd6aa95e0a59e17e22a7cb2d6a646cb6b6d5ef6bd7c5ef1c6c28580e", kill_on_drop: false }`
[INFO] [stdout] a9204df4dd6aa95e0a59e17e22a7cb2d6a646cb6b6d5ef6bd7c5ef1c6c28580e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8592e7c5ba1cd9089159355c9c9c32b0f41c77b4fcfc1a9d918dba1b5e48e222
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8592e7c5ba1cd9089159355c9c9c32b0f41c77b4fcfc1a9d918dba1b5e48e222", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/integrations_test.rs
[INFO] [stderr] warning: unused manifest key: package.doc
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling once_cell v1.2.0
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]    Compiling async-task v1.0.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling sluice v0.4.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.20
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling broadcaster v0.2.6
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling async-std v1.4.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling surf v1.0.3
[INFO] [stderr]    Compiling asyncnsq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]    --> src/lib.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | use async_std::future;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IdentifyConfig`
[INFO] [stdout]  --> src/reader.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::data::{Address, IdentifyConfig, Msg};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]  --> src/reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use async_std::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/reader.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/reader.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]   --> src/reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::json;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]  --> src/writer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex`, `Receiver`, `Sender`, `channel`
[INFO] [stdout]  --> src/writer.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_std::sync::{channel, Arc, Mutex, Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^^       ^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/writer.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/writer.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub trait MsgHandler {
[INFO] [stdout]     |           ---------- this trait cannot be made into an object...
[INFO] [stdout] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^ ...because method `handler` references the `Self` type in its `where` clause
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stdout]     = help: consider moving `handler` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 288 | /     loop {
[INFO] [stdout] 289 | |         reader.sub(nsq_topic.as_str(), nsq_channel.as_str()).await?;
[INFO] [stdout] 290 | |         'a: loop {
[INFO] [stdout] 291 | |             dbg!("msg_receiver");
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |         reader.reconnect().await?;
[INFO] [stdout] 304 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 305 |       Ok(reader)
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/reader.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | /         loop {
[INFO] [stdout] 133 | |             if let Some(mut raw_data) = raw_receiver.recv().await {
[INFO] [stdout] 134 | |                 all_data.append(&mut raw_data);
[INFO] [stdout] 135 | |             }
[INFO] [stdout] ...   |
[INFO] [stdout] 194 | |             }
[INFO] [stdout] 195 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 196 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/reader.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         loop {
[INFO] [stdout] 102 | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stdout] 103 | |             dbg!("wait for read");
[INFO] [stdout] 104 | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             }
[INFO] [stdout] 119 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 120 |           dbg!("read_data finish");
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/writer.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 95  | /         loop {
[INFO] [stdout] 96  | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stdout] 97  | |             dbg!("wait for read");
[INFO] [stdout] 98  | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | |             }
[INFO] [stdout] 107 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 108 |           dbg!("read_data finish");
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_interval`
[INFO] [stdout]    --> src/lib.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 Some(m_interval) => {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_interval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/reader.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/writer.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     self.nsqlookup(handler.clone()).await;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stdout]    --> src/reader.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 tmpbuf.split_off(n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stdout]    --> src/writer.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 tmpbuf.split_off(n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> tests/integrations_test.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 88  | /     loop {
[INFO] [stdout] 89  | |         let tt = TestMsg {
[INFO] [stdout] 90  | |             name: "ss".to_string(),
[INFO] [stdout] 91  | |         };
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> tests/integrations_test.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if let Ok(res) = msg.req(1000).await {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_reader`
[INFO] [stdout]   --> tests/integrations_test.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | async fn test_reader() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_writer`
[INFO] [stdout]   --> tests/integrations_test.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | async fn test_writer() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> tests/integrations_test.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         dbg!(res);
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.23s
[INFO] running `Command { std: "docker" "inspect" "8592e7c5ba1cd9089159355c9c9c32b0f41c77b4fcfc1a9d918dba1b5e48e222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8592e7c5ba1cd9089159355c9c9c32b0f41c77b4fcfc1a9d918dba1b5e48e222", kill_on_drop: false }`
[INFO] [stdout] 8592e7c5ba1cd9089159355c9c9c32b0f41c77b4fcfc1a9d918dba1b5e48e222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ae49d73155588593d6d7b535fdb742ab6be215c54abb15d6e4ac1a5a4a05c00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ae49d73155588593d6d7b535fdb742ab6be215c54abb15d6e4ac1a5a4a05c00", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/integrations_test.rs
[INFO] [stderr] warning: unused manifest key: package.doc
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]    --> src/lib.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | use async_std::future;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IdentifyConfig`
[INFO] [stdout]  --> src/reader.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::data::{Address, IdentifyConfig, Msg};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]  --> src/reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use async_std::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/reader.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/reader.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling asyncnsq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]   --> src/reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::json;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]  --> src/writer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex`, `Receiver`, `Sender`, `channel`
[INFO] [stdout]  --> src/writer.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_std::sync::{channel, Arc, Mutex, Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^^       ^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/writer.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/writer.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub trait MsgHandler {
[INFO] [stdout]     |           ---------- this trait cannot be made into an object...
[INFO] [stdout] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^ ...because method `handler` references the `Self` type in its `where` clause
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stdout]     = help: consider moving `handler` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 288 | /     loop {
[INFO] [stdout] 289 | |         reader.sub(nsq_topic.as_str(), nsq_channel.as_str()).await?;
[INFO] [stdout] 290 | |         'a: loop {
[INFO] [stdout] 291 | |             dbg!("msg_receiver");
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |         reader.reconnect().await?;
[INFO] [stdout] 304 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 305 |       Ok(reader)
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/reader.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | /         loop {
[INFO] [stdout] 133 | |             if let Some(mut raw_data) = raw_receiver.recv().await {
[INFO] [stdout] 134 | |                 all_data.append(&mut raw_data);
[INFO] [stdout] 135 | |             }
[INFO] [stdout] ...   |
[INFO] [stdout] 194 | |             }
[INFO] [stdout] 195 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 196 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/reader.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         loop {
[INFO] [stdout] 102 | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stdout] 103 | |             dbg!("wait for read");
[INFO] [stdout] 104 | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             }
[INFO] [stdout] 119 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 120 |           dbg!("read_data finish");
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/writer.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 95  | /         loop {
[INFO] [stdout] 96  | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stdout] 97  | |             dbg!("wait for read");
[INFO] [stdout] 98  | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | |             }
[INFO] [stdout] 107 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 108 |           dbg!("read_data finish");
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_interval`
[INFO] [stdout]    --> src/lib.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 Some(m_interval) => {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_interval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/reader.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/writer.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     self.nsqlookup(handler.clone()).await;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stdout]    --> src/reader.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 tmpbuf.split_off(n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stdout]    --> src/writer.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 tmpbuf.split_off(n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> tests/integrations_test.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 88  | /     loop {
[INFO] [stdout] 89  | |         let tt = TestMsg {
[INFO] [stdout] 90  | |             name: "ss".to_string(),
[INFO] [stdout] 91  | |         };
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> tests/integrations_test.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if let Ok(res) = msg.req(1000).await {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_reader`
[INFO] [stdout]   --> tests/integrations_test.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | async fn test_reader() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_writer`
[INFO] [stdout]   --> tests/integrations_test.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | async fn test_writer() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> tests/integrations_test.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         dbg!(res);
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> tests/integrations_test.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 88  | /     loop {
[INFO] [stdout] 89  | |         let tt = TestMsg {
[INFO] [stdout] 90  | |             name: "ss".to_string(),
[INFO] [stdout] 91  | |         };
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> tests/integrations_test.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 88  | /     loop {
[INFO] [stdout] 89  | |         let tt = TestMsg {
[INFO] [stdout] 90  | |             name: "ss".to_string(),
[INFO] [stdout] 91  | |         };
[INFO] [stdout] ...   |
[INFO] [stdout] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 109 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]    --> src/lib.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | use async_std::future;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IdentifyConfig`
[INFO] [stdout]  --> src/reader.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::data::{Address, IdentifyConfig, Msg};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]  --> src/reader.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use async_std::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/reader.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/reader.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]   --> src/reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::json;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_std::future`
[INFO] [stdout]  --> src/writer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex`, `Receiver`, `Sender`, `channel`
[INFO] [stdout]  --> src/writer.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_std::sync::{channel, Arc, Mutex, Receiver, Sender};
[INFO] [stdout]   |                       ^^^^^^^       ^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]   --> src/writer.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]   --> src/writer.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> tests/integrations_test.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if let Ok(res) = msg.req(1000).await {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> tests/integrations_test.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if let Ok(res) = msg.req(1000).await {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> tests/integrations_test.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = subscribe(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_reader`
[INFO] [stdout]   --> tests/integrations_test.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | async fn test_reader() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_writer`
[INFO] [stdout]   --> tests/integrations_test.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | async fn test_writer() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_reader`
[INFO] [stdout]   --> tests/integrations_test.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | async fn test_reader() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_writer`
[INFO] [stdout]   --> tests/integrations_test.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | async fn test_writer() -> io::Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> tests/integrations_test.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         dbg!(res);
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> tests/integrations_test.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         dbg!(res);
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stdout]    --> src/lib.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub trait MsgHandler {
[INFO] [stdout]     |           ---------- this trait cannot be made into an object...
[INFO] [stdout] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^ ...because method `handler` references the `Self` type in its `where` clause
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stdout]     = help: consider moving `handler` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 288 | /     loop {
[INFO] [stdout] 289 | |         reader.sub(nsq_topic.as_str(), nsq_channel.as_str()).await?;
[INFO] [stdout] 290 | |         'a: loop {
[INFO] [stdout] 291 | |             dbg!("msg_receiver");
[INFO] [stdout] ...   |
[INFO] [stdout] 303 | |         reader.reconnect().await?;
[INFO] [stdout] 304 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 305 |       Ok(reader)
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/reader.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 132 | /         loop {
[INFO] [stdout] 133 | |             if let Some(mut raw_data) = raw_receiver.recv().await {
[INFO] [stdout] 134 | |                 all_data.append(&mut raw_data);
[INFO] [stdout] 135 | |             }
[INFO] [stdout] ...   |
[INFO] [stdout] 194 | |             }
[INFO] [stdout] 195 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 196 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/reader.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 101 | /         loop {
[INFO] [stdout] 102 | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stdout] 103 | |             dbg!("wait for read");
[INFO] [stdout] 104 | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |             }
[INFO] [stdout] 119 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 120 |           dbg!("read_data finish");
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/writer.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 95  | /         loop {
[INFO] [stdout] 96  | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stdout] 97  | |             dbg!("wait for read");
[INFO] [stdout] 98  | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | |             }
[INFO] [stdout] 107 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 108 |           dbg!("read_data finish");
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m_interval`
[INFO] [stdout]    --> src/lib.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 Some(m_interval) => {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_interval`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/reader.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp`
[INFO] [stdout]   --> src/writer.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     self.nsqlookup(handler.clone()).await;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stdout]    --> src/reader.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 tmpbuf.split_off(n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stdout]    --> src/writer.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 tmpbuf.split_off(n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.06s
[INFO] running `Command { std: "docker" "inspect" "4ae49d73155588593d6d7b535fdb742ab6be215c54abb15d6e4ac1a5a4a05c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae49d73155588593d6d7b535fdb742ab6be215c54abb15d6e4ac1a5a4a05c00", kill_on_drop: false }`
[INFO] [stdout] 4ae49d73155588593d6d7b535fdb742ab6be215c54abb15d6e4ac1a5a4a05c00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 282b93f9d55f8297a7d5a5dc0fd5105effa22e387a1a68fb9a09f1dad026a852
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "282b93f9d55f8297a7d5a5dc0fd5105effa22e387a1a68fb9a09f1dad026a852", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/integrations_test.rs
[INFO] [stderr] warning: unused manifest key: package.doc
[INFO] [stderr] warning: unused import: `async_std::future`
[INFO] [stderr]    --> src/lib.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 | use async_std::future;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::future`
[INFO] [stderr]    --> src/lib.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 | use async_std::future;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IdentifyConfig`
[INFO] [stderr]  --> src/reader.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::data::{Address, IdentifyConfig, Msg};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IdentifyConfig`
[INFO] [stderr]  --> src/reader.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::data::{Address, IdentifyConfig, Msg};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::future`
[INFO] [stderr]  --> src/reader.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use async_std::future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::future`
[INFO] [stderr]  --> src/reader.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use async_std::future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BytesMut`
[INFO] [stderr]   --> src/reader.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BytesMut`
[INFO] [stderr]   --> src/reader.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/reader.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::{Deserialize, Serialize};
[INFO] [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::json`
[INFO] [stderr]   --> src/reader.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde_json::json;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/reader.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::{Deserialize, Serialize};
[INFO] [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::json`
[INFO] [stderr]   --> src/reader.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde_json::json;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::future`
[INFO] [stderr]  --> src/writer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use async_std::future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mutex`, `Receiver`, `Sender`, `channel`
[INFO] [stderr]  --> src/writer.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use async_std::sync::{channel, Arc, Mutex, Receiver, Sender};
[INFO] [stderr]   |                       ^^^^^^^       ^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::future`
[INFO] [stderr]  --> src/writer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use async_std::future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BytesMut`
[INFO] [stderr]   --> src/writer.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]   --> src/writer.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::{Deserialize, Serialize};
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mutex`, `Receiver`, `Sender`, `channel`
[INFO] [stderr]  --> src/writer.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use async_std::sync::{channel, Arc, Mutex, Receiver, Sender};
[INFO] [stderr]   |                       ^^^^^^^       ^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BytesMut`
[INFO] [stderr]   --> src/writer.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bytes::{BufMut, BytesMut};
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]   --> src/writer.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::{Deserialize, Serialize};
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub trait MsgHandler {
[INFO] [stderr]     |           ---------- this trait cannot be made into an object...
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ ...because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = help: consider moving `handler` to another trait
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub trait MsgHandler {
[INFO] [stderr]     |           ---------- this trait cannot be made into an object...
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ ...because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = help: consider moving `handler` to another trait
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/lib.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 288 | /     loop {
[INFO] [stderr] 289 | |         reader.sub(nsq_topic.as_str(), nsq_channel.as_str()).await?;
[INFO] [stderr] 290 | |         'a: loop {
[INFO] [stderr] 291 | |             dbg!("msg_receiver");
[INFO] [stderr] ...   |
[INFO] [stderr] 303 | |         reader.reconnect().await?;
[INFO] [stderr] 304 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 305 |       Ok(reader)
[INFO] [stderr]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/lib.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 288 | /     loop {
[INFO] [stderr] 289 | |         reader.sub(nsq_topic.as_str(), nsq_channel.as_str()).await?;
[INFO] [stderr] 290 | |         'a: loop {
[INFO] [stderr] 291 | |             dbg!("msg_receiver");
[INFO] [stderr] ...   |
[INFO] [stderr] 303 | |         reader.reconnect().await?;
[INFO] [stderr] 304 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 305 |       Ok(reader)
[INFO] [stderr]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/reader.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 132 | /         loop {
[INFO] [stderr] 133 | |             if let Some(mut raw_data) = raw_receiver.recv().await {
[INFO] [stderr] 134 | |                 all_data.append(&mut raw_data);
[INFO] [stderr] 135 | |             }
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |             }
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 196 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/reader.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 132 | /         loop {
[INFO] [stderr] 133 | |             if let Some(mut raw_data) = raw_receiver.recv().await {
[INFO] [stderr] 134 | |                 all_data.append(&mut raw_data);
[INFO] [stderr] 135 | |             }
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |             }
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 196 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/reader.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | /         loop {
[INFO] [stderr] 102 | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stderr] 103 | |             dbg!("wait for read");
[INFO] [stderr] 104 | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |             }
[INFO] [stderr] 119 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 120 |           dbg!("read_data finish");
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/reader.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | /         loop {
[INFO] [stderr] 102 | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stderr] 103 | |             dbg!("wait for read");
[INFO] [stderr] 104 | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |             }
[INFO] [stderr] 119 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 120 |           dbg!("read_data finish");
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/writer.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 95  | /         loop {
[INFO] [stderr] 96  | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stderr] 97  | |             dbg!("wait for read");
[INFO] [stderr] 98  | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |             }
[INFO] [stderr] 107 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 108 |           dbg!("read_data finish");
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m_interval`
[INFO] [stderr]    --> src/lib.rs:230:22
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 Some(m_interval) => {
[INFO] [stderr]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_interval`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/writer.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 95  | /         loop {
[INFO] [stderr] 96  | |             let mut tmpbuf = vec![0u8; 1024];
[INFO] [stderr] 97  | |             dbg!("wait for read");
[INFO] [stderr] 98  | |             let n = reader.read(&mut tmpbuf).await?;
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |             }
[INFO] [stderr] 107 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 108 |           dbg!("read_data finish");
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp`
[INFO] [stderr]   --> src/reader.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m_interval`
[INFO] [stderr]    --> src/lib.rs:230:22
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 Some(m_interval) => {
[INFO] [stderr]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_m_interval`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp`
[INFO] [stderr]   --> src/writer.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp`
[INFO] [stderr]   --> src/reader.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp`
[INFO] [stderr]   --> src/writer.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let tmp = writer.write_all("  V2".as_bytes()).await?;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_tmp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     self.nsqlookup(handler.clone()).await;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/reader.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     self.nsqlookup(handler.clone()).await;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/writer.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/reader.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/writer.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> tests/integrations_test.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 88  | /     loop {
[INFO] [stderr] 89  | |         let tt = TestMsg {
[INFO] [stderr] 90  | |             name: "ss".to_string(),
[INFO] [stderr] 91  | |         };
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stderr] 108 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 109 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> tests/integrations_test.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 |     if let Ok(res) = msg.req(1000).await {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_reader`
[INFO] [stderr]   --> tests/integrations_test.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | async fn test_reader() -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_writer`
[INFO] [stderr]   --> tests/integrations_test.rs:79:10
[INFO] [stderr]    |
[INFO] [stderr] 79 | async fn test_writer() -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/integrations_test.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         dbg!(res);
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> tests/integrations_test.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 88  | /     loop {
[INFO] [stderr] 89  | |         let tt = TestMsg {
[INFO] [stderr] 90  | |             name: "ss".to_string(),
[INFO] [stderr] 91  | |         };
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stderr] 108 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 109 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> tests/integrations_test.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 |     if let Ok(res) = msg.req(1000).await {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `MsgHandler` cannot be made into an object
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_reader`
[INFO] [stderr]   --> tests/integrations_test.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | async fn test_reader() -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_writer`
[INFO] [stderr]   --> tests/integrations_test.rs:79:10
[INFO] [stderr]    |
[INFO] [stderr] 79 | async fn test_writer() -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> tests/integrations_test.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 88  | /     loop {
[INFO] [stderr] 89  | |         let tt = TestMsg {
[INFO] [stderr] 90  | |             name: "ss".to_string(),
[INFO] [stderr] 91  | |         };
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stderr] 108 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 109 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> tests/integrations_test.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 |     if let Ok(res) = msg.req(1000).await {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/integrations_test.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         dbg!(res);
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reader`
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_reader`
[INFO] [stderr]   --> tests/integrations_test.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | async fn test_reader() -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_writer`
[INFO] [stderr]   --> tests/integrations_test.rs:79:10
[INFO] [stderr]    |
[INFO] [stderr] 79 | async fn test_writer() -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/integrations_test.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         dbg!(res);
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/asyncnsq-ce998cf69fde7cd1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integrations_test-a1a3a790f58f6556
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integrations_test-abd2745730d09c1c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/publish_test-da82afed300599cd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_publish ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_publish stdout ----
[INFO] [stdout] [tests/publish_test.rs:11] "test_publish" = "test_publish"
[INFO] [stdout] Error: Custom { kind: ConnectionRefused, error: VerboseError { source: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }, message: "could not connect to 127.0.0.1:4150" } }
[INFO] [stdout] thread 'test_publish' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `1`,
[INFO] [stdout]  right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:192:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d570a0ab50 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55d570a0ab50 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d570a0ab50 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55d570a0ab50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55d570a2db0c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x55d5708f3556 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x55d570a01d0d - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x55d570a0d07d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55d570a0d07d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55d570a0d07d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x55d570a0ccd2 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x55d570a0d761 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x55d570a0d309 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x55d570a0afdc - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55d570a0d2c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x55d570a0d27b - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stdout]   16:     0x55d5708e1cd7 - test::assert_test_result::h3b6215245fa15ca5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:192
[INFO] [stdout]   17:     0x55d5708e1e83 - publish_test::test_publish::{{closure}}::hc5533c48ecaaabf1
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/publish_test.rs:8
[INFO] [stdout]   18:     0x55d5708ead4e - core::ops::function::FnOnce::call_once::h67d19ce9f06c199c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x55d57091a343 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x55d57091a343 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x55d570918848 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x55d570918848 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x55d570918848 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x55d570918848 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x55d570918848 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x55d570918848 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x55d570918848 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x55d5708f28d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x55d5708f7a45 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x55d5708f7a45 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x55d5708f7a45 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x55d5708f7a45 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x55d5708f7a45 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x55d5708f7a45 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x55d5708f7a45 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x55d570a1437a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x55d570a1437a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x55d570a1437a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7ff939ee7609 - start_thread
[INFO] [stdout]   40:     0x7ff93a174103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_publish
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test publish_test'
[INFO] running `Command { std: "docker" "inspect" "282b93f9d55f8297a7d5a5dc0fd5105effa22e387a1a68fb9a09f1dad026a852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282b93f9d55f8297a7d5a5dc0fd5105effa22e387a1a68fb9a09f1dad026a852", kill_on_drop: false }`
[INFO] [stdout] 282b93f9d55f8297a7d5a5dc0fd5105effa22e387a1a68fb9a09f1dad026a852
