[INFO] fetching crate asyncnsq 0.1.0...
[INFO] testing asyncnsq-0.1.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate asyncnsq 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate asyncnsq 0.1.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asyncnsq 0.1.0
[INFO] finished tweaking crates.io crate asyncnsq 0.1.0
[INFO] tweaked toml for crates.io crate asyncnsq 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate asyncnsq 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-12/source/tests/integrations_test.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c5832f409bf5e250a00a483d469cc4e566bdf0b7b03fe35cc8f2fe21d6d4f71
[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" "8c5832f409bf5e250a00a483d469cc4e566bdf0b7b03fe35cc8f2fe21d6d4f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c5832f409bf5e250a00a483d469cc4e566bdf0b7b03fe35cc8f2fe21d6d4f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5832f409bf5e250a00a483d469cc4e566bdf0b7b03fe35cc8f2fe21d6d4f71", kill_on_drop: false }`
[INFO] [stdout] 8c5832f409bf5e250a00a483d469cc4e566bdf0b7b03fe35cc8f2fe21d6d4f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c41cb7e48b5e94ff66328f1b39cc7cfae396cfa864e1fbd307806634b5f2c5a
[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" "6c41cb7e48b5e94ff66328f1b39cc7cfae396cfa864e1fbd307806634b5f2c5a", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
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[INFO] [stderr]    Compiling curl-sys v0.4.24
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[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde_derive v1.0.103
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[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling async-std v1.4.0
[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] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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]     = 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, A>::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, A>::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]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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] 
[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 2m 06s
[INFO] running `Command { std: "docker" "inspect" "6c41cb7e48b5e94ff66328f1b39cc7cfae396cfa864e1fbd307806634b5f2c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c41cb7e48b5e94ff66328f1b39cc7cfae396cfa864e1fbd307806634b5f2c5a", kill_on_drop: false }`
[INFO] [stdout] 6c41cb7e48b5e94ff66328f1b39cc7cfae396cfa864e1fbd307806634b5f2c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc27a20c91e455a5bf1a90ac0d06245ba2706c263092386b4fcebf0787fe220
[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" "fbc27a20c91e455a5bf1a90ac0d06245ba2706c263092386b4fcebf0787fe220", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/integrations_test.rs
[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] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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]     = 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, A>::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, A>::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]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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] 
[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]    Compiling asyncnsq v0.1.0 (/opt/rustwide/workdir)
[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]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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] 
[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: 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]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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] 
[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 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: `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: `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: 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 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] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stdout]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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]     = help: consider moving `handler` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[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: 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, A>::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, A>::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 4.86s
[INFO] running `Command { std: "docker" "inspect" "fbc27a20c91e455a5bf1a90ac0d06245ba2706c263092386b4fcebf0787fe220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc27a20c91e455a5bf1a90ac0d06245ba2706c263092386b4fcebf0787fe220", kill_on_drop: false }`
[INFO] [stdout] fbc27a20c91e455a5bf1a90ac0d06245ba2706c263092386b4fcebf0787fe220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94be21289e40ee80d881548cf1dedecf71ecf2d9e7459ae896991650a85f554f
[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" "94be21289e40ee80d881548cf1dedecf71ecf2d9e7459ae896991650a85f554f", 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]     Blocking waiting for file lock on package cache
[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: `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 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: `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] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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]     = 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/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/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: 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, A>::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, A>::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 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: `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 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: `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] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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]     = 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/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/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: 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, A>::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, A>::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]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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] 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]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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] 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]     |              ^^^^^^^
[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] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[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] 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]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/asyncnsq-ed84e6b6e4f6cadc
[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-bc8b16cb0dc628d6
[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-10f4cbcae504fa12
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/publish_test-ebbc2ddcbf24f709
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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: Other, error: VerboseError { source: Os { code: 101, kind: Other, message: "Network is unreachable" }, message: "could not connect to 10.64.146.231:4150" } }
[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/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:192:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55fb73253ee0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55fb73253ee0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55fb73253ee0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55fb73253ee0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55fb7327874c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55fb7324cec2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x55fb73256765 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55fb73256765 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55fb73256765 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55fb732562f2 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55fb73256f01 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x55fb73256a47 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x55fb7325439c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55fb732569a9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x55fb7325695b - std::panicking::begin_panic_fmt::h37a25c59c4d54517
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:435:5
[INFO] [stdout]   15:     0x55fb73137187 - test::assert_test_result::h1d9766248d0d0926
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:192:5
[INFO] [stdout]   16:     0x55fb73139873 - publish_test::test_publish::{{closure}}::hbf8e6fd2bf4504e1
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/publish_test.rs:8:1
[INFO] [stdout]   17:     0x55fb73140eae - core::ops::function::FnOnce::call_once::h1ccdaa2b8e372a51
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x55fb7316edb3 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55fb7316edb3 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:516:5
[INFO] [stdout]   20:     0x55fb7316d4a8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   21:     0x55fb7316d4a8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9
[INFO] [stdout]   22:     0x55fb7316d4a8 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40
[INFO] [stdout]   23:     0x55fb7316d4a8 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19
[INFO] [stdout]   24:     0x55fb7316d4a8 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14
[INFO] [stdout]   25:     0x55fb7316d4a8 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:538:18
[INFO] [stdout]   26:     0x55fb7316d4a8 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:449:39
[INFO] [stdout]   27:     0x55fb73147a96 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   28:     0x55fb7314c25d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   29:     0x55fb7314c25d - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9
[INFO] [stdout]   30:     0x55fb7314c25d - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40
[INFO] [stdout]   31:     0x55fb7314c25d - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19
[INFO] [stdout]   32:     0x55fb7314c25d - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14
[INFO] [stdout]   33:     0x55fb7314c25d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   34:     0x55fb7314c25d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   35:     0x55fb7325d0ea - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   36:     0x55fb7325d0ea - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   37:     0x55fb7325d0ea - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   38:     0x7f34be005609 - start_thread
[INFO] [stdout]   39:     0x7f34bddd5293 - clone
[INFO] [stdout]   40:                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" "94be21289e40ee80d881548cf1dedecf71ecf2d9e7459ae896991650a85f554f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94be21289e40ee80d881548cf1dedecf71ecf2d9e7459ae896991650a85f554f", kill_on_drop: false }`
[INFO] [stdout] 94be21289e40ee80d881548cf1dedecf71ecf2d9e7459ae896991650a85f554f