[INFO] crate asyncnsq 0.1.0 is already in cache
[INFO] checking asyncnsq-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate asyncnsq 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate asyncnsq 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-11/source/Cargo.toml
[INFO] crate crates.io crate asyncnsq 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-11/source/tests/integrations_test.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 28983126c5cf6e3672d60fdea4052efd28d9240c467a52a210dca3da9fe5f511
[INFO] running `"docker" "start" "-a" "28983126c5cf6e3672d60fdea4052efd28d9240c467a52a210dca3da9fe5f511"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/tests/integrations_test.rs
[INFO] [stderr]    Compiling libc v0.2.65
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[INFO] [stderr]     Checking asyncnsq v0.1.0 (/opt/rustwide/workdir)
[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] 192 | pub trait MsgHandler {
[INFO] [stderr]     |           ---------- this trait cannot be made into an object...
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ ...because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = help: consider moving `handler` to another trait
[INFO] [stderr] 
[INFO] [stderr] warning: 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: 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: the trait `MsgHandler` cannot be made into an object
[INFO] [stderr]    --> src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub trait MsgHandler {
[INFO] [stderr]     |           ---------- this trait cannot be made into an object...
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ ...because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr]     = help: consider moving `handler` to another trait
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/reader.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 132 | /         loop {
[INFO] [stderr] 133 | |             if let Some(mut raw_data) = raw_receiver.recv().await {
[INFO] [stderr] 134 | |                 all_data.append(&mut raw_data);
[INFO] [stderr] 135 | |             }
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |             }
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 196 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/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 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 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: 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 `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/reader.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/writer.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 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: 21 warnings emitted
[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 `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/reader.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]    --> src/writer.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 tmpbuf.split_off(n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `asyncnsq::MsgHandler` cannot be made into an object
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> tests/integrations_test.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 88  | /     loop {
[INFO] [stderr] 89  | |         let tt = TestMsg {
[INFO] [stderr] 90  | |             name: "ss".to_string(),
[INFO] [stderr] 91  | |         };
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |         task::sleep(Duration::from_secs(1)).await;
[INFO] [stderr] 108 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 109 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `asyncnsq::MsgHandler` cannot be made into an object
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/integrations_test.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut reader = subscribe(
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `asyncnsq::MsgHandler` cannot be made into an object
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:193:14
[INFO] [stderr]     |
[INFO] [stderr] 193 |     async fn handler(&self, msg: Msg) -> Option<Msg> {
[INFO] [stderr]     |              ^^^^^^^ the trait cannot be made into an object because method `handler` references the `Self` type in its `where` clause
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `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: 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: 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: 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: 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: 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: 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: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "28983126c5cf6e3672d60fdea4052efd28d9240c467a52a210dca3da9fe5f511"`
[INFO] running `"docker" "rm" "-f" "28983126c5cf6e3672d60fdea4052efd28d9240c467a52a210dca3da9fe5f511"`
[INFO] [stdout] 28983126c5cf6e3672d60fdea4052efd28d9240c467a52a210dca3da9fe5f511