[INFO] cloning repository https://github.com/scraggelz/tokio-timer-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scraggelz/tokio-timer-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscraggelz%2Ftokio-timer-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscraggelz%2Ftokio-timer-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9542a17b8082a42eb5b712f49ea6ae41a9a4d0c1
[INFO] testing scraggelz/tokio-timer-example against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscraggelz%2Ftokio-timer-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scraggelz/tokio-timer-example on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scraggelz/tokio-timer-example
[INFO] finished tweaking git repo https://github.com/scraggelz/tokio-timer-example
[INFO] tweaked toml for git repo https://github.com/scraggelz/tokio-timer-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/scraggelz/tokio-timer-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 4bada58fc707ad5d7d56e65ab8783979eaa2d95ae40f6578d0c8f1867e8aa4fc
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[INFO] [stderr]    Compiling futures-io v0.3.14
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[INFO] [stderr]    Compiling itoa v0.4.7
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[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling tinyvec v1.2.0
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[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling futures-util v0.3.14
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[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling tokio-tungstenite v0.14.0
[INFO] [stderr]    Compiling tokio_timer_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::oneshot`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::oneshot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stdout]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recieved_stop`
[INFO] [stdout]   --> src/server.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Tx`
[INFO] [stdout]   --> src/server.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Tx = UnboundedSender<Message>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PeerMap`
[INFO] [stdout]   --> src/server.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | type PeerMap = Arc<Mutex<HashMap<SocketAddr, Tx>>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]   --> src/server.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_whitespace`
[INFO] [stdout]   --> src/server.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn remove_whitespace(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/server.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | async fn handle_connection(peer_map: PeerMap, raw_stream: TcpStream, addr: SocketAddr) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_stdin`
[INFO] [stdout]   --> src/client.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | async fn read_stdin(tx: futures_channel::mpsc::UnboundedSender<Message>) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             stop_start_write.send("stop");
[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: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `pin_mut`
[INFO] [stdout]  --> src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_util::{future, pin_mut, StreamExt};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::task;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::oneshot`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::oneshot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writing_future`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let writing_future = tokio::spawn(async move {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writing_future`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             write.unbounded_send(data);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stdout]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recieved_stop`
[INFO] [stdout]   --> src/server.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]   --> src/server.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             stop_start_write.send("stop");
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.58s
[INFO] running `Command { std: "docker" "inspect" "4bada58fc707ad5d7d56e65ab8783979eaa2d95ae40f6578d0c8f1867e8aa4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bada58fc707ad5d7d56e65ab8783979eaa2d95ae40f6578d0c8f1867e8aa4fc", kill_on_drop: false }`
[INFO] [stdout] 4bada58fc707ad5d7d56e65ab8783979eaa2d95ae40f6578d0c8f1867e8aa4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb9a4f09a5106f19c4664a0b9d61f63a1f918b0d452332faaeaa09259245598c
[INFO] running `Command { std: "docker" "start" "-a" "bb9a4f09a5106f19c4664a0b9d61f63a1f918b0d452332faaeaa09259245598c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio_timer_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::oneshot`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::oneshot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stdout]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recieved_stop`
[INFO] [stdout]   --> src/server.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Tx`
[INFO] [stdout]   --> src/server.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Tx = UnboundedSender<Message>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PeerMap`
[INFO] [stdout]   --> src/server.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | type PeerMap = Arc<Mutex<HashMap<SocketAddr, Tx>>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]   --> src/server.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_whitespace`
[INFO] [stdout]   --> src/server.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn remove_whitespace(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/server.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | async fn handle_connection(peer_map: PeerMap, raw_stream: TcpStream, addr: SocketAddr) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_stdin`
[INFO] [stdout]   --> src/client.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | async fn read_stdin(tx: futures_channel::mpsc::UnboundedSender<Message>) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             stop_start_write.send("stop");
[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: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::oneshot`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::oneshot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stdout]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `future`, `pin_mut`
[INFO] [stdout]  --> src/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_util::{future, pin_mut, StreamExt};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::task;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/server.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::oneshot`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use tokio::sync::oneshot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writing_future`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let writing_future = tokio::spawn(async move {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writing_future`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recieved_stop`
[INFO] [stdout]   --> src/server.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             write.unbounded_send(data);
[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: type alias is never used: `Tx`
[INFO] [stdout]   --> src/server.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Tx = UnboundedSender<Message>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PeerMap`
[INFO] [stdout]   --> src/server.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | type PeerMap = Arc<Mutex<HashMap<SocketAddr, Tx>>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]   --> src/server.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_whitespace`
[INFO] [stdout]   --> src/server.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn remove_whitespace(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_connection`
[INFO] [stdout]   --> src/server.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | async fn handle_connection(peer_map: PeerMap, raw_stream: TcpStream, addr: SocketAddr) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_stdin`
[INFO] [stdout]   --> src/client.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | async fn read_stdin(tx: futures_channel::mpsc::UnboundedSender<Message>) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             stop_start_write.send("stop");
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stdout]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recieved_stop`
[INFO] [stdout]   --> src/server.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut recieved_stop  = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_of`
[INFO] [stdout]   --> src/server.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             stop_start_write.send("stop");
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "bb9a4f09a5106f19c4664a0b9d61f63a1f918b0d452332faaeaa09259245598c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9a4f09a5106f19c4664a0b9d61f63a1f918b0d452332faaeaa09259245598c", kill_on_drop: false }`
[INFO] [stdout] bb9a4f09a5106f19c4664a0b9d61f63a1f918b0d452332faaeaa09259245598c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 757f9c3d4e5e1da518204248de71250c33730e4066d2f82e913c06bb3282e094
[INFO] running `Command { std: "docker" "start" "-a" "757f9c3d4e5e1da518204248de71250c33730e4066d2f82e913c06bb3282e094", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tokio::time::timeout`
[INFO] [stderr]   --> src/server.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use tokio::time::timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::oneshot`
[INFO] [stderr]   --> src/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use tokio::sync::oneshot;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut recieved_stop  = false;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stderr]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/server.rs:60:27
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recieved_stop`
[INFO] [stderr]   --> src/server.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut recieved_stop  = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Tx`
[INFO] [stderr]   --> src/server.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | type Tx = UnboundedSender<Message>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PeerMap`
[INFO] [stderr]   --> src/server.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | type PeerMap = Arc<Mutex<HashMap<SocketAddr, Tx>>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `type_of`
[INFO] [stderr]   --> src/server.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_whitespace`
[INFO] [stderr]   --> src/server.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn remove_whitespace(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_connection`
[INFO] [stderr]   --> src/server.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | async fn handle_connection(peer_map: PeerMap, raw_stream: TcpStream, addr: SocketAddr) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_stdin`
[INFO] [stderr]   --> src/client.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 | async fn read_stdin(tx: futures_channel::mpsc::UnboundedSender<Message>) {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/server.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_closure)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/server.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_closure)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             stop_start_write.send("stop");
[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: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::time::timeout`
[INFO] [stderr]   --> src/server.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use tokio::time::timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::oneshot`
[INFO] [stderr]   --> src/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use tokio::sync::oneshot;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut recieved_stop  = false;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stderr]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/server.rs:60:27
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recieved_stop`
[INFO] [stderr]   --> src/server.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut recieved_stop  = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Tx`
[INFO] [stderr]   --> src/server.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | type Tx = UnboundedSender<Message>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PeerMap`
[INFO] [stderr]   --> src/server.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | type PeerMap = Arc<Mutex<HashMap<SocketAddr, Tx>>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `type_of`
[INFO] [stderr]   --> src/server.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_whitespace`
[INFO] [stderr]   --> src/server.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn remove_whitespace(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_connection`
[INFO] [stderr]   --> src/server.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 | async fn handle_connection(peer_map: PeerMap, raw_stream: TcpStream, addr: SocketAddr) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_stdin`
[INFO] [stderr]   --> src/client.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 | async fn read_stdin(tx: futures_channel::mpsc::UnboundedSender<Message>) {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/server.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_closure)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/server.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_closure)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             stop_start_write.send("stop");
[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: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::time::timeout`
[INFO] [stderr]   --> src/server.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use tokio::time::timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::oneshot`
[INFO] [stderr]   --> src/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use tokio::sync::oneshot;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let mut stop_start_read_inner = stop_start_read.clone();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut recieved_stop  = false;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/server.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded();
[INFO] [stderr]    |                            ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/server.rs:60:27
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) {
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recieved_stop`
[INFO] [stderr]   --> src/server.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut recieved_stop  = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `type_of`
[INFO] [stderr]   --> src/server.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn type_of<T>(_: T) -> &'static str {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             stop_start_write.send("stop");
[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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `future`, `pin_mut`
[INFO] [stderr]  --> src/main.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures_util::{future, pin_mut, StreamExt};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::task`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio::task;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `writing_future`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let writing_future = tokio::spawn(async move {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writing_future`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             write.unbounded_send(data);
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_timer_example-9a7e460c097e55c1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-5f770f8dcf9ced54)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-3eb6cd1eac013243)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-5071541d3efc1663)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio_timer_example
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "757f9c3d4e5e1da518204248de71250c33730e4066d2f82e913c06bb3282e094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757f9c3d4e5e1da518204248de71250c33730e4066d2f82e913c06bb3282e094", kill_on_drop: false }`
[INFO] [stdout] 757f9c3d4e5e1da518204248de71250c33730e4066d2f82e913c06bb3282e094