[INFO] cloning repository https://github.com/south37/rust-websocket-connection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/south37/rust-websocket-connection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouth37%2Frust-websocket-connection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouth37%2Frust-websocket-connection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd9a253e1e9fbdd3d2b6d5b722f69be66f295f90
[INFO] checking south37/rust-websocket-connection against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouth37%2Frust-websocket-connection" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/south37/rust-websocket-connection on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/south37/rust-websocket-connection
[INFO] finished tweaking git repo https://github.com/south37/rust-websocket-connection
[INFO] tweaked toml for git repo https://github.com/south37/rust-websocket-connection written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/south37/rust-websocket-connection already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http-muncher v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e72a1e20d6c23e3ec42e1c356e8012d4cefb953c6c65cc231214503e9d1325cc
[INFO] running `Command { std: "docker" "start" "-a" "e72a1e20d6c23e3ec42e1c356e8012d4cefb953c6c65cc231214503e9d1325cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e72a1e20d6c23e3ec42e1c356e8012d4cefb953c6c65cc231214503e9d1325cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72a1e20d6c23e3ec42e1c356e8012d4cefb953c6c65cc231214503e9d1325cc", kill_on_drop: false }`
[INFO] [stdout] e72a1e20d6c23e3ec42e1c356e8012d4cefb953c6c65cc231214503e9d1325cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a995ea6c958fe996e772fbf85ebf9cb29d673c48efb4ae0f19c1f043fc09ae9
[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" "1a995ea6c958fe996e772fbf85ebf9cb29d673c48efb4ae0f19c1f043fc09ae9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking mio v0.8.0 (https://github.com/carllerche/mio#25e8f911)
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `mio::TryRead`, `mio::TryWrite`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mio::{TryRead, TryWrite};
[INFO] [stdout]   |           ^^^^^^^  ^^^^^^^^ no `TryWrite` in the root
[INFO] [stdout]   |           |
[INFO] [stdout]   |           no `TryRead` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::TryRead`, `mio::TryWrite`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mio::{TryRead, TryWrite};
[INFO] [stdout]   |           ^^^^^^^  ^^^^^^^^ no `TryWrite` in the root
[INFO] [stdout]   |           |
[INFO] [stdout]   |           no `TryRead` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]   --> src/main.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     socket: mio::tcp::TcpStream,
[INFO] [stdout]    |                  ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]   --> src/main.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     socket: mio::tcp::TcpStream,
[INFO] [stdout]    |                  ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         self.interest.remove(mio::EventSet::readable());
[INFO] [stdout]    |                                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:77:51
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         self.interest.insert(mio::EventSet::writable());
[INFO] [stdout]    |                                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:95:35
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.interest.remove(mio::EventSet::writable());
[INFO] [stdout]    |                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:96:35
[INFO] [stdout]    |
[INFO] [stdout] 96 |         self.interest.insert(mio::EventSet::readable());
[INFO] [stdout]    |                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]   --> src/main.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new(socket: mio::tcp::TcpStream) -> WebSocketClient {
[INFO] [stdout]    |                         ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]    --> src/main.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |             interest: mio::EventSet::readable(),
[INFO] [stdout]     |                            ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/main.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout] 117 |     socket: mio::tcp::TcpListener,
[INFO] [stdout]     |                  ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |                         self.interest.remove(mio::EventSet::readable());
[INFO] [stdout]    |                                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:77:51
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         self.interest.insert(mio::EventSet::writable());
[INFO] [stdout]    |                                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:95:35
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.interest.remove(mio::EventSet::writable());
[INFO] [stdout]    |                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]   --> src/main.rs:96:35
[INFO] [stdout]    |
[INFO] [stdout] 96 |         self.interest.insert(mio::EventSet::readable());
[INFO] [stdout]    |                                   ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]   --> src/main.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new(socket: mio::tcp::TcpStream) -> WebSocketClient {
[INFO] [stdout]    |                         ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]    --> src/main.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |             interest: mio::EventSet::readable(),
[INFO] [stdout]     |                            ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/main.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout] 117 |     socket: mio::tcp::TcpListener,
[INFO] [stdout]     |                  ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]    --> src/main.rs:149:46
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   mio::EventSet::readable(),
[INFO] [stdout]     |                            ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]    --> src/main.rs:149:46
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   mio::EventSet::readable(),
[INFO] [stdout]     |                            ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:150:46
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:150:69
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                                                   ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:150:46
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:159:46
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:159:69
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                                                   ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:150:69
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                                                   ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:159:46
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:171:63
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                                                   ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:159:69
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                                                   ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventLoop` in `mio`
[INFO] [stdout]    --> src/main.rs:178:31
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut event_loop = mio::EventLoop::new().unwrap();
[INFO] [stdout]     |                               ^^^^^^^^^ could not find `EventLoop` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]    --> src/main.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |                mio::EventSet::readable(),
[INFO] [stdout]     |                     ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:171:63
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   mio::PollOpt::edge() | mio::PollOpt::oneshot()
[INFO] [stdout]     |                                                   ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 |                mio::PollOpt::edge()).unwrap();
[INFO] [stdout]     |                     ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventLoop` in `mio`
[INFO] [stdout]    --> src/main.rs:178:31
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut event_loop = mio::EventLoop::new().unwrap();
[INFO] [stdout]     |                               ^^^^^^^^^ could not find `EventLoop` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in crate `mio`
[INFO] [stdout]   --> src/main.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     interest: mio::EventSet,
[INFO] [stdout]    |                    ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Handler` in crate `mio`
[INFO] [stdout]    --> src/main.rs:124:11
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl mio::Handler for WebSocketServer {
[INFO] [stdout]     |           ^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `EventSet` in `mio`
[INFO] [stdout]    --> src/main.rs:191:21
[INFO] [stdout]     |
[INFO] [stdout] 191 |                mio::EventSet::readable(),
[INFO] [stdout]     |                     ^^^^^^^^ could not find `EventSet` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventLoop` in crate `mio`
[INFO] [stdout]    --> src/main.rs:128:47
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn ready(&mut self, event_loop: &mut mio::EventLoop<WebSocketServer>,
[INFO] [stdout]     |                                               ^^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in crate `mio`
[INFO] [stdout]    --> src/main.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |              token: mio::Token, events: mio::EventSet)
[INFO] [stdout]     |                                              ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/main.rs:181:35
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let server_socket = mio::tcp::TcpListener::bind(&address).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^ not found in `mio::tcp`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/main.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 |                mio::PollOpt::edge()).unwrap();
[INFO] [stdout]     |                     ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in crate `mio`
[INFO] [stdout]   --> src/main.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     interest: mio::EventSet,
[INFO] [stdout]    |                    ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Handler` in crate `mio`
[INFO] [stdout]    --> src/main.rs:124:11
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl mio::Handler for WebSocketServer {
[INFO] [stdout]     |           ^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventLoop` in crate `mio`
[INFO] [stdout]    --> src/main.rs:128:47
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn ready(&mut self, event_loop: &mut mio::EventLoop<WebSocketServer>,
[INFO] [stdout]     |                                               ^^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in crate `mio`
[INFO] [stdout]    --> src/main.rs:129:46
[INFO] [stdout]     |
[INFO] [stdout] 129 |              token: mio::Token, events: mio::EventSet)
[INFO] [stdout]     |                                              ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/main.rs:181:35
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let server_socket = mio::tcp::TcpListener::bind(&address).unwrap();
[INFO] [stdout]     |                                   ^^^^^^^^^^^ not found in `mio::tcp`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 24 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 24 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1a995ea6c958fe996e772fbf85ebf9cb29d673c48efb4ae0f19c1f043fc09ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a995ea6c958fe996e772fbf85ebf9cb29d673c48efb4ae0f19c1f043fc09ae9", kill_on_drop: false }`
[INFO] [stdout] 1a995ea6c958fe996e772fbf85ebf9cb29d673c48efb4ae0f19c1f043fc09ae9