[INFO] cloning repository https://github.com/fnky/rust-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fnky/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnky%2Frust-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnky%2Frust-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0be15bdbb3e43f16f43bbf916c389ba75ddf4368
[INFO] checking fnky/rust-chat against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnky%2Frust-chat" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fnky/rust-chat 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/fnky/rust-chat
[INFO] finished tweaking git repo https://github.com/fnky/rust-chat
[INFO] tweaked toml for git repo https://github.com/fnky/rust-chat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fnky/rust-chat 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]     Updating git repository `https://github.com/carllerche/mio`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] c890032ca92e94b5293954c1143d97de0e935f4edaa09f1cdf89d7e3b83ad1e9
[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" "c890032ca92e94b5293954c1143d97de0e935f4edaa09f1cdf89d7e3b83ad1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c890032ca92e94b5293954c1143d97de0e935f4edaa09f1cdf89d7e3b83ad1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c890032ca92e94b5293954c1143d97de0e935f4edaa09f1cdf89d7e3b83ad1e9", kill_on_drop: false }`
[INFO] [stdout] c890032ca92e94b5293954c1143d97de0e935f4edaa09f1cdf89d7e3b83ad1e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e2162c4c6a876902153d89277d831f372f1ddc49af571ab187b4042c21b71c30
[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" "e2162c4c6a876902153d89277d831f372f1ddc49af571ab187b4042c21b71c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking mio v0.8.0 (https://github.com/carllerche/mio#25e8f911)
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | use mio::tcp::*;
[INFO] [stdout]    |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | use mio::tcp::*;
[INFO] [stdout]    |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]   --> src/main.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |       interest: EventSet::readable(),
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]   --> src/main.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |       interest: EventSet::readable(),
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]   --> src/main.rs:94:26
[INFO] [stdout]    |
[INFO] [stdout] 94 |     self.interest.remove(EventSet::writable());
[INFO] [stdout]    |                          ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]   --> src/main.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     self.interest.insert(EventSet::readable());
[INFO] [stdout]    |                          ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |             self.interest.remove(EventSet::readable());
[INFO] [stdout]     |                                  ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout] 118 |             self.interest.insert(EventSet::writable());
[INFO] [stdout]     |                                  ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:159:35
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   EventSet::readable(),
[INFO] [stdout]     |                       ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:160:35
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]   --> src/main.rs:94:26
[INFO] [stdout]    |
[INFO] [stdout] 94 |     self.interest.remove(EventSet::writable());
[INFO] [stdout]    |                          ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:160:53
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]   --> src/main.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |     self.interest.insert(EventSet::readable());
[INFO] [stdout]    |                          ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:168:33
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:168:51
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |             self.interest.remove(EventSet::readable());
[INFO] [stdout]     |                                  ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout] 118 |             self.interest.insert(EventSet::writable());
[INFO] [stdout]     |                                  ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:180:33
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:180:51
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpSocket`
[INFO] [stdout]    --> src/main.rs:191:23
[INFO] [stdout]     |
[INFO] [stdout] 191 |   let server_socket = TcpSocket::v4().unwrap();
[INFO] [stdout]     |                       ^^^^^^^^^ use of undeclared type `TcpSocket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventLoop`
[INFO] [stdout]    --> src/main.rs:198:24
[INFO] [stdout]     |
[INFO] [stdout] 198 |   let mut event_loop = EventLoop::new().unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ use of undeclared type `EventLoop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:208:27
[INFO] [stdout]     |
[INFO] [stdout] 208 |                           EventSet::readable(),
[INFO] [stdout]     |                           ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:209:27
[INFO] [stdout]     |
[INFO] [stdout] 209 |                           PollOpt::edge()).unwrap();
[INFO] [stdout]     |                           ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/main.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |   socket: TcpStream,
[INFO] [stdout]    |           ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in this scope
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |   interest: EventSet,
[INFO] [stdout]    |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/main.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn new(socket: TcpStream) -> WebSocketClient {
[INFO] [stdout]    |                  ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/main.rs:129:11
[INFO] [stdout]     |
[INFO] [stdout] 129 |   socket: TcpListener,
[INFO] [stdout]     |           ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Handler` in this scope
[INFO] [stdout]    --> src/main.rs:137:6
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Handler for WebSocketServer {
[INFO] [stdout]     |      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventLoop` in this scope
[INFO] [stdout]    --> src/main.rs:141:40
[INFO] [stdout]     |
[INFO] [stdout] 141 |   fn ready(&mut self, event_loop: &mut EventLoop<WebSocketServer>, token: Token, events: EventSet) {
[INFO] [stdout]     |                                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in this scope
[INFO] [stdout]    --> src/main.rs:141:90
[INFO] [stdout]     |
[INFO] [stdout] 141 |   fn ready(&mut self, event_loop: &mut EventLoop<WebSocketServer>, token: Token, events: EventSet) {
[INFO] [stdout]     |                                                                                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:159:35
[INFO] [stdout]     |
[INFO] [stdout] 159 | ...                   EventSet::readable(),
[INFO] [stdout]     |                       ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:160:35
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type `PollOpt`
[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[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:160:53
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:168:33
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:168:51
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:180:33
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:180:51
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stdout]     |                                         ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TcpSocket`
[INFO] [stdout]    --> src/main.rs:191:23
[INFO] [stdout]     |
[INFO] [stdout] 191 |   let server_socket = TcpSocket::v4().unwrap();
[INFO] [stdout]     |                       ^^^^^^^^^ use of undeclared type `TcpSocket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventLoop`
[INFO] [stdout]    --> src/main.rs:198:24
[INFO] [stdout]     |
[INFO] [stdout] 198 |   let mut event_loop = EventLoop::new().unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^ use of undeclared type `EventLoop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat`
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventSet`
[INFO] [stdout]    --> src/main.rs:208:27
[INFO] [stdout]     |
[INFO] [stdout] 208 |                           EventSet::readable(),
[INFO] [stdout]     |                           ^^^^^^^^ use of undeclared type `EventSet`
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error[E0433]: failed to resolve: use of undeclared type `PollOpt`
[INFO] [stdout]    --> src/main.rs:209:27
[INFO] [stdout]     |
[INFO] [stdout] 209 |                           PollOpt::edge()).unwrap();
[INFO] [stdout]     |                           ^^^^^^^ use of undeclared type `PollOpt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/main.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |   socket: TcpStream,
[INFO] [stdout]    |           ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in this scope
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |   interest: EventSet,
[INFO] [stdout]    |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/main.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |   fn new(socket: TcpStream) -> WebSocketClient {
[INFO] [stdout]    |                  ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stdout]    --> src/main.rs:129:11
[INFO] [stdout]     |
[INFO] [stdout] 129 |   socket: TcpListener,
[INFO] [stdout]     |           ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 6   | use std::net::TcpListener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Handler` in this scope
[INFO] [stdout]    --> src/main.rs:137:6
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Handler for WebSocketServer {
[INFO] [stdout]     |      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventLoop` in this scope
[INFO] [stdout]    --> src/main.rs:141:40
[INFO] [stdout]     |
[INFO] [stdout] 141 |   fn ready(&mut self, event_loop: &mut EventLoop<WebSocketServer>, token: Token, events: EventSet) {
[INFO] [stdout]     |                                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventSet` in this scope
[INFO] [stdout]    --> src/main.rs:141:90
[INFO] [stdout]     |
[INFO] [stdout] 141 |   fn ready(&mut self, event_loop: &mut EventLoop<WebSocketServer>, token: Token, events: EventSet) {
[INFO] [stdout]     |                                                                                          ^^^^^^^^ not found in this scope
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e2162c4c6a876902153d89277d831f372f1ddc49af571ab187b4042c21b71c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2162c4c6a876902153d89277d831f372f1ddc49af571ab187b4042c21b71c30", kill_on_drop: false }`
[INFO] [stdout] e2162c4c6a876902153d89277d831f372f1ddc49af571ab187b4042c21b71c30