[INFO] fetching crate tcp-loop 0.1.1...
[INFO] checking tcp-loop-0.1.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate tcp-loop 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tcp-loop 0.1.1 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 crates.io crate tcp-loop 0.1.1
[INFO] finished tweaking crates.io crate tcp-loop 0.1.1
[INFO] tweaked toml for crates.io crate tcp-loop 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 57b83fcca65b905566941910078230c932f4c6b6ccd572d630cf355d41ba2a58
[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" "57b83fcca65b905566941910078230c932f4c6b6ccd572d630cf355d41ba2a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57b83fcca65b905566941910078230c932f4c6b6ccd572d630cf355d41ba2a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b83fcca65b905566941910078230c932f4c6b6ccd572d630cf355d41ba2a58", kill_on_drop: false }`
[INFO] [stdout] 57b83fcca65b905566941910078230c932f4c6b6ccd572d630cf355d41ba2a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] efdf980b1889c8b8c384129fd14eb81a9325d0d8fca84ef8a91664d6c151fe13
[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" "efdf980b1889c8b8c384129fd14eb81a9325d0d8fca84ef8a91664d6c151fe13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking tcp-loop v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]  --> src/loop_/handler/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::tcp::TcpStream;
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::TryRead`, `mio::TryWrite`
[INFO] [stdout]  --> src/loop_/handler/client.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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 import `mio::tcp`
[INFO] [stdout]  --> src/loop_/handler/listener.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::tcp::TcpListener;
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::tcp`
[INFO] [stdout]  --> src/loop_/handler/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::tcp::TcpStream;
[INFO] [stdout]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::TryRead`, `mio::TryWrite`
[INFO] [stdout]  --> src/loop_/handler/client.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | 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 import `mio::tcp`
[INFO] [stdout]  --> src/loop_/handler/listener.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use 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 `PollOpt` in `mio`
[INFO] [stdout]   --> src/loop_/handler/mod.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         mio::PollOpt::level()
[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/loop_/handler/mod.rs:115:34
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   mio::PollOpt::level()
[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/loop_/handler/mod.rs:139:34
[INFO] [stdout]     |
[INFO] [stdout] 139 | ...                   mio::PollOpt::level()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let listener = try!(mio::tcp::listen(&addr));
[INFO] [stdout]     |                                  ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:167:18
[INFO] [stdout]     |
[INFO] [stdout] 167 |             mio::PollOpt::level()
[INFO] [stdout]     |                  ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:191:43
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let (stream, waiting) = try!(mio::tcp::connect(&addr));
[INFO] [stdout]     |                                           ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 mio::PollOpt::level()
[INFO] [stdout]     |                      ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ReadHint` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:355:39
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 if hint.contains(mio::ReadHint::error()) {
[INFO] [stdout]     |                                       ^^^^^^^^ could not find `ReadHint` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ReadHint` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:391:39
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 if hint.contains(mio::ReadHint::hup()) {
[INFO] [stdout]     |                                       ^^^^^^^^ could not find `ReadHint` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]   --> src/loop_/handler/mod.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         mio::PollOpt::level()
[INFO] [stdout]    |              ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]  --> src/loop_/handler/listener.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     listener: mio::NonBlock<TcpListener>,
[INFO] [stdout]   |                    ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new (listener: mio::NonBlock<TcpListener>) -> Listener {
[INFO] [stdout]    |                                ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Target = mio::NonBlock<TcpListener>;
[INFO] [stdout]    |                        ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn deref (&self) -> &mio::NonBlock<TcpListener> {
[INFO] [stdout]    |                               ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:115:34
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   mio::PollOpt::level()
[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/loop_/handler/mod.rs:139:34
[INFO] [stdout]     |
[INFO] [stdout] 139 | ...                   mio::PollOpt::level()
[INFO] [stdout]     |                            ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn deref_mut (&mut self) -> &mut mio::NonBlock<TcpListener> {
[INFO] [stdout]    |                                           ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type Stream   = mio::NonBlock<TcpStream>;
[INFO] [stdout]    |                          ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in crate `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:347:77
[INFO] [stdout]     |
[INFO] [stdout] 347 |     fn readable (&mut self, eloop: &mut EventLoop, token: Token, hint: mio::ReadHint) -> Result<Action, Error> {
[INFO] [stdout]     |                                                                             ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Handler` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:439:22
[INFO] [stdout]     |
[INFO] [stdout] 439 |                 mio::Handler::notify(self, eloop, InputMessage::Close { token: token, dirty: true });
[INFO] [stdout]     |                      ^^^^^^^ not found in `mio`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use loop_::Handler;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Handler` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:445:22
[INFO] [stdout]     |
[INFO] [stdout] 445 |                 mio::Handler::notify(self, eloop, InputMessage::Close { token: token, dirty: false });
[INFO] [stdout]     |                      ^^^^^^^ not found in `mio`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use loop_::Handler;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Handler` in crate `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:461:11
[INFO] [stdout]     |
[INFO] [stdout] 461 | impl mio::Handler for Handler {
[INFO] [stdout]     |           ^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in crate `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:465:77
[INFO] [stdout]     |
[INFO] [stdout] 465 |     fn readable (&mut self, eloop: &mut EventLoop, token: Token, hint: mio::ReadHint) {
[INFO] [stdout]     |                                                                             ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventLoop` in crate `mio`
[INFO] [stdout]   --> src/loop_/mod.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type EventLoop = mio::EventLoop<Handler>;
[INFO] [stdout]    |                           ^^^^^^^^^ not found in `mio`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use loop_::handler::EventLoop;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in crate `mio`
[INFO] [stdout]   --> src/loop_/mod.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn channel (&self) -> mio::Sender<InputMessage> {
[INFO] [stdout]    |                                    ^^^^^^ not found in `mio`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let listener = try!(mio::tcp::listen(&addr));
[INFO] [stdout]     |                                  ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/handler/client.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |         while let Some(read) = try!(self.stream.read_slice(buf)) {
[INFO] [stdout]    |                                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/handler/client.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         match try!(self.stream.write_slice(&self.write_buffer[..])) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_/handler/mod.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |     factory:         Box<TokenFactory + 'static>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenFactory + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:160:24
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let listener = try!(mio::tcp::listen(&addr));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:167:18
[INFO] [stdout]     |
[INFO] [stdout] 167 |             mio::PollOpt::level()
[INFO] [stdout]     |                  ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let (stream, waiting) = try!(mio::tcp::connect(&addr));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             try!(new_client(&mut self.clients, eloop, token, addr, stream));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:328:21
[INFO] [stdout]     |
[INFO] [stdout] 328 |                     try!(new_client(&mut self.clients, eloop, token, addr.clone(), stream));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(new_client(&mut self.clients, eloop, token, addr, stream));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/mod.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let eloop = try!(EventLoop::new());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Ok(try!(self.eloop.run(&mut self.handler)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `tcp` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:191:43
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let (stream, waiting) = try!(mio::tcp::connect(&addr));
[INFO] [stdout]     |                                           ^^^ could not find `tcp` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `PollOpt` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 mio::PollOpt::level()
[INFO] [stdout]     |                      ^^^^^^^ could not find `PollOpt` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ReadHint` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:355:39
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 if hint.contains(mio::ReadHint::error()) {
[INFO] [stdout]     |                                       ^^^^^^^^ could not find `ReadHint` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ReadHint` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:391:39
[INFO] [stdout]     |
[INFO] [stdout] 391 |                 if hint.contains(mio::ReadHint::hup()) {
[INFO] [stdout]     |                                       ^^^^^^^^ could not find `ReadHint` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]  --> src/loop_/handler/listener.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     listener: mio::NonBlock<TcpListener>,
[INFO] [stdout]   |                    ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new (listener: mio::NonBlock<TcpListener>) -> Listener {
[INFO] [stdout]    |                                ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Target = mio::NonBlock<TcpListener>;
[INFO] [stdout]    |                        ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn deref (&self) -> &mio::NonBlock<TcpListener> {
[INFO] [stdout]    |                               ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/listener.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn deref_mut (&mut self) -> &mut mio::NonBlock<TcpListener> {
[INFO] [stdout]    |                                           ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NonBlock` in crate `mio`
[INFO] [stdout]   --> src/loop_/handler/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type Stream   = mio::NonBlock<TcpStream>;
[INFO] [stdout]    |                          ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in crate `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:347:77
[INFO] [stdout]     |
[INFO] [stdout] 347 |     fn readable (&mut self, eloop: &mut EventLoop, token: Token, hint: mio::ReadHint) -> Result<Action, Error> {
[INFO] [stdout]     |                                                                             ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Handler` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:439:22
[INFO] [stdout]     |
[INFO] [stdout] 439 |                 mio::Handler::notify(self, eloop, InputMessage::Close { token: token, dirty: true });
[INFO] [stdout]     |                      ^^^^^^^ not found in `mio`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use loop_::Handler;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Handler` in `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:445:22
[INFO] [stdout]     |
[INFO] [stdout] 445 |                 mio::Handler::notify(self, eloop, InputMessage::Close { token: token, dirty: false });
[INFO] [stdout]     |                      ^^^^^^^ not found in `mio`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use loop_::Handler;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Handler` in crate `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:461:11
[INFO] [stdout]     |
[INFO] [stdout] 461 | impl mio::Handler for Handler {
[INFO] [stdout]     |           ^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in crate `mio`
[INFO] [stdout]    --> src/loop_/handler/mod.rs:465:77
[INFO] [stdout]     |
[INFO] [stdout] 465 |     fn readable (&mut self, eloop: &mut EventLoop, token: Token, hint: mio::ReadHint) {
[INFO] [stdout]     |                                                                             ^^^^^^^^ not found in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `EventLoop` in crate `mio`
[INFO] [stdout]   --> src/loop_/mod.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type EventLoop = mio::EventLoop<Handler>;
[INFO] [stdout]    |                           ^^^^^^^^^ not found in `mio`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 1  | use loop_::handler::EventLoop;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in crate `mio`
[INFO] [stdout]   --> src/loop_/mod.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn channel (&self) -> mio::Sender<InputMessage> {
[INFO] [stdout]    |                                    ^^^^^^ not found in `mio`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors; 10 warnings emitted
[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] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/handler/client.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 |         while let Some(read) = try!(self.stream.read_slice(buf)) {
[INFO] [stdout]    |                                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/handler/client.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         match try!(self.stream.write_slice(&self.write_buffer[..])) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loop_/handler/mod.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |     factory:         Box<TokenFactory + 'static>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenFactory + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:160:24
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let listener = try!(mio::tcp::listen(&addr));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let (stream, waiting) = try!(mio::tcp::connect(&addr));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             try!(new_client(&mut self.clients, eloop, token, addr, stream));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:328:21
[INFO] [stdout]     |
[INFO] [stdout] 328 |                     try!(new_client(&mut self.clients, eloop, token, addr.clone(), stream));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/loop_/handler/mod.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 try!(new_client(&mut self.clients, eloop, token, addr, stream));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/mod.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let eloop = try!(EventLoop::new());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/loop_/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Ok(try!(self.eloop.run(&mut self.handler)))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcp-loop`
[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: aborting due to 25 previous errors; 10 warnings emitted
[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" "efdf980b1889c8b8c384129fd14eb81a9325d0d8fca84ef8a91664d6c151fe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efdf980b1889c8b8c384129fd14eb81a9325d0d8fca84ef8a91664d6c151fe13", kill_on_drop: false }`
[INFO] [stdout] efdf980b1889c8b8c384129fd14eb81a9325d0d8fca84ef8a91664d6c151fe13