[INFO] fetching crate utp2 0.1.0...
[INFO] testing utp2-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate utp2 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate utp2 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utp2 0.1.0
[INFO] finished tweaking crates.io crate utp2 0.1.0
[INFO] tweaked toml for crates.io crate utp2 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 242f7501ebe13adeca4923dd10eebf3c9b2badf8c80af48768e3e115374347ad
[INFO] running `Command { std: "docker" "start" "-a" "242f7501ebe13adeca4923dd10eebf3c9b2badf8c80af48768e3e115374347ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "242f7501ebe13adeca4923dd10eebf3c9b2badf8c80af48768e3e115374347ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242f7501ebe13adeca4923dd10eebf3c9b2badf8c80af48768e3e115374347ad", kill_on_drop: false }`
[INFO] [stdout] 242f7501ebe13adeca4923dd10eebf3c9b2badf8c80af48768e3e115374347ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ec26d7039894f4b398312b686ebe353d8ab23d69b26ec1dbd28fc0789defce
[INFO] running `Command { std: "docker" "start" "-a" "76ec26d7039894f4b398312b686ebe353d8ab23d69b26ec1dbd28fc0789defce", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling utp2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/in_queue.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let n = try!(buf.read(dst));
[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/socket.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     try!(connection.update_readiness());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:372:17
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 try!(self.listener.set_readiness(Ready::empty()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(self.connections[idx].tick(&mut self.shared));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:559:29
[INFO] [stdout]     |
[INFO] [stdout] 559 | ...                   try!(conn.process(packet, &mut self.shared))
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 654 |         try!(self.listener.set_readiness(Ready::readable()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:665:29
[INFO] [stdout]     |
[INFO] [stdout] 665 |             let (n, addr) = try!(self.shared.socket.recv_from(self.in_buf.bytes_mut()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:671:22
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let packet = try!(Packet::parse(self.in_buf.take()));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         try!(self.update_readiness());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             try!(self.update_readiness());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/util.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "76ec26d7039894f4b398312b686ebe353d8ab23d69b26ec1dbd28fc0789defce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ec26d7039894f4b398312b686ebe353d8ab23d69b26ec1dbd28fc0789defce", kill_on_drop: false }`
[INFO] [stdout] 76ec26d7039894f4b398312b686ebe353d8ab23d69b26ec1dbd28fc0789defce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17523d4ef4f82599081f7efe3263aa4ae6d8611566d07cf8853927ea28a99b9c
[INFO] running `Command { std: "docker" "start" "-a" "17523d4ef4f82599081f7efe3263aa4ae6d8611566d07cf8853927ea28a99b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/in_queue.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let n = try!(buf.read(dst));
[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/socket.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     try!(connection.update_readiness());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:372:17
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 try!(self.listener.set_readiness(Ready::empty()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(self.connections[idx].tick(&mut self.shared));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:559:29
[INFO] [stdout]     |
[INFO] [stdout] 559 | ...                   try!(conn.process(packet, &mut self.shared))
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 654 |         try!(self.listener.set_readiness(Ready::readable()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:665:29
[INFO] [stdout]     |
[INFO] [stdout] 665 |             let (n, addr) = try!(self.shared.socket.recv_from(self.in_buf.bytes_mut()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:671:22
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let packet = try!(Packet::parse(self.in_buf.take()));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         try!(self.update_readiness());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             try!(self.update_readiness());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/util.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling utp2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `utp`
[INFO] [stdout]  --> examples/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate utp;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `utp`
[INFO] [stdout]  --> examples/client.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate utp;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UtpSocket`
[INFO] [stdout]   --> examples/server.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let (socket, listener) = UtpSocket::bind(&addr).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^ use of undeclared type `UtpSocket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UtpSocket`
[INFO] [stdout]   --> examples/client.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (socket, _) = UtpSocket::bind(&local_addr).unwrap();
[INFO] [stdout]    |                       ^^^^^^^^^ use of undeclared type `UtpSocket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/in_queue.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let n = try!(buf.read(dst));
[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/socket.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     try!(connection.update_readiness());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:372:17
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 try!(self.listener.set_readiness(Ready::empty()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(self.connections[idx].tick(&mut self.shared));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:559:29
[INFO] [stdout]     |
[INFO] [stdout] 559 | ...                   try!(conn.process(packet, &mut self.shared))
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 654 |         try!(self.listener.set_readiness(Ready::readable()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:665:29
[INFO] [stdout]     |
[INFO] [stdout] 665 |             let (n, addr) = try!(self.shared.socket.recv_from(self.in_buf.bytes_mut()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:671:22
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let packet = try!(Packet::parse(self.in_buf.take()));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         try!(self.update_readiness());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             try!(self.update_readiness());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/server.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {
[INFO] [stdout]    |                             ^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 56 |                         let sock = unwrap_nb!(listener.accept());
[INFO] [stdout]    |                                    ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unwrap_nb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utp2` (example "client") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/server.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {
[INFO] [stdout]    |                             ^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 71 |                             let n = unwrap_nb!(connections[&token].read(&mut buf));
[INFO] [stdout]    |                                     ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unwrap_nb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utp2` (example "server") due to 5 previous errors
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17523d4ef4f82599081f7efe3263aa4ae6d8611566d07cf8853927ea28a99b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17523d4ef4f82599081f7efe3263aa4ae6d8611566d07cf8853927ea28a99b9c", kill_on_drop: false }`
[INFO] [stdout] 17523d4ef4f82599081f7efe3263aa4ae6d8611566d07cf8853927ea28a99b9c
[INFO] testing utp2-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate utp2 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate utp2 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utp2 0.1.0
[INFO] finished tweaking crates.io crate utp2 0.1.0
[INFO] tweaked toml for crates.io crate utp2 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7fdf5ac0d0d1f0fe99484ee9f08d71167d9b4091feb79852d30b648b5f258a7
[INFO] running `Command { std: "docker" "start" "-a" "f7fdf5ac0d0d1f0fe99484ee9f08d71167d9b4091feb79852d30b648b5f258a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7fdf5ac0d0d1f0fe99484ee9f08d71167d9b4091feb79852d30b648b5f258a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7fdf5ac0d0d1f0fe99484ee9f08d71167d9b4091feb79852d30b648b5f258a7", kill_on_drop: false }`
[INFO] [stdout] f7fdf5ac0d0d1f0fe99484ee9f08d71167d9b4091feb79852d30b648b5f258a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 839ad05351da19b734f826423eb9e9b59daee90fdb4028f089b0e2b4c6df39ee
[INFO] running `Command { std: "docker" "start" "-a" "839ad05351da19b734f826423eb9e9b59daee90fdb4028f089b0e2b4c6df39ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling utp2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/in_queue.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let n = try!(buf.read(dst));
[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/socket.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     try!(connection.update_readiness());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:372:17
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 try!(self.listener.set_readiness(Ready::empty()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(self.connections[idx].tick(&mut self.shared));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:559:29
[INFO] [stdout]     |
[INFO] [stdout] 559 | ...                   try!(conn.process(packet, &mut self.shared))
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 654 |         try!(self.listener.set_readiness(Ready::readable()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:665:29
[INFO] [stdout]     |
[INFO] [stdout] 665 |             let (n, addr) = try!(self.shared.socket.recv_from(self.in_buf.bytes_mut()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:671:22
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let packet = try!(Packet::parse(self.in_buf.take()));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         try!(self.update_readiness());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             try!(self.update_readiness());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/util.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "839ad05351da19b734f826423eb9e9b59daee90fdb4028f089b0e2b4c6df39ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839ad05351da19b734f826423eb9e9b59daee90fdb4028f089b0e2b4c6df39ee", kill_on_drop: false }`
[INFO] [stdout] 839ad05351da19b734f826423eb9e9b59daee90fdb4028f089b0e2b4c6df39ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ca8c79e72ccb13f76a3c45f132a23a87a76ae14f86c5aaf4d424f11b8c5dee
[INFO] running `Command { std: "docker" "start" "-a" "92ca8c79e72ccb13f76a3c45f132a23a87a76ae14f86c5aaf4d424f11b8c5dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/in_queue.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let n = try!(buf.read(dst));
[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/socket.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     try!(connection.update_readiness());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:372:17
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 try!(self.listener.set_readiness(Ready::empty()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(self.connections[idx].tick(&mut self.shared));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:559:29
[INFO] [stdout]     |
[INFO] [stdout] 559 | ...                   try!(conn.process(packet, &mut self.shared))
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 654 |         try!(self.listener.set_readiness(Ready::readable()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:665:29
[INFO] [stdout]     |
[INFO] [stdout] 665 |             let (n, addr) = try!(self.shared.socket.recv_from(self.in_buf.bytes_mut()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:671:22
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let packet = try!(Packet::parse(self.in_buf.take()));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         try!(self.update_readiness());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             try!(self.update_readiness());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/util.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling utp2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `utp`
[INFO] [stdout]  --> examples/server.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate utp;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `utp`
[INFO] [stdout]  --> examples/client.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate utp;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UtpSocket`
[INFO] [stdout]   --> examples/server.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let (socket, listener) = UtpSocket::bind(&addr).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^ use of undeclared type `UtpSocket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UtpSocket`
[INFO] [stdout]   --> examples/client.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (socket, _) = UtpSocket::bind(&local_addr).unwrap();
[INFO] [stdout]    |                       ^^^^^^^^^ use of undeclared type `UtpSocket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/server.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {
[INFO] [stdout]    |                             ^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 56 |                         let sock = unwrap_nb!(listener.accept());
[INFO] [stdout]    |                                    ----------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unwrap_nb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/in_queue.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let n = try!(buf.read(dst));
[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/socket.rs:294:21
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     try!(connection.update_readiness());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:372:17
[INFO] [stdout]     |
[INFO] [stdout] 372 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:378:17
[INFO] [stdout]     |
[INFO] [stdout] 378 |                 try!(self.listener.set_readiness(Ready::empty()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:398:17
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |                 try!(conn.update_readiness());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(self.connections[idx].tick(&mut self.shared));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:559:29
[INFO] [stdout]     |
[INFO] [stdout] 559 | ...                   try!(conn.process(packet, &mut self.shared))
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:654:9
[INFO] [stdout]     |
[INFO] [stdout] 654 |         try!(self.listener.set_readiness(Ready::readable()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:665:29
[INFO] [stdout]     |
[INFO] [stdout] 665 |             let (n, addr) = try!(self.shared.socket.recv_from(self.in_buf.bytes_mut()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:671:22
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let packet = try!(Packet::parse(self.in_buf.take()));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         try!(self.update_readiness());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             try!(self.update_readiness());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utp2` (example "client") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/server.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {
[INFO] [stdout]    |                             ^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 71 |                             let n = unwrap_nb!(connections[&token].read(&mut buf));
[INFO] [stdout]    |                                     ---------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unwrap_nb` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utp2` (example "server") due to 5 previous errors
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92ca8c79e72ccb13f76a3c45f132a23a87a76ae14f86c5aaf4d424f11b8c5dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ca8c79e72ccb13f76a3c45f132a23a87a76ae14f86c5aaf4d424f11b8c5dee", kill_on_drop: false }`
[INFO] [stdout] 92ca8c79e72ccb13f76a3c45f132a23a87a76ae14f86c5aaf4d424f11b8c5dee
