[INFO] fetching crate utp2 0.1.0...
[INFO] building utp2-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate utp2 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate utp2 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a32c4e3770b17eba5d567f84c34f8d47db563a1c8d173e82c828490a5c5715d
[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" "4a32c4e3770b17eba5d567f84c34f8d47db563a1c8d173e82c828490a5c5715d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a32c4e3770b17eba5d567f84c34f8d47db563a1c8d173e82c828490a5c5715d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a32c4e3770b17eba5d567f84c34f8d47db563a1c8d173e82c828490a5c5715d", kill_on_drop: false }`
[INFO] [stdout] 4a32c4e3770b17eba5d567f84c34f8d47db563a1c8d173e82c828490a5c5715d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d38b17100fed612dee4c3b00584ccbb5de0facde3625d472e1ca244c65a98ce3
[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" "d38b17100fed612dee4c3b00584ccbb5de0facde3625d472e1ca244c65a98ce3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling log v0.3.9
[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:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             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:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         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 7.57s
[INFO] running `Command { std: "docker" "inspect" "d38b17100fed612dee4c3b00584ccbb5de0facde3625d472e1ca244c65a98ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38b17100fed612dee4c3b00584ccbb5de0facde3625d472e1ca244c65a98ce3", kill_on_drop: false }`
[INFO] [stdout] d38b17100fed612dee4c3b00584ccbb5de0facde3625d472e1ca244c65a98ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70455fbd10a930264e0f12635f02b530faa7fb01d95bdabecb4cd3dc26228861
[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" "70455fbd10a930264e0f12635f02b530faa7fb01d95bdabecb4cd3dc26228861", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[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:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             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:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         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 thread_local v0.3.6
[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/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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utp2`
[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] 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:728:13
[INFO] [stdout]     |
[INFO] [stdout] 728 |             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:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         try!(self.update_readiness());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "70455fbd10a930264e0f12635f02b530faa7fb01d95bdabecb4cd3dc26228861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70455fbd10a930264e0f12635f02b530faa7fb01d95bdabecb4cd3dc26228861", kill_on_drop: false }`
[INFO] [stdout] 70455fbd10a930264e0f12635f02b530faa7fb01d95bdabecb4cd3dc26228861
