[INFO] fetching crate utp 0.7.0...
[INFO] checking utp-0.7.0 against beta for pr-78714
[INFO] extracting crate utp 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate utp 0.7.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utp 0.7.0
[INFO] finished tweaking crates.io crate utp 0.7.0
[INFO] tweaked toml for crates.io crate utp 0.7.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d579bd18ea61e437eccb3ee77e81942b4d956bee9afddd79d2cb8a95741d287a
[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" "d579bd18ea61e437eccb3ee77e81942b4d956bee9afddd79d2cb8a95741d287a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d579bd18ea61e437eccb3ee77e81942b4d956bee9afddd79d2cb8a95741d287a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d579bd18ea61e437eccb3ee77e81942b4d956bee9afddd79d2cb8a95741d287a", kill_on_drop: false }`
[INFO] [stdout] d579bd18ea61e437eccb3ee77e81942b4d956bee9afddd79d2cb8a95741d287a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d71667682022334a54c4aac48984d819c64c610f86a0fb1a47f139a6d85efed8
[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" "d71667682022334a54c4aac48984d819c64c610f86a0fb1a47f139a6d85efed8", kill_on_drop: false }`
[INFO] [stderr]     Checking utp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let addr = try!(take_address(other));
[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:238:26
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let mut socket = try!(UtpSocket::bind(my_addr));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |             try!(socket.socket.send_to(packet.as_ref(), socket.connected_to));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let packet = try!(Packet::try_from(&buf[..len]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |         try!(socket.handle_packet(&packet, addr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |             try!(self.recv(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:382:21
[INFO] [stdout]     |
[INFO] [stdout] 382 |                     try!(self.handle_receive_timeout());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:405:32
[INFO] [stdout]     |
[INFO] [stdout] 405 |         if let Some(mut pkt) = try!(self.handle_packet(&packet, src)) {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:407:13
[INFO] [stdout]     |
[INFO] [stdout] 407 |             try!(self.socket.send_to(pkt.as_ref(), src));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:452:17
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:465:13
[INFO] [stdout]     |
[INFO] [stdout] 465 |             try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:578:9
[INFO] [stdout]     |
[INFO] [stdout] 578 |         try!(self.send());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:588:13
[INFO] [stdout]     |
[INFO] [stdout] 588 |             try!(self.recv(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:597:13
[INFO] [stdout]     |
[INFO] [stdout] 597 |             try!(self.send_packet(&mut packet));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:620:13
[INFO] [stdout]     |
[INFO] [stdout] 620 |             try!(self.recv(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |         try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/socket.rs:1133:26
[INFO] [stdout]      |
[INFO] [stdout] 1133 |             let packet = try!(Packet::try_from(&buf[..nread]));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/socket.rs:1147:30
[INFO] [stdout]      |
[INFO] [stdout] 1147 |             let mut socket = try!(inner_socket.map(|s| UtpSocket::from_raw_parts(s, src)));
[INFO] [stdout]      |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:49:36
[INFO] [stdout]    |
[INFO] [stdout] 49 |         io::Error::new(kind, error.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:63:30
[INFO] [stdout]    |
[INFO] [stdout] 63 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:81:48
[INFO] [stdout]    |
[INFO] [stdout] 81 |         io::Error::new(ErrorKind::Other, error.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:233:20
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let addr = try!(take_address(other));
[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:238:26
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let mut socket = try!(UtpSocket::bind(my_addr));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |             try!(socket.socket.send_to(packet.as_ref(), socket.connected_to));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let packet = try!(Packet::try_from(&buf[..len]));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:282:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |         try!(socket.handle_packet(&packet, addr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |             try!(self.recv(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:382:21
[INFO] [stdout]     |
[INFO] [stdout] 382 |                     try!(self.handle_receive_timeout());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:405:32
[INFO] [stdout]     |
[INFO] [stdout] 405 |         if let Some(mut pkt) = try!(self.handle_packet(&packet, src)) {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:407:13
[INFO] [stdout]     |
[INFO] [stdout] 407 |             try!(self.socket.send_to(pkt.as_ref(), src));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:452:17
[INFO] [stdout]     |
[INFO] [stdout] 452 |                 try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:465:13
[INFO] [stdout]     |
[INFO] [stdout] 465 |             try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:578:9
[INFO] [stdout]     |
[INFO] [stdout] 578 |         try!(self.send());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:588:13
[INFO] [stdout]     |
[INFO] [stdout] 588 |             try!(self.recv(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:597:13
[INFO] [stdout]     |
[INFO] [stdout] 597 |             try!(self.send_packet(&mut packet));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:620:13
[INFO] [stdout]     |
[INFO] [stdout] 620 |             try!(self.recv(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |         try!(self.socket.send_to(packet.as_ref(), self.connected_to));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/socket.rs:1133:26
[INFO] [stdout]      |
[INFO] [stdout] 1133 |             let packet = try!(Packet::try_from(&buf[..nread]));
[INFO] [stdout]      |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/socket.rs:1147:30
[INFO] [stdout]      |
[INFO] [stdout] 1147 |             let mut socket = try!(inner_socket.map(|s| UtpSocket::from_raw_parts(s, src)));
[INFO] [stdout]      |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/socket.rs:2214:30
[INFO] [stdout]      |
[INFO] [stdout] 2214 |         assert!(take_address(("0.0.0.0:0")).is_ok());
[INFO] [stdout]      |                              ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/socket.rs:2215:30
[INFO] [stdout]      |
[INFO] [stdout] 2215 |         assert!(take_address(("[::]:0")).is_ok());
[INFO] [stdout]      |                              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/socket.rs:2222:30
[INFO] [stdout]      |
[INFO] [stdout] 2222 |         assert!(take_address(("1.2.3.4:70000")).is_err());
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]     --> src/socket.rs:1198:46
[INFO] [stdout]      |
[INFO] [stdout] 1198 |         use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]     --> src/socket.rs:1199:43
[INFO] [stdout]      |
[INFO] [stdout] 1199 |         static NEXT_OFFSET: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/packet.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut header = unsafe { &mut *(self.0.as_mut_ptr() as *mut PacketHeader) };
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/socket.rs:463:17
[INFO] [stdout]     |
[INFO] [stdout] 463 |             let mut packet = &mut self.send_window[0];
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:49:36
[INFO] [stdout]    |
[INFO] [stdout] 49 |         io::Error::new(kind, error.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:63:30
[INFO] [stdout]    |
[INFO] [stdout] 63 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:81:48
[INFO] [stdout]    |
[INFO] [stdout] 81 |         io::Error::new(ErrorKind::Other, error.description())
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/utpcat.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/stream.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/socket.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/stream.rs:17:42
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/stream.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static NEXT_OFFSET: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/stream.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> tests/stream.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static NEXT_OFFSET: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/socket.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> benches/socket.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static NEXT_OFFSET: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utp`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/packet.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |         let mut header = unsafe { &mut *(self.0.as_mut_ptr() as *mut PacketHeader) };
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/socket.rs:463:17
[INFO] [stdout]     |
[INFO] [stdout] 463 |             let mut packet = &mut self.send_window[0];
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d71667682022334a54c4aac48984d819c64c610f86a0fb1a47f139a6d85efed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71667682022334a54c4aac48984d819c64c610f86a0fb1a47f139a6d85efed8", kill_on_drop: false }`
[INFO] [stdout] d71667682022334a54c4aac48984d819c64c610f86a0fb1a47f139a6d85efed8