[INFO] fetching crate rabble 0.4.1...
[INFO] building rabble-0.4.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate rabble 0.4.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rabble 0.4.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rabble 0.4.1
[INFO] finished tweaking crates.io crate rabble 0.4.1
[INFO] tweaked toml for crates.io crate rabble 0.4.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded slog-envlogger v0.5.0
[INFO] [stderr]   Downloaded slog-term v1.5.0
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded slog-stdlog v1.1.0
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded amy v0.7.2
[INFO] [stderr]   Downloaded orset v0.2.0
[INFO] [stderr]   Downloaded ferris v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfcda3e023d57642523d30aae88e20a340a6ea38fc16d3c281782cd5359e43e4
[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" "dfcda3e023d57642523d30aae88e20a340a6ea38fc16d3c281782cd5359e43e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfcda3e023d57642523d30aae88e20a340a6ea38fc16d3c281782cd5359e43e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcda3e023d57642523d30aae88e20a340a6ea38fc16d3c281782cd5359e43e4", kill_on_drop: false }`
[INFO] [stdout] dfcda3e023d57642523d30aae88e20a340a6ea38fc16d3c281782cd5359e43e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cad111e19836b97f3a95e5b88583e4e56c67dc0e4d1d32a117db659237cfe8e
[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" "4cad111e19836b97f3a95e5b88583e4e56c67dc0e4d1d32a117db659237cfe8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling protobuf v1.7.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling ferris v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling amy v0.7.2
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling slog-stdlog v1.1.0
[INFO] [stderr]    Compiling slog-envlogger v0.5.0
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling orset v0.2.0
[INFO] [stderr]    Compiling rabble v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/errors.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | /// Used by the error-chain crate to generate errors
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/node_id.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         try!(fmt.write_fmt(format_args!("{}@{}", self.name, self.addr)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/node.rs:75:49
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn spawn(&self, pid: &Pid, process: Box<Process<T>>) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Process<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/members.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             try!(fmt.write_fmt(format_args!("{} \n", member.name)));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/pid.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 node: try!(NodeId::from_str(v[1]))
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/pid.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 node: try!(NodeId::from_str(v[2]))
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor/executor.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |     processes: HashMap<Pid, Box<Process<T>>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Process<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor/executor.rs:98:52
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn start(&mut self, pid: Pid, mut process: Box<Process<T>>) {
[INFO] [stdout]    |                                                    ^^^^^^^^^^ help: use `dyn`: `dyn Process<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/executor/msg.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Start(Pid, Box<Process<T>>),
[INFO] [stdout]   |                    ^^^^^^^^^^ help: use `dyn`: `dyn Process<T>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             try!(ExternalMsg::Envelope(envelope).serialize(&mut Serializer::new(&mut encoded))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |             try!(self.write(id, Some(encoded)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:228:17
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 try!(self.read(notification.id));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:247:28
[INFO] [stdout]     |
[INFO] [stdout] 247 |             Some(false) => try!(self.send_members(id)),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let messages = try!(self.decode_messages(id));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |                     try!(self.handle_decoded_message(id, msg));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:286:21
[INFO] [stdout]     |
[INFO] [stdout] 286 |                     try!(self.broadcast_delta(delta));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                     try!(registrar.reregister(id, &conn.sock, Event::Read)
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:309:13
[INFO] [stdout]     |
[INFO] [stdout] 309 |             try!(conn_write(id, &mut conn, msg, &registrar));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |             try!(conn.reader.read(&mut conn.sock)
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:373:27
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 let msg = try!(Deserialize::deserialize(&mut decoder)
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |         try!(self.broadcast_delta(delta));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:390:13
[INFO] [stdout]     |
[INFO] [stdout] 390 |             try!(self.broadcast_delta(delta));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:397:20
[INFO] [stdout]     |
[INFO] [stdout] 397 |         let sock = try!(TcpBuilder::new_v4().chain_err(|| "Failed to create a IPv4 socket"));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:398:20
[INFO] [stdout]     |
[INFO] [stdout] 398 |         let sock = try!(sock.to_tcp_stream().chain_err(|| "Failed to create TcpStream"));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         try!(sock.set_nonblocking(true).chain_err(|| "Failed to make socket nonblocking"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |         try!(self.init_connection(sock, Some(node)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |             try!(sock.set_nonblocking(true).chain_err(|| "Failed to make socket nonblocking"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 414 |             let id = try!(self.init_connection(sock, None));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:415:13
[INFO] [stdout]     |
[INFO] [stdout] 415 |             try!(self.send_members(id));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:421:18
[INFO] [stdout]     |
[INFO] [stdout] 421 |         let id = try!(self.registrar.register(&sock, Event::Read)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:433:23
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let encoded = try!(self.encode_members(id));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:437:13
[INFO] [stdout]     |
[INFO] [stdout] 437 |             try!(conn_write(id, &mut conn, Some(encoded), &registrar));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(self.broadcast_pings());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         try!(msg.serialize(&mut Serializer::new(&mut encoded))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:500:9
[INFO] [stdout]     |
[INFO] [stdout] 500 |         try!(msg.serialize(&mut Serializer::new(&mut encoded))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 |         try!(msg.serialize(&mut Serializer::new(&mut encoded))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cluster/server.rs:617:24
[INFO] [stdout]     |
[INFO] [stdout] 617 |         let writable = try!(conn.writer.write(&mut conn.sock, msg).chain_err(|| {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/service/service.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             try!(self.handler.handle_envelope(&self.node, envelope, &self.registrar));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/connection_handler.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn handle_envelope(&mut self, Envelope<Self::Msg>, &mut Vec<ConnectionMsg<Self>>);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Envelope<Self::Msg>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/connection_handler.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn handle_envelope(&mut self, Envelope<Self::Msg>, &mut Vec<ConnectionMsg<Self>>);
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Vec<ConnectionMsg<Self>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/connection_handler.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn handle_network_msg(&mut self, Self::ClientMsg, &mut Vec<ConnectionMsg<Self>>);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::ClientMsg`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/connection_handler.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn handle_network_msg(&mut self, Self::ClientMsg, &mut Vec<ConnectionMsg<Self>>);
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Vec<ConnectionMsg<Self>>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn init(&mut self, &Registrar, &Node<T>) -> Result<()> {
[INFO] [stdout]    |                        ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Registrar`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn init(&mut self, &Registrar, &Node<T>) -> Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Node<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn handle_notification(&mut self, &Node<T>, Notification, &Registrar) -> Result<()> {
[INFO] [stdout]    |                                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Node<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:21:49
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn handle_notification(&mut self, &Node<T>, Notification, &Registrar) -> Result<()> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Notification`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:21:63
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn handle_notification(&mut self, &Node<T>, Notification, &Registrar) -> Result<()> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Registrar`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn handle_envelope(&mut self, &Node<T>, Envelope<T>, &Registrar) -> Result<()>;
[INFO] [stdout]    |                                   ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Node<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:28:45
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn handle_envelope(&mut self, &Node<T>, Envelope<T>, &Registrar) -> Result<()>;
[INFO] [stdout]    |                                             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Envelope<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/service/service_handler.rs:28:58
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn handle_envelope(&mut self, &Node<T>, Envelope<T>, &Registrar) -> Result<()>;
[INFO] [stdout]    |                                                          ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Registrar`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     try!(self.new_connection(socket, registrar));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         try!(sock.set_nonblocking(true).chain_err(|| "Failed to make socket nonblocking"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let id = try!(registrar.register(&sock, Event::Read)
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 try!(connection.serializer.write_msgs(&mut connection.sock, None));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 try!(handle_readable(connection,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 try!(handle_connection_msgs(&mut self.request_timer_wheel,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:203:28
[INFO] [stdout]     |
[INFO] [stdout] 203 |         self.listener_id = try!(registrar.register(&self.listener, Event::Read)
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:207:33
[INFO] [stdout]     |
[INFO] [stdout] 207 |         self.request_timer_id = try!(registrar.set_interval(req_timeout)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:212:45
[INFO] [stdout]     |
[INFO] [stdout] 212 |             self.connection_timer_id = Some(try!(registrar.set_interval(timeout)
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             try!(handle_connection_msgs(&mut self.request_timer_wheel,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:284:27
[INFO] [stdout]     |
[INFO] [stdout] 284 |     while let Some(msg) = try!(connection.serializer.read_msg(&mut connection.sock)) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         try!(handle_connection_msgs(request_timer_wheel,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/service/tcp_server_handler.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 try!(serializer.write_msgs(sock, Some(&client_msg))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/serialize/msgpack.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         try!(self.frame_reader.read(reader).chain_err(|| "Msgpack Serializer failed to read from socket"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/serialize/msgpack.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let msg = try!(Deserialize::deserialize(&mut deserializer)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/serialize/msgpack.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         try!(msg.as_ref().unwrap().serialize(&mut Serializer::new(&mut encoded))
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/serialize/protobuf.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         try!(self.frame_reader.read(reader).chain_err(|| "Serializer failed to read from socket"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/serialize/protobuf.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |             let msg: M = try!(parse_from_bytes(&frame[..]));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/serialize/protobuf.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let encoded = try!(msg.as_ref().unwrap().write_to_bytes());
[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/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     foreign_links {
[INFO] [stdout] 10 | |         io::Error, Io;
[INFO] [stdout] 11 | |         msgpack::encode::Error, MsgpackEncode;
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     }
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/node.rs:18:59
[INFO] [stdout]    |
[INFO] [stdout] 18 |               return Err(ErrorKind::SendError($errmsg, $pid.cloned()).into())
[INFO] [stdout]    |                                                             ^^^^^^ multiple `cloned` found
[INFO] [stdout] ...
[INFO] [stdout] 61 | /         send!(self.cluster_tx,
[INFO] [stdout] 62 | |               ClusterMsg::Join(node_id.clone()),
[INFO] [stdout] 63 | |               None,
[INFO] [stdout] 64 | |               format!("ClusterMsg::Join({:?})", *node_id))
[INFO] [stdout]    | |__________________________________________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl for the type `std::option::Option<&T>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl for the type `std::option::Option<&mut T>`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/node.rs:18:59
[INFO] [stdout]    |
[INFO] [stdout] 18 |               return Err(ErrorKind::SendError($errmsg, $pid.cloned()).into())
[INFO] [stdout]    |                                                             ^^^^^^ multiple `cloned` found
[INFO] [stdout] ...
[INFO] [stdout] 68 | /         send!(self.cluster_tx,
[INFO] [stdout] 69 | |               ClusterMsg::Leave(node_id.clone()),
[INFO] [stdout] 70 | |               None,
[INFO] [stdout] 71 | |               format!("ClusterMsg::Leave({:?})", *node_id))
[INFO] [stdout]    | |___________________________________________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl for the type `std::option::Option<&T>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl for the type `std::option::Option<&mut T>`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / error_chain! {
[INFO] [stdout] 9  | |     foreign_links {
[INFO] [stdout] 10 | |         io::Error, Io;
[INFO] [stdout] 11 | |         msgpack::encode::Error, MsgpackEncode;
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     }
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 71 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rabble`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4cad111e19836b97f3a95e5b88583e4e56c67dc0e4d1d32a117db659237cfe8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cad111e19836b97f3a95e5b88583e4e56c67dc0e4d1d32a117db659237cfe8e", kill_on_drop: false }`
[INFO] [stdout] 4cad111e19836b97f3a95e5b88583e4e56c67dc0e4d1d32a117db659237cfe8e
