[INFO] crate bip_dht 0.6.0 is already in cache
[INFO] checking bip_dht-0.6.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate bip_dht 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate bip_dht 0.6.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bip_dht 0.6.0
[INFO] finished tweaking crates.io crate bip_dht 0.6.0
[INFO] tweaked toml for crates.io crate bip_dht 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66b58af1c1975fc3e928d2f7470479d56e0aaf6e19e5b4d54c474a3b2eef65d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "66b58af1c1975fc3e928d2f7470479d56e0aaf6e19e5b4d54c474a3b2eef65d2"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking bip_bencode v0.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking bip_handshake v0.4.1
[INFO] [stderr]     Checking bip_dht v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let send_sock = try!(UdpSocket::bind(&builder.src_addr));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let recv_sock = try!(send_sock.try_clone());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let kill_sock = try!(send_sock.try_clone());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let kill_addr = try!(send_sock.local_addr());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let send = try!(worker::start_mainline_dht(send_sock,
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let rqst_root = try!(validate.lookup_and_convert_dict(root, REQUEST_ARGS_KEY));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:85:33
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 let ping_rqst = try!(PingRequest::from_parts(rqst_root, trans_id));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:90:21
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     try!(FindNodeRequest::from_parts(rqst_root, trans_id, message::TARGET_ID_KEY));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let get_peers_rqst = try!(GetPeersRequest::from_parts(rqst_root, trans_id));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:98:42
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let announce_peer_rqst = try!(AnnouncePeerRequest::from_parts(rqst_root, trans_id));
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/request.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |                         try!(FindNodeRequest::from_parts(rqst_root, trans_id, target_key));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let rqst_root = try!(validate.lookup_and_convert_dict(root, RESPONSE_ARGS_KEY));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 let ping_rsp = try!(PingResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:114:37
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 let find_node_rsp = try!(FindNodeResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:118:37
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let get_peers_rsp = try!(GetPeersResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let announce_peer_rsp = try!(AnnouncePeerResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/error.rs:67:20
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let code = try!(self.convert_int(&args[0], &format!("{}[0]", ERROR_ARGS_KEY)));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/error.rs:68:23
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let message = try!(self.convert_str(&args[1], &format!("{}[1]", ERROR_ARGS_KEY)));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/error.rs:110:26
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let error_args = try!(validate.lookup_and_convert_list(root, ERROR_ARGS_KEY));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/error.rs:112:31
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let (code, message) = try!(validate.extract_error_args(error_args));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/error.rs:113:26
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let error_code = try!(ErrorCode::new(code));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/ping.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/ping.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/ping.rs:77:23
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let request = try!(PingRequest::from_parts(rsp_root, trans_id));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let target_id_bytes = try!(validate.lookup_and_convert_bytes(rqst_root, target_key));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let target_id = try!(validate.validate_node_id(target_id_bytes));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:86:29
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let compact_nodes = try!(validate.validate_nodes(nodes));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/find_node.rs:100:29
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let node_id_bytes = try!(validate.lookup_and_convert_bytes(rsp_root, message::NODE_ID_KEY));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/find_node.rs:101:23
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/find_node.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let nodes = try!(validate.lookup_and_convert_bytes(rsp_root, message::NODES_KEY));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::INFO_HASH_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let info_hash = try!(validate.validate_info_hash(info_hash_bytes));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:107:29
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let node_id_bytes = try!(validate.lookup_and_convert_bytes(rsp_root, message::NODE_ID_KEY));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:119:34
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let nodes_info = try!(validate.validate_nodes(nodes));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 let values_info = try!(validate.validate_values(values));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:124:34
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let nodes_info = try!(validate.validate_nodes(nodes));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:128:35
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 let values_info = try!(validate.validate_values(values));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::INFO_HASH_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let info_hash = try!(validate.validate_info_hash(info_hash_bytes));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let token = try!(validate.lookup_and_convert_bytes(rqst_root, message::TOKEN_KEY));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:69:35
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let port_number = try!(port) as u16;
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/announce_peer.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/announce_peer.rs:143:23
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let msg_root = try!(validate.convert_dict(message, ROOT_ID_KEY));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let trans_id = try!(validate.lookup_and_convert_bytes(msg_root, TRANSACTION_ID_KEY));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let msg_type = try!(validate.lookup_and_convert_str(msg_root, MESSAGE_TYPE_KEY));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 let rqst_type = try!(validate.lookup_and_convert_str(msg_root, REQUEST_TYPE_KEY));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 let rqst_msg = try!(RequestType::from_parts(msg_root, trans_id, rqst_type));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let rsp_message = try!(ResponseType::from_parts(msg_root, trans_id, rsp_type));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let err_message = try!(ErrorMessage::from_parts(msg_root, trans_id));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/router.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let addrs = try!(self.socket_addrs());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/router.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let addrs = try!(self.socket_addrs());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/router.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let mut addrs = try!(self.socket_addrs());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/worker/handler.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut event_loop = try!(EventLoop::new());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/worker/mod.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let message_sender = try!(handler::create_dht_handler(routing_table,
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/request.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/request.rs:130:49
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn forward_compatible_find_node<'a>(rqst_root: &Dictionary<'a, Bencode<'a>>) -> Option<&'static str> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/response.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn from_parts(root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/error.rs:106:30
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/get_peers.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/get_peers.rs:102:37
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn from_parts(rsp_root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/announce_peer.rs:47:35
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/announce_peer.rs:136:35
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let send_sock = try!(UdpSocket::bind(&builder.src_addr));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let recv_sock = try!(send_sock.try_clone());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let kill_sock = try!(send_sock.try_clone());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let kill_addr = try!(send_sock.local_addr());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/builder.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let send = try!(worker::start_mainline_dht(send_sock,
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let rqst_root = try!(validate.lookup_and_convert_dict(root, REQUEST_ARGS_KEY));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:85:33
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 let ping_rqst = try!(PingRequest::from_parts(rqst_root, trans_id));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:90:21
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     try!(FindNodeRequest::from_parts(rqst_root, trans_id, message::TARGET_ID_KEY));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let get_peers_rqst = try!(GetPeersRequest::from_parts(rqst_root, trans_id));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/request.rs:98:42
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let announce_peer_rqst = try!(AnnouncePeerRequest::from_parts(rqst_root, trans_id));
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/request.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |                         try!(FindNodeRequest::from_parts(rqst_root, trans_id, target_key));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let rqst_root = try!(validate.lookup_and_convert_dict(root, RESPONSE_ARGS_KEY));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 let ping_rsp = try!(PingResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:114:37
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 let find_node_rsp = try!(FindNodeResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:118:37
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let get_peers_rsp = try!(GetPeersResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/response.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let announce_peer_rsp = try!(AnnouncePeerResponse::from_parts(rqst_root, trans_id));
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/error.rs:67:20
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let code = try!(self.convert_int(&args[0], &format!("{}[0]", ERROR_ARGS_KEY)));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/error.rs:68:23
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let message = try!(self.convert_str(&args[1], &format!("{}[1]", ERROR_ARGS_KEY)));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/error.rs:110:26
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let error_args = try!(validate.lookup_and_convert_list(root, ERROR_ARGS_KEY));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/error.rs:112:31
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let (code, message) = try!(validate.extract_error_args(error_args));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/error.rs:113:26
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let error_code = try!(ErrorCode::new(code));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/ping.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/ping.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/ping.rs:77:23
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let request = try!(PingRequest::from_parts(rsp_root, trans_id));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let target_id_bytes = try!(validate.lookup_and_convert_bytes(rqst_root, target_key));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let target_id = try!(validate.validate_node_id(target_id_bytes));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/find_node.rs:86:29
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let compact_nodes = try!(validate.validate_nodes(nodes));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/find_node.rs:100:29
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let node_id_bytes = try!(validate.lookup_and_convert_bytes(rsp_root, message::NODE_ID_KEY));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/find_node.rs:101:23
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/find_node.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let nodes = try!(validate.lookup_and_convert_bytes(rsp_root, message::NODES_KEY));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::INFO_HASH_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/get_peers.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let info_hash = try!(validate.validate_info_hash(info_hash_bytes));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:107:29
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let node_id_bytes = try!(validate.lookup_and_convert_bytes(rsp_root, message::NODE_ID_KEY));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:119:34
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let nodes_info = try!(validate.validate_nodes(nodes));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 let values_info = try!(validate.validate_values(values));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:124:34
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 let nodes_info = try!(validate.validate_nodes(nodes));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/get_peers.rs:128:35
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 let values_info = try!(validate.validate_values(values));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::INFO_HASH_KEY));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let info_hash = try!(validate.validate_info_hash(info_hash_bytes));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let token = try!(validate.lookup_and_convert_bytes(rqst_root, message::TOKEN_KEY));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/announce_peer.rs:69:35
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let port_number = try!(port) as u16;
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/announce_peer.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |             try!(validate.lookup_and_convert_bytes(rqst_root, message::NODE_ID_KEY));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/message/announce_peer.rs:143:23
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let node_id = try!(validate.validate_node_id(node_id_bytes));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let msg_root = try!(validate.convert_dict(message, ROOT_ID_KEY));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let trans_id = try!(validate.lookup_and_convert_bytes(msg_root, TRANSACTION_ID_KEY));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let msg_type = try!(validate.lookup_and_convert_str(msg_root, MESSAGE_TYPE_KEY));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 let rqst_type = try!(validate.lookup_and_convert_str(msg_root, REQUEST_TYPE_KEY));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 let rqst_msg = try!(RequestType::from_parts(msg_root, trans_id, rqst_type));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let rsp_message = try!(ResponseType::from_parts(msg_root, trans_id, rsp_type));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/message/mod.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let err_message = try!(ErrorMessage::from_parts(msg_root, trans_id));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/router.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let addrs = try!(self.socket_addrs());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/router.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let addrs = try!(self.socket_addrs());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/router.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let mut addrs = try!(self.socket_addrs());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/worker/handler.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut event_loop = try!(EventLoop::new());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/worker/mod.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let message_sender = try!(handler::create_dht_handler(routing_table,
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/request.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/request.rs:130:49
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn forward_compatible_find_node<'a>(rqst_root: &Dictionary<'a, Bencode<'a>>) -> Option<&'static str> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/response.rs:101:33
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn from_parts(root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/error.rs:106:30
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn from_parts(root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/ping.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/find_node.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn from_parts(rsp_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/get_peers.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/get_peers.rs:102:37
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn from_parts(rsp_root: &'a Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/message/announce_peer.rs:47:35
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message/announce_peer.rs:136:35
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn from_parts(rqst_root: &Dictionary<'a, Bencode<'a>>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Dictionary<'a, Bencode<'a>>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:22
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                      ----^^^^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:37
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 78 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         DhtError, DhtErrorKind, DhtResultExt, DhtResult;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:22
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                      ----^^^^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/worker/handler.rs:748:37
[INFO] [stderr]     |
[INFO] [stderr] 748 |                 let (mut bootstrap, mut attempts) = match table_actions.get_mut(&action_id) {
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 78 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.83s
[INFO] running `"docker" "inspect" "66b58af1c1975fc3e928d2f7470479d56e0aaf6e19e5b4d54c474a3b2eef65d2"`
[INFO] running `"docker" "rm" "-f" "66b58af1c1975fc3e928d2f7470479d56e0aaf6e19e5b4d54c474a3b2eef65d2"`
[INFO] [stdout] 66b58af1c1975fc3e928d2f7470479d56e0aaf6e19e5b4d54c474a3b2eef65d2