[INFO] crate sflow 0.0.1 is already in cache
[INFO] checking sflow-0.0.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate sflow 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sflow 0.0.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sflow 0.0.1
[INFO] finished tweaking crates.io crate sflow 0.0.1
[INFO] tweaked toml for crates.io crate sflow 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9840a6168c6ecf705074210bc04d1699e174b19aa6b93abc623705b7f2fed942
[INFO] running `"docker" "start" "-a" "9840a6168c6ecf705074210bc04d1699e174b19aa6b93abc623705b7f2fed942"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking sflow v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let r = try!(stream.read_u8());
[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/utils.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let r = try!(stream.be_read_u32());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let r = try!(stream.be_read_u16());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let r = try!(stream.read_i8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let r = try!(stream.be_read_i32());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let r = try!(stream.be_read_i16());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:127:29
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let length: usize = try!(stream.be_read_u32()) as usize;
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         try!(stream.read_exact(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let s = try!(String::from_utf8(buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(stream.seek(SeekFrom::Current(padding as i64)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let count = try!(stream.be_read_u32());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(stream.seek(SeekFrom::Current(padding as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/sample.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / add_decoder!{
[INFO] [stderr] 17 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 18 | | pub struct FlowSample {
[INFO] [stderr] 19 | |     // Incremented with each flow sample generated by this source_id. Note: If the agent resets the
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | | }
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/sample.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let count = try!(stream.be_read_u32());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let format = try!(stream.be_read_u32());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |             let length = try!(stream.be_read_u32());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:63:42
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     let fs: FlowSample = try!(::utils::Decodeable::read_and_decode(stream));
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     try!(stream.seek(SeekFrom::Current(length as i64)));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let format = try!(stream.be_read_u32());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let length = try!(stream.be_read_u32());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let e = try!(SampledHeader::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let e = try!(SampledIpv4::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 let e = try!(ExtendedSwitch::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:43:25
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 let e = try!(ExtendedRouter::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 let e = try!(ExtendedGateway::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 let e = try!(ExtendedUrl::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let e = try!(ExtendedMpls::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 let e = try!(ExtendedMplsTunnel::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 try!(stream.seek(SeekFrom::Current(length as i64)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / add_decoder!{
[INFO] [stderr] 77 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 78 | | pub struct ExtendedGateway {
[INFO] [stderr] 79 | |     pub next_hop: ipaddress::IPAddress,
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | | }
[INFO] [stderr] 87 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | / add_decoder!{
[INFO] [stderr] 90 | | #[derive(Debug, Clone)]
[INFO] [stderr] 91 | | pub struct ExtendedUrl {
[INFO] [stderr] 92 | |    pub directoin: u32,   /* Direction of connection */
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | | }
[INFO] [stderr] 96 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:98:1
[INFO] [stderr]     |
[INFO] [stderr] 98  | / add_decoder!{
[INFO] [stderr] 99  | | #[derive(Debug, Clone)]
[INFO] [stderr] 100 | | pub struct SampledIpv4 {
[INFO] [stderr] 101 | |    pub length: u32,     /* The length of the IP packet excluding
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | | }
[INFO] [stderr] 112 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / add_decoder!{
[INFO] [stderr] 115 | | #[derive(Debug, Clone)]
[INFO] [stderr] 116 | | pub struct ExtendedSwitch {
[INFO] [stderr] 117 | |    pub src_vlan: u32,     /* The 802.1Q VLAN id of incoming frame */
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | | }
[INFO] [stderr] 122 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / add_decoder!{
[INFO] [stderr] 125 | | #[derive(Debug, Clone)]
[INFO] [stderr] 126 | | pub struct ExtendedRouter {
[INFO] [stderr] 127 | |    pub nexthop: ipaddress::IPAddress,            /* IP address of next hop router */
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | | }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / add_decoder!{
[INFO] [stderr] 136 | | #[derive(Debug, Clone)]
[INFO] [stderr] 137 | | pub struct SampledHeader {
[INFO] [stderr] 138 | |    // TODO: header_protocol should be an enum...
[INFO] [stderr] ...   |
[INFO] [stderr] 161 | | }
[INFO] [stderr] 162 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / add_decoder!{
[INFO] [stderr] 165 | | #[derive(Debug, Clone)]
[INFO] [stderr] 166 | | pub struct ExtendedMplsTunnel {
[INFO] [stderr] 167 | |    pub tunnel_lsp_name: String, /* Tunnel name */
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | | }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:173:1
[INFO] [stderr]     |
[INFO] [stderr] 173 | / add_decoder!{
[INFO] [stderr] 174 | | #[derive(Debug, Clone)]
[INFO] [stderr] 175 | | pub struct ExtendedMpls {
[INFO] [stderr] 176 | |    pub nexthop: ipaddress::IPAddress,           /* Address of the next hop */
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | | }
[INFO] [stderr] 180 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/ipaddress.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let ip_version = try!(stream.be_read_u32());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |             1 => ip = try!(decode_ipv4(stream)),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |             2 => ip = try!(decode_ipv6(stream)),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:47:16
[INFO] [stderr]    |
[INFO] [stderr] 47 |         b[i] = try!(stream.read_u8());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |         b[i] = try!(stream.be_read_u16())
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dst_as_path.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / add_decoder!{
[INFO] [stderr] 4  | | #[derive(Debug, Clone)]
[INFO] [stderr] 5  | | pub struct DstASPath {
[INFO] [stderr] 6  | |     pub ordered: u32,
[INFO] [stderr] 7  | |     pub elements: Vec<u32>,
[INFO] [stderr] 8  | | }
[INFO] [stderr] 9  | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/datagram.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / add_decoder!{
[INFO] [stderr] 6  | | #[derive(Debug, Clone)]
[INFO] [stderr] 7  | | pub struct Datagram {
[INFO] [stderr] 8  | |     pub sflow_version: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | | }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/community.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |             asn: try!(stream.be_read_u16()) as u32,
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/community.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |             tag: try!(stream.be_read_u16()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:67:29
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn read_and_decode(&mut types::ReadSeeker) -> Result<Self, ::error::Error> where Self: Sized;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[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/utils.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<u32, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:90:37
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:99:37
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:108:37
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<i32, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:117:37
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:125:37
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:152:37
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Vec<T>, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/sample.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / add_decoder!{
[INFO] [stderr] 17 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 18 | | pub struct FlowSample {
[INFO] [stderr] 19 | |     // Incremented with each flow sample generated by this source_id. Note: If the agent resets the
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | | }
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sample.rs:52:37
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn read_and_decode(stream: &mut ReadSeeker) -> Result<Vec<SampleRecord>> {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow_records.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn read_and_decode(stream: &mut ReadSeeker) -> Result<FlowRecord, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / add_decoder!{
[INFO] [stderr] 77 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 78 | | pub struct ExtendedGateway {
[INFO] [stderr] 79 | |     pub next_hop: ipaddress::IPAddress,
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | | }
[INFO] [stderr] 87 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | / add_decoder!{
[INFO] [stderr] 90 | | #[derive(Debug, Clone)]
[INFO] [stderr] 91 | | pub struct ExtendedUrl {
[INFO] [stderr] 92 | |    pub directoin: u32,   /* Direction of connection */
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | | }
[INFO] [stderr] 96 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:98:1
[INFO] [stderr]     |
[INFO] [stderr] 98  | / add_decoder!{
[INFO] [stderr] 99  | | #[derive(Debug, Clone)]
[INFO] [stderr] 100 | | pub struct SampledIpv4 {
[INFO] [stderr] 101 | |    pub length: u32,     /* The length of the IP packet excluding
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | | }
[INFO] [stderr] 112 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / add_decoder!{
[INFO] [stderr] 115 | | #[derive(Debug, Clone)]
[INFO] [stderr] 116 | | pub struct ExtendedSwitch {
[INFO] [stderr] 117 | |    pub src_vlan: u32,     /* The 802.1Q VLAN id of incoming frame */
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | | }
[INFO] [stderr] 122 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / add_decoder!{
[INFO] [stderr] 125 | | #[derive(Debug, Clone)]
[INFO] [stderr] 126 | | pub struct ExtendedRouter {
[INFO] [stderr] 127 | |    pub nexthop: ipaddress::IPAddress,            /* IP address of next hop router */
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | | }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / add_decoder!{
[INFO] [stderr] 136 | | #[derive(Debug, Clone)]
[INFO] [stderr] 137 | | pub struct SampledHeader {
[INFO] [stderr] 138 | |    // TODO: header_protocol should be an enum...
[INFO] [stderr] ...   |
[INFO] [stderr] 161 | | }
[INFO] [stderr] 162 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / add_decoder!{
[INFO] [stderr] 165 | | #[derive(Debug, Clone)]
[INFO] [stderr] 166 | | pub struct ExtendedMplsTunnel {
[INFO] [stderr] 167 | |    pub tunnel_lsp_name: String, /* Tunnel name */
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | | }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:173:1
[INFO] [stderr]     |
[INFO] [stderr] 173 | / add_decoder!{
[INFO] [stderr] 174 | | #[derive(Debug, Clone)]
[INFO] [stderr] 175 | | pub struct ExtendedMpls {
[INFO] [stderr] 176 | |    pub nexthop: ipaddress::IPAddress,           /* Address of the next hop */
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | | }
[INFO] [stderr] 180 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ipaddress.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn read_and_decode(stream: &mut ReadSeeker) -> Result<IPAddress, Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ipaddress.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn decode_ipv4(stream: &mut ReadSeeker) -> Result<IPAddress, Error> {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ipaddress.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn decode_ipv6(stream: &mut ReadSeeker) -> Result<IPAddress, Error> {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dst_as_path.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / add_decoder!{
[INFO] [stderr] 4  | | #[derive(Debug, Clone)]
[INFO] [stderr] 5  | | pub struct DstASPath {
[INFO] [stderr] 6  | |     pub ordered: u32,
[INFO] [stderr] 7  | |     pub elements: Vec<u32>,
[INFO] [stderr] 8  | | }
[INFO] [stderr] 9  | | }
[INFO] [stderr]    | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/datagram.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / add_decoder!{
[INFO] [stderr] 6  | | #[derive(Debug, Clone)]
[INFO] [stderr] 7  | | pub struct Datagram {
[INFO] [stderr] 8  | |     pub sflow_version: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | | }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/community.rs:26:37
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Community, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[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:23:35
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[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:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Error::ByteOrder(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[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:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Error::Utf8(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let r = try!(stream.read_u8());
[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/utils.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let r = try!(stream.be_read_u32());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let r = try!(stream.be_read_u16());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let r = try!(stream.read_i8());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let r = try!(stream.be_read_i32());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let r = try!(stream.be_read_i16());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:127:29
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let length: usize = try!(stream.be_read_u32()) as usize;
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         try!(stream.read_exact(&mut buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let s = try!(String::from_utf8(buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |             try!(stream.seek(SeekFrom::Current(padding as i64)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |         let count = try!(stream.be_read_u32());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/utils.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(stream.seek(SeekFrom::Current(padding as i64)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/sample.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / add_decoder!{
[INFO] [stderr] 17 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 18 | | pub struct FlowSample {
[INFO] [stderr] 19 | |     // Incremented with each flow sample generated by this source_id. Note: If the agent resets the
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | | }
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/sample.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let count = try!(stream.be_read_u32());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let format = try!(stream.be_read_u32());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |             let length = try!(stream.be_read_u32());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:63:42
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     let fs: FlowSample = try!(::utils::Decodeable::read_and_decode(stream));
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sample.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     try!(stream.seek(SeekFrom::Current(length as i64)));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let format = try!(stream.be_read_u32());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let length = try!(stream.be_read_u32());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let e = try!(SampledHeader::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 let e = try!(SampledIpv4::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 let e = try!(ExtendedSwitch::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:43:25
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 let e = try!(ExtendedRouter::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 let e = try!(ExtendedGateway::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 let e = try!(ExtendedUrl::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let e = try!(ExtendedMpls::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 let e = try!(ExtendedMplsTunnel::read_and_decode(stream));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/flow_records.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 try!(stream.seek(SeekFrom::Current(length as i64)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / add_decoder!{
[INFO] [stderr] 77 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 78 | | pub struct ExtendedGateway {
[INFO] [stderr] 79 | |     pub next_hop: ipaddress::IPAddress,
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | | }
[INFO] [stderr] 87 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | / add_decoder!{
[INFO] [stderr] 90 | | #[derive(Debug, Clone)]
[INFO] [stderr] 91 | | pub struct ExtendedUrl {
[INFO] [stderr] 92 | |    pub directoin: u32,   /* Direction of connection */
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | | }
[INFO] [stderr] 96 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:98:1
[INFO] [stderr]     |
[INFO] [stderr] 98  | / add_decoder!{
[INFO] [stderr] 99  | | #[derive(Debug, Clone)]
[INFO] [stderr] 100 | | pub struct SampledIpv4 {
[INFO] [stderr] 101 | |    pub length: u32,     /* The length of the IP packet excluding
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | | }
[INFO] [stderr] 112 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / add_decoder!{
[INFO] [stderr] 115 | | #[derive(Debug, Clone)]
[INFO] [stderr] 116 | | pub struct ExtendedSwitch {
[INFO] [stderr] 117 | |    pub src_vlan: u32,     /* The 802.1Q VLAN id of incoming frame */
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | | }
[INFO] [stderr] 122 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / add_decoder!{
[INFO] [stderr] 125 | | #[derive(Debug, Clone)]
[INFO] [stderr] 126 | | pub struct ExtendedRouter {
[INFO] [stderr] 127 | |    pub nexthop: ipaddress::IPAddress,            /* IP address of next hop router */
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | | }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / add_decoder!{
[INFO] [stderr] 136 | | #[derive(Debug, Clone)]
[INFO] [stderr] 137 | | pub struct SampledHeader {
[INFO] [stderr] 138 | |    // TODO: header_protocol should be an enum...
[INFO] [stderr] ...   |
[INFO] [stderr] 161 | | }
[INFO] [stderr] 162 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / add_decoder!{
[INFO] [stderr] 165 | | #[derive(Debug, Clone)]
[INFO] [stderr] 166 | | pub struct ExtendedMplsTunnel {
[INFO] [stderr] 167 | |    pub tunnel_lsp_name: String, /* Tunnel name */
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | | }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]     |
[INFO] [stderr] 57  |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:173:1
[INFO] [stderr]     |
[INFO] [stderr] 173 | / add_decoder!{
[INFO] [stderr] 174 | | #[derive(Debug, Clone)]
[INFO] [stderr] 175 | | pub struct ExtendedMpls {
[INFO] [stderr] 176 | |    pub nexthop: ipaddress::IPAddress,           /* Address of the next hop */
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | | }
[INFO] [stderr] 180 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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/ipaddress.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let ip_version = try!(stream.be_read_u32());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |             1 => ip = try!(decode_ipv4(stream)),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |             2 => ip = try!(decode_ipv6(stream)),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:47:16
[INFO] [stderr]    |
[INFO] [stderr] 47 |         b[i] = try!(stream.read_u8());
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ipaddress.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |         b[i] = try!(stream.be_read_u16())
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dst_as_path.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / add_decoder!{
[INFO] [stderr] 4  | | #[derive(Debug, Clone)]
[INFO] [stderr] 5  | | pub struct DstASPath {
[INFO] [stderr] 6  | |     pub ordered: u32,
[INFO] [stderr] 7  | |     pub elements: Vec<u32>,
[INFO] [stderr] 8  | | }
[INFO] [stderr] 9  | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/utils.rs:57:33
[INFO] [stderr]    |
[INFO] [stderr] 57 |                   $($field_name : try!(::utils::Decodeable::read_and_decode(stream))),+
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/datagram.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / add_decoder!{
[INFO] [stderr] 6  | | #[derive(Debug, Clone)]
[INFO] [stderr] 7  | | pub struct Datagram {
[INFO] [stderr] 8  | |     pub sflow_version: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | | }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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/community.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |             asn: try!(stream.be_read_u16()) as u32,
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/community.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |             tag: try!(stream.be_read_u16()),
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:67:29
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn read_and_decode(&mut types::ReadSeeker) -> Result<Self, ::error::Error> where Self: Sized;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[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/utils.rs:72:37
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<u32, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:90:37
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:99:37
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:108:37
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<i32, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:117:37
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:125:37
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Self, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:152:37
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Vec<T>, error::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/sample.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / add_decoder!{
[INFO] [stderr] 17 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 18 | | pub struct FlowSample {
[INFO] [stderr] 19 | |     // Incremented with each flow sample generated by this source_id. Note: If the agent resets the
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | | }
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sample.rs:52:37
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn read_and_decode(stream: &mut ReadSeeker) -> Result<Vec<SampleRecord>> {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/flow_records.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn read_and_decode(stream: &mut ReadSeeker) -> Result<FlowRecord, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / add_decoder!{
[INFO] [stderr] 77 | | #[derive(Debug, Clone, Default)]
[INFO] [stderr] 78 | | pub struct ExtendedGateway {
[INFO] [stderr] 79 | |     pub next_hop: ipaddress::IPAddress,
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | | }
[INFO] [stderr] 87 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/flow_records.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | / add_decoder!{
[INFO] [stderr] 90 | | #[derive(Debug, Clone)]
[INFO] [stderr] 91 | | pub struct ExtendedUrl {
[INFO] [stderr] 92 | |    pub directoin: u32,   /* Direction of connection */
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | | }
[INFO] [stderr] 96 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:98:1
[INFO] [stderr]     |
[INFO] [stderr] 98  | / add_decoder!{
[INFO] [stderr] 99  | | #[derive(Debug, Clone)]
[INFO] [stderr] 100 | | pub struct SampledIpv4 {
[INFO] [stderr] 101 | |    pub length: u32,     /* The length of the IP packet excluding
[INFO] [stderr] ...   |
[INFO] [stderr] 111 | | }
[INFO] [stderr] 112 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:114:1
[INFO] [stderr]     |
[INFO] [stderr] 114 | / add_decoder!{
[INFO] [stderr] 115 | | #[derive(Debug, Clone)]
[INFO] [stderr] 116 | | pub struct ExtendedSwitch {
[INFO] [stderr] 117 | |    pub src_vlan: u32,     /* The 802.1Q VLAN id of incoming frame */
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | | }
[INFO] [stderr] 122 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | / add_decoder!{
[INFO] [stderr] 125 | | #[derive(Debug, Clone)]
[INFO] [stderr] 126 | | pub struct ExtendedRouter {
[INFO] [stderr] 127 | |    pub nexthop: ipaddress::IPAddress,            /* IP address of next hop router */
[INFO] [stderr] ...   |
[INFO] [stderr] 132 | | }
[INFO] [stderr] 133 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / add_decoder!{
[INFO] [stderr] 136 | | #[derive(Debug, Clone)]
[INFO] [stderr] 137 | | pub struct SampledHeader {
[INFO] [stderr] 138 | |    // TODO: header_protocol should be an enum...
[INFO] [stderr] ...   |
[INFO] [stderr] 161 | | }
[INFO] [stderr] 162 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / add_decoder!{
[INFO] [stderr] 165 | | #[derive(Debug, Clone)]
[INFO] [stderr] 166 | | pub struct ExtendedMplsTunnel {
[INFO] [stderr] 167 | |    pub tunnel_lsp_name: String, /* Tunnel name */
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | | }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:55:45
[INFO] [stderr]     |
[INFO] [stderr] 55  |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/flow_records.rs:173:1
[INFO] [stderr]     |
[INFO] [stderr] 173 | / add_decoder!{
[INFO] [stderr] 174 | | #[derive(Debug, Clone)]
[INFO] [stderr] 175 | | pub struct ExtendedMpls {
[INFO] [stderr] 176 | |    pub nexthop: ipaddress::IPAddress,           /* Address of the next hop */
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | | }
[INFO] [stderr] 180 | | }
[INFO] [stderr]     | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ipaddress.rs:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn read_and_decode(stream: &mut ReadSeeker) -> Result<IPAddress, Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ipaddress.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn decode_ipv4(stream: &mut ReadSeeker) -> Result<IPAddress, Error> {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ipaddress.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn decode_ipv6(stream: &mut ReadSeeker) -> Result<IPAddress, Error> {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dst_as_path.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / add_decoder!{
[INFO] [stderr] 4  | | #[derive(Debug, Clone)]
[INFO] [stderr] 5  | | pub struct DstASPath {
[INFO] [stderr] 6  | |     pub ordered: u32,
[INFO] [stderr] 7  | |     pub elements: Vec<u32>,
[INFO] [stderr] 8  | | }
[INFO] [stderr] 9  | | }
[INFO] [stderr]    | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |               fn read_and_decode(stream: &mut ::types::ReadSeeker) -> ::std::result::Result<$name, ::error::Error> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::types::ReadSeeker)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/datagram.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / add_decoder!{
[INFO] [stderr] 6  | | #[derive(Debug, Clone)]
[INFO] [stderr] 7  | | pub struct Datagram {
[INFO] [stderr] 8  | |     pub sflow_version: u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | | }
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/community.rs:26:37
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn read_and_decode(stream: &mut types::ReadSeeker) -> Result<Community, error::Error> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn types::ReadSeeker`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `datagram::Datagram`
[INFO] [stderr]  --> src/test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use datagram::Datagram;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[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:23:35
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Error::Io(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[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:24:42
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Error::ByteOrder(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[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:25:37
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Error::Utf8(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[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:32:39
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                       ^^^^^
[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:33:46
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Error::ByteOrder(ref err) => err.cause(),
[INFO] [stderr]    |                                              ^^^^^
[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:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Error::Utf8(ref err) => err.cause(),
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/utils.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::{self, ByteOrder, BigEndian, ReadBytesExt};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/utils.rs:5:31
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, SeekFrom, Read};
[INFO] [stderr]   |                               ^^^^
[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:32:39
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                       ^^^^^
[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:33:46
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Error::ByteOrder(ref err) => err.cause(),
[INFO] [stderr]    |                                              ^^^^^
[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:35:41
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Error::Utf8(ref err) => err.cause(),
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/utils.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::{self, ByteOrder, BigEndian, ReadBytesExt};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/utils.rs:5:31
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, SeekFrom, Read};
[INFO] [stderr]   |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "9840a6168c6ecf705074210bc04d1699e174b19aa6b93abc623705b7f2fed942"`
[INFO] running `"docker" "rm" "-f" "9840a6168c6ecf705074210bc04d1699e174b19aa6b93abc623705b7f2fed942"`
[INFO] [stdout] 9840a6168c6ecf705074210bc04d1699e174b19aa6b93abc623705b7f2fed942
