[INFO] crate nl-dump 0.1.3 is already in cache
[INFO] testing nl-dump-0.1.3 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate nl-dump 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nl-dump 0.1.3 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nl-dump 0.1.3
[INFO] finished tweaking crates.io crate nl-dump 0.1.3
[INFO] tweaked toml for crates.io crate nl-dump 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d6f261f91e1f04999d0ae9ef0ccf0efcf536d4d22c13a08674cbb3e9a0a1a7d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d6f261f91e1f04999d0ae9ef0ccf0efcf536d4d22c13a08674cbb3e9a0a1a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d6f261f91e1f04999d0ae9ef0ccf0efcf536d4d22c13a08674cbb3e9a0a1a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6f261f91e1f04999d0ae9ef0ccf0efcf536d4d22c13a08674cbb3e9a0a1a7d", kill_on_drop: false }`
[INFO] [stdout] 3d6f261f91e1f04999d0ae9ef0ccf0efcf536d4d22c13a08674cbb3e9a0a1a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f3cd7f28b083fe6699e66ac4ffd2e3e63b2fade5a6d100d757c83192ce43cc1
[INFO] running `Command { std: "docker" "start" "-a" "8f3cd7f28b083fe6699e66ac4ffd2e3e63b2fade5a6d100d757c83192ce43cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling pcap v0.5.7
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling rust-enum-derive v0.4.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling nl-dump v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/net_device_flags.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     try!(write!(f, "|"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/net_device_flags.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/ifa_flags.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     try!(write!(f, "|"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/ifa_flags.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/ifla.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 |                     try!(write!(f, "|"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/ifla.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/rtm_flags.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     try!(write!(f, "|"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/rtm_flags.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/nd_state.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     try!(write!(f, "|"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/nd_state.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/nd_flags.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     try!(write!(f, "|"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/nd_flags.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/tc_attr.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     try!(write!(f, "|"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/rtnetlink/tc_attr.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |         s.rta_len = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:66:24
[INFO] [stdout]    |
[INFO] [stdout] 66 |         rta_type_u16 = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:81:21
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let a = try!(cursor.read_u8());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(write!(f, "{{\n"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(write!(f, "{}    rta_len: {},\n", indent, self.rta_len));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         try!(write!(f, "{}    rta_type: {},\n", indent, self.rta_type));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         try!(write!(f, "{}    rta_value: [", indent));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             try!(write!(f, " {:#X}", a));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/rtnetlink.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 try!(write!(f, ","));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |         family_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         _ifi_pad = try!(cursor.read_u8());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:130:22
[INFO] [stdout]     |
[INFO] [stdout] 130 |         s.ifi_type = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:131:23
[INFO] [stdout]     |
[INFO] [stdout] 131 |         s.ifi_index = try!(cursor.read_i32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |         s.ifi_flags = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:133:24
[INFO] [stdout]     |
[INFO] [stdout] 133 |         s.ifi_change = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let attr = try!(Rtattr::<Ifla>::read(cursor));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         try!(write!(f, "{}    ifi_family: {},\n", i_s, self.ifi_family));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(write!(f, "{}    ifi_type: {},\n", i_s, self.ifi_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(write!(f, "{}    ifi_index: {},\n", i_s, self.ifi_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "{}    ifi_flags: {:#X} (", i_s, self.ifi_flags));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(NetDeviceFlags::pretty_fmt(f, self.ifi_flags));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(write!(f, "),\n{}    ifi_change: {},\n", i_s, self.ifi_change));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(write!(f, "{}    ifi_attr: [ ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             try!(a.pretty_fmt(f, indent+1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 try!(write!(f, ",\n{}", i_s_p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |         family_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |         s.ifa_prefixlen = try!(cursor.read_u8());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:194:23
[INFO] [stdout]     |
[INFO] [stdout] 194 |         s.ifa_flags = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:195:23
[INFO] [stdout]     |
[INFO] [stdout] 195 |         s.ifa_scope = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:196:23
[INFO] [stdout]     |
[INFO] [stdout] 196 |         s.ifa_index = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:198:24
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let attr = try!(Rtattr::<Ifa>::read(cursor));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(write!(f, "{}    ifa_family: {},\n", i_s, self.ifa_family));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |         try!(write!(f, "{}    ifa_prefixlen: {},\n", i_s, self.ifa_prefixlen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         try!(write!(f, "{}    ifa_flags: {:#X} (", i_s, self.ifa_flags));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |         try!(IfaFlags::pretty_fmt(f, self.ifa_flags as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |         try!(write!(f, "),\n{}    ifa_scope: {},\n", i_s, self.ifa_scope));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         try!(write!(f, "{}    ifa_index: {},\n", i_s, self.ifa_index));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         try!(write!(f, "{}    ifa_attr: [ ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:218:13
[INFO] [stdout]     |
[INFO] [stdout] 218 |             try!(a.pretty_fmt(f, indent+1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:220:17
[INFO] [stdout]     |
[INFO] [stdout] 220 |                 try!(write!(f, ",\n{}", i_s_p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:275:21
[INFO] [stdout]     |
[INFO] [stdout] 275 |         family_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |         s.rtm_dst_len = try!(cursor.read_u8());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 |         s.rtm_src_len = try!(cursor.read_u8());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:284:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |         s.rtm_tos = try!(cursor.read_u8());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:286:23
[INFO] [stdout]     |
[INFO] [stdout] 286 |         s.rtm_table = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:288:27
[INFO] [stdout]     |
[INFO] [stdout] 288 |         rtm_protocol_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:296:23
[INFO] [stdout]     |
[INFO] [stdout] 296 |         s.rtm_scope = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:298:23
[INFO] [stdout]     |
[INFO] [stdout] 298 |         rtm_type_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:307:23
[INFO] [stdout]     |
[INFO] [stdout] 307 |         s.rtm_flags = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:310:24
[INFO] [stdout]     |
[INFO] [stdout] 310 |             let attr = try!(Rtattr::<RtmAttr>::read(cursor));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         try!(write!(f, "{}    rtm_family: {},\n", i_s, self.rtm_family));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         try!(write!(f, "{}    rtm_dst_len: {},\n", i_s, self.rtm_dst_len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         try!(write!(f, "{}    rtm_src_len: {},\n", i_s, self.rtm_src_len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         try!(write!(f, "{}    rtm_tos: {},\n", i_s, self.rtm_tos));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 |         try!(write!(f, "{}    rtm_table: {} (", i_s, self.rtm_table));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         try!(RtTable::pretty_fmt(f, self.rtm_table));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         try!(write!(f, "),\n{}    rtm_protocol: {},\n", i_s, self.rtm_protocol));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(write!(f, "{}    rtm_scope: {} (", i_s, self.rtm_scope));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(RtScope::pretty_fmt(f, self.rtm_scope));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         try!(write!(f, "),\n{}    rtm_type: {},\n", i_s, self.rtm_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         try!(write!(f, "{}    rtm_flags: {:#X} (", i_s, self.rtm_flags));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         try!(RtmFlags::pretty_fmt(f, self.rtm_flags as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         try!(write!(f, "),\n{}    rtm_attr: [ ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             try!(a.pretty_fmt(f, indent+1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:338:17
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 try!(write!(f, ",\n{}", i_s_p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:364:27
[INFO] [stdout]     |
[INFO] [stdout] 364 |         s.ndm_confirmed = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:365:22
[INFO] [stdout]     |
[INFO] [stdout] 365 |         s.ndm_used = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 |         s.ndm_updated = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |         s.ndm_flags = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         try!(write!(f, "{}    ndm_confirmed: {},\n", indent, self.ndm_confirmed));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         try!(write!(f, "{}    ndm_used: {},\n", indent, self.ndm_used));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 376 |         try!(write!(f, "{}    ndm_updated: {:#X},\n", indent, self.ndm_updated));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         try!(write!(f, "{}    ndm_flags: {:#X},\n", indent, self.ndm_flags));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:405:24
[INFO] [stdout]     |
[INFO] [stdout] 405 |         s.ndm_family = try!(cursor.read_u8());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:407:23
[INFO] [stdout]     |
[INFO] [stdout] 407 |         _ndm_pad_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:409:24
[INFO] [stdout]     |
[INFO] [stdout] 409 |         _ndm_pad_u16 = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:410:25
[INFO] [stdout]     |
[INFO] [stdout] 410 |         s.ndm_ifindex = try!(cursor.read_i32::<NativeEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:411:23
[INFO] [stdout]     |
[INFO] [stdout] 411 |         s.ndm_state = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |         s.ndm_flags = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:414:23
[INFO] [stdout]     |
[INFO] [stdout] 414 |         ndm_type_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:423:33
[INFO] [stdout]     |
[INFO] [stdout] 423 |             let ndm_cacheinfo = try!(NdaCacheinfo::read(cursor));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:428:24
[INFO] [stdout]     |
[INFO] [stdout] 428 |             let attr = try!(Rtattr::<NdAttr>::read(cursor));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 437 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:438:9
[INFO] [stdout]     |
[INFO] [stdout] 438 |         try!(write!(f, "{}    ndm_family: {},\n", i_s, self.ndm_family));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |         try!(write!(f, "{}    ndm_ifindex: {},\n", i_s, self.ndm_ifindex));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:440:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         try!(write!(f, "{}    ndm_state: {:#X} (", i_s, self.ndm_state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         try!(NdState::pretty_fmt(f, self.ndm_state as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         try!(write!(f, "),\n{}    ndm_flags: {:#X} (", i_s, self.ndm_flags));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |         try!(NdFlags::pretty_fmt(f, self.ndm_flags as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |         try!(write!(f, "),\n{}    ndm_type: {},\n", i_s, self.ndm_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |         try!(write!(f, "{}    ndm_cacheinfo: ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:447:21
[INFO] [stdout]     |
[INFO] [stdout] 447 |             None => try!(write!(f, "None")),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:448:36
[INFO] [stdout]     |
[INFO] [stdout] 448 |             Some(ref cacheinfo) => try!(cacheinfo.pretty_fmt(f, indent+1)),
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         try!(write!(f, ",\n{}    ndm_attr: [ ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:455:13
[INFO] [stdout]     |
[INFO] [stdout] 455 |             try!(a.pretty_fmt(f, indent+1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:457:17
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 try!(write!(f, ",\n{}", i_s_p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:485:24
[INFO] [stdout]     |
[INFO] [stdout] 485 |         s.tcm_family = try!(cursor.read_u8());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:487:23
[INFO] [stdout]     |
[INFO] [stdout] 487 |         _tcm_pad_u8 = try!(cursor.read_u8());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:489:24
[INFO] [stdout]     |
[INFO] [stdout] 489 |         _tcm_pad_u16 = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:490:25
[INFO] [stdout]     |
[INFO] [stdout] 490 |         s.tcm_ifindex = try!(cursor.read_i32::<NativeEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:491:24
[INFO] [stdout]     |
[INFO] [stdout] 491 |         s.tcm_handle = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:492:24
[INFO] [stdout]     |
[INFO] [stdout] 492 |         s.tcm_parent = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:493:22
[INFO] [stdout]     |
[INFO] [stdout] 493 |         s.tcm_info = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:497:24
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let attr = try!(Rtattr::<TcAttr>::read(cursor));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:507:9
[INFO] [stdout]     |
[INFO] [stdout] 507 |         try!(write!(f, "{}    tcm_family: {},\n", i_s, self.tcm_family));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 |         try!(write!(f, "{}    tcm_ifindex: {},\n", i_s, self.tcm_ifindex));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |         try!(write!(f, "{}    tcm_handle: {:#X},\n", i_s, self.tcm_handle));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |         try!(write!(f, "{}    tcm_parent: {:#X},\n", i_s, self.tcm_parent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:511:9
[INFO] [stdout]     |
[INFO] [stdout] 511 |         try!(write!(f, "{}    tcm_info: {},\n", i_s, self.tcm_info));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |         try!(write!(f, "{}    tcm_attr: [ ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:517:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |             try!(a.pretty_fmt(f, indent+1));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/rtnetlink.rs:519:17
[INFO] [stdout]     |
[INFO] [stdout] 519 |                 try!(write!(f, ",\n{}", i_s_p));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/nl_msg_flags.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     try!(write!(f, "|"));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/nl-dump-592464348a53adcd/out/nl_msg_flags.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 try!(write!(f, "{}", flag));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |         c.header_type = try!(cursor.read_u16::<BigEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:77:25
[INFO] [stdout]    |
[INFO] [stdout] 77 |         c.arphdr_type = try!(cursor.read_u16::<BigEndian>());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |         c.address_length = try!(cursor.read_u16::<BigEndian>());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |             *a = try!(cursor.read_u8());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:82:34
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let netlink_family_u16 = try!(cursor.read_u16::<BigEndian>());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(write!(f, "{{\n"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(write!(f, "{}    header_type: {},\n", indent, self.header_type));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(write!(f, "{}    arphdr_type: {},\n", indent, self.arphdr_type));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/nl/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         try!(write!(f, "{}    address_length: {},\n", indent, self.address_length));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         try!(write!(f, "{}    address = [", indent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             try!(write!(f, " {}", a));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 try!(write!(f, ","));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         try!(write!(f, " ],\n{}    netlink_family: {},\n", indent, self.netlink_family));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:157:23
[INFO] [stdout]     |
[INFO] [stdout] 157 |         s.nlmsg_len = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:158:26
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let nlmsg_type = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:177:25
[INFO] [stdout]     |
[INFO] [stdout] 177 |         s.nlmsg_flags = try!(cursor.read_u16::<NativeEndian>());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |         s.nlmsg_seq = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:179:23
[INFO] [stdout]     |
[INFO] [stdout] 179 |         s.nlmsg_pid = try!(cursor.read_u32::<NativeEndian>());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(write!(f, "{}    nlmsg_len: {},\n", indent, self.nlmsg_len));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         try!(write!(f, "{}    nlmsg_type: {},\n", indent, self.nlmsg_type));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(write!(f, "{}    nlmsg_flags: {:#X} (", indent, self.nlmsg_flags));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!(NlMsgFlags::pretty_fmt(f, self.nlmsg_flags as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         try!(write!(f, "),\n{}    nlmsg_seq: {},\n", indent, self.nlmsg_seq));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |         try!(write!(f, "{}    nlmsg_pid: {},\n", indent, self.nlmsg_pid));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 try!(write!(f, "Ifinfomsg( "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:298:17
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 try!(u.pretty_fmt(f, indent+1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:301:17
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 try!(write!(f, "Ifaddrmsg( "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:302:17
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 try!(u.pretty_fmt(f, indent+1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:305:17
[INFO] [stdout]     |
[INFO] [stdout] 305 |                 try!(write!(f, "Rtmsg( "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 try!(u.pretty_fmt(f, indent+1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 try!(write!(f, "Ndmsg( "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 try!(u.pretty_fmt(f, indent+1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:313:17
[INFO] [stdout]     |
[INFO] [stdout] 313 |                 try!(write!(f, "Tcmsg( "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:314:17
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 try!(u.pretty_fmt(f, indent+1));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         try!(write!(f, "{{\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         try!(write!(f, "{}    netlink_family: {},\n", i_s, self.netlink_family));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         try!(write!(f, "{}    nlmsghdr: ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         try!(self.nlmsghdr.pretty_fmt(f, indent+1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         try!(write!(f, ",\n{}    nlmsg: ", i_s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/nl/mod.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |         try!(self.nlmsg.pretty_fmt(f, indent+1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/nl/rtnetlink.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::std::io::{Cursor, Result};
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/nl/mod.rs:161:15
[INFO] [stdout]     |
[INFO] [stdout] 161 |             1 ... 4 => NlMsgTypeEnum::NlMsgType(netlink::NlMsgType::from_u64(nlmsg_type as u64).unwrap()),
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::std::io::prelude`
[INFO] [stdout]  --> src/nl/rtnetlink.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ::std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private trait `nl::Pretty` in public interface (error E0445)
[INFO] [stdout]    --> src/nl/mod.rs:400:1
[INFO] [stdout]     |
[INFO] [stdout] 400 | / impl<'a, T> fmt::Display for Indent<'a, T> where T: Pretty {
[INFO] [stdout] 401 | |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout] 402 | |         self.t.pretty_fmt(f, self.i)
[INFO] [stdout] 403 | |     }
[INFO] [stdout] 404 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.nl_dump.6dliwd90-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988" "/opt/rustwide/target/debug/deps/nl_dump-623039fba978f988.3vhyvdt349sa55pe.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum-1b7f5664df19e39a.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-3b0ada203a6dc861.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-50167ae8452b1f52.rlib" "/opt/rustwide/target/debug/deps/librand-c5727a6373d97595.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-95b3daa9cd0436a9.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-d833c3470fa60f44.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-6cc2bae55fe479a2.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c0aa1ac2f0769395.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-2de2b3e19ad17644.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f4a3ecd5e4a50290.rlib" "/opt/rustwide/target/debug/deps/libpcap-f4e90bdb93e16bb7.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-012ec1473f96b2e6.rlib" "/opt/rustwide/target/debug/deps/libregex-d81d9c3526f46098.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-f3b1a88dafe69a35.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-0f30367a12de9575.rlib" "/opt/rustwide/target/debug/deps/libthread_local-80f15b4a453d4cf2.rlib" "/opt/rustwide/target/debug/deps/libthread_id-4440277b0d8e5c49.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-285048991994ca97.rlib" "/opt/rustwide/target/debug/deps/libmemchr-cf456b39fb018017.rlib" "/opt/rustwide/target/debug/deps/liblog-bb9f71d1569cdaf1.rlib" "/opt/rustwide/target/debug/deps/liblog-93951ff8e53c2b76.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b00c34326580381c.rlib" "/opt/rustwide/target/debug/deps/libgetopts-b8a8feb027e6d7a9.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-4f447c2431100104.rlib" "/opt/rustwide/target/debug/deps/liblibc-e834449672905d13.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.rlib" "-Wl,-Bdynamic" "-lpcap" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lpcap
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 180 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nl-dump`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8f3cd7f28b083fe6699e66ac4ffd2e3e63b2fade5a6d100d757c83192ce43cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3cd7f28b083fe6699e66ac4ffd2e3e63b2fade5a6d100d757c83192ce43cc1", kill_on_drop: false }`
[INFO] [stdout] 8f3cd7f28b083fe6699e66ac4ffd2e3e63b2fade5a6d100d757c83192ce43cc1