[INFO] crate elastic_types 0.21.0-pre.4 is already in cache
[INFO] checking elastic_types-0.21.0-pre.4 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate elastic_types 0.21.0-pre.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate elastic_types 0.21.0-pre.4 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate elastic_types 0.21.0-pre.4
[INFO] finished tweaking crates.io crate elastic_types 0.21.0-pre.4
[INFO] tweaked toml for crates.io crate elastic_types 0.21.0-pre.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d4ab125e23b610d422d84e628207430af98dbe52455b2e8e1bbf8f5882fb617a
[INFO] running `"docker" "start" "-a" "d4ab125e23b610d422d84e628207430af98dbe52455b2e8e1bbf8f5882fb617a"`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking clamp v0.1.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling json_str v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking geo v0.4.13
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking geohash v0.4.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]    Compiling elastic_types_derive_internals v0.21.0-pre.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling elastic_types_derive v0.21.0-pre.4
[INFO] [stderr]     Checking spade v1.8.2
[INFO] [stderr]     Checking geo v0.6.3
[INFO] [stderr]     Checking geojson v0.9.1
[INFO] [stderr]     Checking elastic_types v0.21.0-pre.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/private/impls.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut state = try!(serializer.serialize_struct("mapping", 1));
[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/private/impls.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(state.serialize_field("type", DefaultMapping::data_type()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boolean/mapping.rs:154:29
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let mut state = try!(serializer.serialize_struct("mapping", 6));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boolean/mapping.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             ser_field!(state, "null_value", TMapping::null_value());
[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/date/mapping.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |             let mut state = try!(serializer.serialize_struct("mapping", 9));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/date/mapping.rs:241:13
[INFO] [stderr]     |
[INFO] [stderr] 241 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/date/mapping.rs:242:13
[INFO] [stderr]     |
[INFO] [stderr] 242 |             try!(state.serialize_field("format", TMapping::Format::name()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:246:13
[INFO] [stderr]     |
[INFO] [stderr] 246 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             ser_field!(state, "ignore_malformed", TMapping::ignore_malformed());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 250 |             ser_field!(state, "null_value", TMapping::null_value());
[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/document/mapping.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 try!(serializer.serialize_struct("properties", TMapping::Properties::props_len()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(TMapping::Properties::serialize_props(&mut state));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:194:29
[INFO] [stderr]     |
[INFO] [stderr] 194 |             let mut state = try!(serializer.serialize_struct("mapping", props_len));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(state.serialize_field("type", ty));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/document/mapping.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |             ser_field!(state, "dynamic", TMapping::dynamic());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/document/mapping.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/document/mapping.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 ser_field!(state, "enabled", TMapping::enabled());
[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/document/mapping.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 try!(state
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:234:29
[INFO] [stderr]     |
[INFO] [stderr] 234 |             let mut state = try!(serializer.serialize_struct("mapping", 1));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             try!(state.serialize_field("properties", &Properties::<TMapping> { _m: PhantomData }));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/point/mapping.rs:200:29
[INFO] [stderr]     |
[INFO] [stderr] 200 |             let mut state = try!(serializer.serialize_struct("mapping", 6));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/point/mapping.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |             ser_field!(state, "geohash", TMapping::geohash());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             ser_field!(state, "geohash_precision", TMapping::geohash_precision());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |             ser_field!(state, "geohash_prefix", TMapping::geohash_prefix());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             ser_field!(state, "ignore_malformed", TMapping::ignore_malformed());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             ser_field!(state, "lat_lon", TMapping::lat_lon());
[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/geo/point/formats.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let point = try!(GeoPointObjectType::deserialize(deserializer));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/geo/point/formats.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let fmtd = try!(deserializer.deserialize_string(PointVisitor));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/point/formats.rs:158:20
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let hash = try!(deserializer.deserialize_string(PointVisitor));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/shape/mapping.rs:270:29
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/shape/mapping.rs:272:13
[INFO] [stderr]     |
[INFO] [stderr] 272 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |             ser_field!(state, "tree", TMapping::tree());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             ser_field!(state, "precision", TMapping::precision());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             ser_field!(state, "tree_levels", TMapping::tree_levels());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |             ser_field!(state, "strategy", TMapping::strategy());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |             ser_field!(state, "distance_error_pct", TMapping::distance_error_pct());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |             ser_field!(state, "orientation", TMapping::orientation());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:280:13
[INFO] [stderr]     |
[INFO] [stderr] 280 |             ser_field!(state, "points_only", TMapping::points_only());
[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/geo/shape/impls.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let t = try!(Geometry::deserialize(deserializer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ip/mapping.rs:155:29
[INFO] [stderr]     |
[INFO] [stderr] 155 |             let mut state = try!(serializer.serialize_struct("mapping", 6));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ip/mapping.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             ser_field!(state, "null_value", TMapping::null_value());
[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/ip/impls.rs:154:26
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 let de = try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ip/impls.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     try!(Ipv4Addr::from_str(v).map_err(|e| E::custom(e.description().to_string())));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 | number_type!(Integer, IntegerMapping, IntegerFieldType, i32);
[INFO] [stderr]    | ------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 | number_type!(Long, LongMapping, LongFieldType, i64);
[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/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 | number_type!(Short, ShortMapping, ShortFieldType, i16);
[INFO] [stderr]    | ------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 | number_type!(Byte, ByteMapping, ByteFieldType, i8);
[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/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 | number_type!(Float, FloatMapping, FloatFieldType, f32);
[INFO] [stderr]    | ------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 | number_type!(Double, DoubleMapping, DoubleFieldType, f64);
[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/string/keyword/mapping.rs:286:25
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut state = try!(serializer.serialize_struct("mapping", 12));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/keyword/mapping.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         try!(state.serialize_field("type", DefaultKeywordMapping::data_type()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         ser_field!(state, "doc_values", self.doc_values);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         ser_field!(state, "eager_global_ordinals", self.eager_global_ordinals);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:293:9
[INFO] [stderr]     |
[INFO] [stderr] 293 |         ser_field!(state, "include_in_all", self.include_in_all);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         ser_field!(state, "ignore_above", self.ignore_above);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         ser_field!(state, "index", self.index);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         ser_field!(state, "index_options", self.index_options);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         ser_field!(state, "norms", self.norms);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         ser_field!(state, "store", self.store);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:299:9
[INFO] [stderr]     |
[INFO] [stderr] 299 |         ser_field!(state, "search_analyzer", self.search_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         ser_field!(state, "similarity", self.similarity);
[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/string/keyword/mapping.rs:352:29
[INFO] [stderr]     |
[INFO] [stderr] 352 |             let mut state = try!(serializer.serialize_struct("mapping", 15));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/keyword/mapping.rs:354:13
[INFO] [stderr]     |
[INFO] [stderr] 354 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:356:13
[INFO] [stderr]     |
[INFO] [stderr] 356 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             ser_field!(state, "analyzer", TMapping::analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 | /             ser_field!(
[INFO] [stderr] 360 | |                 state,
[INFO] [stderr] 361 | |                 "eager_global_ordinals",
[INFO] [stderr] 362 | |                 TMapping::eager_global_ordinals()
[INFO] [stderr] 363 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:364:13
[INFO] [stderr]     |
[INFO] [stderr] 364 |             ser_field!(state, "fields", TMapping::fields());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:365:13
[INFO] [stderr]     |
[INFO] [stderr] 365 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:366:13
[INFO] [stderr]     |
[INFO] [stderr] 366 |             ser_field!(state, "ignore_above", TMapping::ignore_above());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |             ser_field!(state, "index_options", TMapping::index_options());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |             ser_field!(state, "norms", TMapping::norms());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             ser_field!(state, "null_value", TMapping::null_value());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:371:13
[INFO] [stderr]     |
[INFO] [stderr] 371 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:372:13
[INFO] [stderr]     |
[INFO] [stderr] 372 |             ser_field!(state, "search_analyzer", TMapping::search_analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             ser_field!(state, "similarity", TMapping::similarity());
[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/string/text/mapping.rs:294:25
[INFO] [stderr]     |
[INFO] [stderr] 294 |         let mut state = try!(serializer.serialize_struct("mapping", 3));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         ser_field!(state, "min", self.min);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         ser_field!(state, "max", self.max);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         ser_field!(state, "min_segment_size", self.min_segment_size);
[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/string/text/mapping.rs:386:25
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut state = try!(serializer.serialize_struct("mapping", 16));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/text/mapping.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         try!(state.serialize_field("type", DefaultTextMapping::data_type()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:390:9
[INFO] [stderr]     |
[INFO] [stderr] 390 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 |         ser_field!(state, "eager_global_ordinals", self.eager_global_ordinals);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 |         ser_field!(state, "fielddata", self.fielddata);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:393:9
[INFO] [stderr]     |
[INFO] [stderr] 393 | /         ser_field!(
[INFO] [stderr] 394 | |             state,
[INFO] [stderr] 395 | |             "fielddata_frequency_filter",
[INFO] [stderr] 396 | |             self.fielddata_frequency_filter
[INFO] [stderr] 397 | |         );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:398:9
[INFO] [stderr]     |
[INFO] [stderr] 398 |         ser_field!(state, "include_in_all", self.include_in_all);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         ser_field!(state, "ignore_above", self.ignore_above);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         ser_field!(state, "index", self.index);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         ser_field!(state, "index_options", self.index_options);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |         ser_field!(state, "norms", self.norms);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         ser_field!(state, "position_increment_gap", self.position_increment_gap);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:404:9
[INFO] [stderr]     |
[INFO] [stderr] 404 |         ser_field!(state, "store", self.store);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:405:9
[INFO] [stderr]     |
[INFO] [stderr] 405 |         ser_field!(state, "search_analyzer", self.search_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 |         ser_field!(state, "search_quote_analyzer", self.search_quote_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:407:9
[INFO] [stderr]     |
[INFO] [stderr] 407 |         ser_field!(state, "similarity", self.similarity);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         ser_field!(state, "term_vector", self.term_vector);
[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/string/text/mapping.rs:460:29
[INFO] [stderr]     |
[INFO] [stderr] 460 |             let mut state = try!(serializer.serialize_struct("mapping", 18));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/text/mapping.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:464:13
[INFO] [stderr]     |
[INFO] [stderr] 464 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:465:13
[INFO] [stderr]     |
[INFO] [stderr] 465 |             ser_field!(state, "analyzer", TMapping::analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:466:13
[INFO] [stderr]     |
[INFO] [stderr] 466 | /             ser_field!(
[INFO] [stderr] 467 | |                 state,
[INFO] [stderr] 468 | |                 "eager_global_ordinals",
[INFO] [stderr] 469 | |                 TMapping::eager_global_ordinals()
[INFO] [stderr] 470 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:471:13
[INFO] [stderr]     |
[INFO] [stderr] 471 |             ser_field!(state, "fielddata", TMapping::fielddata());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 | /             ser_field!(
[INFO] [stderr] 473 | |                 state,
[INFO] [stderr] 474 | |                 "fielddata_frequency_filter",
[INFO] [stderr] 475 | |                 TMapping::fielddata_frequency_filter()
[INFO] [stderr] 476 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             ser_field!(state, "fields", TMapping::fields());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:478:13
[INFO] [stderr]     |
[INFO] [stderr] 478 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |             ser_field!(state, "ignore_above", TMapping::ignore_above());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:480:13
[INFO] [stderr]     |
[INFO] [stderr] 480 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:481:13
[INFO] [stderr]     |
[INFO] [stderr] 481 |             ser_field!(state, "index_options", TMapping::index_options());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:482:13
[INFO] [stderr]     |
[INFO] [stderr] 482 |             ser_field!(state, "norms", TMapping::norms());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 | /             ser_field!(
[INFO] [stderr] 484 | |                 state,
[INFO] [stderr] 485 | |                 "position_increment_gap",
[INFO] [stderr] 486 | |                 TMapping::position_increment_gap()
[INFO] [stderr] 487 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:489:13
[INFO] [stderr]     |
[INFO] [stderr] 489 |             ser_field!(state, "search_analyzer", TMapping::search_analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:490:13
[INFO] [stderr]     |
[INFO] [stderr] 490 | /             ser_field!(
[INFO] [stderr] 491 | |                 state,
[INFO] [stderr] 492 | |                 "search_quote_analyzer",
[INFO] [stderr] 493 | |                 TMapping::search_quote_analyzer()
[INFO] [stderr] 494 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:495:13
[INFO] [stderr]     |
[INFO] [stderr] 495 |             ser_field!(state, "similarity", TMapping::similarity());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:496:13
[INFO] [stderr]     |
[INFO] [stderr] 496 |             ser_field!(state, "term_vector", TMapping::term_vector());
[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/string/mapping.rs:144:25
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/mapping.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(state.serialize_field("type", "token_count"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         ser_field!(state, "boost", self.boost);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         ser_field!(state, "doc_values", self.doc_values);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         ser_field!(state, "index", self.index);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         ser_field!(state, "include_in_all", self.include_in_all);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         ser_field!(state, "precision_step", self.precision_step);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         ser_field!(state, "store", self.store);
[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/string/mapping.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let mut state = try!(serializer.serialize_struct("mapping", 7));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/mapping.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |         try!(state.serialize_field("type", "completion"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         ser_field!(state, "search_analyzer", self.search_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         ser_field!(state, "payloads", self.payloads);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         ser_field!(state, "preserve_separators", self.preserve_separators);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 | /         ser_field!(
[INFO] [stderr] 212 | |             state,
[INFO] [stderr] 213 | |             "preserve_position_increments",
[INFO] [stderr] 214 | |             self.preserve_position_increments
[INFO] [stderr] 215 | |         );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         ser_field!(state, "max_input_length", self.max_input_length);
[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/date/format.rs:316:32
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/private/impls.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut state = try!(serializer.serialize_struct("mapping", 1));
[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/private/impls.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(state.serialize_field("type", DefaultMapping::data_type()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boolean/mapping.rs:154:29
[INFO] [stderr]     |
[INFO] [stderr] 154 |             let mut state = try!(serializer.serialize_struct("mapping", 6));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/boolean/mapping.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/boolean/mapping.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             ser_field!(state, "null_value", TMapping::null_value());
[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/date/mapping.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |             let mut state = try!(serializer.serialize_struct("mapping", 9));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/date/mapping.rs:241:13
[INFO] [stderr]     |
[INFO] [stderr] 241 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/date/mapping.rs:242:13
[INFO] [stderr]     |
[INFO] [stderr] 242 |             try!(state.serialize_field("format", TMapping::Format::name()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:246:13
[INFO] [stderr]     |
[INFO] [stderr] 246 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:248:13
[INFO] [stderr]     |
[INFO] [stderr] 248 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             ser_field!(state, "ignore_malformed", TMapping::ignore_malformed());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/date/mapping.rs:250:13
[INFO] [stderr]     |
[INFO] [stderr] 250 |             ser_field!(state, "null_value", TMapping::null_value());
[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/document/mapping.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 try!(serializer.serialize_struct("properties", TMapping::Properties::props_len()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:170:13
[INFO] [stderr]     |
[INFO] [stderr] 170 |             try!(TMapping::Properties::serialize_props(&mut state));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:194:29
[INFO] [stderr]     |
[INFO] [stderr] 194 |             let mut state = try!(serializer.serialize_struct("mapping", props_len));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(state.serialize_field("type", ty));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/document/mapping.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |             ser_field!(state, "dynamic", TMapping::dynamic());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/document/mapping.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/document/mapping.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 ser_field!(state, "enabled", TMapping::enabled());
[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/document/mapping.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 try!(state
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:234:29
[INFO] [stderr]     |
[INFO] [stderr] 234 |             let mut state = try!(serializer.serialize_struct("mapping", 1));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/document/mapping.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             try!(state.serialize_field("properties", &Properties::<TMapping> { _m: PhantomData }));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/point/mapping.rs:200:29
[INFO] [stderr]     |
[INFO] [stderr] 200 |             let mut state = try!(serializer.serialize_struct("mapping", 6));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/point/mapping.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |             ser_field!(state, "geohash", TMapping::geohash());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             ser_field!(state, "geohash_precision", TMapping::geohash_precision());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |             ser_field!(state, "geohash_prefix", TMapping::geohash_prefix());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             ser_field!(state, "ignore_malformed", TMapping::ignore_malformed());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/point/mapping.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             ser_field!(state, "lat_lon", TMapping::lat_lon());
[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/geo/point/formats.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let point = try!(GeoPointObjectType::deserialize(deserializer));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/geo/point/formats.rs:92:20
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let fmtd = try!(deserializer.deserialize_string(PointVisitor));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/point/formats.rs:158:20
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let hash = try!(deserializer.deserialize_string(PointVisitor));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/shape/mapping.rs:270:29
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/geo/shape/mapping.rs:272:13
[INFO] [stderr]     |
[INFO] [stderr] 272 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |             ser_field!(state, "tree", TMapping::tree());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |             ser_field!(state, "precision", TMapping::precision());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             ser_field!(state, "tree_levels", TMapping::tree_levels());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |             ser_field!(state, "strategy", TMapping::strategy());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |             ser_field!(state, "distance_error_pct", TMapping::distance_error_pct());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:279:13
[INFO] [stderr]     |
[INFO] [stderr] 279 |             ser_field!(state, "orientation", TMapping::orientation());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/geo/shape/mapping.rs:280:13
[INFO] [stderr]     |
[INFO] [stderr] 280 |             ser_field!(state, "points_only", TMapping::points_only());
[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/geo/shape/impls.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let t = try!(Geometry::deserialize(deserializer));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ip/mapping.rs:155:29
[INFO] [stderr]     |
[INFO] [stderr] 155 |             let mut state = try!(serializer.serialize_struct("mapping", 6));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ip/mapping.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/ip/mapping.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             ser_field!(state, "null_value", TMapping::null_value());
[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/ip/impls.rs:154:26
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 let de = try!(
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ip/impls.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     try!(Ipv4Addr::from_str(v).map_err(|e| E::custom(e.description().to_string())));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:185:1
[INFO] [stderr]     |
[INFO] [stderr] 185 | / number_mapping!(
[INFO] [stderr] 186 | |     IntegerMapping,
[INFO] [stderr] 187 | |     IntegerFormat,
[INFO] [stderr] 188 | |     IntegerFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |     private_i32
[INFO] [stderr] 192 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:193:1
[INFO] [stderr]     |
[INFO] [stderr] 193 | / number_mapping!(
[INFO] [stderr] 194 | |     LongMapping,
[INFO] [stderr] 195 | |     LongFormat,
[INFO] [stderr] 196 | |     LongFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 199 | |     private_i64
[INFO] [stderr] 200 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | / number_mapping!(
[INFO] [stderr] 202 | |     ShortMapping,
[INFO] [stderr] 203 | |     ShortFormat,
[INFO] [stderr] 204 | |     ShortFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 207 | |     private_i16
[INFO] [stderr] 208 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:209:1
[INFO] [stderr]     |
[INFO] [stderr] 209 | / number_mapping!(
[INFO] [stderr] 210 | |     ByteMapping,
[INFO] [stderr] 211 | |     ByteFormat,
[INFO] [stderr] 212 | |     ByteFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     private_i8
[INFO] [stderr] 216 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:217:1
[INFO] [stderr]     |
[INFO] [stderr] 217 | / number_mapping!(
[INFO] [stderr] 218 | |     FloatMapping,
[INFO] [stderr] 219 | |     FloatFormat,
[INFO] [stderr] 220 | |     FloatFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 223 | |     private_f32
[INFO] [stderr] 224 | | );
[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/number/mapping.rs:166:37
[INFO] [stderr]     |
[INFO] [stderr] 166 |                       let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/number/mapping.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                       try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/number/mapping.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | / number_mapping!(
[INFO] [stderr] 226 | |     DoubleMapping,
[INFO] [stderr] 227 | |     DoubleFormat,
[INFO] [stderr] 228 | |     DoubleFieldType,
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |     private_f64
[INFO] [stderr] 232 | | );
[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/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 | number_type!(Integer, IntegerMapping, IntegerFieldType, i32);
[INFO] [stderr]    | ------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 | number_type!(Long, LongMapping, LongFieldType, i64);
[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/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 | number_type!(Short, ShortMapping, ShortFieldType, i16);
[INFO] [stderr]    | ------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 | number_type!(Byte, ByteMapping, ByteFieldType, i8);
[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/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 | number_type!(Float, FloatMapping, FloatFieldType, f32);
[INFO] [stderr]    | ------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/number/impls.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let t = try!($std_ty::deserialize(deserializer));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 | number_type!(Double, DoubleMapping, DoubleFieldType, f64);
[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/string/keyword/mapping.rs:286:25
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut state = try!(serializer.serialize_struct("mapping", 12));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/keyword/mapping.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         try!(state.serialize_field("type", DefaultKeywordMapping::data_type()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         ser_field!(state, "doc_values", self.doc_values);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:292:9
[INFO] [stderr]     |
[INFO] [stderr] 292 |         ser_field!(state, "eager_global_ordinals", self.eager_global_ordinals);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:293:9
[INFO] [stderr]     |
[INFO] [stderr] 293 |         ser_field!(state, "include_in_all", self.include_in_all);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         ser_field!(state, "ignore_above", self.ignore_above);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         ser_field!(state, "index", self.index);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         ser_field!(state, "index_options", self.index_options);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         ser_field!(state, "norms", self.norms);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         ser_field!(state, "store", self.store);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:299:9
[INFO] [stderr]     |
[INFO] [stderr] 299 |         ser_field!(state, "search_analyzer", self.search_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         ser_field!(state, "similarity", self.similarity);
[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/string/keyword/mapping.rs:352:29
[INFO] [stderr]     |
[INFO] [stderr] 352 |             let mut state = try!(serializer.serialize_struct("mapping", 15));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/keyword/mapping.rs:354:13
[INFO] [stderr]     |
[INFO] [stderr] 354 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:356:13
[INFO] [stderr]     |
[INFO] [stderr] 356 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             ser_field!(state, "analyzer", TMapping::analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             ser_field!(state, "doc_values", TMapping::doc_values());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 | /             ser_field!(
[INFO] [stderr] 360 | |                 state,
[INFO] [stderr] 361 | |                 "eager_global_ordinals",
[INFO] [stderr] 362 | |                 TMapping::eager_global_ordinals()
[INFO] [stderr] 363 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:364:13
[INFO] [stderr]     |
[INFO] [stderr] 364 |             ser_field!(state, "fields", TMapping::fields());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:365:13
[INFO] [stderr]     |
[INFO] [stderr] 365 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:366:13
[INFO] [stderr]     |
[INFO] [stderr] 366 |             ser_field!(state, "ignore_above", TMapping::ignore_above());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:367:13
[INFO] [stderr]     |
[INFO] [stderr] 367 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |             ser_field!(state, "index_options", TMapping::index_options());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |             ser_field!(state, "norms", TMapping::norms());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             ser_field!(state, "null_value", TMapping::null_value());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:371:13
[INFO] [stderr]     |
[INFO] [stderr] 371 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:372:13
[INFO] [stderr]     |
[INFO] [stderr] 372 |             ser_field!(state, "search_analyzer", TMapping::search_analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/keyword/mapping.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             ser_field!(state, "similarity", TMapping::similarity());
[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/string/text/mapping.rs:294:25
[INFO] [stderr]     |
[INFO] [stderr] 294 |         let mut state = try!(serializer.serialize_struct("mapping", 3));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         ser_field!(state, "min", self.min);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |         ser_field!(state, "max", self.max);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         ser_field!(state, "min_segment_size", self.min_segment_size);
[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/string/text/mapping.rs:386:25
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut state = try!(serializer.serialize_struct("mapping", 16));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/text/mapping.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         try!(state.serialize_field("type", DefaultTextMapping::data_type()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:390:9
[INFO] [stderr]     |
[INFO] [stderr] 390 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 |         ser_field!(state, "eager_global_ordinals", self.eager_global_ordinals);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 |         ser_field!(state, "fielddata", self.fielddata);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:393:9
[INFO] [stderr]     |
[INFO] [stderr] 393 | /         ser_field!(
[INFO] [stderr] 394 | |             state,
[INFO] [stderr] 395 | |             "fielddata_frequency_filter",
[INFO] [stderr] 396 | |             self.fielddata_frequency_filter
[INFO] [stderr] 397 | |         );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:398:9
[INFO] [stderr]     |
[INFO] [stderr] 398 |         ser_field!(state, "include_in_all", self.include_in_all);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         ser_field!(state, "ignore_above", self.ignore_above);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         ser_field!(state, "index", self.index);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         ser_field!(state, "index_options", self.index_options);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |         ser_field!(state, "norms", self.norms);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         ser_field!(state, "position_increment_gap", self.position_increment_gap);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:404:9
[INFO] [stderr]     |
[INFO] [stderr] 404 |         ser_field!(state, "store", self.store);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:405:9
[INFO] [stderr]     |
[INFO] [stderr] 405 |         ser_field!(state, "search_analyzer", self.search_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 |         ser_field!(state, "search_quote_analyzer", self.search_quote_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:407:9
[INFO] [stderr]     |
[INFO] [stderr] 407 |         ser_field!(state, "similarity", self.similarity);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         ser_field!(state, "term_vector", self.term_vector);
[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/string/text/mapping.rs:460:29
[INFO] [stderr]     |
[INFO] [stderr] 460 |             let mut state = try!(serializer.serialize_struct("mapping", 18));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/text/mapping.rs:462:13
[INFO] [stderr]     |
[INFO] [stderr] 462 |             try!(state.serialize_field("type", TMapping::data_type()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:464:13
[INFO] [stderr]     |
[INFO] [stderr] 464 |             ser_field!(state, "boost", TMapping::boost());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:465:13
[INFO] [stderr]     |
[INFO] [stderr] 465 |             ser_field!(state, "analyzer", TMapping::analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:466:13
[INFO] [stderr]     |
[INFO] [stderr] 466 | /             ser_field!(
[INFO] [stderr] 467 | |                 state,
[INFO] [stderr] 468 | |                 "eager_global_ordinals",
[INFO] [stderr] 469 | |                 TMapping::eager_global_ordinals()
[INFO] [stderr] 470 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:471:13
[INFO] [stderr]     |
[INFO] [stderr] 471 |             ser_field!(state, "fielddata", TMapping::fielddata());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:472:13
[INFO] [stderr]     |
[INFO] [stderr] 472 | /             ser_field!(
[INFO] [stderr] 473 | |                 state,
[INFO] [stderr] 474 | |                 "fielddata_frequency_filter",
[INFO] [stderr] 475 | |                 TMapping::fielddata_frequency_filter()
[INFO] [stderr] 476 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             ser_field!(state, "fields", TMapping::fields());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:478:13
[INFO] [stderr]     |
[INFO] [stderr] 478 |             ser_field!(state, "include_in_all", TMapping::include_in_all());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |             ser_field!(state, "ignore_above", TMapping::ignore_above());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:480:13
[INFO] [stderr]     |
[INFO] [stderr] 480 |             ser_field!(state, "index", TMapping::index());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:481:13
[INFO] [stderr]     |
[INFO] [stderr] 481 |             ser_field!(state, "index_options", TMapping::index_options());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:482:13
[INFO] [stderr]     |
[INFO] [stderr] 482 |             ser_field!(state, "norms", TMapping::norms());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 | /             ser_field!(
[INFO] [stderr] 484 | |                 state,
[INFO] [stderr] 485 | |                 "position_increment_gap",
[INFO] [stderr] 486 | |                 TMapping::position_increment_gap()
[INFO] [stderr] 487 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |             ser_field!(state, "store", TMapping::store());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:489:13
[INFO] [stderr]     |
[INFO] [stderr] 489 |             ser_field!(state, "search_analyzer", TMapping::search_analyzer());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:490:13
[INFO] [stderr]     |
[INFO] [stderr] 490 | /             ser_field!(
[INFO] [stderr] 491 | |                 state,
[INFO] [stderr] 492 | |                 "search_quote_analyzer",
[INFO] [stderr] 493 | |                 TMapping::search_quote_analyzer()
[INFO] [stderr] 494 | |             );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:495:13
[INFO] [stderr]     |
[INFO] [stderr] 495 |             ser_field!(state, "similarity", TMapping::similarity());
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/text/mapping.rs:496:13
[INFO] [stderr]     |
[INFO] [stderr] 496 |             ser_field!(state, "term_vector", TMapping::term_vector());
[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/string/mapping.rs:144:25
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let mut state = try!(serializer.serialize_struct("mapping", 8));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/mapping.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(state.serialize_field("type", "token_count"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         ser_field!(state, "boost", self.boost);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         ser_field!(state, "doc_values", self.doc_values);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         ser_field!(state, "index", self.index);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         ser_field!(state, "include_in_all", self.include_in_all);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         ser_field!(state, "precision_step", self.precision_step);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |         ser_field!(state, "store", self.store);
[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/string/mapping.rs:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let mut state = try!(serializer.serialize_struct("mapping", 7));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string/mapping.rs:205:9
[INFO] [stderr]     |
[INFO] [stderr] 205 |         try!(state.serialize_field("type", "completion"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         ser_field!(state, "analyzer", self.analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         ser_field!(state, "search_analyzer", self.search_analyzer);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         ser_field!(state, "payloads", self.payloads);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         ser_field!(state, "preserve_separators", self.preserve_separators);
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |               try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:211:9
[INFO] [stderr]     |
[INFO] [stderr] 211 | /         ser_field!(
[INFO] [stderr] 212 | |             state,
[INFO] [stderr] 213 | |             "preserve_position_increments",
[INFO] [stderr] 214 | |             self.preserve_position_increments
[INFO] [stderr] 215 | |         );
[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/private/macros.rs:4:13
[INFO] [stderr]     |
[INFO] [stderr] 4   |             try!($serializer.serialize_field($field, &f));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/string/mapping.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         ser_field!(state, "max_input_length", self.max_input_length);
[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/date/format.rs:316:32
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` 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/date/format.rs:311:52
[INFO] [stderr]     |
[INFO] [stderr] 311 |             ParseErrorKind::Chrono(ref err) => err.description(),
[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/date/formats.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |             .map_err(|e| e.description().to_string())?;
[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/date/format.rs:311:52
[INFO] [stderr]     |
[INFO] [stderr] 311 |             ParseErrorKind::Chrono(ref err) => err.description(),
[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/date/formats.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |             .map_err(|e| e.description().to_string())?;
[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/ip/impls.rs:155:68
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     Ipv4Addr::from_str(&v).map_err(|e| E::custom(e.description().to_string()))
[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/ip/impls.rs:166:72
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     try!(Ipv4Addr::from_str(v).map_err(|e| E::custom(e.description().to_string())));
[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/ip/impls.rs:155:68
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     Ipv4Addr::from_str(&v).map_err(|e| E::custom(e.description().to_string()))
[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/ip/impls.rs:166:72
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     try!(Ipv4Addr::from_str(v).map_err(|e| E::custom(e.description().to_string())));
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "d4ab125e23b610d422d84e628207430af98dbe52455b2e8e1bbf8f5882fb617a"`
[INFO] running `"docker" "rm" "-f" "d4ab125e23b610d422d84e628207430af98dbe52455b2e8e1bbf8f5882fb617a"`
[INFO] [stdout] d4ab125e23b610d422d84e628207430af98dbe52455b2e8e1bbf8f5882fb617a
