[INFO] crate rustc-serialize2 0.3.25 is already in cache
[INFO] checking rustc-serialize2-0.3.25 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate rustc-serialize2 0.3.25 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rustc-serialize2 0.3.25 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustc-serialize2 0.3.25
[INFO] finished tweaking crates.io crate rustc-serialize2 0.3.25
[INFO] tweaked toml for crates.io crate rustc-serialize2 0.3.25 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3dd20b067a33b54f6b46cb1dd617053769bf984cc5819a43d0ef41e2449b50b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3dd20b067a33b54f6b46cb1dd617053769bf984cc5819a43d0ef41e2449b50b1"`
[INFO] [stderr]     Checking rustc-serialize2 v0.3.25 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1124:21
[INFO] [stderr]      |
[INFO] [stderr] 1124 |         Ok(Box::new(try!(Decodable::decode(d))))
[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/serialize.rs:1130:25
[INFO] [stderr]      |
[INFO] [stderr] 1130 |         let v: Vec<T> = try!(Decodable::decode(d));
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1145:20
[INFO] [stderr]      |
[INFO] [stderr] 1145 |         Ok(Rc::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1161:23
[INFO] [stderr]      |
[INFO] [stderr] 1161 |         Ok(Cow::Owned(try!(Decodable::decode(d))))
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1169:17
[INFO] [stderr]      |
[INFO] [stderr] 1169 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)))
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1180:17
[INFO] [stderr]      |
[INFO] [stderr] 1180 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)))
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1192:24
[INFO] [stderr]      |
[INFO] [stderr] 1192 |                 v.push(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1214:25
[INFO] [stderr]      |
[INFO] [stderr] 1214 |                 Ok(Some(try!(Decodable::decode(d))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1228:25
[INFO] [stderr]      |
[INFO] [stderr] 1228 |                         try!(s.emit_enum_variant_arg(0, |s| {
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1236:25
[INFO] [stderr]      |
[INFO] [stderr] 1236 |                         try!(s.emit_enum_variant_arg(0, |s| {
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1402:30
[INFO] [stderr]      |
[INFO] [stderr] 1402 |         let bytes: Vec<u8> = try!(Decodable::decode(d));
[INFO] [stderr]      |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1427:22
[INFO] [stderr]      |
[INFO] [stderr] 1427 |         Ok(Cell::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1444:25
[INFO] [stderr]      |
[INFO] [stderr] 1444 |         Ok(RefCell::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1456:21
[INFO] [stderr]      |
[INFO] [stderr] 1456 |         Ok(Arc::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1509:17
[INFO] [stderr]      |
[INFO] [stderr] 1509 |                 try!(this.emit_seq_elt(i, |this| {
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1565:24
[INFO] [stderr]      |
[INFO] [stderr] 1565 |                 v.push(try!(this.read_seq_elt(i, |this| f(this))));
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 list.push_back(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 deque.push_back(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 try!(e.emit_map_elt_key(i, |e| key.encode(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try!(e.emit_map_elt_val(i, |e| val.encode(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:96:27
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 let key = try!(d.read_map_elt_key(i, |d| Decodable::decode(d)));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:97:27
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 let val = try!(d.read_map_elt_val(i, |d| Decodable::decode(d)));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 set.insert(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 try!(e.emit_map_elt_key(i, |e| key.encode(e)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 try!(e.emit_map_elt_val(i, |e| val.encode(e)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let key = try!(d.read_map_elt_key(i, |d| Decodable::decode(d)));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:162:27
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 let val = try!(d.read_map_elt_val(i, |d| Decodable::decode(d)));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 set.insert(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         try!(object.encode(&mut encoder));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:474:5
[INFO] [stderr]     |
[INFO] [stderr] 474 |     try!(wr.write_str("\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:519:13
[INFO] [stderr]     |
[INFO] [stderr] 519 |             try!(wr.write_str(&v[start..i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |         try!(wr.write_str(escaped));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:528:9
[INFO] [stderr]     |
[INFO] [stderr] 528 |         try!(wr.write_str(&v[start..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:531:5
[INFO] [stderr]     |
[INFO] [stderr] 531 |     try!(wr.write_str("\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         try!(wr.write_str(BUF));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:563:9
[INFO] [stderr]     |
[INFO] [stderr] 563 |         try!(wr.write_str(&BUF[..n]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:651:9
[INFO] [stderr]     |
[INFO] [stderr] 651 |         try!(write!(self.writer, "null"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 655 |     fn emit_usize(&mut self, v: usize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 655 |     fn emit_usize(&mut self, v: usize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 656 |     fn emit_u64(&mut self, v: u64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 656 |     fn emit_u64(&mut self, v: u64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 657 |     fn emit_u32(&mut self, v: u32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 657 |     fn emit_u32(&mut self, v: u32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 658 |     fn emit_u16(&mut self, v: u16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 658 |     fn emit_u16(&mut self, v: u16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 659 |     fn emit_u8(&mut self, v: u8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 659 |     fn emit_u8(&mut self, v: u8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 661 |     fn emit_isize(&mut self, v: isize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 661 |     fn emit_isize(&mut self, v: isize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 662 |     fn emit_i64(&mut self, v: i64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 662 |     fn emit_i64(&mut self, v: i64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 663 |     fn emit_i32(&mut self, v: i32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 663 |     fn emit_i32(&mut self, v: i32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 664 |     fn emit_i16(&mut self, v: i16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 664 |     fn emit_i16(&mut self, v: i16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 665 |     fn emit_i8(&mut self, v: i8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 665 |     fn emit_i8(&mut self, v: i8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:670:13
[INFO] [stderr]     |
[INFO] [stderr] 670 |             try!(write!(self.writer, "true"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:672:13
[INFO] [stderr]     |
[INFO] [stderr] 672 |             try!(write!(self.writer, "false"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 678 |         emit_enquoted_if_mapkey!(self, fmt_number_or_null(v))
[INFO] [stderr]     |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 678 |         emit_enquoted_if_mapkey!(self, fmt_number_or_null(v))
[INFO] [stderr]     |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:713:17
[INFO] [stderr]     |
[INFO] [stderr] 713 |                 try!(write!(self.writer, "{{\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:715:17
[INFO] [stderr]     |
[INFO] [stderr] 715 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:716:17
[INFO] [stderr]     |
[INFO] [stderr] 716 |                 try!(write!(self.writer, "\"variant\": "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:717:17
[INFO] [stderr]     |
[INFO] [stderr] 717 |                 try!(escape_str(self.writer, name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:718:17
[INFO] [stderr]     |
[INFO] [stderr] 718 |                 try!(write!(self.writer, ",\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:719:17
[INFO] [stderr]     |
[INFO] [stderr] 719 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:720:17
[INFO] [stderr]     |
[INFO] [stderr] 720 |                 try!(write!(self.writer, "\"fields\": [\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:723:17
[INFO] [stderr]     |
[INFO] [stderr] 723 |                 try!(write!(self.writer, "{{\"variant\":"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:724:17
[INFO] [stderr]     |
[INFO] [stderr] 724 |                 try!(escape_str(self.writer, name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:725:17
[INFO] [stderr]     |
[INFO] [stderr] 725 |                 try!(write!(self.writer, ",\"fields\":["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:727:13
[INFO] [stderr]     |
[INFO] [stderr] 727 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:730:17
[INFO] [stderr]     |
[INFO] [stderr] 730 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:731:17
[INFO] [stderr]     |
[INFO] [stderr] 731 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:733:17
[INFO] [stderr]     |
[INFO] [stderr] 733 |                 try!(write!(self.writer, "]\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:734:17
[INFO] [stderr]     |
[INFO] [stderr] 734 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:735:17
[INFO] [stderr]     |
[INFO] [stderr] 735 |                 try!(write!(self.writer, "}}"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:737:17
[INFO] [stderr]     |
[INFO] [stderr] 737 |                 try!(write!(self.writer, "]}}"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:748:13
[INFO] [stderr]     |
[INFO] [stderr] 748 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:750:17
[INFO] [stderr]     |
[INFO] [stderr] 750 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:754:13
[INFO] [stderr]     |
[INFO] [stderr] 754 |             try!(spaces(self.writer, curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:786:13
[INFO] [stderr]     |
[INFO] [stderr] 786 |             try!(write!(self.writer, "{{}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:788:13
[INFO] [stderr]     |
[INFO] [stderr] 788 |             try!(write!(self.writer, "{{"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:792:13
[INFO] [stderr]     |
[INFO] [stderr] 792 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:795:17
[INFO] [stderr]     |
[INFO] [stderr] 795 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:796:17
[INFO] [stderr]     |
[INFO] [stderr] 796 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:798:13
[INFO] [stderr]     |
[INFO] [stderr] 798 |             try!(write!(self.writer, "}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:808:13
[INFO] [stderr]     |
[INFO] [stderr] 808 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:811:13
[INFO] [stderr]     |
[INFO] [stderr] 811 |             try!(write!(self.writer, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:812:13
[INFO] [stderr]     |
[INFO] [stderr] 812 |             try!(spaces(self.writer, curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:814:9
[INFO] [stderr]     |
[INFO] [stderr] 814 |         try!(escape_str(self.writer, name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:816:13
[INFO] [stderr]     |
[INFO] [stderr] 816 |             try!(write!(self.writer, ": "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:818:13
[INFO] [stderr]     |
[INFO] [stderr] 818 |             try!(write!(self.writer, ":"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:871:13
[INFO] [stderr]     |
[INFO] [stderr] 871 |             try!(write!(self.writer, "[]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:873:13
[INFO] [stderr]     |
[INFO] [stderr] 873 |             try!(write!(self.writer, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:877:13
[INFO] [stderr]     |
[INFO] [stderr] 877 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:880:17
[INFO] [stderr]     |
[INFO] [stderr] 880 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:881:17
[INFO] [stderr]     |
[INFO] [stderr] 881 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:883:13
[INFO] [stderr]     |
[INFO] [stderr] 883 |             try!(write!(self.writer, "]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:893:13
[INFO] [stderr]     |
[INFO] [stderr] 893 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:896:13
[INFO] [stderr]     |
[INFO] [stderr] 896 |             try!(write!(self.writer, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:897:13
[INFO] [stderr]     |
[INFO] [stderr] 897 |             try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:907:13
[INFO] [stderr]     |
[INFO] [stderr] 907 |             try!(write!(self.writer, "{{}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:909:13
[INFO] [stderr]     |
[INFO] [stderr] 909 |             try!(write!(self.writer, "{{"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:913:13
[INFO] [stderr]     |
[INFO] [stderr] 913 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:916:17
[INFO] [stderr]     |
[INFO] [stderr] 916 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:917:17
[INFO] [stderr]     |
[INFO] [stderr] 917 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:919:13
[INFO] [stderr]     |
[INFO] [stderr] 919 |             try!(write!(self.writer, "}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:929:13
[INFO] [stderr]     |
[INFO] [stderr] 929 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:932:13
[INFO] [stderr]     |
[INFO] [stderr] 932 |             try!(write!(self.writer, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:933:13
[INFO] [stderr]     |
[INFO] [stderr] 933 |             try!(spaces(self.writer, curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:936:9
[INFO] [stderr]     |
[INFO] [stderr] 936 |         try!(f(self));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:946:13
[INFO] [stderr]     |
[INFO] [stderr] 946 |             try!(write!(self.writer, ": "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:948:13
[INFO] [stderr]     |
[INFO] [stderr] 948 |             try!(write!(self.writer, ":"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:987:13
[INFO] [stderr]     |
[INFO] [stderr] 987 |             try!(rdr.read_to_end(&mut c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:1705:34
[INFO] [stderr]      |
[INFO] [stderr] 1705 |                     'u' => match try!(self.decode_hex_escape()) {
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:1718:38
[INFO] [stderr]      |
[INFO] [stderr] 1718 | ...                   let n2 = try!(self.decode_hex_escape());
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2089:15
[INFO] [stderr]      |
[INFO] [stderr] 2089 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2148 |         expect!(self.pop(), Null)
[INFO] [stderr]      |         ------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2151 |     read_primitive! { read_usize, usize }
[INFO] [stderr]      |     ------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2152 |     read_primitive! { read_u8, u8 }
[INFO] [stderr]      |     ------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2153 |     read_primitive! { read_u16, u16 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2154 |     read_primitive! { read_u32, u32 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2155 |     read_primitive! { read_u64, u64 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2156 |     read_primitive! { read_isize, isize }
[INFO] [stderr]      |     ------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2157 |     read_primitive! { read_i8, 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/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2158 |     read_primitive! { read_i16, 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/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2159 |     read_primitive! { read_i32, 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/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2160 |     read_primitive! { read_i64, 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/json.rs:2167:15
[INFO] [stderr]      |
[INFO] [stderr] 2167 |         match try!(self.pop()) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2185 |         expect!(self.pop(), Boolean)
[INFO] [stderr]      |         ---------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2189:17
[INFO] [stderr]      |
[INFO] [stderr] 2189 |         let s = try!(self.read_str());
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2202 |         expect!(self.pop(), String)
[INFO] [stderr]      |         --------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2215:26
[INFO] [stderr]      |
[INFO] [stderr] 2215 |         let name = match try!(self.pop()) {
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2279:21
[INFO] [stderr]      |
[INFO] [stderr] 2279 |         let value = try!(f(self));
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2280:9
[INFO] [stderr]      |
[INFO] [stderr] 2280 |         try!(self.pop());
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2291:23
[INFO] [stderr]      |
[INFO] [stderr] 2291 |         let mut obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2291 |         let mut obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                            --------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2305:17
[INFO] [stderr]      |
[INFO] [stderr] 2305 |                 try!(f(self))
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2352:15
[INFO] [stderr]      |
[INFO] [stderr] 2352 |         match try!(self.pop()) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2361:21
[INFO] [stderr]      |
[INFO] [stderr] 2361 |         let array = try!(expect!(self.pop(), Array));
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2361 |         let array = try!(expect!(self.pop(), Array));
[INFO] [stderr]      |                          -------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2378:19
[INFO] [stderr]      |
[INFO] [stderr] 2378 |         let obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2378 |         let obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                        --------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:417:32
[INFO] [stderr]     |
[INFO] [stderr] 417 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:473:24
[INFO] [stderr]     |
[INFO] [stderr] 473 | fn escape_str(wr: &mut fmt::Write, v: &str) -> EncodeResult<()> {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:535:29
[INFO] [stderr]     |
[INFO] [stderr] 535 | fn escape_char(writer: &mut fmt::Write, v: char) -> EncodeResult<()> {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:536:37
[INFO] [stderr]     |
[INFO] [stderr] 536 |     struct EscapeWriter<'a>(&'a mut fmt::Write);
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:553:20
[INFO] [stderr]     |
[INFO] [stderr] 553 | fn spaces(wr: &mut fmt::Write, n: u32) -> EncodeResult<()> {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:602:22
[INFO] [stderr]     |
[INFO] [stderr] 602 |     writer: &'a mut (fmt::Write+'a),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write+'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:610:39
[INFO] [stderr]     |
[INFO] [stderr] 610 |     pub fn new_pretty(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:623:32
[INFO] [stderr]     |
[INFO] [stderr] 623 |     pub fn new(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:984:34
[INFO] [stderr]     |
[INFO] [stderr] 984 |     pub fn from_reader(rdr: &mut io::Read) -> Result<Self, BuilderError> {
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1568:25
[INFO] [stderr]      |
[INFO] [stderr] 1568 |                     '0' ... '9' => return self.error(InvalidNumber),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1572:17
[INFO] [stderr]      |
[INFO] [stderr] 1572 |             '1' ... '9' => {
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1575:33
[INFO] [stderr]      |
[INFO] [stderr] 1575 |                         c @ '0' ... '9' => {
[INFO] [stderr]      |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1604:17
[INFO] [stderr]      |
[INFO] [stderr] 1604 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1612:25
[INFO] [stderr]      |
[INFO] [stderr] 1612 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1641:17
[INFO] [stderr]      |
[INFO] [stderr] 1641 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1646:25
[INFO] [stderr]      |
[INFO] [stderr] 1646 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1673:25
[INFO] [stderr]      |
[INFO] [stderr] 1673 |                 c @ '0' ... '9' => n * 16 + ((c as u16) - ('0' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1674:25
[INFO] [stderr]      |
[INFO] [stderr] 1674 |                 c @ 'a' ... 'f' => n * 16 + (10 + (c as u16) - ('a' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1675:25
[INFO] [stderr]      |
[INFO] [stderr] 1675 |                 c @ 'A' ... 'F' => n * 16 + (10 + (c as u16) - ('A' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1706:32
[INFO] [stderr]      |
[INFO] [stderr] 1706 |                         0xDC00 ... 0xDFFF => {
[INFO] [stderr]      |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1712:37
[INFO] [stderr]      |
[INFO] [stderr] 1712 |                         n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]      |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1942:17
[INFO] [stderr]      |
[INFO] [stderr] 1942 |             '0' ... '9' | '-' => self.parse_number(),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:2631:14
[INFO] [stderr]      |
[INFO] [stderr] 2631 |     #[derive(RustcDecodable, Eq, PartialEq, Debug)]
[INFO] [stderr]      |              ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:2658:25
[INFO] [stderr]      |
[INFO] [stderr] 2658 |     #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:2658:41
[INFO] [stderr]      |
[INFO] [stderr] 2658 |     #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:2664:25
[INFO] [stderr]      |
[INFO] [stderr] 2664 |     #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:2664:41
[INFO] [stderr]      |
[INFO] [stderr] 2664 |     #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:2671:25
[INFO] [stderr]      |
[INFO] [stderr] 2671 |     #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:2671:41
[INFO] [stderr]      |
[INFO] [stderr] 2671 |     #[derive(PartialEq, RustcEncodable, RustcDecodable, Debug)]
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3210:14
[INFO] [stderr]      |
[INFO] [stderr] 3210 |     #[derive(RustcDecodable)]
[INFO] [stderr]      |              ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3268:14
[INFO] [stderr]      |
[INFO] [stderr] 3268 |     #[derive(RustcDecodable)]
[INFO] [stderr]      |              ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3276:14
[INFO] [stderr]      |
[INFO] [stderr] 3276 |     #[derive(RustcDecodable)]
[INFO] [stderr]      |              ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3585:18
[INFO] [stderr]      |
[INFO] [stderr] 3585 |         #[derive(RustcEncodable, Eq, Hash, PartialEq, RustcDecodable, Debug)]
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3585:55
[INFO] [stderr]      |
[INFO] [stderr] 3585 |         #[derive(RustcEncodable, Eq, Hash, PartialEq, RustcDecodable, Debug)]
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3960:39
[INFO] [stderr]      |
[INFO] [stderr] 3960 |         #[derive(PartialEq, Eq, Hash, RustcEncodable)]
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3977:25
[INFO] [stderr]      |
[INFO] [stderr] 3977 |         #[derive(Debug, RustcDecodable, RustcEncodable, Eq, PartialEq)]
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3977:41
[INFO] [stderr]      |
[INFO] [stderr] 3977 |         #[derive(Debug, RustcDecodable, RustcEncodable, Eq, PartialEq)]
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:3993:25
[INFO] [stderr]      |
[INFO] [stderr] 3993 |         #[derive(Debug, RustcDecodable)]
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:4004:25
[INFO] [stderr]      |
[INFO] [stderr] 4004 |         #[derive(Debug, RustcDecodable, RustcEncodable, Eq, PartialEq)]
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]     --> src/json.rs:4004:41
[INFO] [stderr]      |
[INFO] [stderr] 4004 |         #[derive(Debug, RustcDecodable, RustcEncodable, Eq, PartialEq)]
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ could not find `rustc_serialize` in `{{root}}`
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1124:21
[INFO] [stderr]      |
[INFO] [stderr] 1124 |         Ok(Box::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:45:24
[INFO] [stderr]      |
[INFO] [stderr] 45   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]      |                        ^^^^^^^^
[INFO] [stderr]      = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1130:25
[INFO] [stderr]      |
[INFO] [stderr] 1130 |         let v: Vec<T> = try!(Decodable::decode(d));
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1145:20
[INFO] [stderr]      |
[INFO] [stderr] 1145 |         Ok(Rc::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1161:23
[INFO] [stderr]      |
[INFO] [stderr] 1161 |         Ok(Cow::Owned(try!(Decodable::decode(d))))
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1169:17
[INFO] [stderr]      |
[INFO] [stderr] 1169 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)))
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1180:17
[INFO] [stderr]      |
[INFO] [stderr] 1180 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)))
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1192:24
[INFO] [stderr]      |
[INFO] [stderr] 1192 |                 v.push(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1214:25
[INFO] [stderr]      |
[INFO] [stderr] 1214 |                 Ok(Some(try!(Decodable::decode(d))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1228:25
[INFO] [stderr]      |
[INFO] [stderr] 1228 |                         try!(s.emit_enum_variant_arg(0, |s| {
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1236:25
[INFO] [stderr]      |
[INFO] [stderr] 1236 |                         try!(s.emit_enum_variant_arg(0, |s| {
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1300:34
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                     let ret = ($(try!(d.read_tuple_arg({ i+=1; i-1 },
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1316:23
[INFO] [stderr]      |
[INFO] [stderr] 1316 |                     $(try!(s.emit_tuple_arg({ i+=1; i-1 }, |s| $name.encode(s)));)*
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1325 | tuple! { T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, }
[INFO] [stderr]      | ------------------------------------------------------------ in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1337:25
[INFO] [stderr]      |
[INFO] [stderr] 1337 |                           try!(d.read_seq_elt($len - $idx - 1,
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1348:25
[INFO] [stderr]      |
[INFO] [stderr] 1348 |                           try!(s.emit_seq_elt(i, |s| self[i].encode(s)));
[INFO] [stderr]      |                           ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1358 | / array! {
[INFO] [stderr] 1359 | |     32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16,
[INFO] [stderr] 1360 | |     15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
[INFO] [stderr] 1361 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1402:30
[INFO] [stderr]      |
[INFO] [stderr] 1402 |         let bytes: Vec<u8> = try!(Decodable::decode(d));
[INFO] [stderr]      |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1427:22
[INFO] [stderr]      |
[INFO] [stderr] 1427 |         Ok(Cell::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1444:25
[INFO] [stderr]      |
[INFO] [stderr] 1444 |         Ok(RefCell::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1456:21
[INFO] [stderr]      |
[INFO] [stderr] 1456 |         Ok(Arc::new(try!(Decodable::decode(d))))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1509:17
[INFO] [stderr]      |
[INFO] [stderr] 1509 |                 try!(this.emit_seq_elt(i, |this| {
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/serialize.rs:1565:24
[INFO] [stderr]      |
[INFO] [stderr] 1565 |                 v.push(try!(this.read_seq_elt(i, |this| f(this))));
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 list.push_back(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 deque.push_back(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 try!(e.emit_map_elt_key(i, |e| key.encode(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try!(e.emit_map_elt_val(i, |e| val.encode(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:96:27
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 let key = try!(d.read_map_elt_key(i, |d| Decodable::decode(d)));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/collection_impls.rs:97:27
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 let val = try!(d.read_map_elt_val(i, |d| Decodable::decode(d)));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 set.insert(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 try!(e.emit_map_elt_key(i, |e| key.encode(e)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 try!(e.emit_map_elt_val(i, |e| val.encode(e)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:161:27
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 let key = try!(d.read_map_elt_key(i, |d| Decodable::decode(d)));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:162:27
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 let val = try!(d.read_map_elt_val(i, |d| Decodable::decode(d)));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 try!(s.emit_seq_elt(i, |s| e.encode(s)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/collection_impls.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 set.insert(try!(d.read_seq_elt(i, |d| Decodable::decode(d))));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 |         try!(object.encode(&mut encoder));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:474:5
[INFO] [stderr]     |
[INFO] [stderr] 474 |     try!(wr.write_str("\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:519:13
[INFO] [stderr]     |
[INFO] [stderr] 519 |             try!(wr.write_str(&v[start..i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |         try!(wr.write_str(escaped));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:528:9
[INFO] [stderr]     |
[INFO] [stderr] 528 |         try!(wr.write_str(&v[start..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:531:5
[INFO] [stderr]     |
[INFO] [stderr] 531 |     try!(wr.write_str("\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         try!(wr.write_str(BUF));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:563:9
[INFO] [stderr]     |
[INFO] [stderr] 563 |         try!(wr.write_str(&BUF[..n]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:651:9
[INFO] [stderr]     |
[INFO] [stderr] 651 |         try!(write!(self.writer, "null"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 655 |     fn emit_usize(&mut self, v: usize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 655 |     fn emit_usize(&mut self, v: usize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 656 |     fn emit_u64(&mut self, v: u64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 656 |     fn emit_u64(&mut self, v: u64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 657 |     fn emit_u32(&mut self, v: u32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 657 |     fn emit_u32(&mut self, v: u32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 658 |     fn emit_u16(&mut self, v: u16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 658 |     fn emit_u16(&mut self, v: u16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 659 |     fn emit_u8(&mut self, v: u8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 659 |     fn emit_u8(&mut self, v: u8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 661 |     fn emit_isize(&mut self, v: isize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 661 |     fn emit_isize(&mut self, v: isize) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                              --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 662 |     fn emit_i64(&mut self, v: i64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 662 |     fn emit_i64(&mut self, v: i64) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 663 |     fn emit_i32(&mut self, v: i32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 663 |     fn emit_i32(&mut self, v: i32) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 664 |     fn emit_i16(&mut self, v: i16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 664 |     fn emit_i16(&mut self, v: i16) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                          --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 665 |     fn emit_i8(&mut self, v: i8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 665 |     fn emit_i8(&mut self, v: i8) -> EncodeResult<()> { emit_enquoted_if_mapkey!(self, v) }
[INFO] [stderr]     |                                                        --------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:670:13
[INFO] [stderr]     |
[INFO] [stderr] 670 |             try!(write!(self.writer, "true"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:672:13
[INFO] [stderr]     |
[INFO] [stderr] 672 |             try!(write!(self.writer, "false"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:583:13
[INFO] [stderr]     |
[INFO] [stderr] 583 |             try!(write!($enc.writer, "\"{}\"", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 678 |         emit_enquoted_if_mapkey!(self, fmt_number_or_null(v))
[INFO] [stderr]     |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             try!(write!($enc.writer, "{}", $e));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 678 |         emit_enquoted_if_mapkey!(self, fmt_number_or_null(v))
[INFO] [stderr]     |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:713:17
[INFO] [stderr]     |
[INFO] [stderr] 713 |                 try!(write!(self.writer, "{{\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:715:17
[INFO] [stderr]     |
[INFO] [stderr] 715 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:716:17
[INFO] [stderr]     |
[INFO] [stderr] 716 |                 try!(write!(self.writer, "\"variant\": "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:717:17
[INFO] [stderr]     |
[INFO] [stderr] 717 |                 try!(escape_str(self.writer, name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:718:17
[INFO] [stderr]     |
[INFO] [stderr] 718 |                 try!(write!(self.writer, ",\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:719:17
[INFO] [stderr]     |
[INFO] [stderr] 719 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:720:17
[INFO] [stderr]     |
[INFO] [stderr] 720 |                 try!(write!(self.writer, "\"fields\": [\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:723:17
[INFO] [stderr]     |
[INFO] [stderr] 723 |                 try!(write!(self.writer, "{{\"variant\":"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:724:17
[INFO] [stderr]     |
[INFO] [stderr] 724 |                 try!(escape_str(self.writer, name));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:725:17
[INFO] [stderr]     |
[INFO] [stderr] 725 |                 try!(write!(self.writer, ",\"fields\":["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:727:13
[INFO] [stderr]     |
[INFO] [stderr] 727 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:730:17
[INFO] [stderr]     |
[INFO] [stderr] 730 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:731:17
[INFO] [stderr]     |
[INFO] [stderr] 731 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:733:17
[INFO] [stderr]     |
[INFO] [stderr] 733 |                 try!(write!(self.writer, "]\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:734:17
[INFO] [stderr]     |
[INFO] [stderr] 734 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:735:17
[INFO] [stderr]     |
[INFO] [stderr] 735 |                 try!(write!(self.writer, "}}"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:737:17
[INFO] [stderr]     |
[INFO] [stderr] 737 |                 try!(write!(self.writer, "]}}"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:748:13
[INFO] [stderr]     |
[INFO] [stderr] 748 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:750:17
[INFO] [stderr]     |
[INFO] [stderr] 750 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:754:13
[INFO] [stderr]     |
[INFO] [stderr] 754 |             try!(spaces(self.writer, curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:786:13
[INFO] [stderr]     |
[INFO] [stderr] 786 |             try!(write!(self.writer, "{{}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:788:13
[INFO] [stderr]     |
[INFO] [stderr] 788 |             try!(write!(self.writer, "{{"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:792:13
[INFO] [stderr]     |
[INFO] [stderr] 792 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:795:17
[INFO] [stderr]     |
[INFO] [stderr] 795 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:796:17
[INFO] [stderr]     |
[INFO] [stderr] 796 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:798:13
[INFO] [stderr]     |
[INFO] [stderr] 798 |             try!(write!(self.writer, "}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:808:13
[INFO] [stderr]     |
[INFO] [stderr] 808 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:811:13
[INFO] [stderr]     |
[INFO] [stderr] 811 |             try!(write!(self.writer, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:812:13
[INFO] [stderr]     |
[INFO] [stderr] 812 |             try!(spaces(self.writer, curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:814:9
[INFO] [stderr]     |
[INFO] [stderr] 814 |         try!(escape_str(self.writer, name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:816:13
[INFO] [stderr]     |
[INFO] [stderr] 816 |             try!(write!(self.writer, ": "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:818:13
[INFO] [stderr]     |
[INFO] [stderr] 818 |             try!(write!(self.writer, ":"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:871:13
[INFO] [stderr]     |
[INFO] [stderr] 871 |             try!(write!(self.writer, "[]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:873:13
[INFO] [stderr]     |
[INFO] [stderr] 873 |             try!(write!(self.writer, "["));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:877:13
[INFO] [stderr]     |
[INFO] [stderr] 877 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:880:17
[INFO] [stderr]     |
[INFO] [stderr] 880 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:881:17
[INFO] [stderr]     |
[INFO] [stderr] 881 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:883:13
[INFO] [stderr]     |
[INFO] [stderr] 883 |             try!(write!(self.writer, "]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:893:13
[INFO] [stderr]     |
[INFO] [stderr] 893 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:896:13
[INFO] [stderr]     |
[INFO] [stderr] 896 |             try!(write!(self.writer, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:897:13
[INFO] [stderr]     |
[INFO] [stderr] 897 |             try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:907:13
[INFO] [stderr]     |
[INFO] [stderr] 907 |             try!(write!(self.writer, "{{}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:909:13
[INFO] [stderr]     |
[INFO] [stderr] 909 |             try!(write!(self.writer, "{{"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:913:13
[INFO] [stderr]     |
[INFO] [stderr] 913 |             try!(f(self));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:916:17
[INFO] [stderr]     |
[INFO] [stderr] 916 |                 try!(write!(self.writer, "\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:917:17
[INFO] [stderr]     |
[INFO] [stderr] 917 |                 try!(spaces(self.writer, *curr_indent));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:919:13
[INFO] [stderr]     |
[INFO] [stderr] 919 |             try!(write!(self.writer, "}}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:929:13
[INFO] [stderr]     |
[INFO] [stderr] 929 |             try!(write!(self.writer, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:932:13
[INFO] [stderr]     |
[INFO] [stderr] 932 |             try!(write!(self.writer, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:933:13
[INFO] [stderr]     |
[INFO] [stderr] 933 |             try!(spaces(self.writer, curr_indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:936:9
[INFO] [stderr]     |
[INFO] [stderr] 936 |         try!(f(self));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:946:13
[INFO] [stderr]     |
[INFO] [stderr] 946 |             try!(write!(self.writer, ": "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:948:13
[INFO] [stderr]     |
[INFO] [stderr] 948 |             try!(write!(self.writer, ":"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/json.rs:987:13
[INFO] [stderr]     |
[INFO] [stderr] 987 |             try!(rdr.read_to_end(&mut c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:1705:34
[INFO] [stderr]      |
[INFO] [stderr] 1705 |                     'u' => match try!(self.decode_hex_escape()) {
[INFO] [stderr]      |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:1718:38
[INFO] [stderr]      |
[INFO] [stderr] 1718 | ...                   let n2 = try!(self.decode_hex_escape());
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2089:15
[INFO] [stderr]      |
[INFO] [stderr] 2089 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2148 |         expect!(self.pop(), Null)
[INFO] [stderr]      |         ------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2151 |     read_primitive! { read_usize, usize }
[INFO] [stderr]      |     ------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2152 |     read_primitive! { read_u8, u8 }
[INFO] [stderr]      |     ------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2153 |     read_primitive! { read_u16, u16 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2154 |     read_primitive! { read_u32, u32 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2155 |     read_primitive! { read_u64, u64 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2156 |     read_primitive! { read_isize, isize }
[INFO] [stderr]      |     ------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2157 |     read_primitive! { read_i8, i8 }
[INFO] [stderr]      |     ------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2158 |     read_primitive! { read_i16, i16 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2159 |     read_primitive! { read_i32, i32 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2110:19
[INFO] [stderr]      |
[INFO] [stderr] 2110 |             match try!(self.pop()) {
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2160 |     read_primitive! { read_i64, i64 }
[INFO] [stderr]      |     --------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2167:15
[INFO] [stderr]      |
[INFO] [stderr] 2167 |         match try!(self.pop()) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2185 |         expect!(self.pop(), Boolean)
[INFO] [stderr]      |         ---------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2189:17
[INFO] [stderr]      |
[INFO] [stderr] 2189 |         let s = try!(self.read_str());
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2202 |         expect!(self.pop(), String)
[INFO] [stderr]      |         --------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2215:26
[INFO] [stderr]      |
[INFO] [stderr] 2215 |         let name = match try!(self.pop()) {
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2279:21
[INFO] [stderr]      |
[INFO] [stderr] 2279 |         let value = try!(f(self));
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2280:9
[INFO] [stderr]      |
[INFO] [stderr] 2280 |         try!(self.pop());
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2291:23
[INFO] [stderr]      |
[INFO] [stderr] 2291 |         let mut obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2291 |         let mut obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                            --------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2305:17
[INFO] [stderr]      |
[INFO] [stderr] 2305 |                 try!(f(self))
[INFO] [stderr]      |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2352:15
[INFO] [stderr]      |
[INFO] [stderr] 2352 |         match try!(self.pop()) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2361:21
[INFO] [stderr]      |
[INFO] [stderr] 2361 |         let array = try!(expect!(self.pop(), Array));
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2361 |         let array = try!(expect!(self.pop(), Array));
[INFO] [stderr]      |                          -------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2378:19
[INFO] [stderr]      |
[INFO] [stderr] 2378 |         let obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/json.rs:2096:15
[INFO] [stderr]      |
[INFO] [stderr] 2096 |         match try!($e) {
[INFO] [stderr]      |               ^^^
[INFO] [stderr] ...
[INFO] [stderr] 2378 |         let obj = try!(expect!(self.pop(), Object));
[INFO] [stderr]      |                        --------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:45:24
[INFO] [stderr]     |
[INFO] [stderr] 45  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(ellipsis_inclusive_range_patterns)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]    --> src/hex.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:417:32
[INFO] [stderr]     |
[INFO] [stderr] 417 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:45:24
[INFO] [stderr]     |
[INFO] [stderr] 45  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:473:24
[INFO] [stderr]     |
[INFO] [stderr] 473 | fn escape_str(wr: &mut fmt::Write, v: &str) -> EncodeResult<()> {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:535:29
[INFO] [stderr]     |
[INFO] [stderr] 535 | fn escape_char(writer: &mut fmt::Write, v: char) -> EncodeResult<()> {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:536:37
[INFO] [stderr]     |
[INFO] [stderr] 536 |     struct EscapeWriter<'a>(&'a mut fmt::Write);
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:553:20
[INFO] [stderr]     |
[INFO] [stderr] 553 | fn spaces(wr: &mut fmt::Write, n: u32) -> EncodeResult<()> {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:602:22
[INFO] [stderr]     |
[INFO] [stderr] 602 |     writer: &'a mut (fmt::Write+'a),
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write+'a`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:610:39
[INFO] [stderr]     |
[INFO] [stderr] 610 |     pub fn new_pretty(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:623:32
[INFO] [stderr]     |
[INFO] [stderr] 623 |     pub fn new(writer: &'a mut fmt::Write) -> Encoder<'a> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/json.rs:984:34
[INFO] [stderr]     |
[INFO] [stderr] 984 |     pub fn from_reader(rdr: &mut io::Read) -> Result<Self, BuilderError> {
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1568:25
[INFO] [stderr]      |
[INFO] [stderr] 1568 |                     '0' ... '9' => return self.error(InvalidNumber),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1572:17
[INFO] [stderr]      |
[INFO] [stderr] 1572 |             '1' ... '9' => {
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1575:33
[INFO] [stderr]      |
[INFO] [stderr] 1575 |                         c @ '0' ... '9' => {
[INFO] [stderr]      |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1604:17
[INFO] [stderr]      |
[INFO] [stderr] 1604 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1612:25
[INFO] [stderr]      |
[INFO] [stderr] 1612 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1641:17
[INFO] [stderr]      |
[INFO] [stderr] 1641 |             '0' ... '9' => (),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1646:25
[INFO] [stderr]      |
[INFO] [stderr] 1646 |                 c @ '0' ... '9' => {
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1673:25
[INFO] [stderr]      |
[INFO] [stderr] 1673 |                 c @ '0' ... '9' => n * 16 + ((c as u16) - ('0' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1674:25
[INFO] [stderr]      |
[INFO] [stderr] 1674 |                 c @ 'a' ... 'f' => n * 16 + (10 + (c as u16) - ('a' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1675:25
[INFO] [stderr]      |
[INFO] [stderr] 1675 |                 c @ 'A' ... 'F' => n * 16 + (10 + (c as u16) - ('A' as u16)),
[INFO] [stderr]      |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1706:32
[INFO] [stderr]      |
[INFO] [stderr] 1706 |                         0xDC00 ... 0xDFFF => {
[INFO] [stderr]      |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1712:37
[INFO] [stderr]      |
[INFO] [stderr] 1712 |                         n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]      |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: `...` range patterns are deprecated
[INFO] [stderr]     --> src/json.rs:1942:17
[INFO] [stderr]      |
[INFO] [stderr] 1942 |             '0' ... '9' | '-' => self.parse_number(),
[INFO] [stderr]      |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 279 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `rustc-serialize2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3dd20b067a33b54f6b46cb1dd617053769bf984cc5819a43d0ef41e2449b50b1"`
[INFO] running `"docker" "rm" "-f" "3dd20b067a33b54f6b46cb1dd617053769bf984cc5819a43d0ef41e2449b50b1"`
[INFO] [stdout] 3dd20b067a33b54f6b46cb1dd617053769bf984cc5819a43d0ef41e2449b50b1
