[INFO] crate serde-hjson 0.9.1 is already in cache
[INFO] testing serde-hjson-0.9.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate serde-hjson 0.9.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde-hjson 0.9.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serde-hjson 0.9.1
[INFO] finished tweaking crates.io crate serde-hjson 0.9.1
[INFO] tweaked toml for crates.io crate serde-hjson 0.9.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 268d678c769cdc2383cc3797122246f936b7631dc2a92363e2a09425e161abb2
[INFO] running `"docker" "start" "-a" "268d678c769cdc2383cc3797122246f936b7631dc2a92363e2a09425e161abb2"`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling serde-hjson v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.rdr.parse_whitespace());
[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/de.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |         if try!(self.rdr.eof()) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 113 |         if try!(self.rdr.eof()) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:129:27
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(self.parse_string());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:192:22
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:196:26
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:244:25
[INFO] [stderr]     |
[INFO] [stderr] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:245:23
[INFO] [stderr]     |
[INFO] [stderr] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:268:15
[INFO] [stderr]     |
[INFO] [stderr] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:297:15
[INFO] [stderr]     |
[INFO] [stderr] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:306:22
[INFO] [stderr]     |
[INFO] [stderr] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:344:36
[INFO] [stderr]     |
[INFO] [stderr] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:359:43
[INFO] [stderr]     |
[INFO] [stderr] 359 | ...                   let c = 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/de.rs:367:44
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:367:72
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:374:46
[INFO] [stderr]     |
[INFO] [stderr] 374 | ...                   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/de.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:422:15
[INFO] [stderr]     |
[INFO] [stderr] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:450:9
[INFO] [stderr]     |
[INFO] [stderr] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:452:15
[INFO] [stderr]     |
[INFO] [stderr] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:526:15
[INFO] [stderr]     |
[INFO] [stderr] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:537:21
[INFO] [stderr]     |
[INFO] [stderr] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:541:12
[INFO] [stderr]     |
[INFO] [stderr] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:543:13
[INFO] [stderr]     |
[INFO] [stderr] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:552:15
[INFO] [stderr]     |
[INFO] [stderr] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:587:9
[INFO] [stderr]     |
[INFO] [stderr] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:591:19
[INFO] [stderr]     |
[INFO] [stderr] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:597:15
[INFO] [stderr]     |
[INFO] [stderr] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:606:15
[INFO] [stderr]     |
[INFO] [stderr] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:609:25
[INFO] [stderr]     |
[INFO] [stderr] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         try!(self.de.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:621:12
[INFO] [stderr]     |
[INFO] [stderr] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:625:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:627:15
[INFO] [stderr]     |
[INFO] [stderr] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:696:12
[INFO] [stderr]     |
[INFO] [stderr] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:707:19
[INFO] [stderr]     |
[INFO] [stderr] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         try!(self.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:808:25
[INFO] [stderr]     |
[INFO] [stderr] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:813:73
[INFO] [stderr]     |
[INFO] [stderr] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:167:25
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(value.serialize(self));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:349:13
[INFO] [stderr]     |
[INFO] [stderr] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:407:9
[INFO] [stderr]     |
[INFO] [stderr] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:425:9
[INFO] [stderr]     |
[INFO] [stderr] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:427:9
[INFO] [stderr]     |
[INFO] [stderr] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:787:13
[INFO] [stderr]     |
[INFO] [stderr] 787 |             try!(self.newline(writer, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             try!(self.start_value(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:813:9
[INFO] [stderr]     |
[INFO] [stderr] 813 |         try!(writer.write(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:814:9
[INFO] [stderr]     |
[INFO] [stderr] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:821:9
[INFO] [stderr]     |
[INFO] [stderr] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:830:13
[INFO] [stderr]     |
[INFO] [stderr] 830 |             try!(writer.write_all(b" "))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:840:5
[INFO] [stderr]     |
[INFO] [stderr] 840 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:857:13
[INFO] [stderr]     |
[INFO] [stderr] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:860:9
[INFO] [stderr]     |
[INFO] [stderr] 860 |         try!(wr.write_all(escaped));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:866:9
[INFO] [stderr]     |
[INFO] [stderr] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:869:5
[INFO] [stderr]     |
[INFO] [stderr] 869 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:890:9
[INFO] [stderr]     |
[INFO] [stderr] 890 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:911:13
[INFO] [stderr]     |
[INFO] [stderr] 911 |             try!(formatter.start_value(wr));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:917:9
[INFO] [stderr]     |
[INFO] [stderr] 917 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:935:9
[INFO] [stderr]     |
[INFO] [stderr] 935 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:936:9
[INFO] [stderr]     |
[INFO] [stderr] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:937:9
[INFO] [stderr]     |
[INFO] [stderr] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:938:9
[INFO] [stderr]     |
[INFO] [stderr] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:940:9
[INFO] [stderr]     |
[INFO] [stderr] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:941:9
[INFO] [stderr]     |
[INFO] [stderr] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:943:13
[INFO] [stderr]     |
[INFO] [stderr] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:944:13
[INFO] [stderr]     |
[INFO] [stderr] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:946:9
[INFO] [stderr]     |
[INFO] [stderr] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:947:9
[INFO] [stderr]     |
[INFO] [stderr] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:983:13
[INFO] [stderr]     |
[INFO] [stderr] 983 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:986:13
[INFO] [stderr]     |
[INFO] [stderr] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:997:13
[INFO] [stderr]     |
[INFO] [stderr] 997 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1000:13
[INFO] [stderr]      |
[INFO] [stderr] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1010:9
[INFO] [stderr]      |
[INFO] [stderr] 1010 |         try!(wr.write_all(s));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1034:5
[INFO] [stderr]      |
[INFO] [stderr] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1045:5
[INFO] [stderr]      |
[INFO] [stderr] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1053:15
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     let vec = try!(to_vec(value));
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1054:18
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |             match try!(self.peek()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:110:19
[INFO] [stderr]     |
[INFO] [stderr] 110 |             match try!(self.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:116:27
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:82
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:179:30
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:226:12
[INFO] [stderr]     |
[INFO] [stderr] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:230:19
[INFO] [stderr]     |
[INFO] [stderr] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:239:19
[INFO] [stderr]     |
[INFO] [stderr] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:267:15
[INFO] [stderr]     |
[INFO] [stderr] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:273:19
[INFO] [stderr]     |
[INFO] [stderr] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:289:15
[INFO] [stderr]     |
[INFO] [stderr] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:296:15
[INFO] [stderr]     |
[INFO] [stderr] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:432:30
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:441:30
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:461:17
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:462:9
[INFO] [stderr]     |
[INFO] [stderr] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:638:25
[INFO] [stderr]     |
[INFO] [stderr] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:640:13
[INFO] [stderr]     |
[INFO] [stderr] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:869:9
[INFO] [stderr]     |
[INFO] [stderr] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1205:25
[INFO] [stderr]      |
[INFO] [stderr] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1242:25
[INFO] [stderr]      |
[INFO] [stderr] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1253:12
[INFO] [stderr]      |
[INFO] [stderr] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1325:12
[INFO] [stderr]      |
[INFO] [stderr] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:246:26
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[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/de.rs:360:40
[INFO] [stderr]     |
[INFO] [stderr] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stderr]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:366:45
[INFO] [stderr]     |
[INFO] [stderr] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:147:32
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:268:22
[INFO] [stderr]     |
[INFO] [stderr] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:297:22
[INFO] [stderr]     |
[INFO] [stderr] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:142:37
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:143:49
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 177 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.39s
[INFO] running `"docker" "inspect" "268d678c769cdc2383cc3797122246f936b7631dc2a92363e2a09425e161abb2"`
[INFO] running `"docker" "rm" "-f" "268d678c769cdc2383cc3797122246f936b7631dc2a92363e2a09425e161abb2"`
[INFO] [stdout] 268d678c769cdc2383cc3797122246f936b7631dc2a92363e2a09425e161abb2
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8015f8ae4bb14224292aa0674e0393dcf5c5254c7509f147c695b49f6ee70545
[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" "8015f8ae4bb14224292aa0674e0393dcf5c5254c7509f147c695b49f6ee70545"`
[INFO] [stderr]    Compiling serde-hjson v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.rdr.parse_whitespace());
[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/de.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |         if try!(self.rdr.eof()) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 113 |         if try!(self.rdr.eof()) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:129:27
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(self.parse_string());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:192:22
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:196:26
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:244:25
[INFO] [stderr]     |
[INFO] [stderr] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:245:23
[INFO] [stderr]     |
[INFO] [stderr] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:268:15
[INFO] [stderr]     |
[INFO] [stderr] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:297:15
[INFO] [stderr]     |
[INFO] [stderr] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:306:22
[INFO] [stderr]     |
[INFO] [stderr] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:344:36
[INFO] [stderr]     |
[INFO] [stderr] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:359:43
[INFO] [stderr]     |
[INFO] [stderr] 359 | ...                   let c = 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/de.rs:367:44
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:367:72
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:374:46
[INFO] [stderr]     |
[INFO] [stderr] 374 | ...                   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/de.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:422:15
[INFO] [stderr]     |
[INFO] [stderr] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:450:9
[INFO] [stderr]     |
[INFO] [stderr] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:452:15
[INFO] [stderr]     |
[INFO] [stderr] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:526:15
[INFO] [stderr]     |
[INFO] [stderr] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:537:21
[INFO] [stderr]     |
[INFO] [stderr] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:541:12
[INFO] [stderr]     |
[INFO] [stderr] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:543:13
[INFO] [stderr]     |
[INFO] [stderr] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:552:15
[INFO] [stderr]     |
[INFO] [stderr] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:587:9
[INFO] [stderr]     |
[INFO] [stderr] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:591:19
[INFO] [stderr]     |
[INFO] [stderr] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:597:15
[INFO] [stderr]     |
[INFO] [stderr] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:606:15
[INFO] [stderr]     |
[INFO] [stderr] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:609:25
[INFO] [stderr]     |
[INFO] [stderr] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         try!(self.de.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:621:12
[INFO] [stderr]     |
[INFO] [stderr] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:625:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:627:15
[INFO] [stderr]     |
[INFO] [stderr] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:696:12
[INFO] [stderr]     |
[INFO] [stderr] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:707:19
[INFO] [stderr]     |
[INFO] [stderr] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         try!(self.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:808:25
[INFO] [stderr]     |
[INFO] [stderr] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:813:73
[INFO] [stderr]     |
[INFO] [stderr] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:167:25
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(value.serialize(self));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:349:13
[INFO] [stderr]     |
[INFO] [stderr] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:407:9
[INFO] [stderr]     |
[INFO] [stderr] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:425:9
[INFO] [stderr]     |
[INFO] [stderr] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:427:9
[INFO] [stderr]     |
[INFO] [stderr] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:787:13
[INFO] [stderr]     |
[INFO] [stderr] 787 |             try!(self.newline(writer, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             try!(self.start_value(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:813:9
[INFO] [stderr]     |
[INFO] [stderr] 813 |         try!(writer.write(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:814:9
[INFO] [stderr]     |
[INFO] [stderr] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:821:9
[INFO] [stderr]     |
[INFO] [stderr] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:830:13
[INFO] [stderr]     |
[INFO] [stderr] 830 |             try!(writer.write_all(b" "))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:840:5
[INFO] [stderr]     |
[INFO] [stderr] 840 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:857:13
[INFO] [stderr]     |
[INFO] [stderr] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:860:9
[INFO] [stderr]     |
[INFO] [stderr] 860 |         try!(wr.write_all(escaped));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:866:9
[INFO] [stderr]     |
[INFO] [stderr] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:869:5
[INFO] [stderr]     |
[INFO] [stderr] 869 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:890:9
[INFO] [stderr]     |
[INFO] [stderr] 890 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:911:13
[INFO] [stderr]     |
[INFO] [stderr] 911 |             try!(formatter.start_value(wr));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:917:9
[INFO] [stderr]     |
[INFO] [stderr] 917 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:935:9
[INFO] [stderr]     |
[INFO] [stderr] 935 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:936:9
[INFO] [stderr]     |
[INFO] [stderr] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:937:9
[INFO] [stderr]     |
[INFO] [stderr] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:938:9
[INFO] [stderr]     |
[INFO] [stderr] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:940:9
[INFO] [stderr]     |
[INFO] [stderr] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:941:9
[INFO] [stderr]     |
[INFO] [stderr] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:943:13
[INFO] [stderr]     |
[INFO] [stderr] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:944:13
[INFO] [stderr]     |
[INFO] [stderr] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:946:9
[INFO] [stderr]     |
[INFO] [stderr] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:947:9
[INFO] [stderr]     |
[INFO] [stderr] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:983:13
[INFO] [stderr]     |
[INFO] [stderr] 983 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:986:13
[INFO] [stderr]     |
[INFO] [stderr] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:997:13
[INFO] [stderr]     |
[INFO] [stderr] 997 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1000:13
[INFO] [stderr]      |
[INFO] [stderr] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1010:9
[INFO] [stderr]      |
[INFO] [stderr] 1010 |         try!(wr.write_all(s));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1034:5
[INFO] [stderr]      |
[INFO] [stderr] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1045:5
[INFO] [stderr]      |
[INFO] [stderr] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1053:15
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     let vec = try!(to_vec(value));
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1054:18
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |             match try!(self.peek()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:110:19
[INFO] [stderr]     |
[INFO] [stderr] 110 |             match try!(self.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:116:27
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:82
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:179:30
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:226:12
[INFO] [stderr]     |
[INFO] [stderr] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:230:19
[INFO] [stderr]     |
[INFO] [stderr] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:239:19
[INFO] [stderr]     |
[INFO] [stderr] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:267:15
[INFO] [stderr]     |
[INFO] [stderr] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:273:19
[INFO] [stderr]     |
[INFO] [stderr] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:289:15
[INFO] [stderr]     |
[INFO] [stderr] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:296:15
[INFO] [stderr]     |
[INFO] [stderr] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:432:30
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:441:30
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:461:17
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:462:9
[INFO] [stderr]     |
[INFO] [stderr] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:638:25
[INFO] [stderr]     |
[INFO] [stderr] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:640:13
[INFO] [stderr]     |
[INFO] [stderr] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:869:9
[INFO] [stderr]     |
[INFO] [stderr] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1205:25
[INFO] [stderr]      |
[INFO] [stderr] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1242:25
[INFO] [stderr]      |
[INFO] [stderr] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1253:12
[INFO] [stderr]      |
[INFO] [stderr] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1325:12
[INFO] [stderr]      |
[INFO] [stderr] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:246:26
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[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/de.rs:360:40
[INFO] [stderr]     |
[INFO] [stderr] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stderr]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:366:45
[INFO] [stderr]     |
[INFO] [stderr] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:147:32
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:268:22
[INFO] [stderr]     |
[INFO] [stderr] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:297:22
[INFO] [stderr]     |
[INFO] [stderr] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:142:37
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:143:49
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 177 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.rdr.parse_whitespace());
[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/de.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |         if try!(self.rdr.eof()) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 113 |         if try!(self.rdr.eof()) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:129:27
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(self.parse_string());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:192:22
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:196:26
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:244:25
[INFO] [stderr]     |
[INFO] [stderr] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:245:23
[INFO] [stderr]     |
[INFO] [stderr] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:268:15
[INFO] [stderr]     |
[INFO] [stderr] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:297:15
[INFO] [stderr]     |
[INFO] [stderr] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:306:22
[INFO] [stderr]     |
[INFO] [stderr] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:344:36
[INFO] [stderr]     |
[INFO] [stderr] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:359:43
[INFO] [stderr]     |
[INFO] [stderr] 359 | ...                   let c = 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/de.rs:367:44
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:367:72
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:374:46
[INFO] [stderr]     |
[INFO] [stderr] 374 | ...                   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/de.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:422:15
[INFO] [stderr]     |
[INFO] [stderr] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:450:9
[INFO] [stderr]     |
[INFO] [stderr] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:452:15
[INFO] [stderr]     |
[INFO] [stderr] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:526:15
[INFO] [stderr]     |
[INFO] [stderr] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:537:21
[INFO] [stderr]     |
[INFO] [stderr] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:541:12
[INFO] [stderr]     |
[INFO] [stderr] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:543:13
[INFO] [stderr]     |
[INFO] [stderr] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:552:15
[INFO] [stderr]     |
[INFO] [stderr] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:587:9
[INFO] [stderr]     |
[INFO] [stderr] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:591:19
[INFO] [stderr]     |
[INFO] [stderr] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:597:15
[INFO] [stderr]     |
[INFO] [stderr] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:606:15
[INFO] [stderr]     |
[INFO] [stderr] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:609:25
[INFO] [stderr]     |
[INFO] [stderr] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         try!(self.de.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:621:12
[INFO] [stderr]     |
[INFO] [stderr] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:625:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:627:15
[INFO] [stderr]     |
[INFO] [stderr] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:696:12
[INFO] [stderr]     |
[INFO] [stderr] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:707:19
[INFO] [stderr]     |
[INFO] [stderr] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         try!(self.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:808:25
[INFO] [stderr]     |
[INFO] [stderr] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:813:73
[INFO] [stderr]     |
[INFO] [stderr] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:167:25
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(value.serialize(self));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:349:13
[INFO] [stderr]     |
[INFO] [stderr] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:407:9
[INFO] [stderr]     |
[INFO] [stderr] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:425:9
[INFO] [stderr]     |
[INFO] [stderr] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:427:9
[INFO] [stderr]     |
[INFO] [stderr] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:787:13
[INFO] [stderr]     |
[INFO] [stderr] 787 |             try!(self.newline(writer, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             try!(self.start_value(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:813:9
[INFO] [stderr]     |
[INFO] [stderr] 813 |         try!(writer.write(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:814:9
[INFO] [stderr]     |
[INFO] [stderr] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:821:9
[INFO] [stderr]     |
[INFO] [stderr] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:830:13
[INFO] [stderr]     |
[INFO] [stderr] 830 |             try!(writer.write_all(b" "))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:840:5
[INFO] [stderr]     |
[INFO] [stderr] 840 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:857:13
[INFO] [stderr]     |
[INFO] [stderr] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:860:9
[INFO] [stderr]     |
[INFO] [stderr] 860 |         try!(wr.write_all(escaped));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:866:9
[INFO] [stderr]     |
[INFO] [stderr] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:869:5
[INFO] [stderr]     |
[INFO] [stderr] 869 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:890:9
[INFO] [stderr]     |
[INFO] [stderr] 890 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:911:13
[INFO] [stderr]     |
[INFO] [stderr] 911 |             try!(formatter.start_value(wr));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:917:9
[INFO] [stderr]     |
[INFO] [stderr] 917 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:935:9
[INFO] [stderr]     |
[INFO] [stderr] 935 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:936:9
[INFO] [stderr]     |
[INFO] [stderr] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:937:9
[INFO] [stderr]     |
[INFO] [stderr] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:938:9
[INFO] [stderr]     |
[INFO] [stderr] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:940:9
[INFO] [stderr]     |
[INFO] [stderr] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:941:9
[INFO] [stderr]     |
[INFO] [stderr] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:943:13
[INFO] [stderr]     |
[INFO] [stderr] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:944:13
[INFO] [stderr]     |
[INFO] [stderr] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:946:9
[INFO] [stderr]     |
[INFO] [stderr] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:947:9
[INFO] [stderr]     |
[INFO] [stderr] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:983:13
[INFO] [stderr]     |
[INFO] [stderr] 983 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:986:13
[INFO] [stderr]     |
[INFO] [stderr] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:997:13
[INFO] [stderr]     |
[INFO] [stderr] 997 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1000:13
[INFO] [stderr]      |
[INFO] [stderr] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1010:9
[INFO] [stderr]      |
[INFO] [stderr] 1010 |         try!(wr.write_all(s));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1034:5
[INFO] [stderr]      |
[INFO] [stderr] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1045:5
[INFO] [stderr]      |
[INFO] [stderr] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1053:15
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     let vec = try!(to_vec(value));
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1054:18
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |             match try!(self.peek()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:110:19
[INFO] [stderr]     |
[INFO] [stderr] 110 |             match try!(self.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:116:27
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:82
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:179:30
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:226:12
[INFO] [stderr]     |
[INFO] [stderr] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:230:19
[INFO] [stderr]     |
[INFO] [stderr] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:239:19
[INFO] [stderr]     |
[INFO] [stderr] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:267:15
[INFO] [stderr]     |
[INFO] [stderr] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:273:19
[INFO] [stderr]     |
[INFO] [stderr] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:289:15
[INFO] [stderr]     |
[INFO] [stderr] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:296:15
[INFO] [stderr]     |
[INFO] [stderr] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:432:30
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:441:30
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:461:17
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:462:9
[INFO] [stderr]     |
[INFO] [stderr] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:638:25
[INFO] [stderr]     |
[INFO] [stderr] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:640:13
[INFO] [stderr]     |
[INFO] [stderr] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:869:9
[INFO] [stderr]     |
[INFO] [stderr] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1205:25
[INFO] [stderr]      |
[INFO] [stderr] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1242:25
[INFO] [stderr]      |
[INFO] [stderr] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1253:12
[INFO] [stderr]      |
[INFO] [stderr] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1325:12
[INFO] [stderr]      |
[INFO] [stderr] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:246:26
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[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/de.rs:360:40
[INFO] [stderr]     |
[INFO] [stderr] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stderr]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:366:45
[INFO] [stderr]     |
[INFO] [stderr] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:147:32
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:268:22
[INFO] [stderr]     |
[INFO] [stderr] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:297:22
[INFO] [stderr]     |
[INFO] [stderr] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:142:37
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:143:49
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 177 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `"docker" "inspect" "8015f8ae4bb14224292aa0674e0393dcf5c5254c7509f147c695b49f6ee70545"`
[INFO] running `"docker" "rm" "-f" "8015f8ae4bb14224292aa0674e0393dcf5c5254c7509f147c695b49f6ee70545"`
[INFO] [stdout] 8015f8ae4bb14224292aa0674e0393dcf5c5254c7509f147c695b49f6ee70545
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] caf2eeb222037c93e0149d2b65b8802832966a1c5f23e5cd06fdbc61c4c40a37
[INFO] running `"docker" "start" "-a" "caf2eeb222037c93e0149d2b65b8802832966a1c5f23e5cd06fdbc61c4c40a37"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.rdr.parse_whitespace());
[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/de.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |         if try!(self.rdr.eof()) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 113 |         if try!(self.rdr.eof()) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         try!(self.rdr.parse_whitespace());
[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/de.rs:129:27
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 |         if try!(self.rdr.eof()) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/de.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 113 |         if try!(self.rdr.eof()) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(self.parse_string());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:192:22
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:196:26
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:244:25
[INFO] [stderr]     |
[INFO] [stderr] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:245:23
[INFO] [stderr]     |
[INFO] [stderr] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:268:15
[INFO] [stderr]     |
[INFO] [stderr] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:297:15
[INFO] [stderr]     |
[INFO] [stderr] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:306:22
[INFO] [stderr]     |
[INFO] [stderr] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:344:36
[INFO] [stderr]     |
[INFO] [stderr] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:359:43
[INFO] [stderr]     |
[INFO] [stderr] 359 | ...                   let c = 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/de.rs:367:44
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:367:72
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:374:46
[INFO] [stderr]     |
[INFO] [stderr] 374 | ...                   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/de.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:422:15
[INFO] [stderr]     |
[INFO] [stderr] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:450:9
[INFO] [stderr]     |
[INFO] [stderr] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:452:15
[INFO] [stderr]     |
[INFO] [stderr] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:526:15
[INFO] [stderr]     |
[INFO] [stderr] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:537:21
[INFO] [stderr]     |
[INFO] [stderr] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:541:12
[INFO] [stderr]     |
[INFO] [stderr] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:543:13
[INFO] [stderr]     |
[INFO] [stderr] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:552:15
[INFO] [stderr]     |
[INFO] [stderr] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:587:9
[INFO] [stderr]     |
[INFO] [stderr] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:591:19
[INFO] [stderr]     |
[INFO] [stderr] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:597:15
[INFO] [stderr]     |
[INFO] [stderr] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:606:15
[INFO] [stderr]     |
[INFO] [stderr] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:609:25
[INFO] [stderr]     |
[INFO] [stderr] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         try!(self.de.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:621:12
[INFO] [stderr]     |
[INFO] [stderr] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:625:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:627:15
[INFO] [stderr]     |
[INFO] [stderr] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:696:12
[INFO] [stderr]     |
[INFO] [stderr] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:707:19
[INFO] [stderr]     |
[INFO] [stderr] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         try!(self.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:808:25
[INFO] [stderr]     |
[INFO] [stderr] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:813:73
[INFO] [stderr]     |
[INFO] [stderr] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:167:25
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(value.serialize(self));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:349:13
[INFO] [stderr]     |
[INFO] [stderr] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:407:9
[INFO] [stderr]     |
[INFO] [stderr] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:425:9
[INFO] [stderr]     |
[INFO] [stderr] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:427:9
[INFO] [stderr]     |
[INFO] [stderr] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:787:13
[INFO] [stderr]     |
[INFO] [stderr] 787 |             try!(self.newline(writer, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             try!(self.start_value(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:813:9
[INFO] [stderr]     |
[INFO] [stderr] 813 |         try!(writer.write(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:814:9
[INFO] [stderr]     |
[INFO] [stderr] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:821:9
[INFO] [stderr]     |
[INFO] [stderr] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:830:13
[INFO] [stderr]     |
[INFO] [stderr] 830 |             try!(writer.write_all(b" "))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:129:27
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 try!(self.parse_string());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:192:22
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:196:26
[INFO] [stderr]     |
[INFO] [stderr] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:244:25
[INFO] [stderr]     |
[INFO] [stderr] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:245:23
[INFO] [stderr]     |
[INFO] [stderr] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:268:15
[INFO] [stderr]     |
[INFO] [stderr] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:297:15
[INFO] [stderr]     |
[INFO] [stderr] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:305:16
[INFO] [stderr]     |
[INFO] [stderr] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:306:22
[INFO] [stderr]     |
[INFO] [stderr] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:344:36
[INFO] [stderr]     |
[INFO] [stderr] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:359:43
[INFO] [stderr]     |
[INFO] [stderr] 359 | ...                   let c = 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/de.rs:367:44
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:367:72
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:374:46
[INFO] [stderr]     |
[INFO] [stderr] 374 | ...                   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/de.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:422:15
[INFO] [stderr]     |
[INFO] [stderr] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:450:9
[INFO] [stderr]     |
[INFO] [stderr] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:840:5
[INFO] [stderr]     |
[INFO] [stderr] 840 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:857:13
[INFO] [stderr]     |
[INFO] [stderr] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:860:9
[INFO] [stderr]     |
[INFO] [stderr] 860 |         try!(wr.write_all(escaped));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:866:9
[INFO] [stderr]     |
[INFO] [stderr] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:869:5
[INFO] [stderr]     |
[INFO] [stderr] 869 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:890:9
[INFO] [stderr]     |
[INFO] [stderr] 890 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:911:13
[INFO] [stderr]     |
[INFO] [stderr] 911 |             try!(formatter.start_value(wr));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:917:9
[INFO] [stderr]     |
[INFO] [stderr] 917 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:935:9
[INFO] [stderr]     |
[INFO] [stderr] 935 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:936:9
[INFO] [stderr]     |
[INFO] [stderr] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:937:9
[INFO] [stderr]     |
[INFO] [stderr] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:938:9
[INFO] [stderr]     |
[INFO] [stderr] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:940:9
[INFO] [stderr]     |
[INFO] [stderr] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:941:9
[INFO] [stderr]     |
[INFO] [stderr] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:943:13
[INFO] [stderr]     |
[INFO] [stderr] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:944:13
[INFO] [stderr]     |
[INFO] [stderr] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:946:9
[INFO] [stderr]     |
[INFO] [stderr] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:947:9
[INFO] [stderr]     |
[INFO] [stderr] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:983:13
[INFO] [stderr]     |
[INFO] [stderr] 983 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:986:13
[INFO] [stderr]     |
[INFO] [stderr] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:997:13
[INFO] [stderr]     |
[INFO] [stderr] 997 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1000:13
[INFO] [stderr]      |
[INFO] [stderr] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1010:9
[INFO] [stderr]      |
[INFO] [stderr] 1010 |         try!(wr.write_all(s));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1034:5
[INFO] [stderr]      |
[INFO] [stderr] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1045:5
[INFO] [stderr]      |
[INFO] [stderr] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1053:15
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     let vec = try!(to_vec(value));
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1054:18
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |             match try!(self.peek()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:110:19
[INFO] [stderr]     |
[INFO] [stderr] 110 |             match try!(self.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:116:27
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:82
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:179:30
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:226:12
[INFO] [stderr]     |
[INFO] [stderr] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:230:19
[INFO] [stderr]     |
[INFO] [stderr] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:239:19
[INFO] [stderr]     |
[INFO] [stderr] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:267:15
[INFO] [stderr]     |
[INFO] [stderr] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:273:19
[INFO] [stderr]     |
[INFO] [stderr] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:289:15
[INFO] [stderr]     |
[INFO] [stderr] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:296:15
[INFO] [stderr]     |
[INFO] [stderr] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:432:30
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:441:30
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:461:17
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:462:9
[INFO] [stderr]     |
[INFO] [stderr] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:638:25
[INFO] [stderr]     |
[INFO] [stderr] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:640:13
[INFO] [stderr]     |
[INFO] [stderr] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:869:9
[INFO] [stderr]     |
[INFO] [stderr] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1205:25
[INFO] [stderr]      |
[INFO] [stderr] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1242:25
[INFO] [stderr]      |
[INFO] [stderr] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1253:12
[INFO] [stderr]      |
[INFO] [stderr] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1325:12
[INFO] [stderr]      |
[INFO] [stderr] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:246:26
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[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/de.rs:360:40
[INFO] [stderr]     |
[INFO] [stderr] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stderr]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:366:45
[INFO] [stderr]     |
[INFO] [stderr] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:147:32
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:268:22
[INFO] [stderr]     |
[INFO] [stderr] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:297:22
[INFO] [stderr]     |
[INFO] [stderr] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:142:37
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:143:49
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 177 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:452:15
[INFO] [stderr]     |
[INFO] [stderr] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:524:9
[INFO] [stderr]     |
[INFO] [stderr] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:526:15
[INFO] [stderr]     |
[INFO] [stderr] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:537:21
[INFO] [stderr]     |
[INFO] [stderr] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:540:9
[INFO] [stderr]     |
[INFO] [stderr] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:541:12
[INFO] [stderr]     |
[INFO] [stderr] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:543:13
[INFO] [stderr]     |
[INFO] [stderr] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:552:15
[INFO] [stderr]     |
[INFO] [stderr] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:587:9
[INFO] [stderr]     |
[INFO] [stderr] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:591:19
[INFO] [stderr]     |
[INFO] [stderr] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:594:13
[INFO] [stderr]     |
[INFO] [stderr] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:597:15
[INFO] [stderr]     |
[INFO] [stderr] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:606:15
[INFO] [stderr]     |
[INFO] [stderr] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:609:25
[INFO] [stderr]     |
[INFO] [stderr] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         try!(self.de.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:621:12
[INFO] [stderr]     |
[INFO] [stderr] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:625:9
[INFO] [stderr]     |
[INFO] [stderr] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:627:15
[INFO] [stderr]     |
[INFO] [stderr] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:696:12
[INFO] [stderr]     |
[INFO] [stderr] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:707:19
[INFO] [stderr]     |
[INFO] [stderr] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         try!(self.parse_object_colon());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:808:25
[INFO] [stderr]     |
[INFO] [stderr] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/de.rs:813:73
[INFO] [stderr]     |
[INFO] [stderr] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stderr]     |                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ser.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:167:25
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(value.serialize(self));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:240:13
[INFO] [stderr]     |
[INFO] [stderr] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:349:13
[INFO] [stderr]     |
[INFO] [stderr] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:350:13
[INFO] [stderr]     |
[INFO] [stderr] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:353:13
[INFO] [stderr]     |
[INFO] [stderr] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:407:9
[INFO] [stderr]     |
[INFO] [stderr] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:425:9
[INFO] [stderr]     |
[INFO] [stderr] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:426:9
[INFO] [stderr]     |
[INFO] [stderr] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:427:9
[INFO] [stderr]     |
[INFO] [stderr] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:787:13
[INFO] [stderr]     |
[INFO] [stderr] 787 |             try!(self.newline(writer, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             try!(self.start_value(writer));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:813:9
[INFO] [stderr]     |
[INFO] [stderr] 813 |         try!(writer.write(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:814:9
[INFO] [stderr]     |
[INFO] [stderr] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:821:9
[INFO] [stderr]     |
[INFO] [stderr] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:830:13
[INFO] [stderr]     |
[INFO] [stderr] 830 |             try!(writer.write_all(b" "))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:840:5
[INFO] [stderr]     |
[INFO] [stderr] 840 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:857:13
[INFO] [stderr]     |
[INFO] [stderr] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:860:9
[INFO] [stderr]     |
[INFO] [stderr] 860 |         try!(wr.write_all(escaped));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:866:9
[INFO] [stderr]     |
[INFO] [stderr] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:869:5
[INFO] [stderr]     |
[INFO] [stderr] 869 |     try!(wr.write_all(b"\""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:890:9
[INFO] [stderr]     |
[INFO] [stderr] 890 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:911:13
[INFO] [stderr]     |
[INFO] [stderr] 911 |             try!(formatter.start_value(wr));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:917:9
[INFO] [stderr]     |
[INFO] [stderr] 917 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:935:9
[INFO] [stderr]     |
[INFO] [stderr] 935 |         try!(formatter.start_value(wr));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:936:9
[INFO] [stderr]     |
[INFO] [stderr] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:937:9
[INFO] [stderr]     |
[INFO] [stderr] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:938:9
[INFO] [stderr]     |
[INFO] [stderr] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:940:9
[INFO] [stderr]     |
[INFO] [stderr] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:941:9
[INFO] [stderr]     |
[INFO] [stderr] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:943:13
[INFO] [stderr]     |
[INFO] [stderr] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:944:13
[INFO] [stderr]     |
[INFO] [stderr] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:946:9
[INFO] [stderr]     |
[INFO] [stderr] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:947:9
[INFO] [stderr]     |
[INFO] [stderr] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:983:13
[INFO] [stderr]     |
[INFO] [stderr] 983 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:986:13
[INFO] [stderr]     |
[INFO] [stderr] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ser.rs:997:13
[INFO] [stderr]     |
[INFO] [stderr] 997 |             try!(wr.write_all(b"null"))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1000:13
[INFO] [stderr]      |
[INFO] [stderr] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stderr]      |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1010:9
[INFO] [stderr]      |
[INFO] [stderr] 1010 |         try!(wr.write_all(s));
[INFO] [stderr]      |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1034:5
[INFO] [stderr]      |
[INFO] [stderr] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1045:5
[INFO] [stderr]      |
[INFO] [stderr] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stderr]      |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1053:15
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     let vec = try!(to_vec(value));
[INFO] [stderr]      |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/ser.rs:1054:18
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stderr]      |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |             match try!(self.peek()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:110:19
[INFO] [stderr]     |
[INFO] [stderr] 110 |             match try!(self.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:116:27
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:37
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:121:82
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stderr]     |                                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:179:30
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:220:12
[INFO] [stderr]     |
[INFO] [stderr] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:226:12
[INFO] [stderr]     |
[INFO] [stderr] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:230:19
[INFO] [stderr]     |
[INFO] [stderr] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:239:19
[INFO] [stderr]     |
[INFO] [stderr] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:267:15
[INFO] [stderr]     |
[INFO] [stderr] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:273:19
[INFO] [stderr]     |
[INFO] [stderr] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:279:15
[INFO] [stderr]     |
[INFO] [stderr] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:289:15
[INFO] [stderr]     |
[INFO] [stderr] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:296:15
[INFO] [stderr]     |
[INFO] [stderr] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/util.rs:302:19
[INFO] [stderr]     |
[INFO] [stderr] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:432:30
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:441:30
[INFO] [stderr]     |
[INFO] [stderr] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:461:17
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:462:9
[INFO] [stderr]     |
[INFO] [stderr] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:638:25
[INFO] [stderr]     |
[INFO] [stderr] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:640:13
[INFO] [stderr]     |
[INFO] [stderr] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value.rs:869:9
[INFO] [stderr]     |
[INFO] [stderr] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1205:25
[INFO] [stderr]      |
[INFO] [stderr] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1242:25
[INFO] [stderr]      |
[INFO] [stderr] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stderr]      |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1253:12
[INFO] [stderr]      |
[INFO] [stderr] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/value.rs:1325:12
[INFO] [stderr]      |
[INFO] [stderr] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stderr]      |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:246:26
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[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/de.rs:360:40
[INFO] [stderr]     |
[INFO] [stderr] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stderr]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/de.rs:366:45
[INFO] [stderr]     |
[INFO] [stderr] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stderr]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:147:32
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:240:22
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:268:22
[INFO] [stderr]     |
[INFO] [stderr] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:297:22
[INFO] [stderr]     |
[INFO] [stderr] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:142:37
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:143:49
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 177 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_hjson-99ce0be19640d993
[INFO] [stdout] running 1 test
[INFO] [stdout] test value::test::number_deserialize ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- value::test::number_deserialize stdout ----
[INFO] [stdout] thread 'value::test::number_deserialize' panicked at 'attempted to leave type `linked_hash_map::Node<std::string::String, value::Value>` uninitialized, which is invalid', /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x559808c672d4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x559808c672d4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x559808c672d4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x559808c672d4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7729313ad2d729c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x559808c912ac - core::fmt::write::hb0049f6c12bdaffc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x559808c0c235 - std::io::Write::write_fmt::h5d052af13df32ea6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x559808c618f1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8fe8a9bdc421b4b6
[INFO] [stdout]                                at src/libstd/io/impls.rs:156
[INFO] [stdout]    7:     0x559808c69ba5 - std::sys_common::backtrace::_print::ha087cac92e84a414
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x559808c69ba5 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x559808c69ba5 - std::panicking::default_hook::{{closure}}::h016d7de02def2736
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x559808c6988b - std::panicking::default_hook::h9386f7e484840463
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x559808c6a202 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   12:     0x559808c69deb - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   13:     0x559808c8fcd1 - core::panicking::panic_fmt::hc5953a7331f9805c
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   14:     0x559808c8fc1d - core::panicking::panic::hbfb03ddd2cbb509e
[INFO] [stdout]                                at src/libcore/panicking.rs:54
[INFO] [stdout]   15:     0x559808c0943c - core::mem::uninitialized::h86fe2218752b406e
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661
[INFO] [stdout]   16:     0x559808c0943c - linked_hash_map::LinkedHashMap<K,V,S>::insert::hd82b1409e91bf67d
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.3.0/src/lib.rs:203
[INFO] [stdout]   17:     0x559808bfff67 - <linked_hash_map::serde::LinkedHashMapVisitor<K,V> as serde::de::Visitor>::visit_map::h292fac089eb23deb
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.3.0/src/serde.rs:72
[INFO] [stdout]   18:     0x559808bf646c - <<serde_hjson::value::Value as serde::de::Deserialize>::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::h8641bca0fe0744b1
[INFO] [stdout]                                at src/value.rs:441
[INFO] [stdout]   19:     0x559808bd293f - serde_hjson::de::Deserializer<Iter>::parse_value::hc37bf0ca933dd9b4
[INFO] [stdout]                                at src/de.rs:151
[INFO] [stdout]   20:     0x559808bdddb9 - <serde_hjson::de::Deserializer<Iter> as serde::de::Deserializer>::deserialize::he31c455f4bdb3318
[INFO] [stdout]                                at src/de.rs:443
[INFO] [stdout]   21:     0x559808bf5bb6 - <serde_hjson::value::Value as serde::de::Deserialize>::deserialize::h664604bd0e748c33
[INFO] [stdout]                                at src/value.rs:446
[INFO] [stdout]   22:     0x559808be1d00 - serde_hjson::de::from_iter::h957eb3e6a15fb56c
[INFO] [stdout]                                at src/de.rs:813
[INFO] [stdout]   23:     0x559808be243c - serde_hjson::de::from_slice::h348fedbe3c9149f7
[INFO] [stdout]                                at src/de.rs:846
[INFO] [stdout]   24:     0x559808be24c7 - serde_hjson::de::from_str::h62e8bd0587b7fce0
[INFO] [stdout]                                at src/de.rs:853
[INFO] [stdout]   25:     0x559808bf2ed3 - serde_hjson::value::test::number_deserialize::h0aee17f3ea1dc594
[INFO] [stdout]                                at src/value.rs:1421
[INFO] [stdout]   26:     0x559808bf2e9a - serde_hjson::value::test::number_deserialize::{{closure}}::h3d7cd79924e529bb
[INFO] [stdout]                                at src/value.rs:1420
[INFO] [stdout]   27:     0x559808bf43ee - core::ops::function::FnOnce::call_once::h84eca264932b341a
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   28:     0x559808c1812f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1f6ee40732e80908
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   29:     0x559808c3372e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   30:     0x559808c3372e - std::panicking::try::do_call::hee6f5a4bef67c840
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   31:     0x559808c3372e - std::panicking::try::h3384d3b948e84dbc
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   32:     0x559808c3372e - std::panic::catch_unwind::h5ae91218e578066d
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   33:     0x559808c3372e - test::run_test_in_process::he37a49587889b910
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   34:     0x559808c3372e - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   35:     0x559808c0b6e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   36:     0x559808c10a75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475
[INFO] [stdout]   37:     0x559808c10a75 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   38:     0x559808c10a75 - std::panicking::try::do_call::hb29b86f86d4d722e
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   39:     0x559808c10a75 - std::panicking::try::h4bfefb3eddc0d900
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   40:     0x559808c10a75 - std::panic::catch_unwind::h774c24d4b38d5828
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   41:     0x559808c10a75 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474
[INFO] [stdout]   42:     0x559808c10a75 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   43:     0x559808c5daff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h7deaeeba480c6ce2
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   44:     0x559808c709e3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h968b1dfb87756523
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   45:     0x559808c709e3 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   46:     0x7fd97e0896db - start_thread
[INFO] [stdout]   47:     0x7fd97db9a88f - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     value::test::number_deserialize
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "caf2eeb222037c93e0149d2b65b8802832966a1c5f23e5cd06fdbc61c4c40a37"`
[INFO] running `"docker" "rm" "-f" "caf2eeb222037c93e0149d2b65b8802832966a1c5f23e5cd06fdbc61c4c40a37"`
[INFO] [stdout] caf2eeb222037c93e0149d2b65b8802832966a1c5f23e5cd06fdbc61c4c40a37