[INFO] fetching crate serde-hjson 0.9.1...
[INFO] testing serde-hjson-0.9.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde-hjson 0.9.1 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate serde-hjson 0.9.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61d1430a92b8638a9aa6af1e46fdece565097bd4a741fe461b89003e717e767d
[INFO] running `Command { std: "docker" "start" "-a" "61d1430a92b8638a9aa6af1e46fdece565097bd4a741fe461b89003e717e767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d1430a92b8638a9aa6af1e46fdece565097bd4a741fe461b89003e717e767d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d1430a92b8638a9aa6af1e46fdece565097bd4a741fe461b89003e717e767d", kill_on_drop: false }`
[INFO] [stdout] 61d1430a92b8638a9aa6af1e46fdece565097bd4a741fe461b89003e717e767d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9985fa590b4be1b671799621960ee37985d87a06e2b2edbd8c1b5c47087d41ff
[INFO] running `Command { std: "docker" "start" "-a" "9985fa590b4be1b671799621960ee37985d87a06e2b2edbd8c1b5c47087d41ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde-hjson v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |         if try!(self.rdr.eof()) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |         if try!(self.rdr.eof()) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 try!(self.parse_string());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:192:22
[INFO] [stdout]     |
[INFO] [stdout] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:196:26
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:244:25
[INFO] [stdout]     |
[INFO] [stdout] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:245:23
[INFO] [stdout]     |
[INFO] [stdout] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:246:26
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:268:15
[INFO] [stdout]     |
[INFO] [stdout] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:297:15
[INFO] [stdout]     |
[INFO] [stdout] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:298:12
[INFO] [stdout]     |
[INFO] [stdout] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:305:16
[INFO] [stdout]     |
[INFO] [stdout] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:306:22
[INFO] [stdout]     |
[INFO] [stdout] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:325:30
[INFO] [stdout]     |
[INFO] [stdout] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:344:36
[INFO] [stdout]     |
[INFO] [stdout] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:359:43
[INFO] [stdout]     |
[INFO] [stdout] 359 | ...                   let c = match try!(self.decode_hex_escape()) {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:360:40
[INFO] [stdout]     |
[INFO] [stdout] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:366:45
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:367:44
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:367:72
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stdout]     |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:374:46
[INFO] [stdout]     |
[INFO] [stdout] 374 | ...                   let n2 = try!(self.decode_hex_escape());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:422:15
[INFO] [stdout]     |
[INFO] [stdout] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:450:9
[INFO] [stdout]     |
[INFO] [stdout] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:452:15
[INFO] [stdout]     |
[INFO] [stdout] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:526:15
[INFO] [stdout]     |
[INFO] [stdout] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:537:21
[INFO] [stdout]     |
[INFO] [stdout] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:541:12
[INFO] [stdout]     |
[INFO] [stdout] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:552:15
[INFO] [stdout]     |
[INFO] [stdout] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:591:19
[INFO] [stdout]     |
[INFO] [stdout] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:597:15
[INFO] [stdout]     |
[INFO] [stdout] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:606:15
[INFO] [stdout]     |
[INFO] [stdout] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:609:25
[INFO] [stdout]     |
[INFO] [stdout] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         try!(self.de.parse_object_colon());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:621:12
[INFO] [stdout]     |
[INFO] [stdout] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:625:9
[INFO] [stdout]     |
[INFO] [stdout] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:627:15
[INFO] [stdout]     |
[INFO] [stdout] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:696:12
[INFO] [stdout]     |
[INFO] [stdout] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:708:9
[INFO] [stdout]     |
[INFO] [stdout] 708 |         try!(self.parse_object_colon());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:707:19
[INFO] [stdout]     |
[INFO] [stdout] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:808:25
[INFO] [stdout]     |
[INFO] [stdout] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:813:73
[INFO] [stdout]     |
[INFO] [stdout] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stdout]     |                                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:167:25
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         try!(value.serialize(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:350:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |             try!(self.newline(writer, 0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:789:13
[INFO] [stdout]     |
[INFO] [stdout] 789 |             try!(self.start_value(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:813:9
[INFO] [stdout]     |
[INFO] [stdout] 813 |         try!(writer.write(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:814:9
[INFO] [stdout]     |
[INFO] [stdout] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:821:9
[INFO] [stdout]     |
[INFO] [stdout] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:830:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             try!(writer.write_all(b" "))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:840:5
[INFO] [stdout]     |
[INFO] [stdout] 840 |     try!(wr.write_all(b"\""));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:869:5
[INFO] [stdout]     |
[INFO] [stdout] 869 |     try!(wr.write_all(b"\""));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:860:9
[INFO] [stdout]     |
[INFO] [stdout] 860 |         try!(wr.write_all(escaped));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:857:13
[INFO] [stdout]     |
[INFO] [stdout] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:866:9
[INFO] [stdout]     |
[INFO] [stdout] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:911:13
[INFO] [stdout]     |
[INFO] [stdout] 911 |             try!(formatter.start_value(wr));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:935:9
[INFO] [stdout]     |
[INFO] [stdout] 935 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:936:9
[INFO] [stdout]     |
[INFO] [stdout] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:938:9
[INFO] [stdout]     |
[INFO] [stdout] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:940:9
[INFO] [stdout]     |
[INFO] [stdout] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:946:9
[INFO] [stdout]     |
[INFO] [stdout] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:947:9
[INFO] [stdout]     |
[INFO] [stdout] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:943:13
[INFO] [stdout]     |
[INFO] [stdout] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:944:13
[INFO] [stdout]     |
[INFO] [stdout] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:983:13
[INFO] [stdout]     |
[INFO] [stdout] 983 |             try!(wr.write_all(b"null"))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:997:13
[INFO] [stdout]     |
[INFO] [stdout] 997 |             try!(wr.write_all(b"null"))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1000:13
[INFO] [stdout]      |
[INFO] [stdout] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stdout]      |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 |         try!(wr.write_all(s));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1034:5
[INFO] [stdout]      |
[INFO] [stdout] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1045:5
[INFO] [stdout]      |
[INFO] [stdout] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1053:15
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     let vec = try!(to_vec(value));
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1054:18
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |             match try!(self.peek()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |             match try!(self.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:116:27
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:117:39
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:121:37
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:121:82
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:179:30
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:230:19
[INFO] [stdout]     |
[INFO] [stdout] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:231:22
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 b'0' ... b'9' => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:240:22
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 b'0' ... b'9' => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:268:22
[INFO] [stdout]     |
[INFO] [stdout] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:273:19
[INFO] [stdout]     |
[INFO] [stdout] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:274:22
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:289:15
[INFO] [stdout]     |
[INFO] [stdout] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:296:15
[INFO] [stdout]     |
[INFO] [stdout] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:303:22
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:432:30
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:441:30
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:638:25
[INFO] [stdout]     |
[INFO] [stdout] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:640:13
[INFO] [stdout]     |
[INFO] [stdout] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:869:9
[INFO] [stdout]     |
[INFO] [stdout] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1205:25
[INFO] [stdout]      |
[INFO] [stdout] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]      |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1242:25
[INFO] [stdout]      |
[INFO] [stdout] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]      |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1253:12
[INFO] [stdout]      |
[INFO] [stdout] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1325:12
[INFO] [stdout]      |
[INFO] [stdout] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:142:51
[INFO] [stdout]     |
[INFO] [stdout] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:143:49
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 177 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "9985fa590b4be1b671799621960ee37985d87a06e2b2edbd8c1b5c47087d41ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9985fa590b4be1b671799621960ee37985d87a06e2b2edbd8c1b5c47087d41ff", kill_on_drop: false }`
[INFO] [stdout] 9985fa590b4be1b671799621960ee37985d87a06e2b2edbd8c1b5c47087d41ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e29b981adf3c628bb82bca28c4fcb5a26eeaa5767867f6a50d4163b7b946eaf
[INFO] running `Command { std: "docker" "start" "-a" "1e29b981adf3c628bb82bca28c4fcb5a26eeaa5767867f6a50d4163b7b946eaf", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |         if try!(self.rdr.eof()) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |         if try!(self.rdr.eof()) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 try!(self.parse_string());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:192:22
[INFO] [stdout]     |
[INFO] [stdout] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:196:26
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:244:25
[INFO] [stdout]     |
[INFO] [stdout] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:245:23
[INFO] [stdout]     |
[INFO] [stdout] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:246:26
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:268:15
[INFO] [stdout]     |
[INFO] [stdout] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:297:15
[INFO] [stdout]     |
[INFO] [stdout] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:298:12
[INFO] [stdout]     |
[INFO] [stdout] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:305:16
[INFO] [stdout]     |
[INFO] [stdout] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:306:22
[INFO] [stdout]     |
[INFO] [stdout] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:325:30
[INFO] [stdout]     |
[INFO] [stdout] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:344:36
[INFO] [stdout]     |
[INFO] [stdout] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:359:43
[INFO] [stdout]     |
[INFO] [stdout] 359 | ...                   let c = match try!(self.decode_hex_escape()) {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:360:40
[INFO] [stdout]     |
[INFO] [stdout] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:366:45
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:367:44
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:367:72
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stdout]     |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:374:46
[INFO] [stdout]     |
[INFO] [stdout] 374 | ...                   let n2 = try!(self.decode_hex_escape());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:422:15
[INFO] [stdout]     |
[INFO] [stdout] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:450:9
[INFO] [stdout]     |
[INFO] [stdout] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:452:15
[INFO] [stdout]     |
[INFO] [stdout] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:526:15
[INFO] [stdout]     |
[INFO] [stdout] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:537:21
[INFO] [stdout]     |
[INFO] [stdout] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:541:12
[INFO] [stdout]     |
[INFO] [stdout] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:552:15
[INFO] [stdout]     |
[INFO] [stdout] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:591:19
[INFO] [stdout]     |
[INFO] [stdout] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:597:15
[INFO] [stdout]     |
[INFO] [stdout] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:606:15
[INFO] [stdout]     |
[INFO] [stdout] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:609:25
[INFO] [stdout]     |
[INFO] [stdout] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         try!(self.de.parse_object_colon());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:621:12
[INFO] [stdout]     |
[INFO] [stdout] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:625:9
[INFO] [stdout]     |
[INFO] [stdout] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:627:15
[INFO] [stdout]     |
[INFO] [stdout] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:696:12
[INFO] [stdout]     |
[INFO] [stdout] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:708:9
[INFO] [stdout]     |
[INFO] [stdout] 708 |         try!(self.parse_object_colon());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:707:19
[INFO] [stdout]     |
[INFO] [stdout] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:808:25
[INFO] [stdout]     |
[INFO] [stdout] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:813:73
[INFO] [stdout]     |
[INFO] [stdout] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stdout]     |                                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:167:25
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         try!(value.serialize(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:350:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |             try!(self.newline(writer, 0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:789:13
[INFO] [stdout]     |
[INFO] [stdout] 789 |             try!(self.start_value(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:813:9
[INFO] [stdout]     |
[INFO] [stdout] 813 |         try!(writer.write(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:814:9
[INFO] [stdout]     |
[INFO] [stdout] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:821:9
[INFO] [stdout]     |
[INFO] [stdout] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:830:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             try!(writer.write_all(b" "))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:840:5
[INFO] [stdout]     |
[INFO] [stdout] 840 |     try!(wr.write_all(b"\""));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:869:5
[INFO] [stdout]     |
[INFO] [stdout] 869 |     try!(wr.write_all(b"\""));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:860:9
[INFO] [stdout]     |
[INFO] [stdout] 860 |         try!(wr.write_all(escaped));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:857:13
[INFO] [stdout]     |
[INFO] [stdout] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:866:9
[INFO] [stdout]     |
[INFO] [stdout] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:911:13
[INFO] [stdout]     |
[INFO] [stdout] 911 |             try!(formatter.start_value(wr));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:935:9
[INFO] [stdout]     |
[INFO] [stdout] 935 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:936:9
[INFO] [stdout]     |
[INFO] [stdout] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:938:9
[INFO] [stdout]     |
[INFO] [stdout] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:940:9
[INFO] [stdout]     |
[INFO] [stdout] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:946:9
[INFO] [stdout]     |
[INFO] [stdout] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:947:9
[INFO] [stdout]     |
[INFO] [stdout] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:943:13
[INFO] [stdout]     |
[INFO] [stdout] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:944:13
[INFO] [stdout]     |
[INFO] [stdout] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:983:13
[INFO] [stdout]     |
[INFO] [stdout] 983 |             try!(wr.write_all(b"null"))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:997:13
[INFO] [stdout]     |
[INFO] [stdout] 997 |             try!(wr.write_all(b"null"))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1000:13
[INFO] [stdout]      |
[INFO] [stdout] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stdout]      |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 |         try!(wr.write_all(s));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1034:5
[INFO] [stdout]      |
[INFO] [stdout] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1045:5
[INFO] [stdout]      |
[INFO] [stdout] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1053:15
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     let vec = try!(to_vec(value));
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1054:18
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde-hjson v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |             match try!(self.peek()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |             match try!(self.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:116:27
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:117:39
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:121:37
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:121:82
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:179:30
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:230:19
[INFO] [stdout]     |
[INFO] [stdout] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:231:22
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 b'0' ... b'9' => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:240:22
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 b'0' ... b'9' => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:268:22
[INFO] [stdout]     |
[INFO] [stdout] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:273:19
[INFO] [stdout]     |
[INFO] [stdout] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:274:22
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:289:15
[INFO] [stdout]     |
[INFO] [stdout] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:296:15
[INFO] [stdout]     |
[INFO] [stdout] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:303:22
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:432:30
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:441:30
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:638:25
[INFO] [stdout]     |
[INFO] [stdout] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:640:13
[INFO] [stdout]     |
[INFO] [stdout] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:869:9
[INFO] [stdout]     |
[INFO] [stdout] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1205:25
[INFO] [stdout]      |
[INFO] [stdout] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]      |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1242:25
[INFO] [stdout]      |
[INFO] [stdout] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]      |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1253:12
[INFO] [stdout]      |
[INFO] [stdout] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1325:12
[INFO] [stdout]      |
[INFO] [stdout] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:142:51
[INFO] [stdout]     |
[INFO] [stdout] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:143:49
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 177 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |         if try!(self.rdr.eof()) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/de.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |         if try!(self.rdr.eof()) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:129:27
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let value = match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 try!(self.parse_string());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 |             if Some(*c) != try!(self.rdr.next_char()) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let first = try!(self.rdr.peek()).unwrap();
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:192:22
[INFO] [stdout]     |
[INFO] [stdout] 192 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:196:26
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 let next=try!(self.rdr.peek_or_null());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:244:25
[INFO] [stdout]     |
[INFO] [stdout] 244 |         while i < 4 && !try!(self.rdr.eof()) {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:245:23
[INFO] [stdout]     |
[INFO] [stdout] 245 |             n = match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:246:26
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 c @ b'0' ... b'9' => n * 16_u16 + ((c as u16) - (b'0' as u16)),
[INFO] [stdout]     |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:268:15
[INFO] [stdout]     |
[INFO] [stdout] 268 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |         while try!(self.ml_skip_white()) && skip > 0 {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:297:15
[INFO] [stdout]     |
[INFO] [stdout] 297 |         while try!(self.ml_skip_white()) {}
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             try!(self.ml_skip_indent(indent));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:298:12
[INFO] [stdout]     |
[INFO] [stdout] 298 |         if try!(self.rdr.peek_or_null()) == b'\n' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:305:16
[INFO] [stdout]     |
[INFO] [stdout] 305 |             if try!(self.rdr.eof()) { return Err(self.rdr.error(ErrorCode::EOFWhileParsingString)); } // todo error("Bad multiline string");
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:306:22
[INFO] [stdout]     |
[INFO] [stdout] 306 |             let ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:325:30
[INFO] [stdout]     |
[INFO] [stdout] 325 |             if ch == b'\n' { try!(self.ml_skip_indent(indent)); }
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |             let ch = match try!(self.rdr.next_char()) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:344:36
[INFO] [stdout]     |
[INFO] [stdout] 344 |                     let ch = match try!(self.rdr.next_char()) {
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:359:43
[INFO] [stdout]     |
[INFO] [stdout] 359 | ...                   let c = match try!(self.decode_hex_escape()) {
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:360:40
[INFO] [stdout]     |
[INFO] [stdout] 360 | ...                   0xDC00 ... 0xDFFF => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:366:45
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   n1 @ 0xD800 ... 0xDBFF => {
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:367:44
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:367:72
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   match (try!(self.rdr.next_char()), try!(self.rdr.next_char())) {
[INFO] [stdout]     |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:374:46
[INFO] [stdout]     |
[INFO] [stdout] 374 | ...                   let n2 = try!(self.decode_hex_escape());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:422:15
[INFO] [stdout]     |
[INFO] [stdout] 422 |         match try!(self.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:450:9
[INFO] [stdout]     |
[INFO] [stdout] 450 |         try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:452:15
[INFO] [stdout]     |
[INFO] [stdout] 452 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 try!(self.parse_ident(b"ull"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:524:9
[INFO] [stdout]     |
[INFO] [stdout] 524 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:526:15
[INFO] [stdout]     |
[INFO] [stdout] 526 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:537:21
[INFO] [stdout]     |
[INFO] [stdout] 537 |         let value = try!(de::Deserialize::deserialize(self.de));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:541:12
[INFO] [stdout]     |
[INFO] [stdout] 541 |         if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:552:15
[INFO] [stdout]     |
[INFO] [stdout] 552 |         match try!(self.de.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:594:13
[INFO] [stdout]     |
[INFO] [stdout] 594 |             try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:591:19
[INFO] [stdout]     |
[INFO] [stdout] 591 |         } else if try!(self.de.rdr.peek()) == Some(b',') {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:597:15
[INFO] [stdout]     |
[INFO] [stdout] 597 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:606:15
[INFO] [stdout]     |
[INFO] [stdout] 606 |         match try!(self.de.rdr.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:609:25
[INFO] [stdout]     |
[INFO] [stdout] 609 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         try!(self.de.parse_object_colon());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:621:12
[INFO] [stdout]     |
[INFO] [stdout] 621 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:625:9
[INFO] [stdout]     |
[INFO] [stdout] 625 |         try!(self.de.rdr.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:627:15
[INFO] [stdout]     |
[INFO] [stdout] 627 |         match try!(self.de.rdr.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:696:12
[INFO] [stdout]     |
[INFO] [stdout] 696 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:708:9
[INFO] [stdout]     |
[INFO] [stdout] 708 |         try!(self.parse_object_colon());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:707:19
[INFO] [stdout]     |
[INFO] [stdout] 707 |         let val = try!(de::Deserialize::deserialize(self));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:808:25
[INFO] [stdout]     |
[INFO] [stdout] 808 |         .and_then(|x| { try!(de.end()); Ok(x) })
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/de.rs:813:73
[INFO] [stdout]     |
[INFO] [stdout] 813 |             match de::Deserialize::deserialize(&mut de2).and_then(|x| { try!(de2.end()); Ok(x) }) {
[INFO] [stdout]     |                                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ser.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:167:25
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         try!(value.serialize(self));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:240:13
[INFO] [stdout]     |
[INFO] [stdout] 240 |             try!(self.writer.write_all(b"[]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |             try!(self.formatter.open(&mut self.writer, b'['));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |         try!(self.serialize_seq_end(state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |             try!(self.formatter.start_value(&mut self.writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:350:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |             try!(self.writer.write_all(b"{}"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:353:13
[INFO] [stdout]     |
[INFO] [stdout] 353 |             try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.formatter.comma(&mut self.writer, *state == State::First));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         try!(key.serialize(&mut MapKeySerializer {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 407 |         try!(self.serialize_map_key(state, key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         try!(self.formatter.open(&mut self.writer, b'{'));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:425:9
[INFO] [stdout]     |
[INFO] [stdout] 425 |         try!(self.formatter.comma(&mut self.writer, true));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(escape_key(&mut self.writer, variant));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:427:9
[INFO] [stdout]     |
[INFO] [stdout] 427 |         try!(self.formatter.colon(&mut self.writer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |         try!(self.serialize_struct_end(state));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:787:13
[INFO] [stdout]     |
[INFO] [stdout] 787 |             try!(self.newline(writer, 0));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:789:13
[INFO] [stdout]     |
[INFO] [stdout] 789 |             try!(self.start_value(writer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |         try!(writer.write_all(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:813:9
[INFO] [stdout]     |
[INFO] [stdout] 813 |         try!(writer.write(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:814:9
[INFO] [stdout]     |
[INFO] [stdout] 814 |         try!(indent(writer, self.current_indent, self.indent));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:821:9
[INFO] [stdout]     |
[INFO] [stdout] 821 |         try!(writer.write_all(b"\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:830:13
[INFO] [stdout]     |
[INFO] [stdout] 830 |             try!(writer.write_all(b" "))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:840:5
[INFO] [stdout]     |
[INFO] [stdout] 840 |     try!(wr.write_all(b"\""));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:869:5
[INFO] [stdout]     |
[INFO] [stdout] 869 |     try!(wr.write_all(b"\""));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:860:9
[INFO] [stdout]     |
[INFO] [stdout] 860 |         try!(wr.write_all(escaped));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:857:13
[INFO] [stdout]     |
[INFO] [stdout] 857 |             try!(wr.write_all(&bytes[start..i]));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:866:9
[INFO] [stdout]     |
[INFO] [stdout] 866 |         try!(wr.write_all(&bytes[start..]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:911:13
[INFO] [stdout]     |
[INFO] [stdout] 911 |             try!(formatter.start_value(wr));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:935:9
[INFO] [stdout]     |
[INFO] [stdout] 935 |         try!(formatter.start_value(wr));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:936:9
[INFO] [stdout]     |
[INFO] [stdout] 936 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 |         try!(wr.write_all(a[0].as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:938:9
[INFO] [stdout]     |
[INFO] [stdout] 938 |         try!(wr.write_all(b"'''"))
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:940:9
[INFO] [stdout]     |
[INFO] [stdout] 940 |         try!(formatter.newline(wr, 1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:941:9
[INFO] [stdout]     |
[INFO] [stdout] 941 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:946:9
[INFO] [stdout]     |
[INFO] [stdout] 946 |         try!(formatter.newline(wr, 1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:947:9
[INFO] [stdout]     |
[INFO] [stdout] 947 |         try!(wr.write_all(b"'''"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:943:13
[INFO] [stdout]     |
[INFO] [stdout] 943 |             try!(formatter.newline(wr, if line.len() > 0 { 1 } else { -999 }));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:944:13
[INFO] [stdout]     |
[INFO] [stdout] 944 |             try!(wr.write_all(line.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:983:13
[INFO] [stdout]     |
[INFO] [stdout] 983 |             try!(wr.write_all(b"null"))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:986:13
[INFO] [stdout]     |
[INFO] [stdout] 986 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/ser.rs:997:13
[INFO] [stdout]     |
[INFO] [stdout] 997 |             try!(wr.write_all(b"null"))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1000:13
[INFO] [stdout]      |
[INFO] [stdout] 1000 |             try!(wr.write_all(fmt_small(value).as_bytes()))
[INFO] [stdout]      |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 |         try!(wr.write_all(s));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1034:5
[INFO] [stdout]      |
[INFO] [stdout] 1034 |     try!(value.serialize(&mut ser));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1045:5
[INFO] [stdout]      |
[INFO] [stdout] 1045 |     try!(to_writer(&mut writer, value));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1053:15
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     let vec = try!(to_vec(value));
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/ser.rs:1054:18
[INFO] [stdout]      |
[INFO] [stdout] 1054 |     let string = try!(String::from_utf8(vec));
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(try!(self.peek()).is_none())
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok(try!(self.peek()).unwrap_or(b'\x00'))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(try!(self.next_char()).unwrap_or(b'\x00'))
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |             match try!(self.peek()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |             match try!(self.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 b'#' => try!(self.eat_line()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:116:27
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     match try!(self.peek_next(1)) {
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:117:39
[INFO] [stdout]     |
[INFO] [stdout] 117 |                         Some(b'/') => try!(self.eat_line()),
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:121:37
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:121:82
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   while !(try!(self.peek()).unwrap_or(b'*') == b'*' && try!(self.peek_next(1)).unwrap_or(b'/') == b'/') {
[INFO] [stdout]     |                                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.rdr.parse_whitespace());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:179:30
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 let mut ch = try!(self.rdr.next_char_or_null());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |                     let ch2 = try!(self.rdr.peek_or_null());
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |         if try!(self.rdr.peek_or_null()) == b'-' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:226:12
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if try!(self.rdr.peek_or_null()) == b'0' {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:230:19
[INFO] [stdout]     |
[INFO] [stdout] 230 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:231:22
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 b'0' ... b'9' => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:240:22
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 b'0' ... b'9' => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:268:22
[INFO] [stdout]     |
[INFO] [stdout] 268 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:273:19
[INFO] [stdout]     |
[INFO] [stdout] 273 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:274:22
[INFO] [stdout]     |
[INFO] [stdout] 274 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:289:15
[INFO] [stdout]     |
[INFO] [stdout] 289 |         match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:296:15
[INFO] [stdout]     |
[INFO] [stdout] 296 |         match try!(self.rdr.next_char_or_null()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |             c @ b'0' ... b'9' => { self.result.push(c); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/util.rs:302:19
[INFO] [stdout]     |
[INFO] [stdout] 302 |             match try!(self.rdr.peek_or_null()) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/util.rs:303:22
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 b'0' ... b'9' => { self.result.push(self.rdr.eat_char()); }
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:432:30
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let values = try!(de::impls::VecVisitor::new()
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:441:30
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 let values = try!(MapVisitor::new().visit_map(visitor));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         try!(self.inner.write_str(s).map_err(io_error));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |         let s = try!(str::from_utf8(buf).map_err(io_error));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:638:25
[INFO] [stdout]     |
[INFO] [stdout] 638 |         let mut state = try!(self.serialize_seq(Some(value.len())));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:640:13
[INFO] [stdout]     |
[INFO] [stdout] 640 |             try!(self.serialize_seq_elt(&mut state, byte));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value.rs:869:9
[INFO] [stdout]     |
[INFO] [stdout] 869 |         try!(self.serialize_map_key(state, key));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1205:25
[INFO] [stdout]      |
[INFO] [stdout] 1205 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]      |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1242:25
[INFO] [stdout]      |
[INFO] [stdout] 1242 |                 Ok(Some(try!(de::Deserialize::deserialize(self.de))))
[INFO] [stdout]      |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1253:12
[INFO] [stdout]      |
[INFO] [stdout] 1253 |         Ok(try!(de::Deserialize::deserialize(self.de)))
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/value.rs:1325:12
[INFO] [stdout]      |
[INFO] [stdout] 1325 |         Ok(try!(de::Deserialize::deserialize(&mut de)))
[INFO] [stdout]      |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:142:51
[INFO] [stdout]     |
[INFO] [stdout] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:143:49
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Error::FromUtf8(ref error) => error.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 177 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "1e29b981adf3c628bb82bca28c4fcb5a26eeaa5767867f6a50d4163b7b946eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e29b981adf3c628bb82bca28c4fcb5a26eeaa5767867f6a50d4163b7b946eaf", kill_on_drop: false }`
[INFO] [stdout] 1e29b981adf3c628bb82bca28c4fcb5a26eeaa5767867f6a50d4163b7b946eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf0a0c798b220ff908eda5cbed6072ecc6d61ce8dd4560fdb17b00f304f7e14a
[INFO] running `Command { std: "docker" "start" "-a" "bf0a0c798b220ff908eda5cbed6072ecc6d61ce8dd4560fdb17b00f304f7e14a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: `...` 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: `...` 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: `...` 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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: `...` 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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: `...` 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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: `...` 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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: `...` 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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: `...` 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: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:142:51
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `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: `serde-hjson` (lib) generated 177 warnings
[INFO] [stderr] warning: `serde-hjson` (lib test) generated 177 warnings (177 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_hjson-92d9dbb8575eeaa8)
[INFO] [stdout] 
[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/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/mem/mod.rs:663:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x559daf2cb2a0 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x559daf2cb2a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x559daf2cb2a0 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x559daf2cb2a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he1640d5f0d93f618
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x559daf2eea0c - core::fmt::write::h88012e1f01caeebf
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x559daf2c8355 - std::io::Write::write_fmt::h7728c39ea5632753
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x559daf2cd40b - std::sys_common::backtrace::_print::ha1f00492f406a015
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x559daf2cd40b - std::sys_common::backtrace::print::hd54561b13feb6af3
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x559daf2cd40b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x559daf2ccf1c - std::panicking::default_hook::h5a8e74a76ce290a7
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x559daf2cdad4 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x559daf2cd587 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:517:13
[INFO] [stdout]   12:     0x559daf2cb79c - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x559daf2cd519 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x559daf23d4b1 - core::panicking::panic_fmt::h12a3a3c256485fca
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x559daf23d3fd - core::panicking::panic::h344f23ad26057b48
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:50:5
[INFO] [stdout]   16:     0x559daf2600b9 - core::mem::uninitialized::h80baed66ce95a0fb
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/mem/mod.rs:663:9
[INFO] [stdout]   17:     0x559daf2600b9 - linked_hash_map::LinkedHashMap<K,V,S>::insert::h4f128ecd243a55ca
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.3.0/src/lib.rs:203:52
[INFO] [stdout]   18:     0x559daf26afa9 - <linked_hash_map::serde::LinkedHashMapVisitor<K,V> as serde::de::Visitor>::visit_map::h9cf72cc52e5a8763
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.3.0/src/serde.rs:72:13
[INFO] [stdout]   19:     0x559daf2684fe - <<serde_hjson::value::Value as serde::de::Deserialize>::deserialize::ValueVisitor as serde::de::Visitor>::visit_map::h75ede2adeeffa360
[INFO] [stdout]                                at /opt/rustwide/workdir/src/value.rs:441:35
[INFO] [stdout]   20:     0x559daf240b01 - serde_hjson::de::Deserializer<Iter>::parse_value::h17004ff2feaba893
[INFO] [stdout]                                at /opt/rustwide/workdir/src/de.rs:151:17
[INFO] [stdout]   21:     0x559daf24c403 - <serde_hjson::de::Deserializer<Iter> as serde::de::Deserializer>::deserialize::h9a97746f7ab8d6bc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/de.rs:443:9
[INFO] [stdout]   22:     0x559daf267a56 - <serde_hjson::value::Value as serde::de::Deserialize>::deserialize::hdc9978e2a4f41a3c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/value.rs:446:9
[INFO] [stdout]   23:     0x559daf24f367 - serde_hjson::de::from_iter::h275c17634c0716b3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/de.rs:813:19
[INFO] [stdout]   24:     0x559daf24f97f - serde_hjson::de::from_slice::he1e1ff91b57ffe29
[INFO] [stdout]                                at /opt/rustwide/workdir/src/de.rs:846:5
[INFO] [stdout]   25:     0x559daf24fa04 - serde_hjson::de::from_str::hb930085a26fe161c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/de.rs:853:5
[INFO] [stdout]   26:     0x559daf268720 - serde_hjson::value::test::number_deserialize::h812002acb787116f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/value.rs:1421:24
[INFO] [stdout]   27:     0x559daf2686ea - serde_hjson::value::test::number_deserialize::{{closure}}::hcb3f7dbc8f0a1792
[INFO] [stdout]                                at /opt/rustwide/workdir/src/value.rs:1420:5
[INFO] [stdout]   28:     0x559daf2693ee - core::ops::function::FnOnce::call_once::he9668df17ca5580b
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   29:     0x559daf2a0be3 - core::ops::function::FnOnce::call_once::h5aba9a5d361d6c79
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   30:     0x559daf2a0be3 - test::__rust_begin_short_backtrace::h705bb53b2b1d45e6
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:578:5
[INFO] [stdout]   31:     0x559daf29f698 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha20f614d7c0b2b6d
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   32:     0x559daf29f698 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf02f19eeb64ceabd
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x559daf29f698 - std::panicking::try::do_call::h4bfab65eb3b4b036
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x559daf29f698 - std::panicking::try::h6613a46a6d2b6f88
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x559daf29f698 - std::panic::catch_unwind::h9f07b17b60991273
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x559daf29f698 - test::run_test_in_process::hc38797eecf07854f
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:601:18
[INFO] [stdout]   37:     0x559daf29f698 - test::run_test::run_test_inner::{{closure}}::hac209db8bce0fd77
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:493:39
[INFO] [stdout]   38:     0x559daf26de2d - test::run_test::run_test_inner::{{closure}}::h4aefdd4b4a423e20
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:520:37
[INFO] [stdout]   39:     0x559daf26de2d - std::sys_common::backtrace::__rust_begin_short_backtrace::h652c9e2663704700
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   40:     0x559daf272608 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd84fd5e0b5b1f45f
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   41:     0x559daf272608 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he23556962a2ae14b
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9
[INFO] [stdout]   42:     0x559daf272608 - std::panicking::try::do_call::h67d4f93e1fbaa5f9
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   43:     0x559daf272608 - std::panicking::try::h396886e678db815e
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   44:     0x559daf272608 - std::panic::catch_unwind::hc1d64dcecf0a00e0
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stdout]   45:     0x559daf272608 - std::thread::Builder::spawn_unchecked::{{closure}}::hc2644cf33cb61d8e
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   46:     0x559daf272608 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4473c2c77b66963f
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   47:     0x559daf2d2647 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6bff7798948b1075
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   48:     0x559daf2d2647 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc2d25ac38f6b2342
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   49:     0x559daf2d2647 - std::sys::unix::thread::Thread::new::thread_start::hbba5bc368baac205
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   50:     0x7f35a1329609 - start_thread
[INFO] [stdout]   51:     0x7f35a10fb293 - clone
[INFO] [stdout]   52:                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; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "bf0a0c798b220ff908eda5cbed6072ecc6d61ce8dd4560fdb17b00f304f7e14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0a0c798b220ff908eda5cbed6072ecc6d61ce8dd4560fdb17b00f304f7e14a", kill_on_drop: false }`
[INFO] [stdout] bf0a0c798b220ff908eda5cbed6072ecc6d61ce8dd4560fdb17b00f304f7e14a