[INFO] fetching crate hipack 0.1.1...
[INFO] checking hipack-0.1.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate hipack 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hipack 0.1.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hipack 0.1.1
[INFO] finished tweaking crates.io crate hipack 0.1.1
[INFO] tweaked toml for crates.io crate hipack 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa13d46576efd05e9405a3dc344fdf7812c0c4bd52371a2d5b89c3e535bd861
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2fa13d46576efd05e9405a3dc344fdf7812c0c4bd52371a2d5b89c3e535bd861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa13d46576efd05e9405a3dc344fdf7812c0c4bd52371a2d5b89c3e535bd861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa13d46576efd05e9405a3dc344fdf7812c0c4bd52371a2d5b89c3e535bd861", kill_on_drop: false }`
[INFO] [stdout] 2fa13d46576efd05e9405a3dc344fdf7812c0c4bd52371a2d5b89c3e535bd861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6dd50f278fa826318a298cbb26276a5226ac9081de42dbb2f6d1f21b2fb17dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a6dd50f278fa826318a298cbb26276a5226ac9081de42dbb2f6d1f21b2fb17dc", kill_on_drop: false }`
[INFO] [stderr]     Checking hipack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |     match ch { b'0'...b'9'
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |              | b'a'...b'f'
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |              | b'A'...b'F'
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         b'0'...b'7' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/parser.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout] 172 | / macro_rules! try_no_eof {
[INFO] [stdout] 173 | |     ($obj:expr, $e:expr) => {
[INFO] [stdout] 174 | |         (match try!($e) {
[INFO] [stdout] 175 | |             None => return $obj.parse_error(ErrorCode::UnexpectedEOF),
[INFO] [stdout] ...   |
[INFO] [stdout] 178 | |     }
[INFO] [stdout] 179 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 312 |         match peek_no_eof!(self) {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |         if peek_no_eof!(self) == expected {
[INFO] [stdout]     |            ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         try!(self.match_char(b'"', ErrorCode::UnterminatedString));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         try!(self.match_char(b'[', ErrorCode::UnterminatedList));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 |         while peek_no_eof!(self) != b']' {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:369:23
[INFO] [stdout]     |
[INFO] [stdout] 369 |             list.push(try!(self.parse_value()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 372 |             let got_whitespace = is_whitespace_character(peek_no_eof!(self));
[INFO] [stdout]     |                                                          ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             try!(self.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |             if peek_no_eof!(self) == b',' {
[INFO] [stdout]     |                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 376 |             } else if !got_whitespace && !is_whitespace_character(peek_no_eof!(self)) {
[INFO] [stdout]     |                                                                   ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |             try!(self.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |         try!(self.match_char(b']', ErrorCode::UnterminatedList));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 388 |         while is_key_character(peek_no_eof!(self)) {
[INFO] [stdout]     |                                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 389 |             key.push(peek_no_eof!(self));
[INFO] [stdout]     |                      ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:405:15
[INFO] [stdout]     |
[INFO] [stdout] 405 |         while try!(self.peek()) != delim {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:406:23
[INFO] [stdout]     |
[INFO] [stdout] 406 |             let key = try!(self.parse_key());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 408 |             if is_whitespace_character(peek_no_eof!(self)) {
[INFO] [stdout]     |                                        ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:409:17
[INFO] [stdout]     |
[INFO] [stdout] 409 |                 try!(self.parse_whitespace());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 |             match peek_no_eof!(self) {
[INFO] [stdout]     |                   ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:416:21
[INFO] [stdout]     |
[INFO] [stdout] 416 |                     try!(self.parse_whitespace());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:428:31
[INFO] [stdout]     |
[INFO] [stdout] 428 |             items.insert(key, try!(self.parse_value()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:430:19
[INFO] [stdout]     |
[INFO] [stdout] 430 |             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/parser.rs:441:13
[INFO] [stdout]     |
[INFO] [stdout] 441 |             try!(self.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(self.match_char(b'{', ErrorCode::UnterminatedDict));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         try!(self.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:449:22
[INFO] [stdout]     |
[INFO] [stdout] 449 |         let result = try!(self.parse_keyval_items(Some(b'}')));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:450:9
[INFO] [stdout]     |
[INFO] [stdout] 450 |         try!(self.match_char(b'}', ErrorCode::UnterminatedDict));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 458 |             if peek_no_eof!(self) != *byte {
[INFO] [stdout]     |                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 |         match peek_no_eof!(self) {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 478 |         let negative = match peek_no_eof!(self) {
[INFO] [stdout]     |                              ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 |         match peek_no_eof!(self) {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:489:23
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 match try!(self.peek()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 494 |                         return parse_digits!(self, 16, is_xdigit_character, negative)
[INFO] [stdout]     |                                ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:207:45
[INFO] [stdout]     |
[INFO] [stdout] 207 |             result = result * $base + match try!($e.peek()) {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 494 |                         return parse_digits!(self, 16, is_xdigit_character, negative)
[INFO] [stdout]     |                                ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 497 |                         return parse_digits!(self, 8, is_octal_character, negative),
[INFO] [stdout]     |                                ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:207:45
[INFO] [stdout]     |
[INFO] [stdout] 207 |             result = result * $base + match try!($e.peek()) {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 497 |                         return parse_digits!(self, 8, is_octal_character, negative),
[INFO] [stdout]     |                                ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 503 |                 match_any!(self, InvalidNumberValue, b'a', b'A');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 504 |                 match_any!(self, InvalidNumberValue, b'n', b'N');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 509 |                 match_any!(self, InvalidNumberValue, b'n', b'N');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 510 |                 match_any!(self, InvalidNumberValue, b'f', b'F');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:511:23
[INFO] [stdout]     |
[INFO] [stdout] 511 |                 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/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 514 |                         match_any!(self, InvalidNumberValue, b'n', b'N');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 515 |                         match_any!(self, InvalidNumberValue, b'i', b'I');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 |                         match_any!(self, InvalidNumberValue, b't', b'T');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 517 |                         match_any!(self, InvalidNumberValue, b'y', b'Y');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:529:19
[INFO] [stdout]     |
[INFO] [stdout] 529 |             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/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 539 |                     match peek_no_eof!(self) {
[INFO] [stdout]     |                           ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:555:30
[INFO] [stdout]     |
[INFO] [stdout] 555 |                 Some(ch @b'0'...b'9') => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |         try!(self.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:588:15
[INFO] [stdout]     |
[INFO] [stdout] 588 |         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/parser.rs:592:17
[INFO] [stdout]     |
[INFO] [stdout] 592 |                 try!(self.parse_whitespace());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:593:30
[INFO] [stdout]     |
[INFO] [stdout] 593 |                 let result = try!(self.parse_keyval_items(Some(b'}')));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:594:17
[INFO] [stdout]     |
[INFO] [stdout] 594 |                 try!(self.match_char(b'}', ErrorCode::UnterminatedMessage));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         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/writer.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(writer.write_all(&[ch, b'\n']));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         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/writer.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(indent(writer, self.indent));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         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/writer.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(self.writer.write_all(s.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 try!(self.writer.write_all(b".0"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         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/writer.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             try!(match ch {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(self.format.start_compound(&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/writer.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     try!(self.write_value(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 | ...                   try!(self.format.item_separator(&mut self.writer, value)),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         try!(self.format.start_compound(&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/writer.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         try!(self.write_keyval_items(dict));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                     try!(self.writer.write_all(key.as_bytes()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |                     try!(self.format.key_separator(&mut self.writer, value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:255:21
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     try!(self.write_value(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:258:29
[INFO] [stdout]     |
[INFO] [stdout] 258 | ...                   try!(self.format.item_separator(&mut self.writer, value)),
[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/parser.rs:64:42
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::IoError(ref error) => error::Error::description(error),
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |     match ch { b'0'...b'9'
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |              | b'a'...b'f'
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |              | b'A'...b'F'
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         b'0'...b'7' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/parser.rs:172:1
[INFO] [stdout]     |
[INFO] [stdout] 172 | / macro_rules! try_no_eof {
[INFO] [stdout] 173 | |     ($obj:expr, $e:expr) => {
[INFO] [stdout] 174 | |         (match try!($e) {
[INFO] [stdout] 175 | |             None => return $obj.parse_error(ErrorCode::UnexpectedEOF),
[INFO] [stdout] ...   |
[INFO] [stdout] 178 | |     }
[INFO] [stdout] 179 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 312 |         match peek_no_eof!(self) {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |         if peek_no_eof!(self) == expected {
[INFO] [stdout]     |            ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         try!(self.match_char(b'"', ErrorCode::UnterminatedString));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         try!(self.match_char(b'[', ErrorCode::UnterminatedList));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         try!(self.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 367 |         while peek_no_eof!(self) != b']' {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:369:23
[INFO] [stdout]     |
[INFO] [stdout] 369 |             list.push(try!(self.parse_value()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 372 |             let got_whitespace = is_whitespace_character(peek_no_eof!(self));
[INFO] [stdout]     |                                                          ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             try!(self.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |             if peek_no_eof!(self) == b',' {
[INFO] [stdout]     |                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 376 |             } else if !got_whitespace && !is_whitespace_character(peek_no_eof!(self)) {
[INFO] [stdout]     |                                                                   ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |             try!(self.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |         try!(self.match_char(b']', ErrorCode::UnterminatedList));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 388 |         while is_key_character(peek_no_eof!(self)) {
[INFO] [stdout]     |                                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 389 |             key.push(peek_no_eof!(self));
[INFO] [stdout]     |                      ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:405:15
[INFO] [stdout]     |
[INFO] [stdout] 405 |         while try!(self.peek()) != delim {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:406:23
[INFO] [stdout]     |
[INFO] [stdout] 406 |             let key = try!(self.parse_key());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 408 |             if is_whitespace_character(peek_no_eof!(self)) {
[INFO] [stdout]     |                                        ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:409:17
[INFO] [stdout]     |
[INFO] [stdout] 409 |                 try!(self.parse_whitespace());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 413 |             match peek_no_eof!(self) {
[INFO] [stdout]     |                   ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:416:21
[INFO] [stdout]     |
[INFO] [stdout] 416 |                     try!(self.parse_whitespace());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:428:31
[INFO] [stdout]     |
[INFO] [stdout] 428 |             items.insert(key, try!(self.parse_value()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:430:19
[INFO] [stdout]     |
[INFO] [stdout] 430 |             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/parser.rs:441:13
[INFO] [stdout]     |
[INFO] [stdout] 441 |             try!(self.parse_whitespace());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:447:9
[INFO] [stdout]     |
[INFO] [stdout] 447 |         try!(self.match_char(b'{', ErrorCode::UnterminatedDict));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         try!(self.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:449:22
[INFO] [stdout]     |
[INFO] [stdout] 449 |         let result = try!(self.parse_keyval_items(Some(b'}')));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:450:9
[INFO] [stdout]     |
[INFO] [stdout] 450 |         try!(self.match_char(b'}', ErrorCode::UnterminatedDict));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 458 |             if peek_no_eof!(self) != *byte {
[INFO] [stdout]     |                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 |         match peek_no_eof!(self) {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 478 |         let negative = match peek_no_eof!(self) {
[INFO] [stdout]     |                              ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 |         match peek_no_eof!(self) {
[INFO] [stdout]     |               ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:489:23
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 match try!(self.peek()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 494 |                         return parse_digits!(self, 16, is_xdigit_character, negative)
[INFO] [stdout]     |                                ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:207:45
[INFO] [stdout]     |
[INFO] [stdout] 207 |             result = result * $base + match try!($e.peek()) {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 494 |                         return parse_digits!(self, 16, is_xdigit_character, negative)
[INFO] [stdout]     |                                ------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 497 |                         return parse_digits!(self, 8, is_octal_character, negative),
[INFO] [stdout]     |                                ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:207:45
[INFO] [stdout]     |
[INFO] [stdout] 207 |             result = result * $base + match try!($e.peek()) {
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 497 |                         return parse_digits!(self, 8, is_octal_character, negative),
[INFO] [stdout]     |                                ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 503 |                 match_any!(self, InvalidNumberValue, b'a', b'A');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 504 |                 match_any!(self, InvalidNumberValue, b'n', b'N');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 509 |                 match_any!(self, InvalidNumberValue, b'n', b'N');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 510 |                 match_any!(self, InvalidNumberValue, b'f', b'F');
[INFO] [stdout]     |                 ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:511:23
[INFO] [stdout]     |
[INFO] [stdout] 511 |                 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/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 514 |                         match_any!(self, InvalidNumberValue, b'n', b'N');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 515 |                         match_any!(self, InvalidNumberValue, b'i', b'I');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 |                         match_any!(self, InvalidNumberValue, b't', b'T');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 517 |                         match_any!(self, InvalidNumberValue, b'y', b'Y');
[INFO] [stdout]     |                         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:529:19
[INFO] [stdout]     |
[INFO] [stdout] 529 |             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/parser.rs:183:15
[INFO] [stdout]     |
[INFO] [stdout] 183 |         match try!($e.peek()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 539 |                     match peek_no_eof!(self) {
[INFO] [stdout]     |                           ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:555:30
[INFO] [stdout]     |
[INFO] [stdout] 555 |                 Some(ch @b'0'...b'9') => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |         try!(self.parse_whitespace());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:588:15
[INFO] [stdout]     |
[INFO] [stdout] 588 |         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/parser.rs:592:17
[INFO] [stdout]     |
[INFO] [stdout] 592 |                 try!(self.parse_whitespace());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:593:30
[INFO] [stdout]     |
[INFO] [stdout] 593 |                 let result = try!(self.parse_keyval_items(Some(b'}')));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:594:17
[INFO] [stdout]     |
[INFO] [stdout] 594 |                 try!(self.match_char(b'}', ErrorCode::UnterminatedMessage));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         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/writer.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(writer.write_all(&[ch, b'\n']));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         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/writer.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(indent(writer, self.indent));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         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/writer.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(self.writer.write_all(s.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:184:17
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 try!(self.writer.write_all(b".0"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |         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/writer.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             try!(match ch {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(self.format.start_compound(&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/writer.rs:224:21
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     try!(self.write_value(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 | ...                   try!(self.format.item_separator(&mut self.writer, value)),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         try!(self.format.start_compound(&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/writer.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         try!(self.write_keyval_items(dict));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:253:21
[INFO] [stdout]     |
[INFO] [stdout] 253 |                     try!(self.writer.write_all(key.as_bytes()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:254:21
[INFO] [stdout]     |
[INFO] [stdout] 254 |                     try!(self.format.key_separator(&mut self.writer, value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:255:21
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     try!(self.write_value(value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:258:29
[INFO] [stdout]     |
[INFO] [stdout] 258 | ...                   try!(self.format.item_separator(&mut self.writer, value)),
[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/parser.rs:64:42
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Error::IoError(ref error) => error::Error::description(error),
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 79 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "a6dd50f278fa826318a298cbb26276a5226ac9081de42dbb2f6d1f21b2fb17dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6dd50f278fa826318a298cbb26276a5226ac9081de42dbb2f6d1f21b2fb17dc", kill_on_drop: false }`
[INFO] [stdout] a6dd50f278fa826318a298cbb26276a5226ac9081de42dbb2f6d1f21b2fb17dc