[INFO] fetching crate rgo 0.1.0...
[INFO] checking rgo-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate rgo 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rgo 0.1.0 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 rgo 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rgo 0.1.0
[INFO] tweaked toml for crates.io crate rgo 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.1.30
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded convenience v0.1.0
[INFO] [stderr]   Downloaded clippy v0.0.63
[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] ec269afba3de5af75496344c10ce4b688a19911f0044a67c1531931e3a03f02d
[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" "ec269afba3de5af75496344c10ce4b688a19911f0044a67c1531931e3a03f02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec269afba3de5af75496344c10ce4b688a19911f0044a67c1531931e3a03f02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec269afba3de5af75496344c10ce4b688a19911f0044a67c1531931e3a03f02d", kill_on_drop: false }`
[INFO] [stdout] ec269afba3de5af75496344c10ce4b688a19911f0044a67c1531931e3a03f02d
[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] 4c4df22351a2568a3819c875cc93610dddb2f69d78a40ff4e13bc28098e346a2
[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" "4c4df22351a2568a3819c875cc93610dddb2f69d78a40ff4e13bc28098e346a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking convenience v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lexer/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         'outer: while let Some(c) = self.current_char {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(write!(f, "expected "));
[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/parser/error.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     try!(write!(f, "one of "));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let package_name = try!(self.parse_package_clause());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:101:63
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |                                                               ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.eat(TokenKind::Package));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let package_name = try!(self.parse_ident());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:127:32
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     decls.push(try!(self.parse_import_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.eat(TokenKind::Import));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   specs.push(try!(self.parse_import_spec()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:167:29
[INFO] [stdout]     |
[INFO] [stdout] 167 |             _ => specs.push(try!(self.parse_import_spec())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let path = try!(self.parse_string_lit());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let fd = try!(self.parse_func_decl());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.eat(TokenKind::Func));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:238:20
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let name = try!(self.parse_ident());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:239:25
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let signature = try!(self.parse_func_signature());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |             TokenKind::LBrace => try!(self.parse_block()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:273:26
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let parameters = try!(self.parse_func_params());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:277:34
[INFO] [stdout]     |
[INFO] [stdout] 277 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:310:28
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:314:32
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:342:29
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:353:19
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let typ = try!(self.parse_type());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:380:17
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:381:27
[INFO] [stdout]     |
[INFO] [stdout] 381 |                 let typ = try!(self.parse_type());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:387:29
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 let part1 = try!(self.parse_ident());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |                         try!(self.eat(TokenKind::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:400:37
[INFO] [stdout]     |
[INFO] [stdout] 400 |                         let part2 = try!(self.parse_ident());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |             statements.push(try!(self.parse_statement()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:452:35
[INFO] [stdout]     |
[INFO] [stdout] 452 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:453:19
[INFO] [stdout]     |
[INFO] [stdout] 453 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:455:23
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 456 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:457:23
[INFO] [stdout]     |
[INFO] [stdout] 457 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:459:20
[INFO] [stdout]     |
[INFO] [stdout] 459 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:460:34
[INFO] [stdout]     |
[INFO] [stdout] 460 |             LBrace => ast::Block(try!(self.parse_block())).into(),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:466:40
[INFO] [stdout]     |
[INFO] [stdout] 466 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         try!(self.eat(TokenKind::Go));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:475:32
[INFO] [stdout]     |
[INFO] [stdout] 475 |         Ok(ast::GoStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         try!(self.eat(TokenKind::Defer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:482:35
[INFO] [stdout]     |
[INFO] [stdout] 482 |         Ok(ast::DeferStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         try!(self.eat(TokenKind::Return));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:488:36
[INFO] [stdout]     |
[INFO] [stdout] 488 |         Ok(ast::ReturnStmt { expr: try!(self.parse_expr()) })
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:541:27
[INFO] [stdout]     |
[INFO] [stdout] 541 |                 operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:542:35
[INFO] [stdout]     |
[INFO] [stdout] 542 |                 operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:562:60
[INFO] [stdout]     |
[INFO] [stdout] 562 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:563:51
[INFO] [stdout]     |
[INFO] [stdout] 563 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:566:41
[INFO] [stdout]     |
[INFO] [stdout] 566 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:576:45
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:579:44
[INFO] [stdout]     |
[INFO] [stdout] 579 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:591:21
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:612:26
[INFO] [stdout]     |
[INFO] [stdout] 612 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:615:26
[INFO] [stdout]     |
[INFO] [stdout] 615 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:617:26
[INFO] [stdout]     |
[INFO] [stdout] 617 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:717:20
[INFO] [stdout]     |
[INFO] [stdout] 717 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:727:20
[INFO] [stdout]     |
[INFO] [stdout] 727 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:765:23
[INFO] [stdout]     |
[INFO] [stdout] 765 |             operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:766:31
[INFO] [stdout]     |
[INFO] [stdout] 766 |             operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:776:38
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let mut x = ast::Expr::Unary(try!(self.parse_unary_expr()));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:787:21
[INFO] [stdout]     |
[INFO] [stdout] 787 |             let y = try!(self.parse_potential_binary_expr(precedence + 1));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:831:20
[INFO] [stdout]     |
[INFO] [stdout] 831 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:849:45
[INFO] [stdout]     |
[INFO] [stdout] 849 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:882:50
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:908:48
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:973:32
[INFO] [stdout]     |
[INFO] [stdout] 973 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:977:38
[INFO] [stdout]     |
[INFO] [stdout] 977 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:984:32
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/lexer/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         'outer: while let Some(c) = self.current_char {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(write!(f, "expected "));
[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/parser/error.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                     try!(write!(f, "one of "));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/error.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let package_name = try!(self.parse_package_clause());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/mod.rs:101:63
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |                                                               ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.eat(TokenKind::Package));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let package_name = try!(self.parse_ident());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:127:32
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     decls.push(try!(self.parse_import_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.eat(TokenKind::Import));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   specs.push(try!(self.parse_import_spec()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:167:29
[INFO] [stdout]     |
[INFO] [stdout] 167 |             _ => specs.push(try!(self.parse_import_spec())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let path = try!(self.parse_string_lit());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:216:26
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let fd = try!(self.parse_func_decl());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(self.eat(TokenKind::Func));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:238:20
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let name = try!(self.parse_ident());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:239:25
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let signature = try!(self.parse_func_signature());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:243:34
[INFO] [stdout]     |
[INFO] [stdout] 243 |             TokenKind::LBrace => try!(self.parse_block()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:273:26
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let parameters = try!(self.parse_func_params());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:277:34
[INFO] [stdout]     |
[INFO] [stdout] 277 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:310:28
[INFO] [stdout]     |
[INFO] [stdout] 310 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:313:21
[INFO] [stdout]     |
[INFO] [stdout] 313 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:314:32
[INFO] [stdout]     |
[INFO] [stdout] 314 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |             idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:342:29
[INFO] [stdout]     |
[INFO] [stdout] 342 |                 idents.push(try!(self.parse_ident()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:353:19
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let typ = try!(self.parse_type());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:380:17
[INFO] [stdout]     |
[INFO] [stdout] 380 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:381:27
[INFO] [stdout]     |
[INFO] [stdout] 381 |                 let typ = try!(self.parse_type());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:382:17
[INFO] [stdout]     |
[INFO] [stdout] 382 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:387:29
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 let part1 = try!(self.parse_ident());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:399:25
[INFO] [stdout]     |
[INFO] [stdout] 399 |                         try!(self.eat(TokenKind::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:400:37
[INFO] [stdout]     |
[INFO] [stdout] 400 |                         let part2 = try!(self.parse_ident());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:426:9
[INFO] [stdout]     |
[INFO] [stdout] 426 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |             statements.push(try!(self.parse_statement()));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:431:13
[INFO] [stdout]     |
[INFO] [stdout] 431 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:452:35
[INFO] [stdout]     |
[INFO] [stdout] 452 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:453:19
[INFO] [stdout]     |
[INFO] [stdout] 453 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:455:23
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 456 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:457:23
[INFO] [stdout]     |
[INFO] [stdout] 457 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:458:23
[INFO] [stdout]     |
[INFO] [stdout] 458 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:459:20
[INFO] [stdout]     |
[INFO] [stdout] 459 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:460:34
[INFO] [stdout]     |
[INFO] [stdout] 460 |             LBrace => ast::Block(try!(self.parse_block())).into(),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:466:40
[INFO] [stdout]     |
[INFO] [stdout] 466 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:474:9
[INFO] [stdout]     |
[INFO] [stdout] 474 |         try!(self.eat(TokenKind::Go));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:475:32
[INFO] [stdout]     |
[INFO] [stdout] 475 |         Ok(ast::GoStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         try!(self.eat(TokenKind::Defer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:482:35
[INFO] [stdout]     |
[INFO] [stdout] 482 |         Ok(ast::DeferStmt { call: try!(self.parse_expr()) })
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         try!(self.eat(TokenKind::Return));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:488:36
[INFO] [stdout]     |
[INFO] [stdout] 488 |         Ok(ast::ReturnStmt { expr: try!(self.parse_expr()) })
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:541:27
[INFO] [stdout]     |
[INFO] [stdout] 541 |                 operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:542:35
[INFO] [stdout]     |
[INFO] [stdout] 542 |                 operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:562:60
[INFO] [stdout]     |
[INFO] [stdout] 562 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:563:51
[INFO] [stdout]     |
[INFO] [stdout] 563 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:566:41
[INFO] [stdout]     |
[INFO] [stdout] 566 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:576:45
[INFO] [stdout]     |
[INFO] [stdout] 576 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:579:44
[INFO] [stdout]     |
[INFO] [stdout] 579 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:591:21
[INFO] [stdout]     |
[INFO] [stdout] 591 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:612:26
[INFO] [stdout]     |
[INFO] [stdout] 612 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:615:26
[INFO] [stdout]     |
[INFO] [stdout] 615 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:617:26
[INFO] [stdout]     |
[INFO] [stdout] 617 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:717:20
[INFO] [stdout]     |
[INFO] [stdout] 717 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:722:20
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:727:20
[INFO] [stdout]     |
[INFO] [stdout] 727 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:765:23
[INFO] [stdout]     |
[INFO] [stdout] 765 |             operator: try!(self.parse_unary_operator()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:766:31
[INFO] [stdout]     |
[INFO] [stdout] 766 |             operand: Box::new(try!(self.parse_unary_expr())),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:776:38
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let mut x = ast::Expr::Unary(try!(self.parse_unary_expr()));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:787:21
[INFO] [stdout]     |
[INFO] [stdout] 787 |             let y = try!(self.parse_potential_binary_expr(precedence + 1));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:831:20
[INFO] [stdout]     |
[INFO] [stdout] 831 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:849:45
[INFO] [stdout]     |
[INFO] [stdout] 849 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:882:50
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:908:48
[INFO] [stdout]     |
[INFO] [stdout] 908 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:973:32
[INFO] [stdout]     |
[INFO] [stdout] 973 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:977:38
[INFO] [stdout]     |
[INFO] [stdout] 977 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:984:32
[INFO] [stdout]     |
[INFO] [stdout] 984 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/parser/mod.rs:575:39
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]    --> src/parser/mod.rs:575:39
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_kind`
[INFO] [stdout]   --> src/parser/mod.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn next_kind(&mut self) -> TokenKind {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_unary_operation`
[INFO] [stdout]    --> src/parser/mod.rs:761:8
[INFO] [stdout]     |
[INFO] [stdout] 761 |     fn parse_unary_operation(&mut self) -> PResult<ast::UnaryOperation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser/test.rs:174:16
[INFO] [stdout]     |
[INFO] [stdout] 174 |         panic!(format!("expected float basic lit, found {:?}", got));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 174 |         panic!("expected float basic lit, found {:?}", got);
[INFO] [stdout]     |               --                                         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser/test.rs:190:16
[INFO] [stdout]     |
[INFO] [stdout] 190 |         panic!(format!("expected imaginary basic lit, found {:?}", got));
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 190 |         panic!("expected imaginary basic lit, found {:?}", got);
[INFO] [stdout]     |               --                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 95 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_kind`
[INFO] [stdout]   --> src/parser/mod.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn next_kind(&mut self) -> TokenKind {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat_and_get`
[INFO] [stdout]    --> src/parser/mod.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_basic_lit`
[INFO] [stdout]    --> src/parser/mod.rs:555:8
[INFO] [stdout]     |
[INFO] [stdout] 555 |     fn parse_basic_lit(&mut self) -> PResult<ast::BasicLit> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_rune_lit`
[INFO] [stdout]    --> src/parser/mod.rs:587:8
[INFO] [stdout]     |
[INFO] [stdout] 587 |     fn parse_rune_lit(&mut self) -> PResult<char> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interpret_float_lit`
[INFO] [stdout]    --> src/parser/mod.rs:637:8
[INFO] [stdout]     |
[INFO] [stdout] 637 |     fn interpret_float_lit(&mut self, value: &str, token_name: &str) -> PResult<BigRational> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_int_lit`
[INFO] [stdout]    --> src/parser/mod.rs:706:8
[INFO] [stdout]     |
[INFO] [stdout] 706 |     fn parse_int_lit(&mut self) -> PResult<BigInt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interpret_int`
[INFO] [stdout]    --> src/parser/mod.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn interpret_int(&mut self, lit: &str, base: u32, token_name: &str) -> PResult<BigInt> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_unary_operation`
[INFO] [stdout]    --> src/parser/mod.rs:761:8
[INFO] [stdout]     |
[INFO] [stdout] 761 |     fn parse_unary_operation(&mut self) -> PResult<ast::UnaryOperation> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 99 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `Command { std: "docker" "inspect" "4c4df22351a2568a3819c875cc93610dddb2f69d78a40ff4e13bc28098e346a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4df22351a2568a3819c875cc93610dddb2f69d78a40ff4e13bc28098e346a2", kill_on_drop: false }`
[INFO] [stdout] 4c4df22351a2568a3819c875cc93610dddb2f69d78a40ff4e13bc28098e346a2