[INFO] updating cached repository https://github.com/yberreby/rgo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06295d2886703873d97899bb25a17c4c456f5451
[INFO] testing yberreby/rgo against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyberreby%2Frgo" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yberreby/rgo on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yberreby/rgo
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/yberreby/rgo
[INFO] tweaked toml for git repo https://github.com/yberreby/rgo written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/yberreby/rgo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c36d9fa8733ce19d7fafa6e0bba108f642f1faa1201b887af2cfdec6bffcb55
[INFO] running `"docker" "start" "-a" "6c36d9fa8733ce19d7fafa6e0bba108f642f1faa1201b887af2cfdec6bffcb55"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling convenience v0.1.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(write!(f, "expected "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(write!(f, "one of "));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let package_name = try!(self.parse_package_clause());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(self.eat(TokenKind::Package));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:136:28
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let package_name = try!(self.parse_ident());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |                     decls.push(try_span!(self, self.parse_import_decl()));
[INFO] [stderr]     |                                ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(self.eat(TokenKind::Import));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 |                             specs.push(try_span!(self, self.parse_import_spec()));
[INFO] [stderr]     |                                        ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |             _ => specs.push(try_span!(self, self.parse_import_spec())),
[INFO] [stderr]     |                             ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         let path = try_span!(self, self.parse_string_lit());
[INFO] [stderr]     |                    ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:238:26
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let fd = try!(self.parse_func_decl());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(self.eat(TokenKind::Func));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |         let name = try_span!(self, self.parse_ident());
[INFO] [stderr]     |                    ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:261:25
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let signature = try!(self.parse_func_signature());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:265:39
[INFO] [stderr]     |
[INFO] [stderr] 265 |             TokenKind::LBrace => Some(try!(self.parse_block())),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:295:26
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let parameters = try!(self.parse_func_params());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:304:52
[INFO] [stderr]     |
[INFO] [stderr] 304 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:332:28
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:335:21
[INFO] [stderr]     |
[INFO] [stderr] 335 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:336:32
[INFO] [stderr]     |
[INFO] [stderr] 336 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:360:25
[INFO] [stderr]     |
[INFO] [stderr] 360 |             idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:364:29
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:375:19
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let typ = try!(self.parse_type());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:403:27
[INFO] [stderr]     |
[INFO] [stderr] 403 |                 let typ = try!(self.parse_type());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:409:26
[INFO] [stderr]     |
[INFO] [stderr] 409 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:417:21
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let part1 = try!(self.parse_ident());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |                 try!(self.eat(TokenKind::Dot));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:430:29
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let part2 = try!(self.parse_ident());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:457:29
[INFO] [stderr]     |
[INFO] [stderr] 457 |             statements.push(try!(self.parse_statement()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:479:35
[INFO] [stderr]     |
[INFO] [stderr] 479 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:480:19
[INFO] [stderr]     |
[INFO] [stderr] 480 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:481:22
[INFO] [stderr]     |
[INFO] [stderr] 481 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:482:23
[INFO] [stderr]     |
[INFO] [stderr] 482 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:483:19
[INFO] [stderr]     |
[INFO] [stderr] 483 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:484:23
[INFO] [stderr]     |
[INFO] [stderr] 484 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:485:23
[INFO] [stderr]     |
[INFO] [stderr] 485 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:486:20
[INFO] [stderr]     |
[INFO] [stderr] 486 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:487:22
[INFO] [stderr]     |
[INFO] [stderr] 487 |             Break => try!(self.parse_break_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |             Continue => try!(self.parse_continue_stmt()).into(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:489:21
[INFO] [stderr]     |
[INFO] [stderr] 489 |             Goto => try!(self.parse_goto_stmt()).into(),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:490:28
[INFO] [stderr]     |
[INFO] [stderr] 490 |             Fallthrough => try!(self.parse_fallthrough_stmt()).into(),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:491:23
[INFO] [stderr]     |
[INFO] [stderr] 491 |             LBrace => try!(self.parse_block()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:497:40
[INFO] [stderr]     |
[INFO] [stderr] 497 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:505:9
[INFO] [stderr]     |
[INFO] [stderr] 505 |         try!(self.eat(TokenKind::Go));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 506 |         Ok(ast::GoStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:512:9
[INFO] [stderr]     |
[INFO] [stderr] 512 |         try!(self.eat(TokenKind::Break));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 516 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |         try!(self.eat(TokenKind::Continue));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 529 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 |         try!(self.eat(TokenKind::Goto));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 539 |         Ok(ast::GotoStmt { label: try_span!(self, self.parse_ident()) })
[INFO] [stderr]     |                                   ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:545:9
[INFO] [stderr]     |
[INFO] [stderr] 545 |         try!(self.eat(TokenKind::Fallthrough));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         try!(self.eat(TokenKind::Defer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 553 |         Ok(ast::DeferStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                   ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         try!(self.eat(TokenKind::Return));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 559 |         Ok(ast::ReturnStmt { expr: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                    ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         try!(self.eat(TokenKind::If));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 568 |         let stmt = try_span!(self, self.parse_simple_stmt());
[INFO] [stderr]     |                    ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 578 |             condition = try_span!(self, self.parse_expr());
[INFO] [stderr]     |                         ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:593:21
[INFO] [stderr]     |
[INFO] [stderr] 593 |         let block = try!(self.parse_block());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:599:55
[INFO] [stderr]     |
[INFO] [stderr] 599 |                 TokenKind::LBrace => ast::Else::Block(try!(self.parse_block())),
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:600:48
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 TokenKind::If => ast::Else::If(try!(self.parse_if_stmt())),
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         try!(self.eat(TokenKind::For));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:642:21
[INFO] [stderr]     |
[INFO] [stderr] 642 |             header: try!(self.parse_for_header()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:643:19
[INFO] [stderr]     |
[INFO] [stderr] 643 |             body: try!(self.parse_block()),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:703:21
[INFO] [stderr]     |
[INFO] [stderr] 703 |         let exprs = try!(self.parse_expr_list());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:709:22
[INFO] [stderr]     |
[INFO] [stderr] 709 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:715:26
[INFO] [stderr]     |
[INFO] [stderr] 715 |             let idents = try!(self.expr_list_to_ident_list(&exprs));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:718:22
[INFO] [stderr]     |
[INFO] [stderr] 718 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 741 |                     expr: try_span!(self, self.parse_expr()),
[INFO] [stderr]     |                           ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 787 |         res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                  ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 791 |             res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                      ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 809 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 818 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 828 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:836:25
[INFO] [stderr]     |
[INFO] [stderr] 836 |                 let x = try!(self.parse_primary_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:848:24
[INFO] [stderr]     |
[INFO] [stderr] 848 |         let selector = try!(self.parse_ident());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:878:9
[INFO] [stderr]     |
[INFO] [stderr] 878 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:895:24
[INFO] [stderr]     |
[INFO] [stderr] 895 |             typ = Some(try!(self.parse_type()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:920:47
[INFO] [stderr]     |
[INFO] [stderr] 920 |         let mut x = ast::PrimaryExpr::Operand(try!(self.parse_operand()));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:930:64
[INFO] [stderr]     |
[INFO] [stderr] 930 | ...                   x = ast::PrimaryExpr::SelectorExpr(try!(self.parse_selector(x)));
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:933:65
[INFO] [stderr]     |
[INFO] [stderr] 933 | ...                   x = ast::PrimaryExpr::TypeAssertion(try!(self.parse_type_assertion(x)));
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:948:25
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     x = try!(self.parse_index_or_slice(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:954:25
[INFO] [stderr]     |
[INFO] [stderr] 954 |                     x = try!(self.parse_call_or_conversion(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:970:26
[INFO] [stderr]     |
[INFO] [stderr] 970 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:974:27
[INFO] [stderr]     |
[INFO] [stderr] 974 |                 let lit = try!(self.parse_basic_lit());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:983:28
[INFO] [stderr]     |
[INFO] [stderr] 983 |                 let expr = try!(self.parse_expr());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:985:17
[INFO] [stderr]     |
[INFO] [stderr] 985 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:989:26
[INFO] [stderr]     |
[INFO] [stderr] 989 |                 let fl = try!(self.parse_func_lit());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:993:35
[INFO] [stderr]     |
[INFO] [stderr] 993 |                 let method_expr = try!(self.parse_method_expr());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1007:24
[INFO] [stderr]      |
[INFO] [stderr] 1007 |             signature: try!(self.parse_func_signature()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1008:19
[INFO] [stderr]      |
[INFO] [stderr] 1008 |             body: try!(self.parse_block()),
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1027:60
[INFO] [stderr]      |
[INFO] [stderr] 1027 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stderr]      |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1028:51
[INFO] [stderr]      |
[INFO] [stderr] 1028 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stderr]      |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1033:41
[INFO] [stderr]      |
[INFO] [stderr] 1033 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stderr]      |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1043:45
[INFO] [stderr]      |
[INFO] [stderr] 1043 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stderr]      |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1046:44
[INFO] [stderr]      |
[INFO] [stderr] 1046 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stderr]      |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1058:21
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1079:26
[INFO] [stderr]      |
[INFO] [stderr] 1079 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1082:26
[INFO] [stderr]      |
[INFO] [stderr] 1082 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1084:26
[INFO] [stderr]      |
[INFO] [stderr] 1084 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1184:20
[INFO] [stderr]      |
[INFO] [stderr] 1184 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1189:20
[INFO] [stderr]      |
[INFO] [stderr] 1189 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1194:20
[INFO] [stderr]      |
[INFO] [stderr] 1194 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1234 |         let a = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]      |                 ---------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |             let y = try_span!(self, self.parse_potential_binary_expr(precedence + 1));
[INFO] [stderr]      |                     ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1300:20
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1442:32
[INFO] [stderr]      |
[INFO] [stderr] 1442 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1446:38
[INFO] [stderr]      |
[INFO] [stderr] 1446 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stderr]      |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1453:32
[INFO] [stderr]      |
[INFO] [stderr] 1453 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lexer/mod.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         'outer: while let Some(c) = self.current_char {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parser/mod.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr]     |                                                               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1318:45
[INFO] [stderr]      |
[INFO] [stderr] 1318 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1351:50
[INFO] [stderr]      |
[INFO] [stderr] 1351 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1377:48
[INFO] [stderr]      |
[INFO] [stderr] 1377 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]     --> src/parser/mod.rs:1042:39
[INFO] [stderr]      |
[INFO] [stderr] 1042 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1012:40
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     fn parse_index_or_slice(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1016:44
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     fn parse_call_or_conversion(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: 138 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.76s
[INFO] running `"docker" "inspect" "6c36d9fa8733ce19d7fafa6e0bba108f642f1faa1201b887af2cfdec6bffcb55"`
[INFO] running `"docker" "rm" "-f" "6c36d9fa8733ce19d7fafa6e0bba108f642f1faa1201b887af2cfdec6bffcb55"`
[INFO] [stdout] 6c36d9fa8733ce19d7fafa6e0bba108f642f1faa1201b887af2cfdec6bffcb55
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c20cbe3c2ced256598d6e2ec932333e32b507a4e56a06d000345c9cd8cf491d
[INFO] running `"docker" "start" "-a" "8c20cbe3c2ced256598d6e2ec932333e32b507a4e56a06d000345c9cd8cf491d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(write!(f, "expected "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(write!(f, "one of "));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let package_name = try!(self.parse_package_clause());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(self.eat(TokenKind::Package));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:136:28
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let package_name = try!(self.parse_ident());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |                     decls.push(try_span!(self, self.parse_import_decl()));
[INFO] [stderr]     |                                ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(self.eat(TokenKind::Import));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 |                             specs.push(try_span!(self, self.parse_import_spec()));
[INFO] [stderr]     |                                        ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |             _ => specs.push(try_span!(self, self.parse_import_spec())),
[INFO] [stderr]     |                             ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         let path = try_span!(self, self.parse_string_lit());
[INFO] [stderr]     |                    ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:238:26
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let fd = try!(self.parse_func_decl());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(self.eat(TokenKind::Func));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |         let name = try_span!(self, self.parse_ident());
[INFO] [stderr]     |                    ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:261:25
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let signature = try!(self.parse_func_signature());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:265:39
[INFO] [stderr]     |
[INFO] [stderr] 265 |             TokenKind::LBrace => Some(try!(self.parse_block())),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:295:26
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let parameters = try!(self.parse_func_params());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:304:52
[INFO] [stderr]     |
[INFO] [stderr] 304 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:332:28
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:335:21
[INFO] [stderr]     |
[INFO] [stderr] 335 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:336:32
[INFO] [stderr]     |
[INFO] [stderr] 336 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:360:25
[INFO] [stderr]     |
[INFO] [stderr] 360 |             idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:364:29
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:375:19
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let typ = try!(self.parse_type());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:403:27
[INFO] [stderr]     |
[INFO] [stderr] 403 |                 let typ = try!(self.parse_type());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:409:26
[INFO] [stderr]     |
[INFO] [stderr] 409 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:417:21
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let part1 = try!(self.parse_ident());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |                 try!(self.eat(TokenKind::Dot));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:430:29
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let part2 = try!(self.parse_ident());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:457:29
[INFO] [stderr]     |
[INFO] [stderr] 457 |             statements.push(try!(self.parse_statement()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:479:35
[INFO] [stderr]     |
[INFO] [stderr] 479 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:480:19
[INFO] [stderr]     |
[INFO] [stderr] 480 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:481:22
[INFO] [stderr]     |
[INFO] [stderr] 481 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:482:23
[INFO] [stderr]     |
[INFO] [stderr] 482 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:483:19
[INFO] [stderr]     |
[INFO] [stderr] 483 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:484:23
[INFO] [stderr]     |
[INFO] [stderr] 484 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:485:23
[INFO] [stderr]     |
[INFO] [stderr] 485 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:486:20
[INFO] [stderr]     |
[INFO] [stderr] 486 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:487:22
[INFO] [stderr]     |
[INFO] [stderr] 487 |             Break => try!(self.parse_break_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |             Continue => try!(self.parse_continue_stmt()).into(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:489:21
[INFO] [stderr]     |
[INFO] [stderr] 489 |             Goto => try!(self.parse_goto_stmt()).into(),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:490:28
[INFO] [stderr]     |
[INFO] [stderr] 490 |             Fallthrough => try!(self.parse_fallthrough_stmt()).into(),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:491:23
[INFO] [stderr]     |
[INFO] [stderr] 491 |             LBrace => try!(self.parse_block()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:497:40
[INFO] [stderr]     |
[INFO] [stderr] 497 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:505:9
[INFO] [stderr]     |
[INFO] [stderr] 505 |         try!(self.eat(TokenKind::Go));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 506 |         Ok(ast::GoStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:512:9
[INFO] [stderr]     |
[INFO] [stderr] 512 |         try!(self.eat(TokenKind::Break));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 516 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |         try!(self.eat(TokenKind::Continue));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 529 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 |         try!(self.eat(TokenKind::Goto));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 539 |         Ok(ast::GotoStmt { label: try_span!(self, self.parse_ident()) })
[INFO] [stderr]     |                                   ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:545:9
[INFO] [stderr]     |
[INFO] [stderr] 545 |         try!(self.eat(TokenKind::Fallthrough));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         try!(self.eat(TokenKind::Defer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 553 |         Ok(ast::DeferStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                   ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         try!(self.eat(TokenKind::Return));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 559 |         Ok(ast::ReturnStmt { expr: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                    ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         try!(self.eat(TokenKind::If));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 568 |         let stmt = try_span!(self, self.parse_simple_stmt());
[INFO] [stderr]     |                    ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 578 |             condition = try_span!(self, self.parse_expr());
[INFO] [stderr]     |                         ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:593:21
[INFO] [stderr]     |
[INFO] [stderr] 593 |         let block = try!(self.parse_block());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:599:55
[INFO] [stderr]     |
[INFO] [stderr] 599 |                 TokenKind::LBrace => ast::Else::Block(try!(self.parse_block())),
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:600:48
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 TokenKind::If => ast::Else::If(try!(self.parse_if_stmt())),
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         try!(self.eat(TokenKind::For));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:642:21
[INFO] [stderr]     |
[INFO] [stderr] 642 |             header: try!(self.parse_for_header()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:643:19
[INFO] [stderr]     |
[INFO] [stderr] 643 |             body: try!(self.parse_block()),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:703:21
[INFO] [stderr]     |
[INFO] [stderr] 703 |         let exprs = try!(self.parse_expr_list());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:709:22
[INFO] [stderr]     |
[INFO] [stderr] 709 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:715:26
[INFO] [stderr]     |
[INFO] [stderr] 715 |             let idents = try!(self.expr_list_to_ident_list(&exprs));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:718:22
[INFO] [stderr]     |
[INFO] [stderr] 718 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 741 |                     expr: try_span!(self, self.parse_expr()),
[INFO] [stderr]     |                           ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 787 |         res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                  ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 791 |             res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                      ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 809 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 818 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 828 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:836:25
[INFO] [stderr]     |
[INFO] [stderr] 836 |                 let x = try!(self.parse_primary_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:848:24
[INFO] [stderr]     |
[INFO] [stderr] 848 |         let selector = try!(self.parse_ident());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:878:9
[INFO] [stderr]     |
[INFO] [stderr] 878 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:895:24
[INFO] [stderr]     |
[INFO] [stderr] 895 |             typ = Some(try!(self.parse_type()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:920:47
[INFO] [stderr]     |
[INFO] [stderr] 920 |         let mut x = ast::PrimaryExpr::Operand(try!(self.parse_operand()));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:930:64
[INFO] [stderr]     |
[INFO] [stderr] 930 | ...                   x = ast::PrimaryExpr::SelectorExpr(try!(self.parse_selector(x)));
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:933:65
[INFO] [stderr]     |
[INFO] [stderr] 933 | ...                   x = ast::PrimaryExpr::TypeAssertion(try!(self.parse_type_assertion(x)));
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:948:25
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     x = try!(self.parse_index_or_slice(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:954:25
[INFO] [stderr]     |
[INFO] [stderr] 954 |                     x = try!(self.parse_call_or_conversion(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:970:26
[INFO] [stderr]     |
[INFO] [stderr] 970 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:974:27
[INFO] [stderr]     |
[INFO] [stderr] 974 |                 let lit = try!(self.parse_basic_lit());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:983:28
[INFO] [stderr]     |
[INFO] [stderr] 983 |                 let expr = try!(self.parse_expr());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:985:17
[INFO] [stderr]     |
[INFO] [stderr] 985 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:989:26
[INFO] [stderr]     |
[INFO] [stderr] 989 |                 let fl = try!(self.parse_func_lit());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:993:35
[INFO] [stderr]     |
[INFO] [stderr] 993 |                 let method_expr = try!(self.parse_method_expr());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1007:24
[INFO] [stderr]      |
[INFO] [stderr] 1007 |             signature: try!(self.parse_func_signature()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1008:19
[INFO] [stderr]      |
[INFO] [stderr] 1008 |             body: try!(self.parse_block()),
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1027:60
[INFO] [stderr]      |
[INFO] [stderr] 1027 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stderr]      |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1028:51
[INFO] [stderr]      |
[INFO] [stderr] 1028 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stderr]      |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1033:41
[INFO] [stderr]      |
[INFO] [stderr] 1033 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stderr]      |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1043:45
[INFO] [stderr]      |
[INFO] [stderr] 1043 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stderr]      |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1046:44
[INFO] [stderr]      |
[INFO] [stderr] 1046 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stderr]      |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1058:21
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1079:26
[INFO] [stderr]      |
[INFO] [stderr] 1079 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1082:26
[INFO] [stderr]      |
[INFO] [stderr] 1082 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1084:26
[INFO] [stderr]      |
[INFO] [stderr] 1084 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1184:20
[INFO] [stderr]      |
[INFO] [stderr] 1184 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1189:20
[INFO] [stderr]      |
[INFO] [stderr] 1189 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1194:20
[INFO] [stderr]      |
[INFO] [stderr] 1194 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1234 |         let a = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]      |                 ---------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |             let y = try_span!(self, self.parse_potential_binary_expr(precedence + 1));
[INFO] [stderr]      |                     ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1300:20
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1442:32
[INFO] [stderr]      |
[INFO] [stderr] 1442 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1446:38
[INFO] [stderr]      |
[INFO] [stderr] 1446 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stderr]      |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1453:32
[INFO] [stderr]      |
[INFO] [stderr] 1453 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lexer/mod.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         'outer: while let Some(c) = self.current_char {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parser/mod.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr]     |                                                               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1318:45
[INFO] [stderr]      |
[INFO] [stderr] 1318 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1351:50
[INFO] [stderr]      |
[INFO] [stderr] 1351 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1377:48
[INFO] [stderr]      |
[INFO] [stderr] 1377 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]     --> src/parser/mod.rs:1042:39
[INFO] [stderr]      |
[INFO] [stderr] 1042 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1012:40
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     fn parse_index_or_slice(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1016:44
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     fn parse_call_or_conversion(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: 138 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rgo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(write!(f, "expected "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(write!(f, "one of "));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let package_name = try!(self.parse_package_clause());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(self.eat(TokenKind::Package));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:136:28
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let package_name = try!(self.parse_ident());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |                     decls.push(try_span!(self, self.parse_import_decl()));
[INFO] [stderr]     |                                ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(self.eat(TokenKind::Import));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 |                             specs.push(try_span!(self, self.parse_import_spec()));
[INFO] [stderr]     |                                        ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |             _ => specs.push(try_span!(self, self.parse_import_spec())),
[INFO] [stderr]     |                             ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         let path = try_span!(self, self.parse_string_lit());
[INFO] [stderr]     |                    ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:238:26
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let fd = try!(self.parse_func_decl());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(self.eat(TokenKind::Func));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |         let name = try_span!(self, self.parse_ident());
[INFO] [stderr]     |                    ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:261:25
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let signature = try!(self.parse_func_signature());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:265:39
[INFO] [stderr]     |
[INFO] [stderr] 265 |             TokenKind::LBrace => Some(try!(self.parse_block())),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:295:26
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let parameters = try!(self.parse_func_params());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:304:52
[INFO] [stderr]     |
[INFO] [stderr] 304 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:332:28
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:335:21
[INFO] [stderr]     |
[INFO] [stderr] 335 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:336:32
[INFO] [stderr]     |
[INFO] [stderr] 336 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:360:25
[INFO] [stderr]     |
[INFO] [stderr] 360 |             idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:364:29
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:375:19
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let typ = try!(self.parse_type());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:403:27
[INFO] [stderr]     |
[INFO] [stderr] 403 |                 let typ = try!(self.parse_type());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:409:26
[INFO] [stderr]     |
[INFO] [stderr] 409 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:417:21
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let part1 = try!(self.parse_ident());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |                 try!(self.eat(TokenKind::Dot));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:430:29
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let part2 = try!(self.parse_ident());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:457:29
[INFO] [stderr]     |
[INFO] [stderr] 457 |             statements.push(try!(self.parse_statement()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:479:35
[INFO] [stderr]     |
[INFO] [stderr] 479 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:480:19
[INFO] [stderr]     |
[INFO] [stderr] 480 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:481:22
[INFO] [stderr]     |
[INFO] [stderr] 481 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:482:23
[INFO] [stderr]     |
[INFO] [stderr] 482 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:483:19
[INFO] [stderr]     |
[INFO] [stderr] 483 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:484:23
[INFO] [stderr]     |
[INFO] [stderr] 484 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:485:23
[INFO] [stderr]     |
[INFO] [stderr] 485 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:486:20
[INFO] [stderr]     |
[INFO] [stderr] 486 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:487:22
[INFO] [stderr]     |
[INFO] [stderr] 487 |             Break => try!(self.parse_break_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |             Continue => try!(self.parse_continue_stmt()).into(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:489:21
[INFO] [stderr]     |
[INFO] [stderr] 489 |             Goto => try!(self.parse_goto_stmt()).into(),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:490:28
[INFO] [stderr]     |
[INFO] [stderr] 490 |             Fallthrough => try!(self.parse_fallthrough_stmt()).into(),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:491:23
[INFO] [stderr]     |
[INFO] [stderr] 491 |             LBrace => try!(self.parse_block()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:497:40
[INFO] [stderr]     |
[INFO] [stderr] 497 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:505:9
[INFO] [stderr]     |
[INFO] [stderr] 505 |         try!(self.eat(TokenKind::Go));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 506 |         Ok(ast::GoStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:512:9
[INFO] [stderr]     |
[INFO] [stderr] 512 |         try!(self.eat(TokenKind::Break));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 516 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |         try!(self.eat(TokenKind::Continue));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 529 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 |         try!(self.eat(TokenKind::Goto));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 539 |         Ok(ast::GotoStmt { label: try_span!(self, self.parse_ident()) })
[INFO] [stderr]     |                                   ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:545:9
[INFO] [stderr]     |
[INFO] [stderr] 545 |         try!(self.eat(TokenKind::Fallthrough));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         try!(self.eat(TokenKind::Defer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 553 |         Ok(ast::DeferStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                   ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         try!(self.eat(TokenKind::Return));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 559 |         Ok(ast::ReturnStmt { expr: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                    ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         try!(self.eat(TokenKind::If));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 568 |         let stmt = try_span!(self, self.parse_simple_stmt());
[INFO] [stderr]     |                    ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 578 |             condition = try_span!(self, self.parse_expr());
[INFO] [stderr]     |                         ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:593:21
[INFO] [stderr]     |
[INFO] [stderr] 593 |         let block = try!(self.parse_block());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:599:55
[INFO] [stderr]     |
[INFO] [stderr] 599 |                 TokenKind::LBrace => ast::Else::Block(try!(self.parse_block())),
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:600:48
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 TokenKind::If => ast::Else::If(try!(self.parse_if_stmt())),
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         try!(self.eat(TokenKind::For));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:642:21
[INFO] [stderr]     |
[INFO] [stderr] 642 |             header: try!(self.parse_for_header()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:643:19
[INFO] [stderr]     |
[INFO] [stderr] 643 |             body: try!(self.parse_block()),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:703:21
[INFO] [stderr]     |
[INFO] [stderr] 703 |         let exprs = try!(self.parse_expr_list());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:709:22
[INFO] [stderr]     |
[INFO] [stderr] 709 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:715:26
[INFO] [stderr]     |
[INFO] [stderr] 715 |             let idents = try!(self.expr_list_to_ident_list(&exprs));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:718:22
[INFO] [stderr]     |
[INFO] [stderr] 718 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 741 |                     expr: try_span!(self, self.parse_expr()),
[INFO] [stderr]     |                           ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 787 |         res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                  ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 791 |             res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                      ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 809 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 818 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 828 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:836:25
[INFO] [stderr]     |
[INFO] [stderr] 836 |                 let x = try!(self.parse_primary_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:848:24
[INFO] [stderr]     |
[INFO] [stderr] 848 |         let selector = try!(self.parse_ident());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:878:9
[INFO] [stderr]     |
[INFO] [stderr] 878 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:895:24
[INFO] [stderr]     |
[INFO] [stderr] 895 |             typ = Some(try!(self.parse_type()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:920:47
[INFO] [stderr]     |
[INFO] [stderr] 920 |         let mut x = ast::PrimaryExpr::Operand(try!(self.parse_operand()));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:930:64
[INFO] [stderr]     |
[INFO] [stderr] 930 | ...                   x = ast::PrimaryExpr::SelectorExpr(try!(self.parse_selector(x)));
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:933:65
[INFO] [stderr]     |
[INFO] [stderr] 933 | ...                   x = ast::PrimaryExpr::TypeAssertion(try!(self.parse_type_assertion(x)));
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:948:25
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     x = try!(self.parse_index_or_slice(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:954:25
[INFO] [stderr]     |
[INFO] [stderr] 954 |                     x = try!(self.parse_call_or_conversion(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:970:26
[INFO] [stderr]     |
[INFO] [stderr] 970 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:974:27
[INFO] [stderr]     |
[INFO] [stderr] 974 |                 let lit = try!(self.parse_basic_lit());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:983:28
[INFO] [stderr]     |
[INFO] [stderr] 983 |                 let expr = try!(self.parse_expr());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:985:17
[INFO] [stderr]     |
[INFO] [stderr] 985 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:989:26
[INFO] [stderr]     |
[INFO] [stderr] 989 |                 let fl = try!(self.parse_func_lit());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:993:35
[INFO] [stderr]     |
[INFO] [stderr] 993 |                 let method_expr = try!(self.parse_method_expr());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1007:24
[INFO] [stderr]      |
[INFO] [stderr] 1007 |             signature: try!(self.parse_func_signature()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1008:19
[INFO] [stderr]      |
[INFO] [stderr] 1008 |             body: try!(self.parse_block()),
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1027:60
[INFO] [stderr]      |
[INFO] [stderr] 1027 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stderr]      |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1028:51
[INFO] [stderr]      |
[INFO] [stderr] 1028 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stderr]      |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1033:41
[INFO] [stderr]      |
[INFO] [stderr] 1033 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stderr]      |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1043:45
[INFO] [stderr]      |
[INFO] [stderr] 1043 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stderr]      |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1046:44
[INFO] [stderr]      |
[INFO] [stderr] 1046 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stderr]      |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1058:21
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1079:26
[INFO] [stderr]      |
[INFO] [stderr] 1079 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1082:26
[INFO] [stderr]      |
[INFO] [stderr] 1082 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1084:26
[INFO] [stderr]      |
[INFO] [stderr] 1084 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1184:20
[INFO] [stderr]      |
[INFO] [stderr] 1184 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1189:20
[INFO] [stderr]      |
[INFO] [stderr] 1189 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1194:20
[INFO] [stderr]      |
[INFO] [stderr] 1194 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1234 |         let a = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]      |                 ---------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |             let y = try_span!(self, self.parse_potential_binary_expr(precedence + 1));
[INFO] [stderr]      |                     ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1300:20
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1442:32
[INFO] [stderr]      |
[INFO] [stderr] 1442 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1446:38
[INFO] [stderr]      |
[INFO] [stderr] 1446 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stderr]      |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1453:32
[INFO] [stderr]      |
[INFO] [stderr] 1453 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lexer/mod.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         'outer: while let Some(c) = self.current_char {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parser/mod.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr]     |                                                               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1318:45
[INFO] [stderr]      |
[INFO] [stderr] 1318 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1351:50
[INFO] [stderr]      |
[INFO] [stderr] 1351 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1377:48
[INFO] [stderr]      |
[INFO] [stderr] 1377 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]     --> src/parser/mod.rs:1042:39
[INFO] [stderr]      |
[INFO] [stderr] 1042 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1012:40
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     fn parse_index_or_slice(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1016:44
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     fn parse_call_or_conversion(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: 138 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `"docker" "inspect" "8c20cbe3c2ced256598d6e2ec932333e32b507a4e56a06d000345c9cd8cf491d"`
[INFO] running `"docker" "rm" "-f" "8c20cbe3c2ced256598d6e2ec932333e32b507a4e56a06d000345c9cd8cf491d"`
[INFO] [stdout] 8c20cbe3c2ced256598d6e2ec932333e32b507a4e56a06d000345c9cd8cf491d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 36591db49117a7f01e7648ea474d6e43ecb893247812b8b15d6d77b383020c49
[INFO] running `"docker" "start" "-a" "36591db49117a7f01e7648ea474d6e43ecb893247812b8b15d6d77b383020c49"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(write!(f, "expected "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(write!(f, "one of "));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let package_name = try!(self.parse_package_clause());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(self.eat(TokenKind::Package));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:136:28
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let package_name = try!(self.parse_ident());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |                     decls.push(try_span!(self, self.parse_import_decl()));
[INFO] [stderr]     |                                ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(self.eat(TokenKind::Import));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 |                             specs.push(try_span!(self, self.parse_import_spec()));
[INFO] [stderr]     |                                        ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |             _ => specs.push(try_span!(self, self.parse_import_spec())),
[INFO] [stderr]     |                             ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         let path = try_span!(self, self.parse_string_lit());
[INFO] [stderr]     |                    ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:238:26
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let fd = try!(self.parse_func_decl());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(self.eat(TokenKind::Func));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |         let name = try_span!(self, self.parse_ident());
[INFO] [stderr]     |                    ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:261:25
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let signature = try!(self.parse_func_signature());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:265:39
[INFO] [stderr]     |
[INFO] [stderr] 265 |             TokenKind::LBrace => Some(try!(self.parse_block())),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:295:26
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let parameters = try!(self.parse_func_params());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:304:52
[INFO] [stderr]     |
[INFO] [stderr] 304 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:332:28
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:335:21
[INFO] [stderr]     |
[INFO] [stderr] 335 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:336:32
[INFO] [stderr]     |
[INFO] [stderr] 336 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:360:25
[INFO] [stderr]     |
[INFO] [stderr] 360 |             idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:364:29
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:375:19
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let typ = try!(self.parse_type());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:403:27
[INFO] [stderr]     |
[INFO] [stderr] 403 |                 let typ = try!(self.parse_type());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:409:26
[INFO] [stderr]     |
[INFO] [stderr] 409 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:417:21
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let part1 = try!(self.parse_ident());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |                 try!(self.eat(TokenKind::Dot));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:430:29
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let part2 = try!(self.parse_ident());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:457:29
[INFO] [stderr]     |
[INFO] [stderr] 457 |             statements.push(try!(self.parse_statement()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:479:35
[INFO] [stderr]     |
[INFO] [stderr] 479 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:480:19
[INFO] [stderr]     |
[INFO] [stderr] 480 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:481:22
[INFO] [stderr]     |
[INFO] [stderr] 481 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:482:23
[INFO] [stderr]     |
[INFO] [stderr] 482 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:483:19
[INFO] [stderr]     |
[INFO] [stderr] 483 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:484:23
[INFO] [stderr]     |
[INFO] [stderr] 484 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:485:23
[INFO] [stderr]     |
[INFO] [stderr] 485 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:486:20
[INFO] [stderr]     |
[INFO] [stderr] 486 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:487:22
[INFO] [stderr]     |
[INFO] [stderr] 487 |             Break => try!(self.parse_break_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |             Continue => try!(self.parse_continue_stmt()).into(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:489:21
[INFO] [stderr]     |
[INFO] [stderr] 489 |             Goto => try!(self.parse_goto_stmt()).into(),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:490:28
[INFO] [stderr]     |
[INFO] [stderr] 490 |             Fallthrough => try!(self.parse_fallthrough_stmt()).into(),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:491:23
[INFO] [stderr]     |
[INFO] [stderr] 491 |             LBrace => try!(self.parse_block()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:497:40
[INFO] [stderr]     |
[INFO] [stderr] 497 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:505:9
[INFO] [stderr]     |
[INFO] [stderr] 505 |         try!(self.eat(TokenKind::Go));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 506 |         Ok(ast::GoStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:512:9
[INFO] [stderr]     |
[INFO] [stderr] 512 |         try!(self.eat(TokenKind::Break));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 516 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |         try!(self.eat(TokenKind::Continue));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 529 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 |         try!(self.eat(TokenKind::Goto));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 539 |         Ok(ast::GotoStmt { label: try_span!(self, self.parse_ident()) })
[INFO] [stderr]     |                                   ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:545:9
[INFO] [stderr]     |
[INFO] [stderr] 545 |         try!(self.eat(TokenKind::Fallthrough));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         try!(self.eat(TokenKind::Defer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 553 |         Ok(ast::DeferStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                   ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         try!(self.eat(TokenKind::Return));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 559 |         Ok(ast::ReturnStmt { expr: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                    ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         try!(self.eat(TokenKind::If));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 568 |         let stmt = try_span!(self, self.parse_simple_stmt());
[INFO] [stderr]     |                    ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 578 |             condition = try_span!(self, self.parse_expr());
[INFO] [stderr]     |                         ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:593:21
[INFO] [stderr]     |
[INFO] [stderr] 593 |         let block = try!(self.parse_block());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:599:55
[INFO] [stderr]     |
[INFO] [stderr] 599 |                 TokenKind::LBrace => ast::Else::Block(try!(self.parse_block())),
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:600:48
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 TokenKind::If => ast::Else::If(try!(self.parse_if_stmt())),
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         try!(self.eat(TokenKind::For));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:642:21
[INFO] [stderr]     |
[INFO] [stderr] 642 |             header: try!(self.parse_for_header()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:643:19
[INFO] [stderr]     |
[INFO] [stderr] 643 |             body: try!(self.parse_block()),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:703:21
[INFO] [stderr]     |
[INFO] [stderr] 703 |         let exprs = try!(self.parse_expr_list());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:709:22
[INFO] [stderr]     |
[INFO] [stderr] 709 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:715:26
[INFO] [stderr]     |
[INFO] [stderr] 715 |             let idents = try!(self.expr_list_to_ident_list(&exprs));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:718:22
[INFO] [stderr]     |
[INFO] [stderr] 718 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 741 |                     expr: try_span!(self, self.parse_expr()),
[INFO] [stderr]     |                           ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 787 |         res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                  ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 791 |             res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                      ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 809 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 818 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 828 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:836:25
[INFO] [stderr]     |
[INFO] [stderr] 836 |                 let x = try!(self.parse_primary_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:848:24
[INFO] [stderr]     |
[INFO] [stderr] 848 |         let selector = try!(self.parse_ident());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:878:9
[INFO] [stderr]     |
[INFO] [stderr] 878 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:895:24
[INFO] [stderr]     |
[INFO] [stderr] 895 |             typ = Some(try!(self.parse_type()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:920:47
[INFO] [stderr]     |
[INFO] [stderr] 920 |         let mut x = ast::PrimaryExpr::Operand(try!(self.parse_operand()));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:930:64
[INFO] [stderr]     |
[INFO] [stderr] 930 | ...                   x = ast::PrimaryExpr::SelectorExpr(try!(self.parse_selector(x)));
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:933:65
[INFO] [stderr]     |
[INFO] [stderr] 933 | ...                   x = ast::PrimaryExpr::TypeAssertion(try!(self.parse_type_assertion(x)));
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:948:25
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     x = try!(self.parse_index_or_slice(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:954:25
[INFO] [stderr]     |
[INFO] [stderr] 954 |                     x = try!(self.parse_call_or_conversion(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:970:26
[INFO] [stderr]     |
[INFO] [stderr] 970 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:974:27
[INFO] [stderr]     |
[INFO] [stderr] 974 |                 let lit = try!(self.parse_basic_lit());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:983:28
[INFO] [stderr]     |
[INFO] [stderr] 983 |                 let expr = try!(self.parse_expr());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:985:17
[INFO] [stderr]     |
[INFO] [stderr] 985 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:989:26
[INFO] [stderr]     |
[INFO] [stderr] 989 |                 let fl = try!(self.parse_func_lit());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:993:35
[INFO] [stderr]     |
[INFO] [stderr] 993 |                 let method_expr = try!(self.parse_method_expr());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1007:24
[INFO] [stderr]      |
[INFO] [stderr] 1007 |             signature: try!(self.parse_func_signature()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1008:19
[INFO] [stderr]      |
[INFO] [stderr] 1008 |             body: try!(self.parse_block()),
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1027:60
[INFO] [stderr]      |
[INFO] [stderr] 1027 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stderr]      |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1028:51
[INFO] [stderr]      |
[INFO] [stderr] 1028 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stderr]      |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1033:41
[INFO] [stderr]      |
[INFO] [stderr] 1033 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stderr]      |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1043:45
[INFO] [stderr]      |
[INFO] [stderr] 1043 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stderr]      |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1046:44
[INFO] [stderr]      |
[INFO] [stderr] 1046 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stderr]      |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1058:21
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1079:26
[INFO] [stderr]      |
[INFO] [stderr] 1079 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1082:26
[INFO] [stderr]      |
[INFO] [stderr] 1082 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1084:26
[INFO] [stderr]      |
[INFO] [stderr] 1084 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1184:20
[INFO] [stderr]      |
[INFO] [stderr] 1184 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1189:20
[INFO] [stderr]      |
[INFO] [stderr] 1189 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1194:20
[INFO] [stderr]      |
[INFO] [stderr] 1194 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1234 |         let a = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]      |                 ---------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |             let y = try_span!(self, self.parse_potential_binary_expr(precedence + 1));
[INFO] [stderr]      |                     ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1300:20
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1442:32
[INFO] [stderr]      |
[INFO] [stderr] 1442 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1446:38
[INFO] [stderr]      |
[INFO] [stderr] 1446 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stderr]      |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1453:32
[INFO] [stderr]      |
[INFO] [stderr] 1453 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lexer/mod.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         'outer: while let Some(c) = self.current_char {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parser/mod.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr]     |                                                               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1318:45
[INFO] [stderr]      |
[INFO] [stderr] 1318 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1351:50
[INFO] [stderr]      |
[INFO] [stderr] 1351 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1377:48
[INFO] [stderr]      |
[INFO] [stderr] 1377 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]     --> src/parser/mod.rs:1042:39
[INFO] [stderr]      |
[INFO] [stderr] 1042 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1012:40
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     fn parse_index_or_slice(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1016:44
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     fn parse_call_or_conversion(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: 138 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(write!(f, "expected "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     try!(write!(f, "one of "));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         try!(write!(f, "\"{}\"{}", tk, sep));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/error.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     try!(write!(f, "\"{}\" ", expected[0]));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let package_name = try!(self.parse_package_clause());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:61:28
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let import_decls = try!(self.parse_import_decls());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let top_level_decls = try!(self.parse_top_level_decls());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(self.eat(TokenKind::Package));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:136:28
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let package_name = try!(self.parse_ident());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |                     decls.push(try_span!(self, self.parse_import_decl()));
[INFO] [stderr]     |                                ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(self.eat(TokenKind::Import));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 |                             specs.push(try_span!(self, self.parse_import_spec()));
[INFO] [stderr]     |                                        ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |             _ => specs.push(try_span!(self, self.parse_import_spec())),
[INFO] [stderr]     |                             ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         let path = try_span!(self, self.parse_string_lit());
[INFO] [stderr]     |                    ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:238:26
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 let fd = try!(self.parse_func_decl());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         try!(self.eat(TokenKind::Func));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 260 |         let name = try_span!(self, self.parse_ident());
[INFO] [stderr]     |                    ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:261:25
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let signature = try!(self.parse_func_signature());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:265:39
[INFO] [stderr]     |
[INFO] [stderr] 265 |             TokenKind::LBrace => Some(try!(self.parse_block())),
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:295:26
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let parameters = try!(self.parse_func_params());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |             TokenKind::LParen => try!(self.parse_func_params()),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:304:52
[INFO] [stderr]     |
[INFO] [stderr] 304 |             _ => ast::Parameters::from_single_type(try!(self.parse_type())),
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:332:28
[INFO] [stderr]     |
[INFO] [stderr] 332 |                 decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:335:21
[INFO] [stderr]     |
[INFO] [stderr] 335 |                     try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:336:32
[INFO] [stderr]     |
[INFO] [stderr] 336 |                     decls.push(try!(self.parse_parameter_decl()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:360:25
[INFO] [stderr]     |
[INFO] [stderr] 360 |             idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 try!(self.eat(TokenKind::Comma));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:364:29
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 idents.push(try!(self.parse_ident()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             try!(self.eat(TokenKind::Ellipsis));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:375:19
[INFO] [stderr]     |
[INFO] [stderr] 375 |         let typ = try!(self.parse_type());
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:402:17
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:403:27
[INFO] [stderr]     |
[INFO] [stderr] 403 |                 let typ = try!(self.parse_type());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:409:26
[INFO] [stderr]     |
[INFO] [stderr] 409 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:417:21
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let part1 = try!(self.parse_ident());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |                 try!(self.eat(TokenKind::Dot));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:430:29
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 let part2 = try!(self.parse_ident());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |         try!(self.eat(TokenKind::LBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:457:29
[INFO] [stderr]     |
[INFO] [stderr] 457 |             statements.push(try!(self.parse_statement()));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:458:13
[INFO] [stderr]     |
[INFO] [stderr] 458 |             try!(self.eat(TokenKind::Semicolon));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         try!(self.eat(TokenKind::RBrace));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:479:35
[INFO] [stderr]     |
[INFO] [stderr] 479 |             Type | Var | Const => try!(self.parse_decl_stmt()).into(),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:480:19
[INFO] [stderr]     |
[INFO] [stderr] 480 |             Go => try!(self.parse_go_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:481:22
[INFO] [stderr]     |
[INFO] [stderr] 481 |             Defer => try!(self.parse_defer_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:482:23
[INFO] [stderr]     |
[INFO] [stderr] 482 |             Return => try!(self.parse_return_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:483:19
[INFO] [stderr]     |
[INFO] [stderr] 483 |             If => try!(self.parse_if_stmt()).into(),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:484:23
[INFO] [stderr]     |
[INFO] [stderr] 484 |             Switch => try!(self.parse_switch_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:485:23
[INFO] [stderr]     |
[INFO] [stderr] 485 |             Select => try!(self.parse_select_stmt()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:486:20
[INFO] [stderr]     |
[INFO] [stderr] 486 |             For => try!(self.parse_for_stmt()).into(),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:487:22
[INFO] [stderr]     |
[INFO] [stderr] 487 |             Break => try!(self.parse_break_stmt()).into(),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |             Continue => try!(self.parse_continue_stmt()).into(),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:489:21
[INFO] [stderr]     |
[INFO] [stderr] 489 |             Goto => try!(self.parse_goto_stmt()).into(),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:490:28
[INFO] [stderr]     |
[INFO] [stderr] 490 |             Fallthrough => try!(self.parse_fallthrough_stmt()).into(),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:491:23
[INFO] [stderr]     |
[INFO] [stderr] 491 |             LBrace => try!(self.parse_block()).into(),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:497:40
[INFO] [stderr]     |
[INFO] [stderr] 497 |             t if t.can_start_expr() => try!(self.parse_simple_stmt()).into(),
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:505:9
[INFO] [stderr]     |
[INFO] [stderr] 505 |         try!(self.eat(TokenKind::Go));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 506 |         Ok(ast::GoStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:512:9
[INFO] [stderr]     |
[INFO] [stderr] 512 |         try!(self.eat(TokenKind::Break));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 516 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:525:9
[INFO] [stderr]     |
[INFO] [stderr] 525 |         try!(self.eat(TokenKind::Continue));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 529 |             Some(try_span!(self, self.parse_ident()))
[INFO] [stderr]     |                  ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:538:9
[INFO] [stderr]     |
[INFO] [stderr] 538 |         try!(self.eat(TokenKind::Goto));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 539 |         Ok(ast::GotoStmt { label: try_span!(self, self.parse_ident()) })
[INFO] [stderr]     |                                   ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:545:9
[INFO] [stderr]     |
[INFO] [stderr] 545 |         try!(self.eat(TokenKind::Fallthrough));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         try!(self.eat(TokenKind::Defer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 553 |         Ok(ast::DeferStmt { call: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                   ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         try!(self.eat(TokenKind::Return));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 559 |         Ok(ast::ReturnStmt { expr: try_span!(self, self.parse_expr()) })
[INFO] [stderr]     |                                    ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:566:9
[INFO] [stderr]     |
[INFO] [stderr] 566 |         try!(self.eat(TokenKind::If));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 568 |         let stmt = try_span!(self, self.parse_simple_stmt());
[INFO] [stderr]     |                    ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 578 |             condition = try_span!(self, self.parse_expr());
[INFO] [stderr]     |                         ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:593:21
[INFO] [stderr]     |
[INFO] [stderr] 593 |         let block = try!(self.parse_block());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:599:55
[INFO] [stderr]     |
[INFO] [stderr] 599 |                 TokenKind::LBrace => ast::Else::Block(try!(self.parse_block())),
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:600:48
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 TokenKind::If => ast::Else::If(try!(self.parse_if_stmt())),
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:639:9
[INFO] [stderr]     |
[INFO] [stderr] 639 |         try!(self.eat(TokenKind::For));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:642:21
[INFO] [stderr]     |
[INFO] [stderr] 642 |             header: try!(self.parse_for_header()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:643:19
[INFO] [stderr]     |
[INFO] [stderr] 643 |             body: try!(self.parse_block()),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:703:21
[INFO] [stderr]     |
[INFO] [stderr] 703 |         let exprs = try!(self.parse_expr_list());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:709:22
[INFO] [stderr]     |
[INFO] [stderr] 709 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:715:26
[INFO] [stderr]     |
[INFO] [stderr] 715 |             let idents = try!(self.expr_list_to_ident_list(&exprs));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:718:22
[INFO] [stderr]     |
[INFO] [stderr] 718 |                 rhs: try!(self.parse_expr_list()),
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 741 |                     expr: try_span!(self, self.parse_expr()),
[INFO] [stderr]     |                           ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 787 |         res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                  ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 791 |             res.push(try_span!(self, self.parse_expr()));
[INFO] [stderr]     |                      ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 809 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 818 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:25:19
[INFO] [stderr]     |
[INFO] [stderr] 25  |         span!($s, try!($x))
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 828 |                 let x = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]     |                         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:836:25
[INFO] [stderr]     |
[INFO] [stderr] 836 |                 let x = try!(self.parse_primary_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:848:24
[INFO] [stderr]     |
[INFO] [stderr] 848 |         let selector = try!(self.parse_ident());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:878:9
[INFO] [stderr]     |
[INFO] [stderr] 878 |         try!(self.eat(TokenKind::LParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:895:24
[INFO] [stderr]     |
[INFO] [stderr] 895 |             typ = Some(try!(self.parse_type()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:898:9
[INFO] [stderr]     |
[INFO] [stderr] 898 |         try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:920:47
[INFO] [stderr]     |
[INFO] [stderr] 920 |         let mut x = ast::PrimaryExpr::Operand(try!(self.parse_operand()));
[INFO] [stderr]     |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:930:64
[INFO] [stderr]     |
[INFO] [stderr] 930 | ...                   x = ast::PrimaryExpr::SelectorExpr(try!(self.parse_selector(x)));
[INFO] [stderr]     |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:933:65
[INFO] [stderr]     |
[INFO] [stderr] 933 | ...                   x = ast::PrimaryExpr::TypeAssertion(try!(self.parse_type_assertion(x)));
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:948:25
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     x = try!(self.parse_index_or_slice(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:954:25
[INFO] [stderr]     |
[INFO] [stderr] 954 |                     x = try!(self.parse_call_or_conversion(x));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:970:26
[INFO] [stderr]     |
[INFO] [stderr] 970 |                 let id = try!(self.parse_maybe_qualified_ident());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:974:27
[INFO] [stderr]     |
[INFO] [stderr] 974 |                 let lit = try!(self.parse_basic_lit());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:983:28
[INFO] [stderr]     |
[INFO] [stderr] 983 |                 let expr = try!(self.parse_expr());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:985:17
[INFO] [stderr]     |
[INFO] [stderr] 985 |                 try!(self.eat(TokenKind::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:989:26
[INFO] [stderr]     |
[INFO] [stderr] 989 |                 let fl = try!(self.parse_func_lit());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:993:35
[INFO] [stderr]     |
[INFO] [stderr] 993 |                 let method_expr = try!(self.parse_method_expr());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1007:24
[INFO] [stderr]      |
[INFO] [stderr] 1007 |             signature: try!(self.parse_func_signature()),
[INFO] [stderr]      |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1008:19
[INFO] [stderr]      |
[INFO] [stderr] 1008 |             body: try!(self.parse_block()),
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1027:60
[INFO] [stderr]      |
[INFO] [stderr] 1027 |             Decimal | Octal | Hex => Ok(ast::BasicLit::Int(try!(self.parse_int_lit()))),
[INFO] [stderr]      |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1028:51
[INFO] [stderr]      |
[INFO] [stderr] 1028 |             Str | StrRaw => Ok(ast::BasicLit::Str(try!(self.parse_string_lit()))),
[INFO] [stderr]      |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1033:41
[INFO] [stderr]      |
[INFO] [stderr] 1033 |                 Ok(ast::BasicLit::Float(try!(self.interpret_float_lit(&value[..],
[INFO] [stderr]      |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1043:45
[INFO] [stderr]      |
[INFO] [stderr] 1043 |                 Ok(ast::BasicLit::Imaginary(try!(self.interpret_float_lit(value_ref,
[INFO] [stderr]      |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1046:44
[INFO] [stderr]      |
[INFO] [stderr] 1046 |             Rune => Ok(ast::BasicLit::Rune(try!(self.parse_rune_lit()))),
[INFO] [stderr]      |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1058:21
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         let value = try!(self.eat_and_get(TokenKind::Rune))
[INFO] [stderr]      |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1079:26
[INFO] [stderr]      |
[INFO] [stderr] 1079 |                 result = try!(self.interpret_hex_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1082:26
[INFO] [stderr]      |
[INFO] [stderr] 1082 |                 result = try!(self.interpret_unicode_escape(pc == 'U', &mut char_indices));
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1084:26
[INFO] [stderr]      |
[INFO] [stderr] 1084 |                 result = try!(self.interpret_octal_escape(&mut char_indices)) as char;
[INFO] [stderr]      |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1184:20
[INFO] [stderr]      |
[INFO] [stderr] 1184 |                 Ok(try!(self.interpret_int(&value[..], 10, "decimal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1189:20
[INFO] [stderr]      |
[INFO] [stderr] 1189 |                 Ok(try!(self.interpret_int(&value[1..], 8, "octal literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1194:20
[INFO] [stderr]      |
[INFO] [stderr] 1194 |                 Ok(try!(self.interpret_int(&value[2..], 16, "hex literal")))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1234 |         let a = try_span!(self, self.parse_unary_expr());
[INFO] [stderr]      |                 ---------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:25:19
[INFO] [stderr]      |
[INFO] [stderr] 25   |         span!($s, try!($x))
[INFO] [stderr]      |                   ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |             let y = try_span!(self, self.parse_potential_binary_expr(precedence + 1));
[INFO] [stderr]      |                     ----------------------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1300:20
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                 Ok(try!(self.interpret_string_lit(raw_val)))
[INFO] [stderr]      |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1442:32
[INFO] [stderr]      |
[INFO] [stderr] 1442 |                     let byte = try!(self.interpret_hex_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1446:38
[INFO] [stderr]      |
[INFO] [stderr] 1446 |                     let value_char = try!(self.interpret_unicode_escape(pc == 'U',
[INFO] [stderr]      |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]     --> src/parser/mod.rs:1453:32
[INFO] [stderr]      |
[INFO] [stderr] 1453 |                     let byte = try!(self.interpret_octal_escape(&mut char_indices));
[INFO] [stderr]      |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/lexer/mod.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         'outer: while let Some(c) = self.current_char {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/parser/mod.rs:121:63
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn eat_and_get(&mut self, expected: TokenKind) -> PResult<(Token)> {
[INFO] [stderr]     |                                                               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1318:45
[INFO] [stderr]      |
[INFO] [stderr] 1318 | ...                   chars: &mut Iterator<Item = (usize, char)>)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1351:50
[INFO] [stderr]      |
[INFO] [stderr] 1351 |     fn interpret_octal_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/parser/mod.rs:1377:48
[INFO] [stderr]      |
[INFO] [stderr] 1377 |     fn interpret_hex_escape(&self, chars: &mut Iterator<Item = (usize, char)>) -> PResult<u8> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (usize, char)>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]     --> src/parser/mod.rs:1042:39
[INFO] [stderr]      |
[INFO] [stderr] 1042 |                 let value_ref = value.trim_right_matches('i');
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1012:40
[INFO] [stderr]      |
[INFO] [stderr] 1012 |     fn parse_index_or_slice(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/parser/mod.rs:1016:44
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     fn parse_call_or_conversion(&mut self, x: ast::PrimaryExpr) -> PResult<ast::PrimaryExpr> {
[INFO] [stderr]      |                                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: 138 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rgo-8f1b301083cd46aa
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test lexer::test::test_text_literals ... ok
[INFO] [stdout] test lexer::test::tokenize_plain_interpreted_str ... ok
[INFO] [stdout] test parser::test::test_interpret_ints ... ok
[INFO] [stdout] test lexer::test::tokenize_simple ... ok
[INFO] [stdout] test lexer::test::tokenize_mixed_whitespace ... ok
[INFO] [stdout] test lexer::test::tokenize_package_declaration ... ok
[INFO] [stdout] test lexer::test::tokenize_simple_assignment ... ok
[INFO] [stdout] test lexer::test::tokenize_ident ... ok
[INFO] [stdout] test lexer::test::tokenize_hello_with_comments ... ok
[INFO] [stdout] test lexer::test::tokenize_keywords ... ok
[INFO] [stdout] test parser::test::test_interpret_runes ... ok
[INFO] [stdout] test lexer::test::tokenize_comments ... ok
[INFO] [stdout] test lexer::test::tokenize_hello ... ok
[INFO] [stdout] test parser::test::test_interpret_floats ... ok
[INFO] [stdout] test parser::test::test_interpret_strings ... ok
[INFO] [stdout] test lexer::test::tokenize_simple_import ... ok
[INFO] [stdout] test lexer::test::tokenize_simple_assignment_with_inline_comment ... ok
[INFO] [stdout] test parser::test::test_interpret_imaginaries ... ok
[INFO] [stdout] test lexer::test::test_numerical_tokens ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_invalid_codepoint ... ok
[INFO] [stdout] test parser::test::test_interpret_string_illegal_surrogate_half ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_surrogate_half ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_too_few_hex_digits ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_too_few_octal_digits ... ok
[INFO] [stdout] test parser::test::test_interpret_rune_too_many_characters ... ok
[INFO] [stdout] test parser::test::test_interpret_string_invalid_codepoint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rgo-722efe235b5d2100
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/runner-b9deb847635bfc6f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] making sure lexing doesn't panic... OK.
[INFO] [stderr] thread 'main' panicked at 'not implemented', src/parser/mod.rs:1017:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0: backtrace::backtrace::libunwind::trace
[INFO] [stderr]              at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1: backtrace::backtrace::trace_unsynchronized
[INFO] [stderr]              at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2: std::sys_common::backtrace::_print_fmt
[INFO] [stderr]              at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
[INFO] [stderr]              at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4: core::fmt::write
[INFO] [stderr]              at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5: std::io::Write::write_fmt
[INFO] [stderr]              at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6: std::sys_common::backtrace::_print
[INFO] [stderr]              at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7: std::sys_common::backtrace::print
[INFO] [stderr]              at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8: std::panicking::default_hook::{{closure}}
[INFO] [stderr]              at src/libstd/panicking.rs:198
[INFO] [stderr]    9: std::panicking::default_hook
[INFO] [stderr]              at src/libstd/panicking.rs:218
[INFO] [stderr]   10: std::panicking::rust_panic_with_hook
[INFO] [stderr]              at src/libstd/panicking.rs:486
[INFO] [stderr]   11: std::panicking::begin_panic
[INFO] [stderr]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410
[INFO] [stderr]   12: rgo::parser::Parser<R>::parse_call_or_conversion
[INFO] [stderr]              at src/parser/mod.rs:1017
[INFO] [stderr]   13: rgo::parser::Parser<R>::parse_primary_expr
[INFO] [stderr]              at src/parser/mod.rs:954
[INFO] [stderr]   14: rgo::parser::Parser<R>::parse_unary_expr
[INFO] [stderr]              at src/parser/mod.rs:836
[INFO] [stderr]   15: rgo::parser::Parser<R>::parse_potential_binary_expr
[INFO] [stderr]              at src/parser/mod.rs:1234
[INFO] [stderr]   16: rgo::parser::Parser<R>::parse_expr
[INFO] [stderr]              at src/parser/mod.rs:778
[INFO] [stderr]   17: rgo::parser::Parser<R>::parse_expr_list
[INFO] [stderr]              at src/parser/mod.rs:787
[INFO] [stderr]   18: rgo::parser::Parser<R>::parse_simple_stmt
[INFO] [stderr]              at src/parser/mod.rs:703
[INFO] [stderr]   19: rgo::parser::Parser<R>::parse_statement
[INFO] [stderr]              at src/parser/mod.rs:497
[INFO] [stderr]   20: rgo::parser::Parser<R>::parse_block
[INFO] [stderr]              at src/parser/mod.rs:457
[INFO] [stderr]   21: rgo::parser::Parser<R>::parse_func_decl
[INFO] [stderr]              at src/parser/mod.rs:265
[INFO] [stderr]   22: rgo::parser::Parser<R>::parse_top_level_decls
[INFO] [stderr]              at src/parser/mod.rs:238
[INFO] [stderr]   23: rgo::parser::Parser<R>::parse
[INFO] [stderr]              at src/parser/mod.rs:62
[INFO] [stderr]   24: runner::parsing_does_not_panic::{{closure}}
[INFO] [stderr]              at tests/runner.rs:63
[INFO] [stderr]   25: runner::for_all_in
[INFO] [stderr]              at tests/runner.rs:34
[INFO] [stderr]   26: runner::parsing_does_not_panic
[INFO] [stderr]              at tests/runner.rs:61
[INFO] [stderr]   27: runner::main
[INFO] [stderr]              at tests/runner.rs:44
[INFO] [stderr]   28: std::rt::lang_start::{{closure}}
[INFO] [stderr]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67
[INFO] [stderr]   29: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]              at src/libstd/rt.rs:52
[INFO] [stderr]   30: std::panicking::try::do_call
[INFO] [stderr]              at src/libstd/panicking.rs:297
[INFO] [stderr]   31: std::panicking::try
[INFO] [stderr]              at src/libstd/panicking.rs:274
[INFO] [stderr]   32: std::panic::catch_unwind
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]   33: std::rt::lang_start_internal
[INFO] [stderr]              at src/libstd/rt.rs:51
[INFO] [stderr]   34: std::rt::lang_start
[INFO] [stderr]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67
[INFO] [stderr]   35: main
[INFO] [stderr]   36: __libc_start_main
[INFO] [stderr]   37: _start
[INFO] [stderr] note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[INFO] [stderr] error: test failed, to rerun pass '--test runner'
[INFO] [stdout] making sure parsing doesn't panic... 
[INFO] running `"docker" "inspect" "36591db49117a7f01e7648ea474d6e43ecb893247812b8b15d6d77b383020c49"`
[INFO] running `"docker" "rm" "-f" "36591db49117a7f01e7648ea474d6e43ecb893247812b8b15d6d77b383020c49"`
[INFO] [stdout] 36591db49117a7f01e7648ea474d6e43ecb893247812b8b15d6d77b383020c49