[INFO] updating cached repository https://github.com/nilq/helix
[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] 28e40d3292f5d8292e115f56ef0fe86f5a3d2d77
[INFO] testing nilq/helix against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhelix" "/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/nilq/helix on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nilq/helix
[INFO] finished tweaking git repo https://github.com/nilq/helix
[INFO] tweaked toml for git repo https://github.com/nilq/helix written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/nilq/helix already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 1db589a78c62ccd279f11f1a4d4184cecf5e439bd785e4051a30fa427c6207de
[INFO] running `"docker" "start" "-a" "1db589a78c62ccd279f11f1a4d4184cecf5e439bd785e4051a30fa427c6207de"`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling helix-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |                    e.description())
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.02s
[INFO] running `"docker" "inspect" "1db589a78c62ccd279f11f1a4d4184cecf5e439bd785e4051a30fa427c6207de"`
[INFO] running `"docker" "rm" "-f" "1db589a78c62ccd279f11f1a4d4184cecf5e439bd785e4051a30fa427c6207de"`
[INFO] [stdout] 1db589a78c62ccd279f11f1a4d4184cecf5e439bd785e4051a30fa427c6207de
[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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 3c22316e03b1cbfaf65b9e5a85ecf3150f28d39891f755db82eef2a792fc9414
[INFO] running `"docker" "start" "-a" "3c22316e03b1cbfaf65b9e5a85ecf3150f28d39891f755db82eef2a792fc9414"`
[INFO] [stderr]    Compiling helix-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |                    e.description())
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `"docker" "inspect" "3c22316e03b1cbfaf65b9e5a85ecf3150f28d39891f755db82eef2a792fc9414"`
[INFO] running `"docker" "rm" "-f" "3c22316e03b1cbfaf65b9e5a85ecf3150f28d39891f755db82eef2a792fc9414"`
[INFO] [stdout] 3c22316e03b1cbfaf65b9e5a85ecf3150f28d39891f755db82eef2a792fc9414
[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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 9374561e204d78aaafa32fb03a32781b46006ba76e8de4fe039c646eece85610
[INFO] running `"docker" "start" "-a" "9374561e204d78aaafa32fb03a32781b46006ba76e8de4fe039c646eece85610"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 38 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/ast.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |             stack.push(try!(self.statement()));
[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/ast.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:125:35
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:133:31
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:154:24
[INFO] [stderr]     |
[INFO] [stderr] 154 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:189:21
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let index = try!(self.expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:210:37
[INFO] [stderr]     |
[INFO] [stderr] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let ident = try!(self.term());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:319:44
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:324:28
[INFO] [stderr]     |
[INFO] [stderr] 324 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:336:28
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:348:28
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:356:17
[INFO] [stderr]     |
[INFO] [stderr] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:374:45
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:394:25
[INFO] [stderr]     |
[INFO] [stderr] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:409:21
[INFO] [stderr]     |
[INFO] [stderr] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:416:36
[INFO] [stderr]     |
[INFO] [stderr] 416 |                         let body = try!(self.block());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 | ...                   let retty = try!(self.term());
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:429:48
[INFO] [stderr]     |
[INFO] [stderr] 429 | ...                   let body = try!(self.block());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:449:48
[INFO] [stderr]     |
[INFO] [stderr] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:482:38
[INFO] [stderr]     |
[INFO] [stderr] 482 |                     let expression = try!(self.expression());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:501:17
[INFO] [stderr]     |
[INFO] [stderr] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:505:34
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:513:33
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 let condition = try!(self.expression());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:517:28
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 let body = try!(self.block());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:524:37
[INFO] [stderr]     |
[INFO] [stderr] 524 |                     let else_body = try!(self.block());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:539:34
[INFO] [stderr]     |
[INFO] [stderr] 539 |                 let expression = try!(self.expression());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/ast.rs:547:20
[INFO] [stderr]     |
[INFO] [stderr] 547 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |                    e.description())
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helix_lang-00fac1555e0b5a40
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helix_lang-e53f0aa3aa7b5c55
[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] [stderr]    Doc-tests helix-lang
[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] 
[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] running `"docker" "inspect" "9374561e204d78aaafa32fb03a32781b46006ba76e8de4fe039c646eece85610"`
[INFO] running `"docker" "rm" "-f" "9374561e204d78aaafa32fb03a32781b46006ba76e8de4fe039c646eece85610"`
[INFO] [stdout] 9374561e204d78aaafa32fb03a32781b46006ba76e8de4fe039c646eece85610