[INFO] cloning repository https://github.com/nilq/helix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilq/helix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhelix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhelix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e40d3292f5d8292e115f56ef0fe86f5a3d2d77
[INFO] checking nilq/helix against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhelix" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilq/helix on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nilq/helix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded docopt v0.7.0
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded lazy_static v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc10b9fb088e64645b48236efaf74e1676e04a1060f01131d93a22e300c35e5e
[INFO] running `Command { std: "docker" "start" "-a" "dc10b9fb088e64645b48236efaf74e1676e04a1060f01131d93a22e300c35e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc10b9fb088e64645b48236efaf74e1676e04a1060f01131d93a22e300c35e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc10b9fb088e64645b48236efaf74e1676e04a1060f01131d93a22e300c35e5e", kill_on_drop: false }`
[INFO] [stdout] dc10b9fb088e64645b48236efaf74e1676e04a1060f01131d93a22e300c35e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac80c6ad5bf204027a1278a581e70c1176996df15e7dce17814c57537a880550
[INFO] running `Command { std: "docker" "start" "-a" "ac80c6ad5bf204027a1278a581e70c1176996df15e7dce17814c57537a880550", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking lazy_static v0.2.6
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking helix-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |             stack.push(try!(self.statement()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:154:24
[INFO] [stdout]     |
[INFO] [stdout] 154 |             stack.push(try!(self.expression()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:171:21
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |             stack.push(try!(self.statement()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let ident = try!(self.term());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:278:34
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:154:24
[INFO] [stdout]     |
[INFO] [stdout] 154 |             stack.push(try!(self.expression()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:171:21
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:319:44
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:336:28
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:348:28
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:374:45
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let ident = try!(self.term());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:394:25
[INFO] [stdout]     |
[INFO] [stdout] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:416:36
[INFO] [stdout]     |
[INFO] [stdout] 416 |                         let body = try!(self.block());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:278:34
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:423:41
[INFO] [stdout]     |
[INFO] [stdout] 423 | ...                   let retty = try!(self.term());
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:429:48
[INFO] [stdout]     |
[INFO] [stdout] 429 | ...                   let body = try!(self.block());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:449:48
[INFO] [stdout]     |
[INFO] [stdout] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:319:44
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:482:38
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let expression = try!(self.expression());
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:489:34
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:336:28
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:501:17
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:505:34
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:348:28
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:513:33
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 let condition = try!(self.expression());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:517:28
[INFO] [stdout]     |
[INFO] [stdout] 517 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:524:37
[INFO] [stdout]     |
[INFO] [stdout] 524 |                     let else_body = try!(self.block());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:539:34
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:374:45
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:547:20
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let expr = try!(self.term());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:394:25
[INFO] [stdout]     |
[INFO] [stdout] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:416:36
[INFO] [stdout]     |
[INFO] [stdout] 416 |                         let body = try!(self.block());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:423:41
[INFO] [stdout]     |
[INFO] [stdout] 423 | ...                   let retty = try!(self.term());
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:429:48
[INFO] [stdout]     |
[INFO] [stdout] 429 | ...                   let body = try!(self.block());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:449:48
[INFO] [stdout]     |
[INFO] [stdout] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:482:38
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let expression = try!(self.expression());
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:489:34
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:501:17
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:505:34
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:513:33
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 let condition = try!(self.expression());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:517:28
[INFO] [stdout]     |
[INFO] [stdout] 517 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:524:37
[INFO] [stdout]     |
[INFO] [stdout] 524 |                     let else_body = try!(self.block());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:539:34
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:547:20
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let expr = try!(self.term());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |             stack.push(try!(self.statement()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:154:24
[INFO] [stdout]     |
[INFO] [stdout] 154 |             stack.push(try!(self.expression()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:171:21
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |             stack.push(try!(self.statement()));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/ast.rs:98:23
[INFO] [stdout]    |
[INFO] [stdout] 98 |         ex_stack.push(try!(self.term()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |                     ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:133:31
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 ex_stack.push(try!(self.term()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:154:24
[INFO] [stdout]     |
[INFO] [stdout] 154 |             stack.push(try!(self.expression()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let ident = try!(self.term());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:171:21
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |         try!(self.tokenizer.match_current(TokenType::Ident));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:278:34
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         try!(self.tokenizer.match_current(TokenType::RBracket));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:319:44
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let index = try!(self.expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:336:28
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 |             TokenType::Period => Ok(try!(self.dot(expression))),
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:348:28
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |             TokenType::LParen => Ok(try!(self.call(expression))),            
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |         let ident = try!(self.term());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:374:45
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:278:34
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:394:25
[INFO] [stdout]     |
[INFO] [stdout] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:416:36
[INFO] [stdout]     |
[INFO] [stdout] 416 |                         let body = try!(self.block());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:423:41
[INFO] [stdout]     |
[INFO] [stdout] 423 | ...                   let retty = try!(self.term());
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:319:44
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     parent = Some(Box::new(try!(self.term())));
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:429:48
[INFO] [stdout]     |
[INFO] [stdout] 429 | ...                   let body = try!(self.block());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:336:28
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:449:48
[INFO] [stdout]     |
[INFO] [stdout] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:348:28
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:482:38
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let expression = try!(self.expression());
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:356:17
[INFO] [stdout]     |
[INFO] [stdout] 356 |                 try!(self.tokenizer.match_current(TokenType::Text));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:489:34
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:374:45
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 Ok(Expression::Use(Box::new(try!(self.term()))))
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:501:17
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |                     try!(self.tokenizer.match_current(TokenType::RParen));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:505:34
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:513:33
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 let condition = try!(self.expression());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:394:25
[INFO] [stdout]     |
[INFO] [stdout] 394 |                         try!(self.tokenizer.match_current(TokenType::Colon));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:517:28
[INFO] [stdout]     |
[INFO] [stdout] 517 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:416:36
[INFO] [stdout]     |
[INFO] [stdout] 416 |                         let body = try!(self.block());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:524:37
[INFO] [stdout]     |
[INFO] [stdout] 524 |                     let else_body = try!(self.block());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:423:41
[INFO] [stdout]     |
[INFO] [stdout] 423 | ...                   let retty = try!(self.term());
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:539:34
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:547:20
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let expr = try!(self.term());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:429:48
[INFO] [stdout]     |
[INFO] [stdout] 429 | ...                   let body = try!(self.block());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:449:48
[INFO] [stdout]     |
[INFO] [stdout] 449 |                 Ok(Expression::Return(Box::new(try!(self.expression()))))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:482:38
[INFO] [stdout]     |
[INFO] [stdout] 482 |                     let expression = try!(self.expression());
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:489:34
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:501:17
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 try!(self.tokenizer.match_current(TokenType::Assign));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:505:34
[INFO] [stdout]     |
[INFO] [stdout] 505 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:513:33
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 let condition = try!(self.expression());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:517:28
[INFO] [stdout]     |
[INFO] [stdout] 517 |                 let body = try!(self.block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:524:37
[INFO] [stdout]     |
[INFO] [stdout] 524 |                     let else_body = try!(self.block());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:539:34
[INFO] [stdout]     |
[INFO] [stdout] 539 |                 let expression = try!(self.expression());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/ast.rs:547:20
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let expr = try!(self.term());
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |                    e.description())
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |                    e.description())
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:52:30
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 52 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Err(e) => panic!(e),
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Err(e) => panic!("{}", e),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Err(e) => panic!(e),
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Err(e) => panic!("{}", e),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ac80c6ad5bf204027a1278a581e70c1176996df15e7dce17814c57537a880550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac80c6ad5bf204027a1278a581e70c1176996df15e7dce17814c57537a880550", kill_on_drop: false }`
[INFO] [stdout] ac80c6ad5bf204027a1278a581e70c1176996df15e7dce17814c57537a880550