[INFO] cloning repository https://github.com/gnuvince/minilang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnuvince/minilang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnuvince%2Fminilang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnuvince%2Fminilang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11836d350968f2839af83fef09a9102b27a79e44
[INFO] checking gnuvince/minilang-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnuvince%2Fminilang-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnuvince/minilang-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnuvince/minilang-rs
[INFO] finished tweaking git repo https://github.com/gnuvince/minilang-rs
[INFO] tweaked toml for git repo https://github.com/gnuvince/minilang-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gnuvince/minilang-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.4.0
[INFO] [stderr]   Downloaded ansi_term v0.7.1
[INFO] [stderr]   Downloaded vec_map v0.4.0
[INFO] [stderr]   Downloaded clap v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fd6511204bb4a81a81fe84b0c0bfb86fccc918cecf733c999dae2aee49537f2
[INFO] running `Command { std: "docker" "start" "-a" "6fd6511204bb4a81a81fe84b0c0bfb86fccc918cecf733c999dae2aee49537f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd6511204bb4a81a81fe84b0c0bfb86fccc918cecf733c999dae2aee49537f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd6511204bb4a81a81fe84b0c0bfb86fccc918cecf733c999dae2aee49537f2", kill_on_drop: false }`
[INFO] [stdout] 6fd6511204bb4a81a81fe84b0c0bfb86fccc918cecf733c999dae2aee49537f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 672c1f52fb784c6254a3d78f4458f4adc90bac7ab1883c8fce8a98f121020469
[INFO] running `Command { std: "docker" "start" "-a" "672c1f52fb784c6254a3d78f4458f4adc90bac7ab1883c8fce8a98f121020469", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking vec_map v0.4.0
[INFO] [stderr]     Checking ansi_term v0.7.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking strsim v0.4.0
[INFO] [stderr]     Checking clap v2.0.3
[INFO] [stderr]     Checking minilang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(self.eat(TokenType::Eof));
[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.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let decls = try!(self.parse_decls());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let stmts = try!(self.parse_stmts());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = try!(self.eat(TokenType::TypeInt));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let _ = try!(self.eat(TokenType::TypeFloat));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let _ = try!(self.eat(TokenType::TypeString));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let decl = try!(self.parse_decl());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(self.eat(TokenType::Var));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(self.eat(TokenType::Colon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:114:18
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let ty = try!(self.parse_type());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let stmt = try!(self.parse_stmt());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(self.eat(TokenType::Read));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(self.eat(TokenType::Print));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         try!(self.eat(TokenType::Equal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:163:18
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         try!(self.eat(TokenType::If));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.eat(TokenType::Then));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(self.eat(TokenType::EndIf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:175:26
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let then_stmts = try!(self.parse_stmts());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 try!(self.eat(TokenType::Else));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 try!(self.parse_stmts())
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         try!(self.eat(TokenType::While));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         try!(self.eat(TokenType::Do));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(self.eat(TokenType::Done));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let stmts = try!(self.parse_stmts());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:210:24
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut term = try!(self.parse_term());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |             try!(self.eat(tok));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:224:22
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let t2 = try!(self.parse_term());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:240:24
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut fact = try!(self.parse_factor());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |             try!(self.eat(tok));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:254:22
[INFO] [stdout]     |
[INFO] [stdout] 254 |             let f2 = try!(self.parse_factor());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 try!(self.eat(TokenType::LParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:278:17
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 try!(self.eat(TokenType::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 let e = try!(self.parse_expr());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(self.eat(TokenType::Minus));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 let e = try!(self.parse_expr());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:303:22
[INFO] [stdout]     |
[INFO] [stdout] 303 |         let lexeme = try!(self.eat_lexeme(TokenType::Int));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:318:22
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let lexeme = try!(self.eat_lexeme(TokenType::Float));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:333:22
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let lexeme = try!(self.eat_lexeme(TokenType::String));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:345:22
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let lexeme = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.tc_decls(&p.decls));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try!(self.tc_decl(&decl));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.tc_stmt(&stmt));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let expr_ty = try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 try!(self.tc_stmts(&stmt.then_stmts));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 try!(self.tc_stmts(&stmt.else_stmts));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(self.eat(TokenType::Eof));
[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/typecheck.rs:120:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let ty = try!(match expr.expr {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let t1 = try!(self.tc_expr(&expr.expr1));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let decls = try!(self.parse_decls());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:146:18
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let t2 = try!(self.tc_expr(&expr.expr2));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let tok = try!(scanner.next_token());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let stmts = try!(self.parse_stmts());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let tokens = try!(self.get_tokens());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = try!(self.eat(TokenType::TypeInt));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:83:22
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let tokens = try!(self.get_tokens());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let _ = try!(self.eat(TokenType::TypeFloat));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let ast = try!(parser.parse_program());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(tc.tc_program(&ast));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let _ = try!(self.eat(TokenType::TypeString));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:93:22
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let tokens = try!(self.get_tokens());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let decl = try!(self.parse_decl());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let ast = try!(parser.parse_program());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         try!(self.eat(TokenType::Var));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         try!(self.eat(TokenType::Colon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:114:18
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let ty = try!(self.parse_type());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let stmt = try!(self.parse_stmt());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(self.eat(TokenType::Read));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(self.eat(TokenType::Print));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         try!(self.eat(TokenType::Equal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:163:18
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         try!(self.eat(TokenType::If));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.eat(TokenType::Then));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         try!(self.eat(TokenType::EndIf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:175:26
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let then_stmts = try!(self.parse_stmts());
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 try!(self.eat(TokenType::Else));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 try!(self.parse_stmts())
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         try!(self.eat(TokenType::While));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         try!(self.eat(TokenType::Do));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         try!(self.eat(TokenType::Done));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:197:17
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let e = try!(self.parse_expr());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let stmts = try!(self.parse_stmts());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:210:24
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut term = try!(self.parse_term());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |             try!(self.eat(tok));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:224:22
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let t2 = try!(self.parse_term());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:240:24
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let mut fact = try!(self.parse_factor());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |             try!(self.eat(tok));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:254:22
[INFO] [stdout]     |
[INFO] [stdout] 254 |             let f2 = try!(self.parse_factor());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 try!(self.eat(TokenType::LParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:278:17
[INFO] [stdout]     |
[INFO] [stdout] 278 |                 try!(self.eat(TokenType::RParen));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:277:25
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 let e = try!(self.parse_expr());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(self.eat(TokenType::Minus));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:283:25
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 let e = try!(self.parse_expr());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:303:22
[INFO] [stdout]     |
[INFO] [stdout] 303 |         let lexeme = try!(self.eat_lexeme(TokenType::Int));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:318:22
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let lexeme = try!(self.eat_lexeme(TokenType::Float));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:333:22
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let lexeme = try!(self.eat_lexeme(TokenType::String));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:345:22
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let lexeme = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         try!(self.tc_decls(&p.decls));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try!(self.tc_decl(&decl));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.tc_stmt(&stmt));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let expr_ty = try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/typecheck.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 try!(self.tc_stmts(&stmt.then_stmts));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 try!(self.tc_stmts(&stmt.else_stmts));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:120:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let ty = try!(match expr.expr {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let t1 = try!(self.tc_expr(&expr.expr1));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/typecheck.rs:146:18
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let t2 = try!(self.tc_expr(&expr.expr2));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let tok = try!(scanner.next_token());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let tokens = try!(self.get_tokens());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:83:22
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let tokens = try!(self.get_tokens());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let ast = try!(parser.parse_program());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(tc.tc_program(&ast));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:93:22
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let tokens = try!(self.get_tokens());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let ast = try!(parser.parse_program());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/ast.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct StmtPrint {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     pub pos: Pos,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StmtPrint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct ExprInt {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 83 |     pub value: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprInt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct ExprFloat {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 88 |     pub value: f64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprFloat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct ExprString {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 93 |     pub value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Int(ExprInt),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr_` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Int(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Float(ExprFloat),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr_` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Float(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     String(ExprString),
[INFO] [stdout]     |     ------ ^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr_` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 113 |     String(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]   --> src/ast.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct StmtPrint {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 21 |     pub pos: Pos,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StmtPrint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct ExprInt {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 83 |     pub value: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprInt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct ExprFloat {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 88 |     pub value: f64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprFloat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct ExprString {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 93 |     pub value: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprString` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Int(ExprInt),
[INFO] [stdout]     |     --- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr_` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 111 |     Int(()),
[INFO] [stdout]     |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:112:11
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Float(ExprFloat),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr_` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Float(()),
[INFO] [stdout]     |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     String(ExprString),
[INFO] [stdout]     |     ------ ^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr_` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 113 |     String(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0, clap v2.0.3
[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" "672c1f52fb784c6254a3d78f4458f4adc90bac7ab1883c8fce8a98f121020469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672c1f52fb784c6254a3d78f4458f4adc90bac7ab1883c8fce8a98f121020469", kill_on_drop: false }`
[INFO] [stdout] 672c1f52fb784c6254a3d78f4458f4adc90bac7ab1883c8fce8a98f121020469