[INFO] updating cached repository https://github.com/gnuvince/minilang-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11836d350968f2839af83fef09a9102b27a79e44
[INFO] checking gnuvince/minilang-rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnuvince%2Fminilang-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnuvince/minilang-rs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gnuvince/minilang-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba5397dd768bcf32e605c1610dfa1d50e7652cf0cff811c64221def8155ead59
[INFO] running `"docker" "start" "-a" "ba5397dd768bcf32e605c1610dfa1d50e7652cf0cff811c64221def8155ead59"`
[INFO] [stderr]     Checking clap v2.0.6
[INFO] [stderr]     Checking minilang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let decls = try!(self.parse_decls());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let stmts = try!(self.parse_stmts());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         try!(self.eat(TokenType::Eof));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:79:25
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let _ = try!(self.eat(TokenType::TypeInt));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 let _ = try!(self.eat(TokenType::TypeFloat));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:87:25
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 let _ = try!(self.eat(TokenType::TypeString));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:103:24
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let decl = try!(self.parse_decl());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.eat(TokenType::Var));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:112:18
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(self.eat(TokenType::Colon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:114:18
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let ty = try!(self.parse_type());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 |             let stmt = try!(self.parse_stmt());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         try!(self.eat(TokenType::Read));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:148:18
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(self.eat(TokenType::Print));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |         try!(self.eat(TokenType::Equal));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(self.eat(TokenType::If));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         try!(self.eat(TokenType::Then));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:175:26
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let then_stmts = try!(self.parse_stmts());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 try!(self.eat(TokenType::Else));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 try!(self.parse_stmts())
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.eat(TokenType::EndIf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         try!(self.eat(TokenType::While));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         try!(self.eat(TokenType::Do));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let stmts = try!(self.parse_stmts());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(self.eat(TokenType::Done));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:210:24
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let mut term = try!(self.parse_term());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 |             try!(self.eat(tok));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:224:22
[INFO] [stderr]     |
[INFO] [stderr] 224 |             let t2 = try!(self.parse_term());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:240:24
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut fact = try!(self.parse_factor());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:253:13
[INFO] [stderr]     |
[INFO] [stderr] 253 |             try!(self.eat(tok));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:254:22
[INFO] [stderr]     |
[INFO] [stderr] 254 |             let f2 = try!(self.parse_factor());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 |                 try!(self.eat(TokenType::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:277:25
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 let e = try!(self.parse_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:278:17
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 try!(self.eat(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.eat(TokenType::Minus));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 let e = try!(self.parse_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |         let lexeme = try!(self.eat_lexeme(TokenType::Int));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:318:22
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let lexeme = try!(self.eat_lexeme(TokenType::Float));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:333:22
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let lexeme = try!(self.eat_lexeme(TokenType::String));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:345:22
[INFO] [stderr]     |
[INFO] [stderr] 345 |         let lexeme = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(self.tc_decls(&p.decls));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(self.tc_decl(&decl));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(self.tc_stmt(&stmt));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let expr_ty = try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(self.tc_stmts(&stmt.then_stmts));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 try!(self.tc_stmts(&stmt.else_stmts));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:120:18
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let ty = try!(match expr.expr {
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:145:18
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let t1 = try!(self.tc_expr(&expr.expr1));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:146:18
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let t2 = try!(self.tc_expr(&expr.expr2));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let tok = try!(scanner.next_token());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:72:22
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let tokens = try!(self.get_tokens());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:83:22
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let tokens = try!(self.get_tokens());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:85:19
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let ast = try!(parser.parse_program());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:93:22
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let tokens = try!(self.get_tokens());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let ast = try!(parser.parse_program());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(tc.tc_program(&ast));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:66:21
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let decls = try!(self.parse_decls());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let stmts = try!(self.parse_stmts());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         try!(self.eat(TokenType::Eof));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:79:25
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let _ = try!(self.eat(TokenType::TypeInt));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 let _ = try!(self.eat(TokenType::TypeFloat));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:87:25
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 let _ = try!(self.eat(TokenType::TypeString));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:103:24
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let decl = try!(self.parse_decl());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         try!(self.eat(TokenType::Var));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:112:18
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         try!(self.eat(TokenType::Colon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:114:18
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let ty = try!(self.parse_type());
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 |             let stmt = try!(self.parse_stmt());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         try!(self.eat(TokenType::Read));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:148:18
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         try!(self.eat(TokenType::Print));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let id = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |         try!(self.eat(TokenType::Equal));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(self.eat(TokenType::Semicolon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(self.eat(TokenType::If));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         try!(self.eat(TokenType::Then));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:175:26
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let then_stmts = try!(self.parse_stmts());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 try!(self.eat(TokenType::Else));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 try!(self.parse_stmts())
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(self.eat(TokenType::EndIf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         try!(self.eat(TokenType::While));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:197:17
[INFO] [stderr]     |
[INFO] [stderr] 197 |         let e = try!(self.parse_expr());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |         try!(self.eat(TokenType::Do));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let stmts = try!(self.parse_stmts());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         try!(self.eat(TokenType::Done));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:210:24
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let mut term = try!(self.parse_term());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 |             try!(self.eat(tok));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:224:22
[INFO] [stderr]     |
[INFO] [stderr] 224 |             let t2 = try!(self.parse_term());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:240:24
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let mut fact = try!(self.parse_factor());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:253:13
[INFO] [stderr]     |
[INFO] [stderr] 253 |             try!(self.eat(tok));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:254:22
[INFO] [stderr]     |
[INFO] [stderr] 254 |             let f2 = try!(self.parse_factor());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:276:17
[INFO] [stderr]     |
[INFO] [stderr] 276 |                 try!(self.eat(TokenType::LParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:277:25
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 let e = try!(self.parse_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:278:17
[INFO] [stderr]     |
[INFO] [stderr] 278 |                 try!(self.eat(TokenType::RParen));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 try!(self.eat(TokenType::Minus));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:283:25
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 let e = try!(self.parse_expr());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |         let lexeme = try!(self.eat_lexeme(TokenType::Int));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:318:22
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let lexeme = try!(self.eat_lexeme(TokenType::Float));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:333:22
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let lexeme = try!(self.eat_lexeme(TokenType::String));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:345:22
[INFO] [stderr]     |
[INFO] [stderr] 345 |         let lexeme = try!(self.eat_lexeme(TokenType::Id));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         try!(self.tc_decls(&p.decls));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(self.tc_decl(&decl));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(self.tc_stmt(&stmt));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let expr_ty = try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/typecheck.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 try!(self.tc_stmts(&stmt.then_stmts));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 try!(self.tc_stmts(&stmt.else_stmts));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:112:17
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let t = try!(self.tc_expr(&stmt.expr));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:120:18
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let ty = try!(match expr.expr {
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:145:18
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let t1 = try!(self.tc_expr(&expr.expr1));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/typecheck.rs:146:18
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let t2 = try!(self.tc_expr(&expr.expr2));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let tok = try!(scanner.next_token());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:72:22
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let tokens = try!(self.get_tokens());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:83:22
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let tokens = try!(self.get_tokens());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:85:19
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let ast = try!(parser.parse_program());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:93:22
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let tokens = try!(self.get_tokens());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let ast = try!(parser.parse_program());
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(tc.tc_program(&ast));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 69 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 69 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `"docker" "inspect" "ba5397dd768bcf32e605c1610dfa1d50e7652cf0cff811c64221def8155ead59"`
[INFO] running `"docker" "rm" "-f" "ba5397dd768bcf32e605c1610dfa1d50e7652cf0cff811c64221def8155ead59"`
[INFO] [stdout] ba5397dd768bcf32e605c1610dfa1d50e7652cf0cff811c64221def8155ead59