[INFO] fetching crate twig 0.1.0...
[INFO] testing twig-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate twig 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate twig 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twig 0.1.0
[INFO] finished tweaking crates.io crate twig 0.1.0
[INFO] tweaked toml for crates.io crate twig 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7515d3a3f7b795382549938a682d6584271dc8bf483b2440e592dda615e80ab1
[INFO] running `Command { std: "docker" "start" "-a" "7515d3a3f7b795382549938a682d6584271dc8bf483b2440e592dda615e80ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7515d3a3f7b795382549938a682d6584271dc8bf483b2440e592dda615e80ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7515d3a3f7b795382549938a682d6584271dc8bf483b2440e592dda615e80ab1", kill_on_drop: false }`
[INFO] [stdout] 7515d3a3f7b795382549938a682d6584271dc8bf483b2440e592dda615e80ab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bc70a0df306894e31a41745758ce72718d303478cc3ccacc2c3b082bb36aaa3
[INFO] running `Command { std: "docker" "start" "-a" "1bc70a0df306894e31a41745758ce72718d303478cc3ccacc2c3b082bb36aaa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling little v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling sha1 v0.1.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling twig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     while let Some(token) = try!(parser.maybe_current()) {
[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/nodes/parser/body.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let expr = try!(Expr::parse(parser));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(parser.expect(TokenValueRef::VarEnd));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let token = try!(parser.current());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         try!(parser.next());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let maybe_node = try!(subparser.parse(parser, token));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/module.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let body = try!(Body::parse(parser));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut expr = try!(get_primary(parser));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     try!(parser.next());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     let expr1 = try!(parse_expression(parser, match associativity {
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     token = try!(parser.current());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let token = try!(parser.current());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             try!(parser.next());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let expr = try!(parse_expression(parser, precedence));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(parser.next());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:85:27
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let parsed_expr = try!(parse_expression(parser, 0));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     arguments: try!(parse_unnamed_arguments(parser, false))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 arguments: try!(parse_named_arguments(parser, false))
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     let current_token = try!(parser.current());
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:141:60
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         TokenValueRef::Punctuation('(') => try!(get_function_node(parser, name, token.line)),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:152:33
[INFO] [stdout]     |
[INFO] [stdout] 152 |             ConstRef::Str(_) => try!(parse_string_expression(parser)),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 |         TokenValueRef::InterpolationStart => try!(parse_string_expression(parser)),
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:156:44
[INFO] [stdout]     |
[INFO] [stdout] 156 |         TokenValueRef::Punctuation('[') => try!(parse_array_expression(parser)),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:157:44
[INFO] [stdout]     |
[INFO] [stdout] 157 |         TokenValueRef::Punctuation('{') => try!(parse_hash_expression(parser)),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:195:29
[INFO] [stdout]     |
[INFO] [stdout] 195 |             nodes.push_back(try!(parse_expression(parser, 0)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             try!(parser.expect(TokenValueRef::InterpolationEnd));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('['), TemplateError::ExpectedArrayElement));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:227:21
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let mut token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArrayValueMustBeFollowedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:243:20
[INFO] [stdout]     |
[INFO] [stdout] 243 |         items.push(try!(parse_expression(parser, 0)));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |         token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(']'), TemplateError::ArrayNotClosed));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('{'), TemplateError::ExpectedHashElement));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let mut token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::HashValueMustBeFollowedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:288:17
[INFO] [stdout]     |
[INFO] [stdout] 288 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:296:17
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 try!(parse_expression(parser, 0))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         try!(parser.expect_or_error(TokenValueRef::Punctuation(':'), TemplateError::HashKeyMustBeFollowedByColon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |         let value = try!(parse_expression(parser, 0));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |         token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:311:5
[INFO] [stdout]     |
[INFO] [stdout] 311 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('}'), TemplateError::HashNotClosed));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:322:21
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:325:30
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 '.' | '[' => try!(parse_subscript_expression(parser, node)),
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:326:24
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 '|' => try!(parse_filter_expression(parser, node)),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let mut token = try!(parser.next());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:351:21
[INFO] [stdout]     |
[INFO] [stdout] 351 |             token = try!(parser.next());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:363:29
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:406:12
[INFO] [stdout]     |
[INFO] [stdout] 406 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:408:13
[INFO] [stdout]     |
[INFO] [stdout] 408 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:414:13
[INFO] [stdout]     |
[INFO] [stdout] 414 |             try!(parse_expression(parser, 0))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:423:5
[INFO] [stdout]     |
[INFO] [stdout] 423 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:439:13
[INFO] [stdout]     |
[INFO] [stdout] 439 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:443:24
[INFO] [stdout]     |
[INFO] [stdout] 443 |             let name = try!(parser.expect_name());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:444:25
[INFO] [stdout]     |
[INFO] [stdout] 444 |             let token = try!(parser.current());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:447:14
[INFO] [stdout]     |
[INFO] [stdout] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:447:49
[INFO] [stdout]     |
[INFO] [stdout] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:450:32
[INFO] [stdout]     |
[INFO] [stdout] 450 |         let (name, value) = if try!(parser.skip_to_next_if(TokenValueRef::Operator("="))) {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:451:25
[INFO] [stdout]     |
[INFO] [stdout] 451 |             let token = try!(parser.current());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:463:29
[INFO] [stdout]     |
[INFO] [stdout] 463 |                 let value = try!(parse_primary_expression(parser));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:466:88
[INFO] [stdout]     |
[INFO] [stdout] 466 |                     return Err(TemplateError::DefaultValueForArgumentMustBeConstant.at(try!(parser.current()).line));
[INFO] [stdout]     |                                                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 try!(parse_expression(parser, 0))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:486:36
[INFO] [stdout]     |
[INFO] [stdout] 486 |                     Expr::new_null(try!(parser.current()).line)
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:494:5
[INFO] [stdout]     |
[INFO] [stdout] 494 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:504:11
[INFO] [stdout]     |
[INFO] [stdout] 504 |     while try!(parser.skip_to_next_if(TokenValueRef::Punctuation('?'))) {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:506:17
[INFO] [stdout]     |
[INFO] [stdout] 506 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:507:29
[INFO] [stdout]     |
[INFO] [stdout] 507 |                 let expr2 = try!(parse_expression(parser, 0));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:508:20
[INFO] [stdout]     |
[INFO] [stdout] 508 |                 if try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:509:29
[INFO] [stdout]     |
[INFO] [stdout] 509 |                     (expr2, try!(parse_expression(parser, 0)))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:511:56
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     (expr2, Expr::new_str_constant("", try!(parser.current()).line))
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:514:32
[INFO] [stdout]     |
[INFO] [stdout] 514 |                 (expr.clone(), try!(parse_expression(parser, 0)))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:520:12
[INFO] [stdout]     |
[INFO] [stdout] 520 |         }, try!(parser.current()).line);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         try!(self.next());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/nodes/token_parser.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub extension: Box<TokenParserExtension>,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |                     try!(item.compile(stage));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 let ce = try!(expr.compile(stage));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 try!(ce.finalize(stage));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     try!(nodes.compile(&mut stage));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/template.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     CustomError(Box<ExtensionError>),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/error/engine.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     try!(write!(f, "Template \"{}\" was not found, looked in ", name));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn boxed_clone(&self) -> Box<ExtensionError>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Clone for Box<ExtensionError> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn clone(&self) -> Box<ExtensionError> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<ExtensionError> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/environment/mod.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub handlers: HashMap<&'static str, Box<TokenParserExtension>>,
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `little::Instruction`
[INFO] [stdout]  --> src/extension/core/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use little::Instruction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let name = try!(parser.expect_name());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let arguments = try!(parse_named_arguments(parser, true));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let body = try!(subparse(parser, |token| match token.value {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             try!(parser.next());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         .at(try!(parser.current()).line)
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let macro_expr = try!(parse_expression(parser, 0));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(parser.expect(TokenValueRef::Name("import")));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let name = try!(parser.expect_name());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if try!(parser.skip_to_next_if(TokenValueRef::Name("as"))) {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 alias = try!(parser.expect_name());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_set.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _targets = try!(parse_assignment_expression(parser));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/extension/core/error.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn boxed_clone(&self) -> Box<ExtensionError> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Obj(Rc<RefCell<Object>>),
[INFO] [stdout]    |                    ^^^^^^ help: use `dyn`: `dyn Object`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Func(Rc<for<'r> Fn(&'r [Value]) -> Option<Value> >),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'r> Fn(&'r [Value]) -> Option<Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value/mod.rs:160:64
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     Ok(ops::ParseAsNumericResult::Float(v)) => try!(ops::float_to_int(v)),
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mold/mod.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     next: Box<Fn(T) -> T>,
[INFO] [stdout]    |               ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/engine/mod.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     try!(i.hash_value(hasher));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/engine/mod.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     try!(v.hash_value(hasher));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/engine/mod.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Function<Value>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let compiled_template = try!(self.get_compiled_template(&lexer, name));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let source = try!(self.loader.get_source(name));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let module = try!(parse(&self.env.parsing, &mut tokens));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Ok(try!(compile((), &module)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:282:50
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 TokenValueRef::Text(text_content.trim_right())
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:413:66
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 let op_str = self.code[loc + start .. loc + end].trim_right();
[INFO] [stdout]     |                                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:661:41
[INFO] [stdout]     |
[INFO] [stdout] 661 | ...                   text = text.trim_right()
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nodes/parser/expr.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |       let arg = match token.value {
[INFO] [stdout]     |  _______________-
[INFO] [stdout] 350 | |         TokenValueRef::Punctuation('.') => {
[INFO] [stdout] 351 | |             token = try!(parser.next());
[INFO] [stdout] 352 | |             let arg = match token.value {
[INFO] [stdout] ...   |
[INFO] [stdout] 376 | |         }
[INFO] [stdout] 377 | |     };
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 378 | 
[INFO] [stdout] 379 | /     Ok(Expr::new_at(
[INFO] [stdout] 380 | |         ExprValue::GetAttr {
[INFO] [stdout] 381 | |             node: Box::new(node),
[INFO] [stdout] 382 | |             arg: Box::new(arg),
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | |         line
[INFO] [stdout] 387 | |     ))
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/value/ops.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             match value[starts_at..].trim_right().parse() {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/engine/mod.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     match e.description() {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expect`
[INFO] [stdout]  --> src/nodes/parser/body.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use Expect;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expect`
[INFO] [stdout]  --> src/nodes/parser/expr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use Expect;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/engine/mod.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{ Read, Write };
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `arguments` is assigned to, but never used
[INFO] [stdout]    --> src/nodes/parser/expr.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let mut arguments = Vec::<Expr<'c>>::new();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_arguments` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `call_type` is assigned to, but never used
[INFO] [stdout]    --> src/nodes/parser/expr.rs:347:13
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let mut call_type = ExprCallType::Any;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_call_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let arg = match token.value {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:352:17
[INFO] [stdout]     |
[INFO] [stdout] 352 |             let arg = match token.value {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `call_type` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 call_type = ExprCallType::Method;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `arguments` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `call_type` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             call_type = ExprCallType::Array;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:339:72
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn parse_subscript_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, node: Expr<'c>)
[INFO] [stdout]     |                                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:390:40
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:390:69
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stdout]     |                                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:442:25
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let (name_expr, token) = if definition {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:484:25
[INFO] [stdout]     |
[INFO] [stdout] 484 |                         other => unreachable!("twig bug: expected that expression is a name"),
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/instructions/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn compile(env: (), nodes: &Module) -> Result<Template<Value>> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/instructions/compiler/expr.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stdout]    |                                       ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/instructions/compiler/expr.rs:36:45
[INFO] [stdout]    |
[INFO] [stdout] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/environment/mod.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(config: Config) -> Environment {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `staging`
[INFO] [stdout]   --> src/extension/core/mod.rs:70:63
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Function::new_static("include", vec![Arg::Anon], |staging| {
[INFO] [stdout]    |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staging`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_for.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_for.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_if.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_if.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_extends.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_extends.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_include.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_include.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_block.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_block.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_use.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_use.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_filter.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_filter.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_import.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_import.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_flush.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_flush.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_do.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_do.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_embed.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_embed.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]  --> src/extension/escaper/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn apply(env: &mut Environment) {
[INFO] [stdout]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/engine/mod.rs:139:55
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn get<D: Into<Value>>(&mut self, name: &str, data: D)
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `functions`
[INFO] [stdout]    --> src/engine/mod.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 190 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.56s
[INFO] running `Command { std: "docker" "inspect" "1bc70a0df306894e31a41745758ce72718d303478cc3ccacc2c3b082bb36aaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc70a0df306894e31a41745758ce72718d303478cc3ccacc2c3b082bb36aaa3", kill_on_drop: false }`
[INFO] [stdout] 1bc70a0df306894e31a41745758ce72718d303478cc3ccacc2c3b082bb36aaa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62c7062b145ea574f2342f174dd4c38cd4c596c199fc98240e943230c7d6f02c
[INFO] running `Command { std: "docker" "start" "-a" "62c7062b145ea574f2342f174dd4c38cd4c596c199fc98240e943230c7d6f02c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     while let Some(token) = try!(parser.maybe_current()) {
[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/nodes/parser/body.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let expr = try!(Expr::parse(parser));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(parser.expect(TokenValueRef::VarEnd));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let token = try!(parser.current());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         try!(parser.next());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let maybe_node = try!(subparser.parse(parser, token));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/module.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let body = try!(Body::parse(parser));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut expr = try!(get_primary(parser));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     try!(parser.next());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     let expr1 = try!(parse_expression(parser, match associativity {
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     token = try!(parser.current());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let token = try!(parser.current());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             try!(parser.next());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let expr = try!(parse_expression(parser, precedence));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(parser.next());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:85:27
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let parsed_expr = try!(parse_expression(parser, 0));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     arguments: try!(parse_unnamed_arguments(parser, false))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 arguments: try!(parse_named_arguments(parser, false))
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     let current_token = try!(parser.current());
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:141:60
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         TokenValueRef::Punctuation('(') => try!(get_function_node(parser, name, token.line)),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:152:33
[INFO] [stdout]     |
[INFO] [stdout] 152 |             ConstRef::Str(_) => try!(parse_string_expression(parser)),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 |         TokenValueRef::InterpolationStart => try!(parse_string_expression(parser)),
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:156:44
[INFO] [stdout]     |
[INFO] [stdout] 156 |         TokenValueRef::Punctuation('[') => try!(parse_array_expression(parser)),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:157:44
[INFO] [stdout]     |
[INFO] [stdout] 157 |         TokenValueRef::Punctuation('{') => try!(parse_hash_expression(parser)),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:195:29
[INFO] [stdout]     |
[INFO] [stdout] 195 |             nodes.push_back(try!(parse_expression(parser, 0)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             try!(parser.expect(TokenValueRef::InterpolationEnd));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('['), TemplateError::ExpectedArrayElement));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:227:21
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let mut token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArrayValueMustBeFollowedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:243:20
[INFO] [stdout]     |
[INFO] [stdout] 243 |         items.push(try!(parse_expression(parser, 0)));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |         token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(']'), TemplateError::ArrayNotClosed));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('{'), TemplateError::ExpectedHashElement));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let mut token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::HashValueMustBeFollowedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:288:17
[INFO] [stdout]     |
[INFO] [stdout] 288 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:296:17
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 try!(parse_expression(parser, 0))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         try!(parser.expect_or_error(TokenValueRef::Punctuation(':'), TemplateError::HashKeyMustBeFollowedByColon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |         let value = try!(parse_expression(parser, 0));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |         token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:311:5
[INFO] [stdout]     |
[INFO] [stdout] 311 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('}'), TemplateError::HashNotClosed));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:322:21
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:325:30
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 '.' | '[' => try!(parse_subscript_expression(parser, node)),
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:326:24
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 '|' => try!(parse_filter_expression(parser, node)),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let mut token = try!(parser.next());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:351:21
[INFO] [stdout]     |
[INFO] [stdout] 351 |             token = try!(parser.next());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:363:29
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:406:12
[INFO] [stdout]     |
[INFO] [stdout] 406 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:408:13
[INFO] [stdout]     |
[INFO] [stdout] 408 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:414:13
[INFO] [stdout]     |
[INFO] [stdout] 414 |             try!(parse_expression(parser, 0))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:423:5
[INFO] [stdout]     |
[INFO] [stdout] 423 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:439:13
[INFO] [stdout]     |
[INFO] [stdout] 439 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:443:24
[INFO] [stdout]     |
[INFO] [stdout] 443 |             let name = try!(parser.expect_name());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:444:25
[INFO] [stdout]     |
[INFO] [stdout] 444 |             let token = try!(parser.current());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:447:14
[INFO] [stdout]     |
[INFO] [stdout] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:447:49
[INFO] [stdout]     |
[INFO] [stdout] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:450:32
[INFO] [stdout]     |
[INFO] [stdout] 450 |         let (name, value) = if try!(parser.skip_to_next_if(TokenValueRef::Operator("="))) {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:451:25
[INFO] [stdout]     |
[INFO] [stdout] 451 |             let token = try!(parser.current());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:463:29
[INFO] [stdout]     |
[INFO] [stdout] 463 |                 let value = try!(parse_primary_expression(parser));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:466:88
[INFO] [stdout]     |
[INFO] [stdout] 466 |                     return Err(TemplateError::DefaultValueForArgumentMustBeConstant.at(try!(parser.current()).line));
[INFO] [stdout]     |                                                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 try!(parse_expression(parser, 0))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:486:36
[INFO] [stdout]     |
[INFO] [stdout] 486 |                     Expr::new_null(try!(parser.current()).line)
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:494:5
[INFO] [stdout]     |
[INFO] [stdout] 494 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:504:11
[INFO] [stdout]     |
[INFO] [stdout] 504 |     while try!(parser.skip_to_next_if(TokenValueRef::Punctuation('?'))) {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:506:17
[INFO] [stdout]     |
[INFO] [stdout] 506 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:507:29
[INFO] [stdout]     |
[INFO] [stdout] 507 |                 let expr2 = try!(parse_expression(parser, 0));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:508:20
[INFO] [stdout]     |
[INFO] [stdout] 508 |                 if try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:509:29
[INFO] [stdout]     |
[INFO] [stdout] 509 |                     (expr2, try!(parse_expression(parser, 0)))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:511:56
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     (expr2, Expr::new_str_constant("", try!(parser.current()).line))
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:514:32
[INFO] [stdout]     |
[INFO] [stdout] 514 |                 (expr.clone(), try!(parse_expression(parser, 0)))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:520:12
[INFO] [stdout]     |
[INFO] [stdout] 520 |         }, try!(parser.current()).line);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         try!(self.next());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/nodes/token_parser.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub extension: Box<TokenParserExtension>,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |                     try!(item.compile(stage));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 let ce = try!(expr.compile(stage));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 try!(ce.finalize(stage));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     try!(nodes.compile(&mut stage));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/template.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     CustomError(Box<ExtensionError>),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/error/engine.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     try!(write!(f, "Template \"{}\" was not found, looked in ", name));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn boxed_clone(&self) -> Box<ExtensionError>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Clone for Box<ExtensionError> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn clone(&self) -> Box<ExtensionError> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<ExtensionError> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/environment/mod.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub handlers: HashMap<&'static str, Box<TokenParserExtension>>,
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `little::Instruction`
[INFO] [stdout]  --> src/extension/core/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use little::Instruction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let name = try!(parser.expect_name());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let arguments = try!(parse_named_arguments(parser, true));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let body = try!(subparse(parser, |token| match token.value {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             try!(parser.next());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         .at(try!(parser.current()).line)
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let macro_expr = try!(parse_expression(parser, 0));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(parser.expect(TokenValueRef::Name("import")));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let name = try!(parser.expect_name());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if try!(parser.skip_to_next_if(TokenValueRef::Name("as"))) {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 alias = try!(parser.expect_name());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_set.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _targets = try!(parse_assignment_expression(parser));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/extension/core/error.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn boxed_clone(&self) -> Box<ExtensionError> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Obj(Rc<RefCell<Object>>),
[INFO] [stdout]    |                    ^^^^^^ help: use `dyn`: `dyn Object`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Func(Rc<for<'r> Fn(&'r [Value]) -> Option<Value> >),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'r> Fn(&'r [Value]) -> Option<Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value/mod.rs:160:64
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     Ok(ops::ParseAsNumericResult::Float(v)) => try!(ops::float_to_int(v)),
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mold/mod.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     next: Box<Fn(T) -> T>,
[INFO] [stdout]    |               ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/engine/mod.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     try!(i.hash_value(hasher));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/engine/mod.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     try!(v.hash_value(hasher));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/engine/mod.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Function<Value>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let compiled_template = try!(self.get_compiled_template(&lexer, name));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let source = try!(self.loader.get_source(name));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let module = try!(parse(&self.env.parsing, &mut tokens));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Ok(try!(compile((), &module)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:282:50
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 TokenValueRef::Text(text_content.trim_right())
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:413:66
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 let op_str = self.code[loc + start .. loc + end].trim_right();
[INFO] [stdout]     |                                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:661:41
[INFO] [stdout]     |
[INFO] [stdout] 661 | ...                   text = text.trim_right()
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nodes/parser/expr.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |       let arg = match token.value {
[INFO] [stdout]     |  _______________-
[INFO] [stdout] 350 | |         TokenValueRef::Punctuation('.') => {
[INFO] [stdout] 351 | |             token = try!(parser.next());
[INFO] [stdout] 352 | |             let arg = match token.value {
[INFO] [stdout] ...   |
[INFO] [stdout] 376 | |         }
[INFO] [stdout] 377 | |     };
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 378 | 
[INFO] [stdout] 379 | /     Ok(Expr::new_at(
[INFO] [stdout] 380 | |         ExprValue::GetAttr {
[INFO] [stdout] 381 | |             node: Box::new(node),
[INFO] [stdout] 382 | |             arg: Box::new(arg),
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | |         line
[INFO] [stdout] 387 | |     ))
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/value/ops.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             match value[starts_at..].trim_right().parse() {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/engine/mod.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     match e.description() {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expect`
[INFO] [stdout]  --> src/nodes/parser/body.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use Expect;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expect`
[INFO] [stdout]  --> src/nodes/parser/expr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use Expect;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/engine/mod.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{ Read, Write };
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `arguments` is assigned to, but never used
[INFO] [stdout]    --> src/nodes/parser/expr.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let mut arguments = Vec::<Expr<'c>>::new();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_arguments` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `call_type` is assigned to, but never used
[INFO] [stdout]    --> src/nodes/parser/expr.rs:347:13
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let mut call_type = ExprCallType::Any;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_call_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let arg = match token.value {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:352:17
[INFO] [stdout]     |
[INFO] [stdout] 352 |             let arg = match token.value {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `call_type` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 call_type = ExprCallType::Method;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `arguments` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `call_type` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             call_type = ExprCallType::Array;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:339:72
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn parse_subscript_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, node: Expr<'c>)
[INFO] [stdout]     |                                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:390:40
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:390:69
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stdout]     |                                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:442:25
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let (name_expr, token) = if definition {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:484:25
[INFO] [stdout]     |
[INFO] [stdout] 484 |                         other => unreachable!("twig bug: expected that expression is a name"),
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/instructions/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn compile(env: (), nodes: &Module) -> Result<Template<Value>> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/instructions/compiler/expr.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stdout]    |                                       ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/instructions/compiler/expr.rs:36:45
[INFO] [stdout]    |
[INFO] [stdout] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/environment/mod.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(config: Config) -> Environment {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `staging`
[INFO] [stdout]   --> src/extension/core/mod.rs:70:63
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Function::new_static("include", vec![Arg::Anon], |staging| {
[INFO] [stdout]    |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staging`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_for.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_for.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_if.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_if.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_extends.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_extends.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_include.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_include.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_block.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_block.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_use.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_use.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_filter.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_filter.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_import.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_import.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_flush.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_flush.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_do.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_do.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_embed.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_embed.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]  --> src/extension/escaper/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn apply(env: &mut Environment) {
[INFO] [stdout]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/engine/mod.rs:139:55
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn get<D: Into<Value>>(&mut self, name: &str, data: D)
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `functions`
[INFO] [stdout]    --> src/engine/mod.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 190 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling difference v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling serde_json v0.6.1
[INFO] [stderr]    Compiling twig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/fixture_tests.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use] extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     if try!(fs::metadata(dir)).is_dir() {
[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]    --> tests/fixture_tests.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |             let entry = try!(entry);
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |             if try!(fs::metadata(entry.path())).is_dir() {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 for e in try!(visit_fixtures(&entry.path(), cb)) {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/fixture_tests.rs:103:36
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...isit_fixtures(dir: &Path, cb: &Fn(&DirEntry) -> Option<(String, String, Vec<Difference>)>) -> io::Result<Vec<(String, String, Vec<Diff...
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> Option<(String, String, Vec<Difference>)>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:195:26
[INFO] [stdout]     |
[INFO] [stdout] 195 |                     Some(try!(check_for_new_state(&line).ok_or(FixtureError::ExpectedBlockStart)))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 239 |     try!(write!(t, "fixture "));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     try!(t.attr(term::Attr::Bold));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     try!(write!(t, "{}", message));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     try!(t.reset());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     try!(write!(t, " ... "));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         try!(t.fg(term::color::GREEN));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         try!(writeln!(t, "ok"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         try!(t.fg(term::color::RED));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |         try!(writeln!(t, "ERROR!"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     try!(t.reset());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:266:17
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 try!(t.reset());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:267:17
[INFO] [stdout]     |
[INFO] [stdout] 267 |                 try!(writeln!(t, "  {}", x));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:271:21
[INFO] [stdout]     |
[INFO] [stdout] 271 |                     try!(t.fg(term::color::GREEN));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     try!(writeln!(t, "+ {}", line));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:277:21
[INFO] [stdout]     |
[INFO] [stdout] 277 |                     try!(t.fg(term::color::RED));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:278:21
[INFO] [stdout]     |
[INFO] [stdout] 278 |                     try!(writeln!(t, "- {}", line));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 283 |     try!(t.reset());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> tests/fixture_tests.rs:284:5
[INFO] [stdout]     |
[INFO] [stdout] 284 |     try!(writeln!(t, ""));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |     while let Some(token) = try!(parser.maybe_current()) {
[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/nodes/parser/body.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let expr = try!(Expr::parse(parser));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 try!(parser.expect(TokenValueRef::VarEnd));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let token = try!(parser.current());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         try!(parser.next());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/body.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let maybe_node = try!(subparser.parse(parser, token));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/module.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let body = try!(Body::parse(parser));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut expr = try!(get_primary(parser));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     try!(parser.next());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     let expr1 = try!(parse_expression(parser, match associativity {
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     token = try!(parser.current());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let token = try!(parser.current());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             try!(parser.next());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let expr = try!(parse_expression(parser, precedence));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(parser.next());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodes/parser/expr.rs:85:27
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let parsed_expr = try!(parse_expression(parser, 0));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     arguments: try!(parse_unnamed_arguments(parser, false))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 arguments: try!(parse_named_arguments(parser, false))
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     let current_token = try!(parser.current());
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:141:60
[INFO] [stdout]     |
[INFO] [stdout] 141 |                         TokenValueRef::Punctuation('(') => try!(get_function_node(parser, name, token.line)),
[INFO] [stdout]     |                                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:152:33
[INFO] [stdout]     |
[INFO] [stdout] 152 |             ConstRef::Str(_) => try!(parse_string_expression(parser)),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 |         TokenValueRef::InterpolationStart => try!(parse_string_expression(parser)),
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:156:44
[INFO] [stdout]     |
[INFO] [stdout] 156 |         TokenValueRef::Punctuation('[') => try!(parse_array_expression(parser)),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:157:44
[INFO] [stdout]     |
[INFO] [stdout] 157 |         TokenValueRef::Punctuation('{') => try!(parse_hash_expression(parser)),
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             try!(parser.next());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:195:29
[INFO] [stdout]     |
[INFO] [stdout] 195 |             nodes.push_back(try!(parse_expression(parser, 0)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             try!(parser.expect(TokenValueRef::InterpolationEnd));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('['), TemplateError::ExpectedArrayElement));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:227:21
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let mut token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArrayValueMustBeFollowedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:243:20
[INFO] [stdout]     |
[INFO] [stdout] 243 |         items.push(try!(parse_expression(parser, 0)));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:244:17
[INFO] [stdout]     |
[INFO] [stdout] 244 |         token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:246:5
[INFO] [stdout]     |
[INFO] [stdout] 246 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(']'), TemplateError::ArrayNotClosed));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('{'), TemplateError::ExpectedHashElement));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let mut token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::HashValueMustBeFollowedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:288:17
[INFO] [stdout]     |
[INFO] [stdout] 288 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 try!(parser.next());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:296:17
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 try!(parse_expression(parser, 0))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |         try!(parser.expect_or_error(TokenValueRef::Punctuation(':'), TemplateError::HashKeyMustBeFollowedByColon));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |         let value = try!(parse_expression(parser, 0));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |         token = try!(parser.current());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:311:5
[INFO] [stdout]     |
[INFO] [stdout] 311 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('}'), TemplateError::HashNotClosed));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:322:21
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:325:30
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 '.' | '[' => try!(parse_subscript_expression(parser, node)),
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:326:24
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 '|' => try!(parse_filter_expression(parser, node)),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let mut token = try!(parser.next());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:351:21
[INFO] [stdout]     |
[INFO] [stdout] 351 |             token = try!(parser.next());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |             token = try!(parser.current());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:363:29
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:406:12
[INFO] [stdout]     |
[INFO] [stdout] 406 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:408:13
[INFO] [stdout]     |
[INFO] [stdout] 408 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:414:13
[INFO] [stdout]     |
[INFO] [stdout] 414 |             try!(parse_expression(parser, 0))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:423:5
[INFO] [stdout]     |
[INFO] [stdout] 423 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:439:13
[INFO] [stdout]     |
[INFO] [stdout] 439 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:443:24
[INFO] [stdout]     |
[INFO] [stdout] 443 |             let name = try!(parser.expect_name());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:444:25
[INFO] [stdout]     |
[INFO] [stdout] 444 |             let token = try!(parser.current());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:447:14
[INFO] [stdout]     |
[INFO] [stdout] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:447:49
[INFO] [stdout]     |
[INFO] [stdout] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:450:32
[INFO] [stdout]     |
[INFO] [stdout] 450 |         let (name, value) = if try!(parser.skip_to_next_if(TokenValueRef::Operator("="))) {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:451:25
[INFO] [stdout]     |
[INFO] [stdout] 451 |             let token = try!(parser.current());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:463:29
[INFO] [stdout]     |
[INFO] [stdout] 463 |                 let value = try!(parse_primary_expression(parser));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:466:88
[INFO] [stdout]     |
[INFO] [stdout] 466 |                     return Err(TemplateError::DefaultValueForArgumentMustBeConstant.at(try!(parser.current()).line));
[INFO] [stdout]     |                                                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |                 try!(parse_expression(parser, 0))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:486:36
[INFO] [stdout]     |
[INFO] [stdout] 486 |                     Expr::new_null(try!(parser.current()).line)
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:494:5
[INFO] [stdout]     |
[INFO] [stdout] 494 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:504:11
[INFO] [stdout]     |
[INFO] [stdout] 504 |     while try!(parser.skip_to_next_if(TokenValueRef::Punctuation('?'))) {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:506:17
[INFO] [stdout]     |
[INFO] [stdout] 506 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:507:29
[INFO] [stdout]     |
[INFO] [stdout] 507 |                 let expr2 = try!(parse_expression(parser, 0));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:508:20
[INFO] [stdout]     |
[INFO] [stdout] 508 |                 if try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:509:29
[INFO] [stdout]     |
[INFO] [stdout] 509 |                     (expr2, try!(parse_expression(parser, 0)))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:511:56
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     (expr2, Expr::new_str_constant("", try!(parser.current()).line))
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:514:32
[INFO] [stdout]     |
[INFO] [stdout] 514 |                 (expr.clone(), try!(parse_expression(parser, 0)))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/expr.rs:520:12
[INFO] [stdout]     |
[INFO] [stdout] 520 |         }, try!(parser.current()).line);
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nodes/parser/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         try!(self.next());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/nodes/token_parser.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub extension: Box<TokenParserExtension>,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |                     try!(item.compile(stage));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 let ce = try!(expr.compile(stage));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/compiler/body.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 try!(ce.finalize(stage));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/instructions/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     try!(nodes.compile(&mut stage));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/template.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |     CustomError(Box<ExtensionError>),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/error/engine.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     try!(write!(f, "Template \"{}\" was not found, looked in ", name));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn boxed_clone(&self) -> Box<ExtensionError>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Clone for Box<ExtensionError> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:27:28
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn clone(&self) -> Box<ExtensionError> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<ExtensionError> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/environment/mod.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub handlers: HashMap<&'static str, Box<TokenParserExtension>>,
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `little::Instruction`
[INFO] [stdout]  --> src/extension/core/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use little::Instruction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let name = try!(parser.expect_name());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let arguments = try!(parse_named_arguments(parser, true));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let body = try!(subparse(parser, |token| match token.value {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             try!(parser.next());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         .at(try!(parser.current()).line)
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_macro.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let macro_expr = try!(parse_expression(parser, 0));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         try!(parser.expect(TokenValueRef::Name("import")));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let name = try!(parser.expect_name());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if try!(parser.skip_to_next_if(TokenValueRef::Name("as"))) {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 alias = try!(parser.expect_name());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_from.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_set.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _targets = try!(parse_assignment_expression(parser));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let token = try!(parser.current());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 try!(parser.next());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/extension/core/token_parsers/mod.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/extension/core/error.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn boxed_clone(&self) -> Box<ExtensionError> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Obj(Rc<RefCell<Object>>),
[INFO] [stdout]    |                    ^^^^^^ help: use `dyn`: `dyn Object`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/value/mod.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Func(Rc<for<'r> Fn(&'r [Value]) -> Option<Value> >),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'r> Fn(&'r [Value]) -> Option<Value>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value/mod.rs:160:64
[INFO] [stdout]     |
[INFO] [stdout] 160 |                     Ok(ops::ParseAsNumericResult::Float(v)) => try!(ops::float_to_int(v)),
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value/mod.rs:228:33
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 "x" => self.x = try!(value.int()),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/value/mod.rs:229:33
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 "y" => self.y = try!(value.int()),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mold/mod.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     next: Box<Fn(T) -> T>,
[INFO] [stdout]    |               ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/engine/mod.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                     try!(i.hash_value(hasher));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/engine/mod.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     try!(v.hash_value(hasher));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/engine/mod.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Function<Value>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let compiled_template = try!(self.get_compiled_template(&lexer, name));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:177:22
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let source = try!(self.loader.get_source(name));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:179:22
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let module = try!(parse(&self.env.parsing, &mut tokens));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/engine/mod.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 |         Ok(try!(compile((), &module)))
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:282:50
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 TokenValueRef::Text(text_content.trim_right())
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:413:66
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 let op_str = self.code[loc + start .. loc + end].trim_right();
[INFO] [stdout]     |                                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/tokens/lexer/iter.rs:661:41
[INFO] [stdout]     |
[INFO] [stdout] 661 | ...                   text = text.trim_right()
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nodes/parser/expr.rs:379:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |       let arg = match token.value {
[INFO] [stdout]     |  _______________-
[INFO] [stdout] 350 | |         TokenValueRef::Punctuation('.') => {
[INFO] [stdout] 351 | |             token = try!(parser.next());
[INFO] [stdout] 352 | |             let arg = match token.value {
[INFO] [stdout] ...   |
[INFO] [stdout] 376 | |         }
[INFO] [stdout] 377 | |     };
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 378 | 
[INFO] [stdout] 379 | /     Ok(Expr::new_at(
[INFO] [stdout] 380 | |         ExprValue::GetAttr {
[INFO] [stdout] 381 | |             node: Box::new(node),
[INFO] [stdout] 382 | |             arg: Box::new(arg),
[INFO] [stdout] ...   |
[INFO] [stdout] 386 | |         line
[INFO] [stdout] 387 | |     ))
[INFO] [stdout]     | |______^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/value/ops.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             match value[starts_at..].trim_right().parse() {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/engine/mod.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     match e.description() {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expect`
[INFO] [stdout]  --> src/nodes/parser/body.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use Expect;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expect`
[INFO] [stdout]  --> src/nodes/parser/expr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use Expect;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/engine/mod.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::{ Read, Write };
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `arguments` is assigned to, but never used
[INFO] [stdout]    --> src/nodes/parser/expr.rs:346:13
[INFO] [stdout]     |
[INFO] [stdout] 346 |     let mut arguments = Vec::<Expr<'c>>::new();
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_arguments` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `call_type` is assigned to, but never used
[INFO] [stdout]    --> src/nodes/parser/expr.rs:347:13
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let mut call_type = ExprCallType::Any;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_call_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let arg = match token.value {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:352:17
[INFO] [stdout]     |
[INFO] [stdout] 352 |             let arg = match token.value {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `call_type` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 call_type = ExprCallType::Method;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `arguments` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `call_type` is never read
[INFO] [stdout]    --> src/nodes/parser/expr.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |             call_type = ExprCallType::Array;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:339:72
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn parse_subscript_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, node: Expr<'c>)
[INFO] [stdout]     |                                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:390:40
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:390:69
[INFO] [stdout]     |
[INFO] [stdout] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stdout]     |                                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:442:25
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let (name_expr, token) = if definition {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/nodes/parser/expr.rs:484:25
[INFO] [stdout]     |
[INFO] [stdout] 484 |                         other => unreachable!("twig bug: expected that expression is a name"),
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/instructions/mod.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn compile(env: (), nodes: &Module) -> Result<Template<Value>> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/instructions/compiler/expr.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stdout]    |                                       ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> src/instructions/compiler/expr.rs:36:45
[INFO] [stdout]    |
[INFO] [stdout] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/environment/mod.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new(config: Config) -> Environment {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `staging`
[INFO] [stdout]   --> src/extension/core/mod.rs:70:63
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Function::new_static("include", vec![Arg::Anon], |staging| {
[INFO] [stdout]    |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staging`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_for.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_for.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_if.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_if.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_extends.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_extends.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_include.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_include.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_block.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_block.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_use.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_use.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_filter.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_filter.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_import.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_import.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_flush.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_flush.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_do.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_do.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_embed.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/extension/core/token_parsers/parser_embed.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]  --> src/extension/escaper/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn apply(env: &mut Environment) {
[INFO] [stdout]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/engine/mod.rs:139:55
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn get<D: Into<Value>>(&mut self, name: &str, data: D)
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `functions`
[INFO] [stdout]    --> src/engine/mod.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/value/ops.rs:253:41
[INFO] [stdout]     |
[INFO] [stdout] 253 |         assert!(a > b - e && a < b + e, format!("expected floats {:?} and {:?} to be equal", a, b));
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 253 |         assert!(a > b - e && a < b + e, "expected floats {:?} and {:?} to be equal", a, b);
[INFO] [stdout]     |                                        --                                               --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `e` should have an upper case name
[INFO] [stdout]    --> src/value/ops.rs:252:15
[INFO] [stdout]     |
[INFO] [stdout] 252 |         const e: f64 = 0.0000001;
[INFO] [stdout]     |               ^ help: convert the identifier to upper case: `E`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/value/mod.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         point.set("x", Value::Int(42));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/value/mod.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         point.set("y", Value::Int(43));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/value/mod.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         point.set("x", Value::Str("48".into()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 197 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.31s
[INFO] running `Command { std: "docker" "inspect" "62c7062b145ea574f2342f174dd4c38cd4c596c199fc98240e943230c7d6f02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c7062b145ea574f2342f174dd4c38cd4c596c199fc98240e943230c7d6f02c", kill_on_drop: false }`
[INFO] [stdout] 62c7062b145ea574f2342f174dd4c38cd4c596c199fc98240e943230c7d6f02c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1a2a63cb18018c3f670c77192bde10d27aa6d3d9022e394ad64ff42d30c9a00
[INFO] running `Command { std: "docker" "start" "-a" "a1a2a63cb18018c3f670c77192bde10d27aa6d3d9022e394ad64ff42d30c9a00", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |     while let Some(token) = try!(parser.maybe_current()) {
[INFO] [stderr]    |                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let expr = try!(Expr::parse(parser));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(parser.expect(TokenValueRef::VarEnd));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let token = try!(parser.current());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 |                         try!(parser.next());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 let maybe_node = try!(subparser.parse(parser, token));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/module.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let body = try!(Body::parse(parser));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut expr = try!(get_primary(parser));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut token = try!(parser.current());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     try!(parser.next());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |                     let expr1 = try!(parse_expression(parser, match associativity {
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     token = try!(parser.current());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let token = try!(parser.current());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(parser.next());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let expr = try!(parse_expression(parser, precedence));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(parser.next());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let parsed_expr = try!(parse_expression(parser, 0));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |                     arguments: try!(parse_unnamed_arguments(parser, false))
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:116:28
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 arguments: try!(parse_named_arguments(parser, false))
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let token = try!(parser.current());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             try!(parser.next());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:139:41
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     let current_token = try!(parser.current());
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:141:60
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         TokenValueRef::Punctuation('(') => try!(get_function_node(parser, name, token.line)),
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:152:33
[INFO] [stderr]     |
[INFO] [stderr] 152 |             ConstRef::Str(_) => try!(parse_string_expression(parser)),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:154:46
[INFO] [stderr]     |
[INFO] [stderr] 154 |         TokenValueRef::InterpolationStart => try!(parse_string_expression(parser)),
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:156:44
[INFO] [stderr]     |
[INFO] [stderr] 156 |         TokenValueRef::Punctuation('[') => try!(parse_array_expression(parser)),
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:157:44
[INFO] [stderr]     |
[INFO] [stderr] 157 |         TokenValueRef::Punctuation('{') => try!(parse_hash_expression(parser)),
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |             try!(parser.next());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(parser.next());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:195:29
[INFO] [stderr]     |
[INFO] [stderr] 195 |             nodes.push_back(try!(parse_expression(parser, 0)));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(parser.expect(TokenValueRef::InterpolationEnd));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('['), TemplateError::ExpectedArrayElement));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:227:21
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let mut token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArrayValueMustBeFollowedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |             token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:243:20
[INFO] [stderr]     |
[INFO] [stderr] 243 |         items.push(try!(parse_expression(parser, 0)));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:244:17
[INFO] [stderr]     |
[INFO] [stderr] 244 |         token = try!(parser.current());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(']'), TemplateError::ArrayNotClosed));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('{'), TemplateError::ExpectedHashElement));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let mut token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::HashValueMustBeFollowedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:267:21
[INFO] [stderr]     |
[INFO] [stderr] 267 |             token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:292:17
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:296:17
[INFO] [stderr]     |
[INFO] [stderr] 296 |                 try!(parse_expression(parser, 0))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |         try!(parser.expect_or_error(TokenValueRef::Punctuation(':'), TemplateError::HashKeyMustBeFollowedByColon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:306:21
[INFO] [stderr]     |
[INFO] [stderr] 306 |         let value = try!(parse_expression(parser, 0));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |         token = try!(parser.current());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:311:5
[INFO] [stderr]     |
[INFO] [stderr] 311 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('}'), TemplateError::HashNotClosed));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:322:21
[INFO] [stderr]     |
[INFO] [stderr] 322 |         let token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 '.' | '[' => try!(parse_subscript_expression(parser, node)),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:326:24
[INFO] [stderr]     |
[INFO] [stderr] 326 |                 '|' => try!(parse_filter_expression(parser, node)),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:344:21
[INFO] [stderr]     |
[INFO] [stderr] 344 |     let mut token = try!(parser.next());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:351:21
[INFO] [stderr]     |
[INFO] [stderr] 351 |             token = try!(parser.next());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:360:21
[INFO] [stderr]     |
[INFO] [stderr] 360 |             token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:363:29
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:404:5
[INFO] [stderr]     |
[INFO] [stderr] 404 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:406:12
[INFO] [stderr]     |
[INFO] [stderr] 406 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:408:13
[INFO] [stderr]     |
[INFO] [stderr] 408 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:414:13
[INFO] [stderr]     |
[INFO] [stderr] 414 |             try!(parse_expression(parser, 0))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:435:5
[INFO] [stderr]     |
[INFO] [stderr] 435 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:437:12
[INFO] [stderr]     |
[INFO] [stderr] 437 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:443:24
[INFO] [stderr]     |
[INFO] [stderr] 443 |             let name = try!(parser.expect_name());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:444:25
[INFO] [stderr]     |
[INFO] [stderr] 444 |             let token = try!(parser.current());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:447:14
[INFO] [stderr]     |
[INFO] [stderr] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:447:49
[INFO] [stderr]     |
[INFO] [stderr] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:450:32
[INFO] [stderr]     |
[INFO] [stderr] 450 |         let (name, value) = if try!(parser.skip_to_next_if(TokenValueRef::Operator("="))) {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:451:25
[INFO] [stderr]     |
[INFO] [stderr] 451 |             let token = try!(parser.current());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:463:29
[INFO] [stderr]     |
[INFO] [stderr] 463 |                 let value = try!(parse_primary_expression(parser));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:466:88
[INFO] [stderr]     |
[INFO] [stderr] 466 |                     return Err(TemplateError::DefaultValueForArgumentMustBeConstant.at(try!(parser.current()).line));
[INFO] [stderr]     |                                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:471:17
[INFO] [stderr]     |
[INFO] [stderr] 471 |                 try!(parse_expression(parser, 0))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:486:36
[INFO] [stderr]     |
[INFO] [stderr] 486 |                     Expr::new_null(try!(parser.current()).line)
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:494:5
[INFO] [stderr]     |
[INFO] [stderr] 494 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:504:11
[INFO] [stderr]     |
[INFO] [stderr] 504 |     while try!(parser.skip_to_next_if(TokenValueRef::Punctuation('?'))) {
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:506:17
[INFO] [stderr]     |
[INFO] [stderr] 506 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:507:29
[INFO] [stderr]     |
[INFO] [stderr] 507 |                 let expr2 = try!(parse_expression(parser, 0));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:508:20
[INFO] [stderr]     |
[INFO] [stderr] 508 |                 if try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:509:29
[INFO] [stderr]     |
[INFO] [stderr] 509 |                     (expr2, try!(parse_expression(parser, 0)))
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:511:56
[INFO] [stderr]     |
[INFO] [stderr] 511 |                     (expr2, Expr::new_str_constant("", try!(parser.current()).line))
[INFO] [stderr]     |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:514:32
[INFO] [stderr]     |
[INFO] [stderr] 514 |                 (expr.clone(), try!(parse_expression(parser, 0)))
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:520:12
[INFO] [stderr]     |
[INFO] [stderr] 520 |         }, try!(parser.current()).line);
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/mod.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         try!(self.next());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/nodes/token_parser.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub extension: Box<TokenParserExtension>,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/compiler/body.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |                     try!(item.compile(stage));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/compiler/body.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 let ce = try!(expr.compile(stage));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/compiler/body.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 try!(ce.finalize(stage));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     try!(nodes.compile(&mut stage));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/template.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |     CustomError(Box<ExtensionError>),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/error/engine.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     try!(write!(f, "Template \"{}\" was not found, looked in ", name));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn boxed_clone(&self) -> Box<ExtensionError>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Clone for Box<ExtensionError> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn clone(&self) -> Box<ExtensionError> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl fmt::Debug for Box<ExtensionError> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/environment/mod.rs:112:45
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub handlers: HashMap<&'static str, Box<TokenParserExtension>>,
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `little::Instruction`
[INFO] [stderr]  --> src/extension/core/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use little::Instruction;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let name = try!(parser.expect_name());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let arguments = try!(parse_named_arguments(parser, true));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let body = try!(subparse(parser, |token| match token.value {
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let token = try!(parser.current());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             try!(parser.next());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         .at(try!(parser.current()).line)
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let macro_expr = try!(parse_expression(parser, 0));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(parser.expect(TokenValueRef::Name("import")));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |             let name = try!(parser.expect_name());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |             if try!(parser.skip_to_next_if(TokenValueRef::Name("as"))) {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 alias = try!(parser.expect_name());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_set.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let _targets = try!(parse_assignment_expression(parser));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/mod.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let token = try!(parser.current());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/mod.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/mod.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/extension/core/error.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn boxed_clone(&self) -> Box<ExtensionError> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/value/mod.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Obj(Rc<RefCell<Object>>),
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn Object`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/value/mod.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Func(Rc<for<'r> Fn(&'r [Value]) -> Option<Value> >),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'r> Fn(&'r [Value]) -> Option<Value>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/value/mod.rs:160:64
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     Ok(ops::ParseAsNumericResult::Float(v)) => try!(ops::float_to_int(v)),
[INFO] [stderr]     |                                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mold/mod.rs:89:15
[INFO] [stderr]    |
[INFO] [stderr] 89 |     next: Box<Fn(T) -> T>,
[INFO] [stderr]    |               ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/engine/mod.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     try!(i.hash_value(hasher));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/engine/mod.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     try!(v.hash_value(hasher));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engine/mod.rs:122:42
[INFO] [stderr]     |
[INFO] [stderr] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Function<Value>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:144:33
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let compiled_template = try!(self.get_compiled_template(&lexer, name));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:177:22
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let source = try!(self.loader.get_source(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:179:22
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let module = try!(parse(&self.env.parsing, &mut tokens));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Ok(try!(compile((), &module)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/tokens/lexer/iter.rs:282:50
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 TokenValueRef::Text(text_content.trim_right())
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/tokens/lexer/iter.rs:413:66
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 let op_str = self.code[loc + start .. loc + end].trim_right();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/tokens/lexer/iter.rs:661:41
[INFO] [stderr]     |
[INFO] [stderr] 661 | ...                   text = text.trim_right()
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nodes/parser/expr.rs:379:5
[INFO] [stderr]     |
[INFO] [stderr] 349 |       let arg = match token.value {
[INFO] [stderr]     |  _______________-
[INFO] [stderr] 350 | |         TokenValueRef::Punctuation('.') => {
[INFO] [stderr] 351 | |             token = try!(parser.next());
[INFO] [stderr] 352 | |             let arg = match token.value {
[INFO] [stderr] ...   |
[INFO] [stderr] 376 | |         }
[INFO] [stderr] 377 | |     };
[INFO] [stderr]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 378 | 
[INFO] [stderr] 379 | /     Ok(Expr::new_at(
[INFO] [stderr] 380 | |         ExprValue::GetAttr {
[INFO] [stderr] 381 | |             node: Box::new(node),
[INFO] [stderr] 382 | |             arg: Box::new(arg),
[INFO] [stderr] ...   |
[INFO] [stderr] 386 | |         line
[INFO] [stderr] 387 | |     ))
[INFO] [stderr]     | |______^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/value/ops.rs:130:38
[INFO] [stderr]     |
[INFO] [stderr] 130 |             match value[starts_at..].trim_right().parse() {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/engine/mod.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     match e.description() {
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expect`
[INFO] [stderr]  --> src/nodes/parser/body.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Expect;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expect`
[INFO] [stderr]  --> src/nodes/parser/expr.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use Expect;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/engine/mod.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::{ Read, Write };
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `arguments` is assigned to, but never used
[INFO] [stderr]    --> src/nodes/parser/expr.rs:346:13
[INFO] [stderr]     |
[INFO] [stderr] 346 |     let mut arguments = Vec::<Expr<'c>>::new();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_arguments` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `call_type` is assigned to, but never used
[INFO] [stderr]    --> src/nodes/parser/expr.rs:347:13
[INFO] [stderr]     |
[INFO] [stderr] 347 |     let mut call_type = ExprCallType::Any;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_call_type` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:349:9
[INFO] [stderr]     |
[INFO] [stderr] 349 |     let arg = match token.value {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |             let arg = match token.value {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `call_type` is never read
[INFO] [stderr]    --> src/nodes/parser/expr.rs:362:17
[INFO] [stderr]     |
[INFO] [stderr] 362 |                 call_type = ExprCallType::Method;
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `arguments` is never read
[INFO] [stderr]    --> src/nodes/parser/expr.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `call_type` is never read
[INFO] [stderr]    --> src/nodes/parser/expr.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             call_type = ExprCallType::Array;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:339:72
[INFO] [stderr]     |
[INFO] [stderr] 339 | pub fn parse_subscript_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, node: Expr<'c>)
[INFO] [stderr]     |                                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:390:40
[INFO] [stderr]     |
[INFO] [stderr] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stderr]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:390:69
[INFO] [stderr]     |
[INFO] [stderr] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stderr]     |                                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:442:25
[INFO] [stderr]     |
[INFO] [stderr] 442 |         let (name_expr, token) = if definition {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:484:25
[INFO] [stderr]     |
[INFO] [stderr] 484 |                         other => unreachable!("twig bug: expected that expression is a name"),
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> src/instructions/mod.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn compile(env: (), nodes: &Module) -> Result<Template<Value>> {
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/instructions/compiler/expr.rs:36:39
[INFO] [stderr]    |
[INFO] [stderr] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stderr]    |                                       ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arguments`
[INFO] [stderr]   --> src/instructions/compiler/expr.rs:36:45
[INFO] [stderr]    |
[INFO] [stderr] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/environment/mod.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(config: Config) -> Environment {
[INFO] [stderr]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `staging`
[INFO] [stderr]   --> src/extension/core/mod.rs:70:63
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Function::new_static("include", vec![Arg::Anon], |staging| {
[INFO] [stderr]    |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staging`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_for.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_for.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_if.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_if.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_extends.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_extends.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_include.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_include.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_block.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_block.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_use.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_use.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_filter.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_filter.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_import.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_import.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_flush.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_flush.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_do.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_do.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_embed.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_embed.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]  --> src/extension/escaper/mod.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn apply(env: &mut Environment) {
[INFO] [stderr]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/engine/mod.rs:139:55
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn get<D: Into<Value>>(&mut self, name: &str, data: D)
[INFO] [stderr]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `functions`
[INFO] [stderr]    --> src/engine/mod.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 190 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |     while let Some(token) = try!(parser.maybe_current()) {
[INFO] [stderr]    |                             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let expr = try!(Expr::parse(parser));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 try!(parser.expect(TokenValueRef::VarEnd));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let token = try!(parser.current());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 |                         try!(parser.next());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/body.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 let maybe_node = try!(subparser.parse(parser, token));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/module.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let body = try!(Body::parse(parser));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut expr = try!(get_primary(parser));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut token = try!(parser.current());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     try!(parser.next());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |                     let expr1 = try!(parse_expression(parser, match associativity {
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     token = try!(parser.current());
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let token = try!(parser.current());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(parser.next());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let expr = try!(parse_expression(parser, precedence));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(parser.next());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodes/parser/expr.rs:85:27
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let parsed_expr = try!(parse_expression(parser, 0));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:110:32
[INFO] [stderr]     |
[INFO] [stderr] 110 |                     arguments: try!(parse_unnamed_arguments(parser, false))
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:116:28
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 arguments: try!(parse_named_arguments(parser, false))
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let token = try!(parser.current());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             try!(parser.next());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:139:41
[INFO] [stderr]     |
[INFO] [stderr] 139 |                     let current_token = try!(parser.current());
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:141:60
[INFO] [stderr]     |
[INFO] [stderr] 141 |                         TokenValueRef::Punctuation('(') => try!(get_function_node(parser, name, token.line)),
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:152:33
[INFO] [stderr]     |
[INFO] [stderr] 152 |             ConstRef::Str(_) => try!(parse_string_expression(parser)),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:154:46
[INFO] [stderr]     |
[INFO] [stderr] 154 |         TokenValueRef::InterpolationStart => try!(parse_string_expression(parser)),
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:156:44
[INFO] [stderr]     |
[INFO] [stderr] 156 |         TokenValueRef::Punctuation('[') => try!(parse_array_expression(parser)),
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:157:44
[INFO] [stderr]     |
[INFO] [stderr] 157 |         TokenValueRef::Punctuation('{') => try!(parse_hash_expression(parser)),
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:187:13
[INFO] [stderr]     |
[INFO] [stderr] 187 |             try!(parser.next());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |             try!(parser.next());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:195:29
[INFO] [stderr]     |
[INFO] [stderr] 195 |             nodes.push_back(try!(parse_expression(parser, 0)));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(parser.expect(TokenValueRef::InterpolationEnd));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('['), TemplateError::ExpectedArrayElement));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:227:21
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let mut token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArrayValueMustBeFollowedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |             token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:243:20
[INFO] [stderr]     |
[INFO] [stderr] 243 |         items.push(try!(parse_expression(parser, 0)));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:244:17
[INFO] [stderr]     |
[INFO] [stderr] 244 |         token = try!(parser.current());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(']'), TemplateError::ArrayNotClosed));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('{'), TemplateError::ExpectedHashElement));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let mut token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::HashValueMustBeFollowedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:267:21
[INFO] [stderr]     |
[INFO] [stderr] 267 |             token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:292:17
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 try!(parser.next());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:296:17
[INFO] [stderr]     |
[INFO] [stderr] 296 |                 try!(parse_expression(parser, 0))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |         try!(parser.expect_or_error(TokenValueRef::Punctuation(':'), TemplateError::HashKeyMustBeFollowedByColon));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:306:21
[INFO] [stderr]     |
[INFO] [stderr] 306 |         let value = try!(parse_expression(parser, 0));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:307:17
[INFO] [stderr]     |
[INFO] [stderr] 307 |         token = try!(parser.current());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:311:5
[INFO] [stderr]     |
[INFO] [stderr] 311 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('}'), TemplateError::HashNotClosed));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:322:21
[INFO] [stderr]     |
[INFO] [stderr] 322 |         let token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:325:30
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 '.' | '[' => try!(parse_subscript_expression(parser, node)),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:326:24
[INFO] [stderr]     |
[INFO] [stderr] 326 |                 '|' => try!(parse_filter_expression(parser, node)),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:344:21
[INFO] [stderr]     |
[INFO] [stderr] 344 |     let mut token = try!(parser.next());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:351:21
[INFO] [stderr]     |
[INFO] [stderr] 351 |             token = try!(parser.next());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:360:21
[INFO] [stderr]     |
[INFO] [stderr] 360 |             token = try!(parser.current());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:363:29
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:404:5
[INFO] [stderr]     |
[INFO] [stderr] 404 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:406:12
[INFO] [stderr]     |
[INFO] [stderr] 406 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:408:13
[INFO] [stderr]     |
[INFO] [stderr] 408 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:414:13
[INFO] [stderr]     |
[INFO] [stderr] 414 |             try!(parse_expression(parser, 0))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:435:5
[INFO] [stderr]     |
[INFO] [stderr] 435 |     try!(parser.expect_or_error(TokenValueRef::Punctuation('('), TemplateError::ListOfArgumentsMustBeginWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:437:12
[INFO] [stderr]     |
[INFO] [stderr] 437 |     while !try!(parser.test(TokenValueRef::Punctuation(')'))) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:439:13
[INFO] [stderr]     |
[INFO] [stderr] 439 |             try!(parser.expect_or_error(TokenValueRef::Punctuation(','), TemplateError::ArgumentsMustBeSeparatedByComma));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:443:24
[INFO] [stderr]     |
[INFO] [stderr] 443 |             let name = try!(parser.expect_name());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:444:25
[INFO] [stderr]     |
[INFO] [stderr] 444 |             let token = try!(parser.current());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:447:14
[INFO] [stderr]     |
[INFO] [stderr] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:447:49
[INFO] [stderr]     |
[INFO] [stderr] 447 |             (try!(parse_expression(parser, 0)), try!(parser.current()))
[INFO] [stderr]     |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:450:32
[INFO] [stderr]     |
[INFO] [stderr] 450 |         let (name, value) = if try!(parser.skip_to_next_if(TokenValueRef::Operator("="))) {
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:451:25
[INFO] [stderr]     |
[INFO] [stderr] 451 |             let token = try!(parser.current());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:463:29
[INFO] [stderr]     |
[INFO] [stderr] 463 |                 let value = try!(parse_primary_expression(parser));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:466:88
[INFO] [stderr]     |
[INFO] [stderr] 466 |                     return Err(TemplateError::DefaultValueForArgumentMustBeConstant.at(try!(parser.current()).line));
[INFO] [stderr]     |                                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:471:17
[INFO] [stderr]     |
[INFO] [stderr] 471 |                 try!(parse_expression(parser, 0))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:486:36
[INFO] [stderr]     |
[INFO] [stderr] 486 |                     Expr::new_null(try!(parser.current()).line)
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:494:5
[INFO] [stderr]     |
[INFO] [stderr] 494 |     try!(parser.expect_or_error(TokenValueRef::Punctuation(')'), TemplateError::ListOfArgumentsMustCloseWithParenthesis));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:504:11
[INFO] [stderr]     |
[INFO] [stderr] 504 |     while try!(parser.skip_to_next_if(TokenValueRef::Punctuation('?'))) {
[INFO] [stderr]     |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:506:17
[INFO] [stderr]     |
[INFO] [stderr] 506 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:507:29
[INFO] [stderr]     |
[INFO] [stderr] 507 |                 let expr2 = try!(parse_expression(parser, 0));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:508:20
[INFO] [stderr]     |
[INFO] [stderr] 508 |                 if try!(parser.skip_to_next_if(TokenValueRef::Punctuation(':'))) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:509:29
[INFO] [stderr]     |
[INFO] [stderr] 509 |                     (expr2, try!(parse_expression(parser, 0)))
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:511:56
[INFO] [stderr]     |
[INFO] [stderr] 511 |                     (expr2, Expr::new_str_constant("", try!(parser.current()).line))
[INFO] [stderr]     |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:514:32
[INFO] [stderr]     |
[INFO] [stderr] 514 |                 (expr.clone(), try!(parse_expression(parser, 0)))
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/expr.rs:520:12
[INFO] [stderr]     |
[INFO] [stderr] 520 |         }, try!(parser.current()).line);
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nodes/parser/mod.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         try!(self.next());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/nodes/token_parser.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub extension: Box<TokenParserExtension>,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/compiler/body.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |                     try!(item.compile(stage));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/compiler/body.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 let ce = try!(expr.compile(stage));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/compiler/body.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 try!(ce.finalize(stage));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/instructions/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     try!(nodes.compile(&mut stage));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/template.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |     CustomError(Box<ExtensionError>),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/error/engine.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     try!(write!(f, "Template \"{}\" was not found, looked in ", name));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn boxed_clone(&self) -> Box<ExtensionError>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Clone for Box<ExtensionError> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn clone(&self) -> Box<ExtensionError> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl fmt::Debug for Box<ExtensionError> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/environment/mod.rs:112:45
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub handlers: HashMap<&'static str, Box<TokenParserExtension>>,
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TokenParserExtension`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `little::Instruction`
[INFO] [stderr]  --> src/extension/core/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use little::Instruction;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let name = try!(parser.expect_name());
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let arguments = try!(parse_named_arguments(parser, true));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let body = try!(subparse(parser, |token| match token.value {
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let token = try!(parser.current());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             try!(parser.next());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         .at(try!(parser.current()).line)
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_macro.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let macro_expr = try!(parse_expression(parser, 0));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         try!(parser.expect(TokenValueRef::Name("import")));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |             let name = try!(parser.expect_name());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |             if try!(parser.skip_to_next_if(TokenValueRef::Name("as"))) {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 alias = try!(parser.expect_name());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_from.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(parser.expect(TokenValueRef::BlockEnd));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_set.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let _targets = try!(parse_assignment_expression(parser));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/mod.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let token = try!(parser.current());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/mod.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 try!(parser.next());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/extension/core/token_parsers/mod.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         if !try!(parser.skip_to_next_if(TokenValueRef::Punctuation(','))) {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/extension/core/error.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn boxed_clone(&self) -> Box<ExtensionError> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionError`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'e> Fn(&'e [Value]) -> RuntimeResult<Value>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'c> Fn(&mut Staging<'c, Value>) -> TemplateResult<CompiledExpression>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/value/mod.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Obj(Rc<RefCell<Object>>),
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn Object`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/value/mod.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Func(Rc<for<'r> Fn(&'r [Value]) -> Option<Value> >),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'r> Fn(&'r [Value]) -> Option<Value>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/value/mod.rs:160:64
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     Ok(ops::ParseAsNumericResult::Float(v)) => try!(ops::float_to_int(v)),
[INFO] [stderr]     |                                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/value/mod.rs:228:33
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 "x" => self.x = try!(value.int()),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/value/mod.rs:229:33
[INFO] [stderr]     |
[INFO] [stderr] 229 |                 "y" => self.y = try!(value.int()),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mold/mod.rs:89:15
[INFO] [stderr]    |
[INFO] [stderr] 89 |     next: Box<Fn(T) -> T>,
[INFO] [stderr]    |               ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/engine/mod.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     try!(i.hash_value(hasher));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/engine/mod.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     try!(v.hash_value(hasher));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/engine/mod.rs:122:42
[INFO] [stderr]     |
[INFO] [stderr] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Function<Value>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:144:33
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let compiled_template = try!(self.get_compiled_template(&lexer, name));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:177:22
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let source = try!(self.loader.get_source(name));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:179:22
[INFO] [stderr]     |
[INFO] [stderr] 179 |         let module = try!(parse(&self.env.parsing, &mut tokens));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/engine/mod.rs:180:12
[INFO] [stderr]     |
[INFO] [stderr] 180 |         Ok(try!(compile((), &module)))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/tokens/lexer/iter.rs:282:50
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 TokenValueRef::Text(text_content.trim_right())
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/tokens/lexer/iter.rs:413:66
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 let op_str = self.code[loc + start .. loc + end].trim_right();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/tokens/lexer/iter.rs:661:41
[INFO] [stderr]     |
[INFO] [stderr] 661 | ...                   text = text.trim_right()
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nodes/parser/expr.rs:379:5
[INFO] [stderr]     |
[INFO] [stderr] 349 |       let arg = match token.value {
[INFO] [stderr]     |  _______________-
[INFO] [stderr] 350 | |         TokenValueRef::Punctuation('.') => {
[INFO] [stderr] 351 | |             token = try!(parser.next());
[INFO] [stderr] 352 | |             let arg = match token.value {
[INFO] [stderr] ...   |
[INFO] [stderr] 376 | |         }
[INFO] [stderr] 377 | |     };
[INFO] [stderr]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 378 | 
[INFO] [stderr] 379 | /     Ok(Expr::new_at(
[INFO] [stderr] 380 | |         ExprValue::GetAttr {
[INFO] [stderr] 381 | |             node: Box::new(node),
[INFO] [stderr] 382 | |             arg: Box::new(arg),
[INFO] [stderr] ...   |
[INFO] [stderr] 386 | |         line
[INFO] [stderr] 387 | |     ))
[INFO] [stderr]     | |______^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/value/ops.rs:130:38
[INFO] [stderr]     |
[INFO] [stderr] 130 |             match value[starts_at..].trim_right().parse() {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/engine/mod.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     match e.description() {
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expect`
[INFO] [stderr]  --> src/nodes/parser/body.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use Expect;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expect`
[INFO] [stderr]  --> src/nodes/parser/expr.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use Expect;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/engine/mod.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::{ Read, Write };
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `arguments` is assigned to, but never used
[INFO] [stderr]    --> src/nodes/parser/expr.rs:346:13
[INFO] [stderr]     |
[INFO] [stderr] 346 |     let mut arguments = Vec::<Expr<'c>>::new();
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_arguments` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `call_type` is assigned to, but never used
[INFO] [stderr]    --> src/nodes/parser/expr.rs:347:13
[INFO] [stderr]     |
[INFO] [stderr] 347 |     let mut call_type = ExprCallType::Any;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_call_type` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:349:9
[INFO] [stderr]     |
[INFO] [stderr] 349 |     let arg = match token.value {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:352:17
[INFO] [stderr]     |
[INFO] [stderr] 352 |             let arg = match token.value {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `call_type` is never read
[INFO] [stderr]    --> src/nodes/parser/expr.rs:362:17
[INFO] [stderr]     |
[INFO] [stderr] 362 |                 call_type = ExprCallType::Method;
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `arguments` is never read
[INFO] [stderr]    --> src/nodes/parser/expr.rs:363:17
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 arguments = try!(parse_unnamed_arguments(parser, false));
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `call_type` is never read
[INFO] [stderr]    --> src/nodes/parser/expr.rs:373:13
[INFO] [stderr]     |
[INFO] [stderr] 373 |             call_type = ExprCallType::Array;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:339:72
[INFO] [stderr]     |
[INFO] [stderr] 339 | pub fn parse_subscript_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, node: Expr<'c>)
[INFO] [stderr]     |                                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:390:40
[INFO] [stderr]     |
[INFO] [stderr] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stderr]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:390:69
[INFO] [stderr]     |
[INFO] [stderr] 390 | pub fn parse_filter_expression<'p, 'c>(parser: &mut Parser<'p, 'c>, expr: Expr<'c>)
[INFO] [stderr]     |                                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:442:25
[INFO] [stderr]     |
[INFO] [stderr] 442 |         let (name_expr, token) = if definition {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/nodes/parser/expr.rs:484:25
[INFO] [stderr]     |
[INFO] [stderr] 484 |                         other => unreachable!("twig bug: expected that expression is a name"),
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> src/instructions/mod.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn compile(env: (), nodes: &Module) -> Result<Template<Value>> {
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/instructions/compiler/expr.rs:36:39
[INFO] [stderr]    |
[INFO] [stderr] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stderr]    |                                       ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arguments`
[INFO] [stderr]   --> src/instructions/compiler/expr.rs:36:45
[INFO] [stderr]    |
[INFO] [stderr] 36 |             ExprValue::FunctionCall { name, ref arguments } => {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/environment/mod.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(config: Config) -> Environment {
[INFO] [stderr]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `staging`
[INFO] [stderr]   --> src/extension/core/mod.rs:70:63
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Function::new_static("include", vec![Arg::Anon], |staging| {
[INFO] [stderr]    |                                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staging`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_for.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_for.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_if.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_if.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_extends.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_extends.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_include.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_include.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_block.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_block.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_use.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_use.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_filter.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_filter.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_import.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_import.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_spaceless.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_flush.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_flush.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_do.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_do.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_embed.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/extension/core/token_parsers/parser_embed.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn parse<'p, 'c>(&self, parser: &mut Parser<'p, 'c>, token: TokenRef<'c>)
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]  --> src/extension/escaper/mod.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn apply(env: &mut Environment) {
[INFO] [stderr]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/engine/mod.rs:139:55
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn get<D: Into<Value>>(&mut self, name: &str, data: D)
[INFO] [stderr]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `functions`
[INFO] [stderr]    --> src/engine/mod.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     functions: HashMap<&'static str, Box<Function<Value>>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/value/ops.rs:253:41
[INFO] [stderr]     |
[INFO] [stderr] 253 |         assert!(a > b - e && a < b + e, format!("expected floats {:?} and {:?} to be equal", a, b));
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 253 |         assert!(a > b - e && a < b + e, "expected floats {:?} and {:?} to be equal", a, b);
[INFO] [stderr]     |                                        --                                               --
[INFO] [stderr] 
[INFO] [stderr] warning: constant `e` should have an upper case name
[INFO] [stderr]    --> src/value/ops.rs:252:15
[INFO] [stderr]     |
[INFO] [stderr] 252 |         const e: f64 = 0.0000001;
[INFO] [stderr]     |               ^ help: convert the identifier to upper case: `E`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/value/mod.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         point.set("x", Value::Int(42));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/value/mod.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         point.set("y", Value::Int(43));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/value/mod.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         point.set("x", Value::Str("48".into()));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 197 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/fixture_tests.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate log;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 |     if try!(fs::metadata(dir)).is_dir() {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:106:22
[INFO] [stderr]     |
[INFO] [stderr] 106 |         for entry in try!(fs::read_dir(dir)) {
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:107:25
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let entry = try!(entry);
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |             if try!(fs::metadata(entry.path())).is_dir() {
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:109:26
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 for e in try!(visit_fixtures(&entry.path(), cb)) {
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/fixture_tests.rs:103:36
[INFO] [stderr]     |
[INFO] [stderr] 103 | ...isit_fixtures(dir: &Path, cb: &Fn(&DirEntry) -> Option<(String, String, Vec<Difference>)>) -> io::Result<Vec<(String, String, Vec<Diff...
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> Option<(String, String, Vec<Difference>)>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:195:26
[INFO] [stderr]     |
[INFO] [stderr] 195 |                     Some(try!(check_for_new_state(&line).ok_or(FixtureError::ExpectedBlockStart)))
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     try!(write!(t, "fixture "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 |     try!(t.attr(term::Attr::Bold));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |     try!(write!(t, "{}", message));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     try!(t.reset());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 |     try!(write!(t, " ... "));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         try!(t.fg(term::color::GREEN));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         try!(writeln!(t, "ok"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         try!(t.fg(term::color::RED));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         try!(writeln!(t, "ERROR!"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     try!(t.reset());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:266:17
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 try!(t.reset());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:267:17
[INFO] [stderr]     |
[INFO] [stderr] 267 |                 try!(writeln!(t, "  {}", x));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:271:21
[INFO] [stderr]     |
[INFO] [stderr] 271 |                     try!(t.fg(term::color::GREEN));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:272:21
[INFO] [stderr]     |
[INFO] [stderr] 272 |                     try!(writeln!(t, "+ {}", line));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:277:21
[INFO] [stderr]     |
[INFO] [stderr] 277 |                     try!(t.fg(term::color::RED));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:278:21
[INFO] [stderr]     |
[INFO] [stderr] 278 |                     try!(writeln!(t, "- {}", line));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:283:5
[INFO] [stderr]     |
[INFO] [stderr] 283 |     try!(t.reset());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> tests/fixture_tests.rs:284:5
[INFO] [stderr]     |
[INFO] [stderr] 284 |     try!(writeln!(t, ""));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twig-c5a8e0da60f1bfab)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test operator::test::associativity_left_should_be_less_than_right ... ok
[INFO] [stdout] test operator::test::associativity_right_should_be_equal_to_right ... ok
[INFO] [stdout] test operator::test::associativity_right_should_be_greater_than_left ... ok
[INFO] [stdout] test value::ops::tests::fails_parsing_invalid_string_to_float ... ok
[INFO] [stdout] test value::ops::tests::parses_string_to_integer ... ok
[INFO] [stdout] test value::tests::object_getters_and_setters ... ok
[INFO] [stdout] test value::tests::object_setter_can_convert_values ... ok
[INFO] [stdout] test tokens::lexer::matchers::test_match_regex_dq_string_part::should_match_up_to_interpolation_start ... ok
[INFO] [stdout] test tokens::lexer::matchers::test_match_regex_dq_string_part::should_match_empty_str ... ok
[INFO] [stdout] test tokens::lexer::matchers::test_match_regex_dq_string_part::should_match_full_str_with_first_esc_char ... ok
[INFO] [stdout] test tokens::lexer::matchers::test_match_regex_dq_string_part::should_skip_escaped_str_end ... ok
[INFO] [stdout] test tokens::lexer::matchers::test_match_regex_dq_string_part::should_match_up_to_str_end ... ok
[INFO] [stdout] test value::ops::tests::parses_string_to_float ... FAILED
[INFO] [stdout] test tokens::lexer::matchers::test_match_regex_dq_string_part::should_skip_escaped_interpolation_start ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- value::ops::tests::parses_string_to_float stdout ----
[INFO] [stdout] thread 'value::ops::tests::parses_string_to_float' panicked at 'failed to parse ".", error: ImpossibleCast { target: Float, reason: StringNotNumerical(".") }', src/value/ops.rs:186:27
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c8fc7c5920 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55c8fc7c5920 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c8fc7c5920 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55c8fc7c5920 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55c8fc7e954c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55c8fc7c2845 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55c8fc7c7a8b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55c8fc7c7a8b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55c8fc7c7a8b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55c8fc7c759c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55c8fc7c8154 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55c8fc7c7c37 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55c8fc7c5e1c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55c8fc7c7b99 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55c8fc6a3f2b - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x55c8fc6bc22a - twig::value::ops::tests::parses_string_to_float::hddfcb4f03b2ae358
[INFO] [stdout]                                at /opt/rustwide/workdir/src/value/ops.rs:186:27
[INFO] [stdout]   16:     0x55c8fc6bb80a - twig::value::ops::tests::parses_string_to_float::{{closure}}::h1af24cea9878cac5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/value/ops.rs:158:5
[INFO] [stdout]   17:     0x55c8fc6a75ae - core::ops::function::FnOnce::call_once::h337a4c5beb8f236c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x55c8fc6ec963 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x55c8fc6ec963 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   20:     0x55c8fc6eb420 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   21:     0x55c8fc6eb420 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   22:     0x55c8fc6eb420 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x55c8fc6eb420 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x55c8fc6eb420 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   25:     0x55c8fc6eb420 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   26:     0x55c8fc6eb420 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x55c8fc6c4ad2 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x55c8fc6c4ad2 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   29:     0x55c8fc6c8688 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   30:     0x55c8fc6c8688 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   31:     0x55c8fc6c8688 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   32:     0x55c8fc6c8688 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   33:     0x55c8fc6c8688 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   34:     0x55c8fc6c8688 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   35:     0x55c8fc6c8688 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x55c8fc7ccc17 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   37:     0x55c8fc7ccc17 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   38:     0x55c8fc7ccc17 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   39:     0x7f18cfced609 - start_thread
[INFO] [stdout]   40:     0x7f18cfabf293 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     value::ops::tests::parses_string_to_float
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "a1a2a63cb18018c3f670c77192bde10d27aa6d3d9022e394ad64ff42d30c9a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a2a63cb18018c3f670c77192bde10d27aa6d3d9022e394ad64ff42d30c9a00", kill_on_drop: false }`
[INFO] [stdout] a1a2a63cb18018c3f670c77192bde10d27aa6d3d9022e394ad64ff42d30c9a00
