[INFO] cloning repository https://github.com/jtdowney/som-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtdowney/som-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fsom-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fsom-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2efe4a39b364bbe3d0ffbdb163ae3fb1eafad4b3
[INFO] testing jtdowney/som-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fsom-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtdowney/som-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtdowney/som-rust
[INFO] finished tweaking git repo https://github.com/jtdowney/som-rust
[INFO] tweaked toml for git repo https://github.com/jtdowney/som-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jtdowney/som-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cabbf0cc57dce0347c69974c8f4c2d9d5f9e243ec59d428291139a724a483c82
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cabbf0cc57dce0347c69974c8f4c2d9d5f9e243ec59d428291139a724a483c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cabbf0cc57dce0347c69974c8f4c2d9d5f9e243ec59d428291139a724a483c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabbf0cc57dce0347c69974c8f4c2d9d5f9e243ec59d428291139a724a483c82", kill_on_drop: false }`
[INFO] [stdout] cabbf0cc57dce0347c69974c8f4c2d9d5f9e243ec59d428291139a724a483c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 955f60baa40b693bf321693f81791004bc2656a197b02ba7594aaccc09945a1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "955f60baa40b693bf321693f81791004bc2656a197b02ba7594aaccc09945a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling som v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:98:28
[INFO] [stdout]    |
[INFO] [stdout] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:99:16
[INFO] [stdout]    |
[INFO] [stdout] 99 |             '0'...'9' => self.read_number(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:37
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:59
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:81
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 Some(c @ '0'...'9') => {
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:261:37
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         Some(c @ '0'...'9') => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/lexer.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |             for _ in (0..count) {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.expect(Symbol::Equal));
[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/compiler/parser.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let superclass = try!(self.parse_superclass_name());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let instance_variables = try!(self.parse_locals());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let (name, method) = match try!(self.peek(1)) {
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:71:49
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:72:46
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:73:55
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:74:71
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stdout]    |                                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:84:31
[INFO] [stdout]    |
[INFO] [stdout] 84 |             class_variables = try!(self.parse_locals());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:86:44
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let (name, method) = match try!(self.peek(1)) {
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:87:53
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:88:50
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:89:59
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:90:75
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stdout]    |                                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(self.expect(Symbol::Equal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:120:34
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let (name, parameters) = try!(self.parse_pattern());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 locals: try!(self.parse_locals()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body: try!(self.parse_block_body()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut name = try!(self.expect(Symbol::Keyword)).unwrap();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |         parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:165:37
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:184:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             try!(self.expect(Symbol::Or));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(self.expect(Symbol::Colon));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:210:33
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     try!(self.expect(Symbol::Or));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:231:63
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 Ok(Token(Symbol::Exit, _)) => statements.push(try!(self.parse_result())),
[INFO] [stdout]     |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:232:42
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 Ok(_) => statements.push(try!(self.parse_expression())),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         try!(self.expect(Symbol::Exit));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let statement = Box::new(try!(self.parse_expression()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(self.expect(Symbol::Assign));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:258:34
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 assignments.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:271:28
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 variables: try!(self.parse_assignments()),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:272:33
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 value: Box::new(try!(self.parse_expression())),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:275:34
[INFO] [stdout]     |
[INFO] [stdout] 275 |             let mut expression = try!(self.parse_expression_primary());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:279:57
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     Ok(Token(Symbol::Identifier, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:280:54
[INFO] [stdout]     |
[INFO] [stdout] 280 |                     Ok(Token(Symbol::Keyword, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:281:63
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     Ok(Token(Symbol::OperatorSequence, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:282:79
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     Ok(Token(ref symbol, _)) if is_binary_operator(symbol) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:308:32
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let Token(symbol, _) = try!(self.peek(1));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:313:38
[INFO] [stdout]     |
[INFO] [stdout] 313 |                         expression = try!(self.parse_expression_unary_message(expression));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         try!(self.expect(Symbol::NewBlock));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |         try!(self.expect(Symbol::EndBlock));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:331:25
[INFO] [stdout]     |
[INFO] [stdout] 331 |             parameters: try!(self.parse_block_parameters()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |             locals: try!(self.parse_locals()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:333:19
[INFO] [stdout]     |
[INFO] [stdout] 333 |             body: try!(self.parse_block_body()),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:342:21
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let value = try!(self.parse_expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:349:24
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let variable = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:361:21
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let value = try!(self.expect(Symbol::String)).unwrap();
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         try!(self.expect(Symbol::Pound));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         try!(self.expect(Symbol::Minus));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let message = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:423:37
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     parameters.push(try!(self.parse_expression_formula()));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:438:25
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut value = try!(self.parse_expression_binary_operand());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:443:29
[INFO] [stdout]     |
[INFO] [stdout] 443 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:446:29
[INFO] [stdout]     |
[INFO] [stdout] 446 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 456 |         let mut value = try!(self.parse_expression_primary());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:461:29
[INFO] [stdout]     |
[INFO] [stdout] 461 |                     value = try!(self.parse_expression_unary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:483:29
[INFO] [stdout]     |
[INFO] [stdout] 483 |             right: Box::new(try!(self.parse_expression_binary_operand())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/parser.rs:488:18
[INFO] [stdout]     |
[INFO] [stdout] 488 |         for _ in (self.queue.len()..n) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/parser.rs:502:18
[INFO] [stdout]     |
[INFO] [stdout] 502 |         for _ in (0..n) {
[INFO] [stdout]     |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/compiler/lexer.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/compiler/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 83 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "955f60baa40b693bf321693f81791004bc2656a197b02ba7594aaccc09945a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955f60baa40b693bf321693f81791004bc2656a197b02ba7594aaccc09945a1e", kill_on_drop: false }`
[INFO] [stdout] 955f60baa40b693bf321693f81791004bc2656a197b02ba7594aaccc09945a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65280b2b2e91226e2151a98e27478219fe60fb5a81e8a97aedd07dfaee1cc63
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d65280b2b2e91226e2151a98e27478219fe60fb5a81e8a97aedd07dfaee1cc63", kill_on_drop: false }`
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:98:28
[INFO] [stdout]    |
[INFO] [stdout] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:99:16
[INFO] [stdout]    |
[INFO] [stdout] 99 |             '0'...'9' => self.read_number(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:37
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:59
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:81
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 Some(c @ '0'...'9') => {
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:261:37
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         Some(c @ '0'...'9') => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/lexer.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |             for _ in (0..count) {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.expect(Symbol::Equal));
[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/compiler/parser.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let superclass = try!(self.parse_superclass_name());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let instance_variables = try!(self.parse_locals());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let (name, method) = match try!(self.peek(1)) {
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:71:49
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:72:46
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:73:55
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:74:71
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stdout]    |                                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:84:31
[INFO] [stdout]    |
[INFO] [stdout] 84 |             class_variables = try!(self.parse_locals());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:86:44
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let (name, method) = match try!(self.peek(1)) {
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:87:53
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:88:50
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:89:59
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:90:75
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stdout]    |                                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(self.expect(Symbol::Equal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:120:34
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let (name, parameters) = try!(self.parse_pattern());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 locals: try!(self.parse_locals()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body: try!(self.parse_block_body()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut name = try!(self.expect(Symbol::Keyword)).unwrap();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |         parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:165:37
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:184:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             try!(self.expect(Symbol::Or));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(self.expect(Symbol::Colon));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:210:33
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     try!(self.expect(Symbol::Or));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:231:63
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 Ok(Token(Symbol::Exit, _)) => statements.push(try!(self.parse_result())),
[INFO] [stdout]     |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:232:42
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 Ok(_) => statements.push(try!(self.parse_expression())),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         try!(self.expect(Symbol::Exit));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let statement = Box::new(try!(self.parse_expression()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(self.expect(Symbol::Assign));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:258:34
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 assignments.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:271:28
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 variables: try!(self.parse_assignments()),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:272:33
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 value: Box::new(try!(self.parse_expression())),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:275:34
[INFO] [stdout]     |
[INFO] [stdout] 275 |             let mut expression = try!(self.parse_expression_primary());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:279:57
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     Ok(Token(Symbol::Identifier, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:280:54
[INFO] [stdout]     |
[INFO] [stdout] 280 |                     Ok(Token(Symbol::Keyword, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:281:63
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     Ok(Token(Symbol::OperatorSequence, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:282:79
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     Ok(Token(ref symbol, _)) if is_binary_operator(symbol) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:308:32
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let Token(symbol, _) = try!(self.peek(1));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:313:38
[INFO] [stdout]     |
[INFO] [stdout] 313 |                         expression = try!(self.parse_expression_unary_message(expression));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         try!(self.expect(Symbol::NewBlock));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |         try!(self.expect(Symbol::EndBlock));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:331:25
[INFO] [stdout]     |
[INFO] [stdout] 331 |             parameters: try!(self.parse_block_parameters()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |             locals: try!(self.parse_locals()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:333:19
[INFO] [stdout]     |
[INFO] [stdout] 333 |             body: try!(self.parse_block_body()),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:342:21
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let value = try!(self.parse_expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:349:24
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let variable = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:361:21
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let value = try!(self.expect(Symbol::String)).unwrap();
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         try!(self.expect(Symbol::Pound));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         try!(self.expect(Symbol::Minus));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let message = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:423:37
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     parameters.push(try!(self.parse_expression_formula()));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:438:25
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut value = try!(self.parse_expression_binary_operand());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:443:29
[INFO] [stdout]     |
[INFO] [stdout] 443 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:446:29
[INFO] [stdout]     |
[INFO] [stdout] 446 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling som v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 456 |         let mut value = try!(self.parse_expression_primary());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:461:29
[INFO] [stdout]     |
[INFO] [stdout] 461 |                     value = try!(self.parse_expression_unary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:483:29
[INFO] [stdout]     |
[INFO] [stdout] 483 |             right: Box::new(try!(self.parse_expression_binary_operand())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/parser.rs:488:18
[INFO] [stdout]     |
[INFO] [stdout] 488 |         for _ in (self.queue.len()..n) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/parser.rs:502:18
[INFO] [stdout]     |
[INFO] [stdout] 502 |         for _ in (0..n) {
[INFO] [stdout]     |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/compiler/lexer.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/compiler/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 83 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:98:28
[INFO] [stdout]    |
[INFO] [stdout] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/lexer.rs:99:16
[INFO] [stdout]    |
[INFO] [stdout] 99 |             '0'...'9' => self.read_number(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:37
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:59
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:204:81
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stdout]     |                                                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:243:29
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 Some(c @ '0'...'9') => {
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/compiler/lexer.rs:261:37
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         Some(c @ '0'...'9') => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/lexer.rs:297:22
[INFO] [stdout]     |
[INFO] [stdout] 297 |             for _ in (0..count) {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/compiler/lexer.rs:499:80
[INFO] [stdout]     |
[INFO] [stdout] 499 |         assert_eq!(lexer.read_token().unwrap(), Token(Symbol::Identifier, Some(("run".to_string()))));
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(self.expect(Symbol::Equal));
[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/compiler/parser.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:64:26
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let superclass = try!(self.parse_superclass_name());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let instance_variables = try!(self.parse_locals());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let (name, method) = match try!(self.peek(1)) {
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:71:49
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:72:46
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:73:55
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:74:71
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stdout]    |                                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:84:31
[INFO] [stdout]    |
[INFO] [stdout] 84 |             class_variables = try!(self.parse_locals());
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:86:44
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let (name, method) = match try!(self.peek(1)) {
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:87:53
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:88:50
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:89:59
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stdout]    |                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/compiler/parser.rs:90:75
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stdout]    |                                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         try!(self.expect(Symbol::Equal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:120:34
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let (name, parameters) = try!(self.parse_pattern());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:134:25
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 locals: try!(self.parse_locals()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body: try!(self.parse_block_body()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut name = try!(self.expect(Symbol::Keyword)).unwrap();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |         parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:165:37
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:184:25
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             try!(self.expect(Symbol::Or));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(self.expect(Symbol::Colon));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:210:33
[INFO] [stdout]     |
[INFO] [stdout] 210 |                 let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:214:21
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     try!(self.expect(Symbol::Or));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:231:63
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 Ok(Token(Symbol::Exit, _)) => statements.push(try!(self.parse_result())),
[INFO] [stdout]     |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:232:42
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 Ok(_) => statements.push(try!(self.parse_expression())),
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         try!(self.expect(Symbol::Exit));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let statement = Box::new(try!(self.parse_expression()));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(self.expect(Symbol::Assign));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:258:34
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 assignments.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:271:28
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 variables: try!(self.parse_assignments()),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:272:33
[INFO] [stdout]     |
[INFO] [stdout] 272 |                 value: Box::new(try!(self.parse_expression())),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:275:34
[INFO] [stdout]     |
[INFO] [stdout] 275 |             let mut expression = try!(self.parse_expression_primary());
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:279:57
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     Ok(Token(Symbol::Identifier, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:280:54
[INFO] [stdout]     |
[INFO] [stdout] 280 |                     Ok(Token(Symbol::Keyword, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:281:63
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     Ok(Token(Symbol::OperatorSequence, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:282:79
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     Ok(Token(ref symbol, _)) if is_binary_operator(symbol) => try!(self.parse_expression_messages(expression)),
[INFO] [stdout]     |                                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:308:32
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let Token(symbol, _) = try!(self.peek(1));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:313:38
[INFO] [stdout]     |
[INFO] [stdout] 313 |                         expression = try!(self.parse_expression_unary_message(expression));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         try!(self.expect(Symbol::NewBlock));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |         try!(self.expect(Symbol::EndBlock));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:331:25
[INFO] [stdout]     |
[INFO] [stdout] 331 |             parameters: try!(self.parse_block_parameters()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 |             locals: try!(self.parse_locals()),
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:333:19
[INFO] [stdout]     |
[INFO] [stdout] 333 |             body: try!(self.parse_block_body()),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:341:9
[INFO] [stdout]     |
[INFO] [stdout] 341 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:342:21
[INFO] [stdout]     |
[INFO] [stdout] 342 |         let value = try!(self.parse_expression());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:349:24
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let variable = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:361:21
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let value = try!(self.expect(Symbol::String)).unwrap();
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         try!(self.expect(Symbol::Pound));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:384:9
[INFO] [stdout]     |
[INFO] [stdout] 384 |         try!(self.expect(Symbol::Minus));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let message = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:423:37
[INFO] [stdout]     |
[INFO] [stdout] 423 |                     parameters.push(try!(self.parse_expression_formula()));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:438:25
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut value = try!(self.parse_expression_binary_operand());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:443:29
[INFO] [stdout]     |
[INFO] [stdout] 443 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:446:29
[INFO] [stdout]     |
[INFO] [stdout] 446 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:456:25
[INFO] [stdout]     |
[INFO] [stdout] 456 |         let mut value = try!(self.parse_expression_primary());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:461:29
[INFO] [stdout]     |
[INFO] [stdout] 461 |                     value = try!(self.parse_expression_unary_message(value));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |         try!(self.consume(1));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/compiler/parser.rs:483:29
[INFO] [stdout]     |
[INFO] [stdout] 483 |             right: Box::new(try!(self.parse_expression_binary_operand())),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/parser.rs:488:18
[INFO] [stdout]     |
[INFO] [stdout] 488 |         for _ in (self.queue.len()..n) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/compiler/parser.rs:502:18
[INFO] [stdout]     |
[INFO] [stdout] 502 |         for _ in (0..n) {
[INFO] [stdout]     |                  ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/compiler/lexer.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/compiler/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 84 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "d65280b2b2e91226e2151a98e27478219fe60fb5a81e8a97aedd07dfaee1cc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65280b2b2e91226e2151a98e27478219fe60fb5a81e8a97aedd07dfaee1cc63", kill_on_drop: false }`
[INFO] [stdout] d65280b2b2e91226e2151a98e27478219fe60fb5a81e8a97aedd07dfaee1cc63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3fe984f7d27d587ff9807b4b8b7f4aa947f2b52e37498264d0acddf35df494d1
[INFO] running `Command { std: "docker" "start" "-a" "3fe984f7d27d587ff9807b4b8b7f4aa947f2b52e37498264d0acddf35df494d1", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/compiler/lexer.rs:98:16
[INFO] [stderr]    |
[INFO] [stderr] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/compiler/lexer.rs:98:28
[INFO] [stderr]    |
[INFO] [stderr] 98 |             'a'...'z' | 'A'...'Z' => self.read_identifier(),
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/compiler/lexer.rs:99:16
[INFO] [stderr]    |
[INFO] [stderr] 99 |             '0'...'9' => self.read_number(),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/compiler/lexer.rs:204:37
[INFO] [stderr]     |
[INFO] [stderr] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/compiler/lexer.rs:204:59
[INFO] [stderr]     |
[INFO] [stderr] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stderr]     |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/compiler/lexer.rs:204:81
[INFO] [stderr]     |
[INFO] [stderr] 204 |                         Some(c @ 'a'...'z') | Some(c @ 'A'...'Z') | Some(c @ '0'...'9') | Some(c @ ':') => {
[INFO] [stderr]     |                                                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/compiler/lexer.rs:243:29
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 Some(c @ '0'...'9') => {
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/compiler/lexer.rs:261:37
[INFO] [stderr]     |
[INFO] [stderr] 261 |                         Some(c @ '0'...'9') => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/compiler/lexer.rs:297:22
[INFO] [stderr]     |
[INFO] [stderr] 297 |             for _ in (0..count) {
[INFO] [stderr]     |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.expect(Symbol::Equal));
[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/compiler/parser.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:64:26
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let superclass = try!(self.parse_superclass_name());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let instance_variables = try!(self.parse_locals());
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let (name, method) = match try!(self.peek(1)) {
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:71:49
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stderr]    |                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:72:46
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:73:55
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stderr]    |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:74:71
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stderr]    |                                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |             class_variables = try!(self.parse_locals());
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:86:44
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 let (name, method) = match try!(self.peek(1)) {
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:87:53
[INFO] [stderr]    |
[INFO] [stderr] 87 |                     Token(Symbol::Identifier, _) => try!(self.parse_method()),
[INFO] [stderr]    |                                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:88:50
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     Token(Symbol::Keyword, _) => try!(self.parse_method()),
[INFO] [stderr]    |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:89:59
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     Token(Symbol::OperatorSequence, _) => try!(self.parse_method()),
[INFO] [stderr]    |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/compiler/parser.rs:90:75
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     Token(ref symbol, _) if is_binary_operator(symbol) => try!(self.parse_method()),
[INFO] [stderr]    |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |         try!(self.expect(Symbol::Equal));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:120:34
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let (name, parameters) = try!(self.parse_pattern());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |             try!(self.expect(Symbol::NewTerm));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             try!(self.expect(Symbol::EndTerm));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:134:25
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 locals: try!(self.parse_locals()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:135:23
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 body: try!(self.parse_block_body()),
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:153:20
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let name = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:158:24
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut name = try!(self.expect(Symbol::Keyword)).unwrap();
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:160:25
[INFO] [stderr]     |
[INFO] [stderr] 160 |         parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:165:37
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     parameters.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         try!(self.consume(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             try!(self.expect(Symbol::Or));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 try!(self.expect(Symbol::Colon));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:210:33
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 let parameter = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:214:21
[INFO] [stderr]     |
[INFO] [stderr] 214 |                     try!(self.expect(Symbol::Or));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:231:63
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 Ok(Token(Symbol::Exit, _)) => statements.push(try!(self.parse_result())),
[INFO] [stderr]     |                                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:232:42
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 Ok(_) => statements.push(try!(self.parse_expression())),
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |         try!(self.expect(Symbol::Exit));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:249:34
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let statement = Box::new(try!(self.parse_expression()));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(self.expect(Symbol::Assign));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:258:34
[INFO] [stderr]     |
[INFO] [stderr] 258 |                 assignments.push(try!(self.expect(Symbol::Identifier)).unwrap());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:271:28
[INFO] [stderr]     |
[INFO] [stderr] 271 |                 variables: try!(self.parse_assignments()),
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:272:33
[INFO] [stderr]     |
[INFO] [stderr] 272 |                 value: Box::new(try!(self.parse_expression())),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:275:34
[INFO] [stderr]     |
[INFO] [stderr] 275 |             let mut expression = try!(self.parse_expression_primary());
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:279:57
[INFO] [stderr]     |
[INFO] [stderr] 279 |                     Ok(Token(Symbol::Identifier, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:280:54
[INFO] [stderr]     |
[INFO] [stderr] 280 |                     Ok(Token(Symbol::Keyword, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:281:63
[INFO] [stderr]     |
[INFO] [stderr] 281 |                     Ok(Token(Symbol::OperatorSequence, _)) => try!(self.parse_expression_messages(expression)),
[INFO] [stderr]     |                                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:282:79
[INFO] [stderr]     |
[INFO] [stderr] 282 |                     Ok(Token(ref symbol, _)) if is_binary_operator(symbol) => try!(self.parse_expression_messages(expression)),
[INFO] [stderr]     |                                                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:308:32
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let Token(symbol, _) = try!(self.peek(1));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:313:38
[INFO] [stderr]     |
[INFO] [stderr] 313 |                         expression = try!(self.parse_expression_unary_message(expression));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         try!(self.expect(Symbol::NewBlock));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |         try!(self.expect(Symbol::EndBlock));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:331:25
[INFO] [stderr]     |
[INFO] [stderr] 331 |             parameters: try!(self.parse_block_parameters()),
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:332:21
[INFO] [stderr]     |
[INFO] [stderr] 332 |             locals: try!(self.parse_locals()),
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:333:19
[INFO] [stderr]     |
[INFO] [stderr] 333 |             body: try!(self.parse_block_body()),
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:341:9
[INFO] [stderr]     |
[INFO] [stderr] 341 |         try!(self.expect(Symbol::NewTerm));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         try!(self.expect(Symbol::EndTerm));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:342:21
[INFO] [stderr]     |
[INFO] [stderr] 342 |         let value = try!(self.parse_expression());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:349:24
[INFO] [stderr]     |
[INFO] [stderr] 349 |         let variable = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:361:21
[INFO] [stderr]     |
[INFO] [stderr] 361 |         let value = try!(self.expect(Symbol::String)).unwrap();
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:366:9
[INFO] [stderr]     |
[INFO] [stderr] 366 |         try!(self.expect(Symbol::Pound));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:378:9
[INFO] [stderr]     |
[INFO] [stderr] 378 |         try!(self.consume(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |         try!(self.expect(Symbol::Minus));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:412:23
[INFO] [stderr]     |
[INFO] [stderr] 412 |         let message = try!(self.expect(Symbol::Identifier)).unwrap();
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:423:37
[INFO] [stderr]     |
[INFO] [stderr] 423 |                     parameters.push(try!(self.parse_expression_formula()));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:438:25
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let mut value = try!(self.parse_expression_binary_operand());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:443:29
[INFO] [stderr]     |
[INFO] [stderr] 443 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:446:29
[INFO] [stderr]     |
[INFO] [stderr] 446 |                     value = try!(self.parse_expression_binary_message(value));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:456:25
[INFO] [stderr]     |
[INFO] [stderr] 456 |         let mut value = try!(self.parse_expression_primary());
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:461:29
[INFO] [stderr]     |
[INFO] [stderr] 461 |                     value = try!(self.parse_expression_unary_message(value));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:478:9
[INFO] [stderr]     |
[INFO] [stderr] 478 |         try!(self.consume(1));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/compiler/parser.rs:483:29
[INFO] [stderr]     |
[INFO] [stderr] 483 |             right: Box::new(try!(self.parse_expression_binary_operand())),
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/compiler/parser.rs:488:18
[INFO] [stderr]     |
[INFO] [stderr] 488 |         for _ in (self.queue.len()..n) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/compiler/parser.rs:502:18
[INFO] [stderr]     |
[INFO] [stderr] 502 |         for _ in (0..n) {
[INFO] [stderr]     |                  ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stderr]  --> src/compiler/lexer.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/compiler/lexer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `som` (lib) generated 83 warnings
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/compiler/lexer.rs:499:80
[INFO] [stderr]     |
[INFO] [stderr] 499 |         assert_eq!(lexer.read_token().unwrap(), Token(Symbol::Identifier, Some(("run".to_string()))));
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `som` (lib test) generated 84 warnings (83 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/som-42776ee787c5e84d)
[INFO] [stdout] 
[INFO] [stdout] running 61 tests
[INFO] [stdout] test compiler::lexer::tests::colon ... ok
[INFO] [stdout] test compiler::lexer::tests::double ... ok
[INFO] [stdout] test compiler::lexer::tests::lexer ... ok
[INFO] [stdout] test compiler::lexer::tests::location ... ok
[INFO] [stdout] test compiler::lexer::tests::long_separator ... ok
[INFO] [stdout] test compiler::lexer::tests::skipping_comments ... ok
[INFO] [stdout] test compiler::lexer::tests::skipping_whitespace ... ok
[INFO] [stdout] test compiler::lexer::tests::integer ... ok
[INFO] [stdout] test compiler::lexer::tests::keyword ... ok
[INFO] [stdout] test compiler::lexer::tests::separator ... ok
[INFO] [stdout] test compiler::lexer::tests::identifier ... ok
[INFO] [stdout] test compiler::lexer::tests::minus ... ok
[INFO] [stdout] test compiler::lexer::tests::operator_sequence ... ok
[INFO] [stdout] test compiler::lexer::tests::simple_symbols ... ok
[INFO] [stdout] test compiler::lexer::tests::simple_operators ... ok
[INFO] [stdout] test compiler::lexer::tests::integer_and_period ... ok
[INFO] [stdout] test compiler::parser::tests::literal_nil_expression ... ok
[INFO] [stdout] test compiler::lexer::tests::assignment ... ok
[INFO] [stdout] test compiler::parser::tests::literal_symbol_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_negative_double_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_string_expression ... ok
[INFO] [stdout] test compiler::lexer::tests::primitive ... ok
[INFO] [stdout] test compiler::lexer::tests::two_keyword_sequence ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_multiple_statements ... ok
[INFO] [stdout] test compiler::parser::tests::literal_boolean_expression ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_exit ... ok
[INFO] [stdout] test compiler::parser::tests::nested_block_expression ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_parameters ... ok
[INFO] [stdout] test compiler::parser::tests::complex_keyword_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::multiple_unary_messages ... ok
[INFO] [stdout] test compiler::parser::tests::keyword_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_locals ... ok
[INFO] [stdout] test compiler::parser::tests::literal_negative_integer_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_double_expression ... ok
[INFO] [stdout] test compiler::lexer::tests::three_keyword_sequence ... ok
[INFO] [stdout] test compiler::parser::tests::literal_integer_expression ... ok
[INFO] [stdout] test compiler::parser::tests::nested_terms ... ok
[INFO] [stdout] test compiler::lexer::tests::three_minus ... ok
[INFO] [stdout] test compiler::parser::tests::unary_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::parse_error_position_information ... ok
[INFO] [stdout] test compiler::parser::tests::binary_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::parse_multiple_assignment ... ok
[INFO] [stdout] test util::peekable_buffer::tests::location ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_reloads_buffer ... ok
[INFO] [stdout] test util::peekable_buffer::tests::consume ... ok
[INFO] [stdout] test compiler::parser::tests::parse_assignment ... ok
[INFO] [stdout] test compiler::parser::tests::operator_sequence_expression ... ok
[INFO] [stdout] test util::peekable_buffer::tests::peek_returns_second_peeked_value ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_returns_peeked ... ok
[INFO] [stdout] test util::peekable_buffer::tests::peek_returns_first_value ... ok
[INFO] [stdout] test compiler::parser::tests::unary_message_binds_higher ... ok
[INFO] [stdout] test util::peekable_buffer::tests::peek_returns_existing_peeked_value ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_reads_values ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_consumes_value ... ok
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-a59c2b0c3f50588c)
[INFO] [stdout] test compiler::lexer::tests::two_minus ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_consumes_peeked ... ok
[INFO] [stdout] test compiler::parser::tests::variable_expression ... ok
[INFO] [stdout] test compiler::parser::tests::parse_method_primitive ... ok
[INFO] [stdout] test compiler::parser::tests::parse_body_evaluation ... ok
[INFO] [stdout] test compiler::parser::tests::superclass_parsing ... ok
[INFO] [stdout] test compiler::parser::tests::parse_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test compiler::parser::parse_test_cases ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- compiler::parser::parse_test_cases stdout ----
[INFO] [stdout] thread 'compiler::parser::parse_test_cases' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `"Class {\n    name: \"Echo\",\n    superclass: \"Object\",\n    instance_methods: {\n        \"run:\": Native {\n            name: \"run:\",\n            parameters: [\n                \"args\",\n            ],\n            locals: [],\n            body: [\n                KeywordMessage {\n                    message: \"from:to:do:\",\n                    receiver: Variable(\n                        \"args\",\n                    ),\n                    parameters: [\n                        LiteralInteger(\n                            2,\n                        ),\n                        UnaryMessage {\n                            message: \"length\",\n                            receiver: Variable(\n                                \"args\",\n                            ),\n                        },\n                        Block {\n                            parameters: [\n                                \"arg\",\n                            ],\n                            locals: [],\n                            body: [\n                                UnaryMessage {\n                                    message: \"print\",\n                                    receiver: Variable(\n                                        \"arg\",\n                                    ),\n                                },\n                                UnaryMessage {\n                                    message: \"print\",\n                                    receiver: LiteralString(\n                                        \" \",\n                                    ),\n                                },\n                            ],\n                        },\n                    ],\n                },\n                UnaryMessage {\n                    message: \"println\",\n                    receiver: LiteralString(\n                        \"\",\n                    ),\n                },\n            ],\n        },\n    },\n    instance_variables: [],\n    class_methods: {},\n    class_variables: [],\n}"`,
[INFO] [stdout]  right: `"Class {\n    name: \"Echo\",\n    superclass: \"Object\",\n    instance_methods: {\n        \"run:\": Native {\n            name: \"run:\",\n            parameters: [\n                \"args\"\n            ],\n            locals: [],\n            body: [\n                KeywordMessage {\n                    message: \"from:to:do:\",\n                    receiver: Variable(\n                        \"args\"\n                    ),\n                    parameters: [\n                        LiteralInteger(\n                            2\n                        ),\n                        UnaryMessage {\n                            message: \"length\",\n                            receiver: Variable(\n                                \"args\"\n                            )\n                        },\n                        Block {\n                            parameters: [\n                                \"arg\"\n                            ],\n                            locals: [],\n                            body: [\n                                UnaryMessage {\n                                    message: \"print\",\n                                    receiver: Variable(\n                                        \"arg\"\n                                    )\n                                },\n                                UnaryMessage {\n                                    message: \"print\",\n                                    receiver: LiteralString(\n                                        \" \"\n                                    )\n                                }\n                            ]\n                        }\n                    ]\n                },\n                UnaryMessage {\n                    message: \"println\",\n                    receiver: LiteralString(\n                        \"\"\n                    )\n                }\n            ]\n        }\n    },\n    instance_variables: [],\n    class_methods: {},\n    class_variables: []\n}"`', tests/compiler/parser.rs:23:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56392d7227a0 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x56392d7227a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56392d7227a0 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x56392d7227a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he1640d5f0d93f618
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x56392d74647c - core::fmt::write::h88012e1f01caeebf
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x56392d71f265 - std::io::Write::write_fmt::h7728c39ea5632753
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x56392d72491b - std::sys_common::backtrace::_print::ha1f00492f406a015
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x56392d72491b - std::sys_common::backtrace::print::hd54561b13feb6af3
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x56392d72491b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x56392d72442c - std::panicking::default_hook::h5a8e74a76ce290a7
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x56392d724fe4 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x56392d724ac7 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x56392d722c9c - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x56392d724a29 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x56392d6a03b1 - core::panicking::panic_fmt::h12a3a3c256485fca
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x56392d744ae8 - core::panicking::assert_failed_inner::hd10540743cd0e11a
[INFO] [stdout]   16:     0x56392d6b19ea - core::panicking::assert_failed::hfeb0e0e90b2ce37a
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x56392d6b270b - lib::compiler::parser::parse_test_cases::h571dc05d8d7ceb9e
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compiler/parser.rs:23:13
[INFO] [stdout]   18:     0x56392d6b1cfa - lib::compiler::parser::parse_test_cases::{{closure}}::h84ba057247bd5bc7
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compiler/parser.rs:8:1
[INFO] [stdout]   19:     0x56392d6c6b2e - core::ops::function::FnOnce::call_once::h1e7218e4bcf7f1e0
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x56392d6ff7e3 - core::ops::function::FnOnce::call_once::h5aba9a5d361d6c79
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x56392d6ff7e3 - test::__rust_begin_short_backtrace::h705bb53b2b1d45e6
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x56392d6fe298 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha20f614d7c0b2b6d
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x56392d6fe298 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf02f19eeb64ceabd
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x56392d6fe298 - std::panicking::try::do_call::h4bfab65eb3b4b036
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x56392d6fe298 - std::panicking::try::h6613a46a6d2b6f88
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x56392d6fe298 - std::panic::catch_unwind::h9f07b17b60991273
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x56392d6fe298 - test::run_test_in_process::hc38797eecf07854f
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x56392d6fe298 - test::run_test::run_test_inner::{{closure}}::hac209db8bce0fd77
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x56392d6cca2d - test::run_test::run_test_inner::{{closure}}::h4aefdd4b4a423e20
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x56392d6cca2d - std::sys_common::backtrace::__rust_begin_short_backtrace::h652c9e2663704700
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x56392d6d1208 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd84fd5e0b5b1f45f
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x56392d6d1208 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he23556962a2ae14b
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x56392d6d1208 - std::panicking::try::do_call::h67d4f93e1fbaa5f9
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x56392d6d1208 - std::panicking::try::h396886e678db815e
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x56392d6d1208 - std::panic::catch_unwind::hc1d64dcecf0a00e0
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x56392d6d1208 - std::thread::Builder::spawn_unchecked::{{closure}}::hc2644cf33cb61d8e
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x56392d6d1208 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4473c2c77b66963f
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x56392d729fa7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6bff7798948b1075
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x56392d729fa7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc2d25ac38f6b2342
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x56392d729fa7 - std::sys::unix::thread::Thread::new::thread_start::hbba5bc368baac205
[INFO] [stdout]                                at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7f5fe5c1c609 - start_thread
[INFO] [stdout]   42:     0x7f5fe59ee293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     compiler::parser::parse_test_cases
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test lib'
[INFO] running `Command { std: "docker" "inspect" "3fe984f7d27d587ff9807b4b8b7f4aa947f2b52e37498264d0acddf35df494d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe984f7d27d587ff9807b4b8b7f4aa947f2b52e37498264d0acddf35df494d1", kill_on_drop: false }`
[INFO] [stdout] 3fe984f7d27d587ff9807b4b8b7f4aa947f2b52e37498264d0acddf35df494d1