[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 beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fsom-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtdowney/som-rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-12/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f813f3f8c33492ab6377d6a765b38e8630b0244a8fa6fd523b8d82066fa73be
[INFO] running `Command { std: "docker" "start" "-a" "2f813f3f8c33492ab6377d6a765b38e8630b0244a8fa6fd523b8d82066fa73be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f813f3f8c33492ab6377d6a765b38e8630b0244a8fa6fd523b8d82066fa73be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f813f3f8c33492ab6377d6a765b38e8630b0244a8fa6fd523b8d82066fa73be", kill_on_drop: false }`
[INFO] [stdout] 2f813f3f8c33492ab6377d6a765b38e8630b0244a8fa6fd523b8d82066fa73be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039a6f689b9071a2cdfae7fa3e847db1a7e33aaf75758635a3859514858b3e3a
[INFO] running `Command { std: "docker" "start" "-a" "039a6f689b9071a2cdfae7fa3e847db1a7e33aaf75758635a3859514858b3e3a", 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 297 -             for _ in (0..count) {
[INFO] [stdout] 297 +             for _ in 0..count {
[INFO] [stdout]     | 
[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]     |                  ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 488 -         for _ in (self.queue.len()..n) {
[INFO] [stdout] 488 +         for _ in self.queue.len()..n {
[INFO] [stdout]     | 
[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]     |                  ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 502 -         for _ in (0..n) {
[INFO] [stdout] 502 +         for _ in 0..n {
[INFO] [stdout]     | 
[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: panic message is not a string literal
[INFO] [stdout]    --> src/compiler/parser.rs:301:35
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of unreachable!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the unreachable!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 301 -             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stdout] 301 +             Ok(t) => unreachable!("token: {:#?}", t),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 84 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "039a6f689b9071a2cdfae7fa3e847db1a7e33aaf75758635a3859514858b3e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039a6f689b9071a2cdfae7fa3e847db1a7e33aaf75758635a3859514858b3e3a", kill_on_drop: false }`
[INFO] [stdout] 039a6f689b9071a2cdfae7fa3e847db1a7e33aaf75758635a3859514858b3e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51536c566229ef34f0d22ed88841b67e519d0b4f58ed532c4dfc6e30b6432555
[INFO] running `Command { std: "docker" "start" "-a" "51536c566229ef34f0d22ed88841b67e519d0b4f58ed532c4dfc6e30b6432555", 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 297 -             for _ in (0..count) {
[INFO] [stdout] 297 +             for _ in 0..count {
[INFO] [stdout]     | 
[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] [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: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]     |                  ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 488 -         for _ in (self.queue.len()..n) {
[INFO] [stdout] 488 +         for _ in self.queue.len()..n {
[INFO] [stdout]     | 
[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]     |                  ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 502 -         for _ in (0..n) {
[INFO] [stdout] 502 +         for _ in 0..n {
[INFO] [stdout]     | 
[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: panic message is not a string literal
[INFO] [stdout]    --> src/compiler/parser.rs:301:35
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of unreachable!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the unreachable!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 301 -             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stdout] 301 +             Ok(t) => unreachable!("token: {:#?}", t),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 84 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 297 -             for _ in (0..count) {
[INFO] [stdout] 297 +             for _ in 0..count {
[INFO] [stdout]     | 
[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]     |                                                                                ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 499 -         assert_eq!(lexer.read_token().unwrap(), Token(Symbol::Identifier, Some(("run".to_string()))));
[INFO] [stdout] 499 +         assert_eq!(lexer.read_token().unwrap(), Token(Symbol::Identifier, Some("run".to_string())));
[INFO] [stdout]     | 
[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]     |                  ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 488 -         for _ in (self.queue.len()..n) {
[INFO] [stdout] 488 +         for _ in self.queue.len()..n {
[INFO] [stdout]     | 
[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]     |                  ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 502 -         for _ in (0..n) {
[INFO] [stdout] 502 +         for _ in 0..n {
[INFO] [stdout]     | 
[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: panic message is not a string literal
[INFO] [stdout]    --> src/compiler/parser.rs:301:35
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of unreachable!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the unreachable!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 301 -             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stdout] 301 +             Ok(t) => unreachable!("token: {:#?}", t),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 85 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "51536c566229ef34f0d22ed88841b67e519d0b4f58ed532c4dfc6e30b6432555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51536c566229ef34f0d22ed88841b67e519d0b4f58ed532c4dfc6e30b6432555", kill_on_drop: false }`
[INFO] [stdout] 51536c566229ef34f0d22ed88841b67e519d0b4f58ed532c4dfc6e30b6432555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07af2b3c3446359ca9b8dd168d277b4cc23fc7c8b6274977a7918bb31d065d86
[INFO] running `Command { std: "docker" "start" "-a" "07af2b3c3446359ca9b8dd168d277b4cc23fc7c8b6274977a7918bb31d065d86", 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     |                      ^        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 297 -             for _ in (0..count) {
[INFO] [stderr] 297 +             for _ in 0..count {
[INFO] [stderr]     | 
[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]     |                  ^                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 488 -         for _ in (self.queue.len()..n) {
[INFO] [stderr] 488 +         for _ in self.queue.len()..n {
[INFO] [stderr]     | 
[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]     |                  ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 502 -         for _ in (0..n) {
[INFO] [stderr] 502 +         for _ in 0..n {
[INFO] [stderr]     | 
[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: panic message is not a string literal
[INFO] [stderr]    --> src/compiler/parser.rs:301:35
[INFO] [stderr]     |
[INFO] [stderr] 301 |             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of unreachable!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the unreachable!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 301 -             Ok(t) => unreachable!(format!("token: {:#?}", t)),
[INFO] [stderr] 301 +             Ok(t) => unreachable!("token: {:#?}", t),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `som` (lib) generated 84 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]     |                                                                                ^                 ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 499 -         assert_eq!(lexer.read_token().unwrap(), Token(Symbol::Identifier, Some(("run".to_string()))));
[INFO] [stderr] 499 +         assert_eq!(lexer.read_token().unwrap(), Token(Symbol::Identifier, Some("run".to_string())));
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `som` (lib test) generated 85 warnings (84 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/som-4e0e29488de39d71)
[INFO] [stdout] 
[INFO] [stdout] running 61 tests
[INFO] [stdout] test compiler::lexer::tests::assignment ... ok
[INFO] [stdout] test compiler::lexer::tests::colon ... ok
[INFO] [stdout] test compiler::lexer::tests::double ... ok
[INFO] [stdout] test compiler::lexer::tests::identifier ... ok
[INFO] [stdout] test compiler::lexer::tests::integer ... ok
[INFO] [stdout] test compiler::lexer::tests::integer_and_period ... ok
[INFO] [stdout] test compiler::lexer::tests::keyword ... ok
[INFO] [stdout] test compiler::lexer::tests::location ... ok
[INFO] [stdout] test compiler::lexer::tests::long_separator ... ok
[INFO] [stdout] test compiler::lexer::tests::minus ... ok
[INFO] [stdout] test compiler::lexer::tests::primitive ... ok
[INFO] [stdout] test compiler::lexer::tests::operator_sequence ... ok
[INFO] [stdout] test compiler::lexer::tests::lexer ... ok
[INFO] [stdout] test compiler::lexer::tests::separator ... ok
[INFO] [stdout] test compiler::lexer::tests::simple_operators ... ok
[INFO] [stdout] test compiler::lexer::tests::simple_symbols ... 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::three_keyword_sequence ... ok
[INFO] [stdout] test compiler::lexer::tests::three_minus ... ok
[INFO] [stdout] test compiler::lexer::tests::two_keyword_sequence ... ok
[INFO] [stdout] test compiler::lexer::tests::two_minus ... ok
[INFO] [stdout] test compiler::parser::tests::binary_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::complex_keyword_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_boolean_expression ... ok
[INFO] [stdout] test compiler::parser::tests::keyword_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_double_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_integer_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_negative_double_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_negative_integer_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_string_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_nil_expression ... ok
[INFO] [stdout] test compiler::parser::tests::literal_symbol_expression ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_exit ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_locals ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_parameters ... ok
[INFO] [stdout] test compiler::parser::tests::multiple_unary_messages ... ok
[INFO] [stdout] test compiler::parser::tests::method_with_multiple_statements ... ok
[INFO] [stdout] test compiler::parser::tests::nested_block_expression ... ok
[INFO] [stdout] test compiler::parser::tests::nested_terms ... ok
[INFO] [stdout] test compiler::parser::tests::operator_sequence_expression ... ok
[INFO] [stdout] test compiler::parser::tests::parse_body_evaluation ... ok
[INFO] [stdout] test compiler::parser::tests::parse_error ... ok
[INFO] [stdout] test compiler::parser::tests::parse_method_primitive ... ok
[INFO] [stdout] test compiler::parser::tests::parse_assignment ... ok
[INFO] [stdout] test compiler::parser::tests::parse_error_position_information ... ok
[INFO] [stdout] test compiler::parser::tests::parse_multiple_assignment ... ok
[INFO] [stdout] test util::peekable_buffer::tests::consume ... ok
[INFO] [stdout] test compiler::parser::tests::unary_message_binds_higher ... ok
[INFO] [stdout] test compiler::parser::tests::superclass_parsing ... ok
[INFO] [stdout] test compiler::parser::tests::unary_message_expression ... ok
[INFO] [stdout] test compiler::parser::tests::variable_expression ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_consumes_peeked ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_reloads_buffer ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_consumes_value ... ok
[INFO] [stdout] test util::peekable_buffer::tests::location ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_reads_values ... ok
[INFO] [stdout] test util::peekable_buffer::tests::next_returns_peeked ... ok
[INFO] [stdout] test util::peekable_buffer::tests::peek_returns_existing_peeked_value ... ok
[INFO] [stdout] test util::peekable_buffer::tests::peek_returns_first_value ... ok
[INFO] [stdout] test util::peekable_buffer::tests::peek_returns_second_peeked_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 61 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-7fd0188e99c400eb)
[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: \"Hello\",\n    superclass: \"Object\",\n    instance_methods: {\n        \"run\": Native {\n            name: \"run\",\n            parameters: [],\n            locals: [],\n            body: [\n                UnaryMessage {\n                    message: \"println\",\n                    receiver: LiteralString(\n                        \"Hello, World from SOM\",\n                    ),\n                },\n            ],\n        },\n    },\n    instance_variables: [],\n    class_methods: {},\n    class_variables: [],\n}"`,
[INFO] [stdout]  right: `"Class {\n    name: \"Hello\",\n    superclass: \"Object\",\n    instance_methods: {\n        \"run\": Native {\n            name: \"run\",\n            parameters: [],\n            locals: [],\n            body: [\n                UnaryMessage {\n                    message: \"println\",\n                    receiver: LiteralString(\n                        \"Hello, World from SOM\"\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:     0x556ea1435cdc - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x556ea1435cdc - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556ea1435cdc - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x556ea1435cdc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha305a40dbc030444
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x556ea145c9fc - core::fmt::write::hadd15acf4d6ce273
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x556ea1430f78 - std::io::Write::write_fmt::h271050faa79d27d2
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x556ea1437fa7 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x556ea1437fa7 - std::sys_common::backtrace::print::h20a2155fa0a22ca6
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x556ea1437fa7 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x556ea1437cdb - std::panicking::default_hook::h1c5cf4d5063a38e4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x556ea14386fa - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x556ea14383e7 - std::panicking::begin_panic_handler::{{closure}}::h5106de2f55f1a411
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x556ea14361a4 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ad5c2a8a003ca72
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x556ea14380f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x556ea13ae133 - core::panicking::panic_fmt::hfb4b8460cd493e74
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x556ea145afb8 - core::panicking::assert_failed_inner::h6332a1b3f7595954
[INFO] [stdout]   16:     0x556ea13c30ca - core::panicking::assert_failed::h2c66c1edd4203331
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panicking.rs:182:5
[INFO] [stdout]   17:     0x556ea13c1399 - lib::compiler::parser::parse_test_cases::h26d0eca53c053d1f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compiler/parser.rs:23:13
[INFO] [stdout]   18:     0x556ea13c09ba - lib::compiler::parser::parse_test_cases::{{closure}}::h3dae7090110c8404
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/compiler/parser.rs:8:1
[INFO] [stdout]   19:     0x556ea13cc8de - core::ops::function::FnOnce::call_once::h823f3684030d6885
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x556ea1405173 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x556ea1405173 - test::__rust_begin_short_backtrace::h163f55298a15df9b
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5
[INFO] [stdout]   22:     0x556ea1403ea1 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc911782b3cbc7ed5
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   23:     0x556ea1403ea1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   24:     0x556ea1403ea1 - std::panicking::try::do_call::he60df4e3e832faff
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stdout]   25:     0x556ea1403ea1 - std::panicking::try::h2633cee89a0767f3
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stdout]   26:     0x556ea1403ea1 - std::panic::catch_unwind::h6e10f7b94ce38b1e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stdout]   27:     0x556ea1403ea1 - test::run_test_in_process::h085ef39049c3b50b
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18
[INFO] [stdout]   28:     0x556ea1403ea1 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x556ea140d781 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x556ea140d781 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   31:     0x556ea13d9edf - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   32:     0x556ea13d9edf - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   33:     0x556ea13d9edf - std::panicking::try::do_call::h5422165a88309c77
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stdout]   34:     0x556ea13d9edf - std::panicking::try::h840a12b54e2c9f5d
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stdout]   35:     0x556ea13d9edf - std::panic::catch_unwind::h85910e437c8da180
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stdout]   36:     0x556ea13d9edf - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   37:     0x556ea13d9edf - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x556ea143e743 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h82a18723295373b7
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   39:     0x556ea143e743 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9b8634f7a2a5a4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   40:     0x556ea143e743 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   41:     0x7f66f7772609 - start_thread
[INFO] [stdout]   42:     0x7f66f7544293 - 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 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test lib'
[INFO] running `Command { std: "docker" "inspect" "07af2b3c3446359ca9b8dd168d277b4cc23fc7c8b6274977a7918bb31d065d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07af2b3c3446359ca9b8dd168d277b4cc23fc7c8b6274977a7918bb31d065d86", kill_on_drop: false }`
[INFO] [stdout] 07af2b3c3446359ca9b8dd168d277b4cc23fc7c8b6274977a7918bb31d065d86