[INFO] cloning repository https://github.com/mariosangiorgio/rulox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mariosangiorgio/rulox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariosangiorgio%2Frulox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariosangiorgio%2Frulox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e9e44f1143aa74b62e43452a35cd4786aecabcf
[INFO] checking mariosangiorgio/rulox against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariosangiorgio%2Frulox" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mariosangiorgio/rulox on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mariosangiorgio/rulox
[INFO] finished tweaking git repo https://github.com/mariosangiorgio/rulox
[INFO] tweaked toml for git repo https://github.com/mariosangiorgio/rulox written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mariosangiorgio/rulox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.15.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f97c4e626e7b5e31034bf9ff58ceb9c84450117e998808e8bf92f8bb61c427e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f97c4e626e7b5e31034bf9ff58ceb9c84450117e998808e8bf92f8bb61c427e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f97c4e626e7b5e31034bf9ff58ceb9c84450117e998808e8bf92f8bb61c427e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f97c4e626e7b5e31034bf9ff58ceb9c84450117e998808e8bf92f8bb61c427e", kill_on_drop: false }`
[INFO] [stdout] 5f97c4e626e7b5e31034bf9ff58ceb9c84450117e998808e8bf92f8bb61c427e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b222278528196a25e10aa0c7efb9256380882787f8956c4d05e0d41e85c40b5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b222278528196a25e10aa0c7efb9256380882787f8956c4d05e0d41e85c40b5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.14
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking rusty-fork v0.2.1
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking rulox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/treewalk/interpreter.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     try!(
[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/treewalk/interpreter.rs:357:33
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     let value = try!(s.value.interpret(environment, scopes));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:419:21
[INFO] [stdout]     |
[INFO] [stdout] 419 |         let value = try!(self.right.interpret(environment, scopes));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:436:20
[INFO] [stdout]     |
[INFO] [stdout] 436 |         let left = try!(self.left.interpret(environment, scopes));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:437:21
[INFO] [stdout]     |
[INFO] [stdout] 437 |         let right = try!(self.right.interpret(environment, scopes));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:488:28
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 let left = try!(self.left.interpret(environment, scopes));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:496:28
[INFO] [stdout]     |
[INFO] [stdout] 496 |                 let left = try!(self.left.interpret(environment, scopes));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:565:34
[INFO] [stdout]     |
[INFO] [stdout] 565 |                     let result = try!(statement.execute(&environment, scopes));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:573:33
[INFO] [stdout]     |
[INFO] [stdout] 573 |                 let condition = try!{c.condition.interpret(environment, scopes)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:582:33
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 let condition = try!{c.condition.interpret(environment, scopes)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:591:23
[INFO] [stdout]     |
[INFO] [stdout] 591 |                 while try!{l.condition.interpret(environment, scopes)
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:594:21
[INFO] [stdout]     |
[INFO] [stdout] 594 |                     try!{l.body.execute(environment, scopes)};
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:610:37
[INFO] [stdout]     |
[INFO] [stdout] 610 |                         let value = try!(superclass.interpret(environment, scopes));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     try!(statement.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 try!(resolver.declare(*identifier));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 try!(resolver.declare(*identifier));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 try!(initializer.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 try!(resolver.declare(c.name));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     try!(superclass.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     try!(method.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 try!(e.callee.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     try!(argument.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:277:17
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 try!(g.instance.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 try!(s.value.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(s.instance.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         try!{self.rvalue.resolve(resolver)};
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |         try!(resolver.declare(self.name));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:312:13
[INFO] [stdout]     |
[INFO] [stdout] 312 |             try!(resolver.declare(*argument));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |         try!(self.body.resolve(resolver));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/parser.rs:950:9
[INFO] [stdout]     |
[INFO] [stdout] 950 |         try!(consume_expected_token!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/parser.rs:976:9
[INFO] [stdout]     |
[INFO] [stdout] 976 |         try!(consume_expected_token!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     try!(writeln!(out, "== {} ==", name));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(out, "{:04}", i));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             try!(write!(out, "   |"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             try!(write!(out, "{:4}", line));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(write!(out, " "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!{disassemble_instruction(instruction, chunk, out)};
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn peek_check(&mut self, check: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:138:40
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:138:67
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/frontend/scanner.rs:156:58
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 self.current_position.increment_column();;
[INFO] [stdout]     |                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:171:45
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn advance_while(&mut self, condition: &Fn(char) -> bool) -> () {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:170:27
[INFO] [stdout]     |
[INFO] [stdout] 170 |           parse_statement: &Fn(&mut Parser, &mut Peekable<I>)
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 171 | |             -> Option<Result<Statement, ParseError>>,
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 |         parse_statement: &dyn Fn(&mut Parser, &mut Peekable<I>)
[INFO] [stdout] 171 |             -> Option<Result<Statement, ParseError>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:646:24
[INFO] [stdout]     |
[INFO] [stdout] 646 |         map_operator: &Fn(&Token) -> Option<LogicOperator>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option<LogicOperator>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:647:31
[INFO] [stdout]     |
[INFO] [stdout] 647 |         parse_subexpression: &Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:688:24
[INFO] [stdout]     |
[INFO] [stdout] 688 |         map_operator: &Fn(&Token) -> Option<BinaryOperator>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option<BinaryOperator>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:689:31
[INFO] [stdout]     |
[INFO] [stdout] 689 |         parse_subexpression: &Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:945:26
[INFO] [stdout]     |
[INFO] [stdout] 945 |         parse_argument: &Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<A, ParseError>>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<A, ParseError>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/treewalk/interpreter.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     try!(
[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/treewalk/interpreter.rs:357:33
[INFO] [stdout]     |
[INFO] [stdout] 357 |                     let value = try!(s.value.interpret(environment, scopes));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:419:21
[INFO] [stdout]     |
[INFO] [stdout] 419 |         let value = try!(self.right.interpret(environment, scopes));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:436:20
[INFO] [stdout]     |
[INFO] [stdout] 436 |         let left = try!(self.left.interpret(environment, scopes));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:437:21
[INFO] [stdout]     |
[INFO] [stdout] 437 |         let right = try!(self.right.interpret(environment, scopes));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:488:28
[INFO] [stdout]     |
[INFO] [stdout] 488 |                 let left = try!(self.left.interpret(environment, scopes));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:496:28
[INFO] [stdout]     |
[INFO] [stdout] 496 |                 let left = try!(self.left.interpret(environment, scopes));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:565:34
[INFO] [stdout]     |
[INFO] [stdout] 565 |                     let result = try!(statement.execute(&environment, scopes));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:573:33
[INFO] [stdout]     |
[INFO] [stdout] 573 |                 let condition = try!{c.condition.interpret(environment, scopes)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:582:33
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 let condition = try!{c.condition.interpret(environment, scopes)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:591:23
[INFO] [stdout]     |
[INFO] [stdout] 591 |                 while try!{l.condition.interpret(environment, scopes)
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:594:21
[INFO] [stdout]     |
[INFO] [stdout] 594 |                     try!{l.body.execute(environment, scopes)};
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/interpreter.rs:610:37
[INFO] [stdout]     |
[INFO] [stdout] 610 |                         let value = try!(superclass.interpret(environment, scopes));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     try!(statement.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 try!(resolver.declare(*identifier));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 try!(resolver.declare(*identifier));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 try!(initializer.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 try!(resolver.declare(c.name));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     try!(superclass.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     try!(method.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 try!(e.callee.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:272:21
[INFO] [stdout]     |
[INFO] [stdout] 272 |                     try!(argument.resolve(resolver));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:277:17
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 try!(g.instance.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 try!(s.value.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 try!(s.instance.resolve(resolver));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         try!{self.rvalue.resolve(resolver)};
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |         try!(resolver.declare(self.name));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:312:13
[INFO] [stdout]     |
[INFO] [stdout] 312 |             try!(resolver.declare(*argument));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/lexical_scope_resolver.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |         try!(self.body.resolve(resolver));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/parser.rs:950:9
[INFO] [stdout]     |
[INFO] [stdout] 950 |         try!(consume_expected_token!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/treewalk/parser.rs:976:9
[INFO] [stdout]     |
[INFO] [stdout] 976 |         try!(consume_expected_token!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     try!(writeln!(out, "== {} ==", name));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(out, "{:04}", i));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |             try!(write!(out, "   |"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             try!(write!(out, "{:4}", line));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         try!(write!(out, " "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm/bytecode.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         try!{disassemble_instruction(instruction, chunk, out)};
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn peek_check(&mut self, check: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:138:40
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:138:67
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn peek_check2(&mut self, check1: &Fn(char) -> bool, check2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/frontend/scanner.rs:156:58
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 self.current_position.increment_column();;
[INFO] [stdout]     |                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/frontend/scanner.rs:171:45
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn advance_while(&mut self, condition: &Fn(char) -> bool) -> () {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:170:27
[INFO] [stdout]     |
[INFO] [stdout] 170 |           parse_statement: &Fn(&mut Parser, &mut Peekable<I>)
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 171 | |             -> Option<Result<Statement, ParseError>>,
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 |         parse_statement: &dyn Fn(&mut Parser, &mut Peekable<I>)
[INFO] [stdout] 171 |             -> Option<Result<Statement, ParseError>>,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:646:24
[INFO] [stdout]     |
[INFO] [stdout] 646 |         map_operator: &Fn(&Token) -> Option<LogicOperator>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option<LogicOperator>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:647:31
[INFO] [stdout]     |
[INFO] [stdout] 647 |         parse_subexpression: &Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:688:24
[INFO] [stdout]     |
[INFO] [stdout] 688 |         map_operator: &Fn(&Token) -> Option<BinaryOperator>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Token) -> Option<BinaryOperator>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:689:31
[INFO] [stdout]     |
[INFO] [stdout] 689 |         parse_subexpression: &Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<Expr, ParseError>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/treewalk/parser.rs:945:26
[INFO] [stdout]     |
[INFO] [stdout] 945 |         parse_argument: &Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<A, ParseError>>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, &mut Peekable<I>) -> Option<Result<A, ParseError>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 48 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/treewalk/mod.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     proptest! {
[INFO] [stdout] 100 | |     #[test]
[INFO] [stdout] 101 | |     fn doesnt_crash(ref input in "\\PC*") {
[INFO] [stdout] 102 | |         let mut lox_vm = TreeWalkRuloxInterpreter::default();
[INFO] [stdout] 103 | |         lox_vm.run(input)
[INFO] [stdout] 104 | |     }
[INFO] [stdout] 105 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/vm/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     proptest! {
[INFO] [stdout] 28 | |     #[test]
[INFO] [stdout] 29 | |     #[ignore]
[INFO] [stdout] 30 | |     fn doesnt_crash(ref input in "\\PC*") {
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.52s
[INFO] running `Command { std: "docker" "inspect" "b222278528196a25e10aa0c7efb9256380882787f8956c4d05e0d41e85c40b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b222278528196a25e10aa0c7efb9256380882787f8956c4d05e0d41e85c40b5d", kill_on_drop: false }`
[INFO] [stdout] b222278528196a25e10aa0c7efb9256380882787f8956c4d05e0d41e85c40b5d