[INFO] cloning repository https://github.com/usize/rust-toy-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/usize/rust-toy-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusize%2Frust-toy-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusize%2Frust-toy-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb64f927493ef80fc762908121793a6d814c3ab0
[INFO] checking usize/rust-toy-interpreter against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusize%2Frust-toy-interpreter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/usize/rust-toy-interpreter on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/usize/rust-toy-interpreter
[INFO] finished tweaking git repo https://github.com/usize/rust-toy-interpreter
[INFO] tweaked toml for git repo https://github.com/usize/rust-toy-interpreter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/usize/rust-toy-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbe47eca38a54f853d4a5971cf277c00c0eec1c340d003ff6e6a6c1795848cd4
[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" "cbe47eca38a54f853d4a5971cf277c00c0eec1c340d003ff6e6a6c1795848cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe47eca38a54f853d4a5971cf277c00c0eec1c340d003ff6e6a6c1795848cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe47eca38a54f853d4a5971cf277c00c0eec1c340d003ff6e6a6c1795848cd4", kill_on_drop: false }`
[INFO] [stdout] cbe47eca38a54f853d4a5971cf277c00c0eec1c340d003ff6e6a6c1795848cd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 192a5f4c01dd687174987eb171522c4deddda8b58b2b7c3f4edac8f1e9a42844
[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" "192a5f4c01dd687174987eb171522c4deddda8b58b2b7c3f4edac8f1e9a42844", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking harvey v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let e = try!(self.parse_expression());
[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/parser.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 try!(self.lexer.match_token(TokenType::LPar));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let body = try!(self.parse_block());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 let e = 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/parser.rs:101:29
[INFO] [stdout]     |
[INFO] [stdout] 101 |             expr_stack.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/parser.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |         expr_list.push(try!(self.parse_term()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:140:36
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     expr_list.push(try!(self.parse_term()));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 expr_list.push(try!(self.parse_term()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:161:18
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let e1 = try!(self.parse_term());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.lexer.match_token(TokenType::Identifier));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 try!(self.lexer.match_token(TokenType::Equals));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 let e = 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/parser.rs:191:29
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let e = 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/parser.rs:195:25
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let e = 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/parser.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 try!(self.lexer.match_token(TokenType::LPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:202:28
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 let cond = 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/parser.rs:204:17
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 let body = try!(self.parse_block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |                     let else_body = try!(self.parse_block());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 try!(self.lexer.match_token(TokenType::LPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:223:28
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 let cond = 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/parser.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 let body = try!(self.parse_block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:231:25
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let e = 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/parser.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         try!(self.lexer.match_token(TokenType::LCBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         try!(self.lexer.match_token(TokenType::RCBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:269:30
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 program.push(try!(self.parse_statement()));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:280:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |         try!(self.lexer.tokenize(text.clone()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:38:63
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 OpCode::Add         => binary_op!(self, a, b, try!(a.add(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:39:63
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 OpCode::Sub         => binary_op!(self, a, b, try!(a.sub(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 OpCode::Mul         => binary_op!(self, a, b, try!(a.mul(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:41:63
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 OpCode::Div         => binary_op!(self, a, b, try!(a.div(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 | ...                   match try!(frame.run(scopes)) {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/main.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | / macro_rules! assert_ok {
[INFO] [stdout] 87 | |     ($e: expr) => (
[INFO] [stdout] 88 | |         match $e {
[INFO] [stdout] 89 | |             Ok(x) => x,
[INFO] [stdout] ...  |
[INFO] [stdout] 92 | |     )
[INFO] [stdout] 93 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let e = try!(self.parse_expression());
[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/parser.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 try!(self.lexer.match_token(TokenType::LPar));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let body = try!(self.parse_block());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 let e = 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/parser.rs:101:29
[INFO] [stdout]     |
[INFO] [stdout] 101 |             expr_stack.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/parser.rs:116:24
[INFO] [stdout]     |
[INFO] [stdout] 116 |         expr_list.push(try!(self.parse_term()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:140:36
[INFO] [stdout]     |
[INFO] [stdout] 140 |                     expr_list.push(try!(self.parse_term()));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 expr_list.push(try!(self.parse_term()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:161:18
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let e1 = try!(self.parse_term());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 try!(self.lexer.match_token(TokenType::Identifier));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 try!(self.lexer.match_token(TokenType::Equals));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 let e = 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/parser.rs:191:29
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let e = 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/parser.rs:195:25
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let e = 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/parser.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 try!(self.lexer.match_token(TokenType::LPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:202:28
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 let cond = 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/parser.rs:204:17
[INFO] [stdout]     |
[INFO] [stdout] 204 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:206:28
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 let body = try!(self.parse_block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:210:37
[INFO] [stdout]     |
[INFO] [stdout] 210 |                     let else_body = try!(self.parse_block());
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 try!(self.lexer.match_token(TokenType::LPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:223:28
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 let cond = 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/parser.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 try!(self.lexer.match_token(TokenType::RPar));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 let body = try!(self.parse_block());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:231:25
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let e = 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/parser.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         try!(self.lexer.match_token(TokenType::LCBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         try!(self.lexer.match_token(TokenType::RCBrace));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:269:30
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 program.push(try!(self.parse_statement()));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:280:9
[INFO] [stdout]     |
[INFO] [stdout] 280 |         try!(self.lexer.tokenize(text.clone()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:38:63
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 OpCode::Add         => binary_op!(self, a, b, try!(a.add(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:39:63
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 OpCode::Sub         => binary_op!(self, a, b, try!(a.sub(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 OpCode::Mul         => binary_op!(self, a, b, try!(a.mul(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/vm.rs:41:63
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 OpCode::Div         => binary_op!(self, a, b, try!(a.div(b))),
[INFO] [stdout]    |                                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/vm.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 | ...                   match try!(frame.run(scopes)) {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "192a5f4c01dd687174987eb171522c4deddda8b58b2b7c3f4edac8f1e9a42844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192a5f4c01dd687174987eb171522c4deddda8b58b2b7c3f4edac8f1e9a42844", kill_on_drop: false }`
[INFO] [stdout] 192a5f4c01dd687174987eb171522c4deddda8b58b2b7c3f4edac8f1e9a42844