[INFO] cloning repository https://github.com/nilq/sabri
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilq/sabri" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fsabri"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fsabri'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c1918e28f1cd29be9e927dc31308c81665ff259
[INFO] checking nilq/sabri against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fsabri" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilq/sabri on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nilq/sabri
[INFO] finished tweaking git repo https://github.com/nilq/sabri
[INFO] tweaked toml for git repo https://github.com/nilq/sabri written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/nilq/sabri already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb8d0724e8ea88bde627d3862ea280be5adf043e5a4a7e36939ad102f90df054
[INFO] running `"docker" "start" "-a" "cb8d0724e8ea88bde627d3862ea280be5adf043e5a4a7e36939ad102f90df054"`
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking sabri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/ast.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 try!(func.compile(sym, program));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/ast.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     try!(a.compile(sym, program))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/ast.rs:91:48
[INFO] [stderr]    |
[INFO] [stderr] 91 | ...                   Some(ref e) => try!(e.compile(&cur_sym, program)),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:109:30
[INFO] [stderr]     |
[INFO] [stderr] 109 |                         _ => try!(statement.compile(&cur_sym, program)),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:115:37
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 &Operand::Assign => try!(Self::compile_assignment(&*left, &*right, sym, program)),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:121:25
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         try!(left.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |                         try!(right.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(left.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         try!(right.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:161:21
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     try!(value.compile(sym, program));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         try!(Expression::Block(self.block.clone()).compile(&new_sym, program));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(program.close_func_context(end));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |             stack.push(try!(self.statement()));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:39:62
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     return Ok(Statement::Expression(Box::new(try!(self.expression()))))
[INFO] [stderr]    |                                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     let value = try!(self.expression());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:57:52
[INFO] [stderr]    |
[INFO] [stderr] 57 |             _ => Ok(Statement::Expression(Box::new(try!(self.expression())))),
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:66:81
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     TokenType::Block(_) => return Ok(Expression::Block(Box::new(try!(self.block())))),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let expr = try!(self.expression());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:142:59
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let lambda = Lambda::new(params, Box::new(try!(self.block())));
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:161:24
[INFO] [stderr]     |
[INFO] [stderr] 161 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 Ok(try!(p.parse()))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:215:23
[INFO] [stderr]     |
[INFO] [stderr] 215 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:240:35
[INFO] [stderr]     |
[INFO] [stderr] 240 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:248:31
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/bytecode/run.rs:170:39
[INFO] [stderr]     |
[INFO] [stderr] 170 | ...                   let ret = try!(f.call(&self.val_stack[args_pos..], &self.env));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/bytecode/run.rs:204:41
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     self.val_stack.push(try!(result));
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(p.dump(f, env_index - 1));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(writeln!(f, "------------------------------"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(writeln!(f, "<{}@{}> {}", i, env_index, v))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.dump(f, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let left = try!(get_arg(args, 0));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let right = try!(get_arg(args, 1));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:73:16
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let left = try!(get_arg(args, 0));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let right = try!(get_arg(args, 1));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let left = try!(get_arg(args, 0));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let right = try!(get_arg(args, 1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:133:15
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let arg = try!(get_arg(args, 0));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:167:40
[INFO] [stderr]     |
[INFO] [stderr] 167 |                         print!("{:x}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:167:45
[INFO] [stderr]     |
[INFO] [stderr] 167 |                         print!("{:x}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:171:38
[INFO] [stderr]     |
[INFO] [stderr] 171 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:175:38
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_float()));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:175:43
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_float()));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:179:38
[INFO] [stderr]     |
[INFO] [stderr] 179 |                         print!("{}", try!(get_arg(args, next_arg)));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:222:15
[INFO] [stderr]     |
[INFO] [stderr] 222 |     let val = try!(get_arg(args, 0));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:227:20
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Ok(Value::Bool(try!(cmp_eq(args))))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |     Ok(Value::Bool(!try!(cmp_eq(args))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:235:20
[INFO] [stderr]     |
[INFO] [stderr] 235 |     Ok(Value::Bool(try!(cmp_order(args, cmp_lt_num, cmp_lt_str))))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:239:20
[INFO] [stderr]     |
[INFO] [stderr] 239 |     Ok(Value::Bool(try!(cmp_order(args, cmp_le_num, cmp_le_str))))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:243:21
[INFO] [stderr]     |
[INFO] [stderr] 243 |     Ok(Value::Bool(!try!(cmp_order(args, cmp_le_num, cmp_le_str))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:247:21
[INFO] [stderr]     |
[INFO] [stderr] 247 |     Ok(Value::Bool(!try!(cmp_order(args, cmp_lt_num, cmp_lt_str))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:251:22
[INFO] [stderr]     |
[INFO] [stderr] 251 |     Ok(Value::Number(try!(bin_arithmetic(args, num_add, "+"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:256:33
[INFO] [stderr]     |
[INFO] [stderr] 256 |         return Ok(Value::Number(try!(un_arithmetic(args, num_neg, "-"))));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:258:22
[INFO] [stderr]     |
[INFO] [stderr] 258 |     Ok(Value::Number(try!(bin_arithmetic(args, num_sub, "-"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:262:22
[INFO] [stderr]     |
[INFO] [stderr] 262 |     Ok(Value::Number(try!(bin_arithmetic(args, num_mul, "*"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:266:22
[INFO] [stderr]     |
[INFO] [stderr] 266 |     Ok(Value::Number(try!(bin_arithmetic(args, num_div, "/"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:270:22
[INFO] [stderr]     |
[INFO] [stderr] 270 |     Ok(Value::Number(try!(bin_arithmetic(args, num_pow, "^"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Ok(Value::Number(try!(bin_arithmetic(args, num_mod, "%"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sabri/syntax/lexer/tokenizer.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(items: &mut Iterator<Item = char>) -> Tokenizer {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/tokenizer.rs:112:49
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn try_match_token(&mut self, matcher: &Matcher) -> Option<Token> {
[INFO] [stderr]     |                                                 ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/lexer.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |     matchers: Vec<Box<Matcher>>,
[INFO] [stderr]     |                       ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/lexer.rs:150:40
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn matchers(&self) -> &Vec<Box<Matcher>> {
[INFO] [stderr]     |                                        ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/lexer.rs:154:52
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn matchers_mut(&mut self) -> &mut Vec<Box<Matcher>> {
[INFO] [stderr]     |                                                    ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sabri::bytecode`
[INFO] [stderr]  --> src/sabri/syntax/parser/ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sabri::bytecode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParserErrorValue`
[INFO] [stderr]  --> src/sabri/syntax/parser/parser.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use parser::{ParserError, ParserErrorValue};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::bytecode::TokenPosition`
[INFO] [stderr]  --> src/sabri/bytecode/gen.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::bytecode::TokenPosition;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Addr`
[INFO] [stderr]   --> src/sabri/bytecode/run.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use self::bytecode::{Addr, INVALID};
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RefCell`, `Ref`
[INFO] [stderr]  --> src/sabri/value.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::{Ref, RefCell};
[INFO] [stderr]   |                 ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sabri::Value`
[INFO] [stderr]  --> src/sabri/error.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sabri::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sabri::Env`
[INFO] [stderr]  --> src/sabri/symtab.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sabri::Env;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/ast.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 try!(func.compile(sym, program));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/ast.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     try!(a.compile(sym, program))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/ast.rs:91:48
[INFO] [stderr]    |
[INFO] [stderr] 91 | ...                   Some(ref e) => try!(e.compile(&cur_sym, program)),
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:109:30
[INFO] [stderr]     |
[INFO] [stderr] 109 |                         _ => try!(statement.compile(&cur_sym, program)),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:115:37
[INFO] [stderr]     |
[INFO] [stderr] 115 |                 &Operand::Assign => try!(Self::compile_assignment(&*left, &*right, sym, program)),
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:121:25
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         try!(left.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:122:25
[INFO] [stderr]     |
[INFO] [stderr] 122 |                         try!(right.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |                         try!(left.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |                         try!(right.compile(sym, program));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:161:21
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     try!(value.compile(sym, program));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         try!(Expression::Block(self.block.clone()).compile(&new_sym, program));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/ast.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(program.close_func_context(end));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |             stack.push(try!(self.statement()));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:39:62
[INFO] [stderr]    |
[INFO] [stderr] 39 |                     return Ok(Statement::Expression(Box::new(try!(self.expression()))))
[INFO] [stderr]    |                                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     let value = try!(self.expression());
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:57:52
[INFO] [stderr]    |
[INFO] [stderr] 57 |             _ => Ok(Statement::Expression(Box::new(try!(self.expression())))),
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/syntax/parser/parser.rs:66:81
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     TokenType::Block(_) => return Ok(Expression::Block(Box::new(try!(self.block())))),
[INFO] [stderr]    |                                                                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let expr = try!(self.expression());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:142:59
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 let lambda = Lambda::new(params, Box::new(try!(self.block())));
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:161:24
[INFO] [stderr]     |
[INFO] [stderr] 161 |             stack.push(try!(self.expression()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 Ok(try!(p.parse()))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let expr = try!(self.term());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:215:23
[INFO] [stderr]     |
[INFO] [stderr] 215 |         ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:240:35
[INFO] [stderr]     |
[INFO] [stderr] 240 |                     ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/syntax/parser/parser.rs:248:31
[INFO] [stderr]     |
[INFO] [stderr] 248 |                 ex_stack.push(try!(self.term()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/bytecode/run.rs:170:39
[INFO] [stderr]     |
[INFO] [stderr] 170 | ...                   let ret = try!(f.call(&self.val_stack[args_pos..], &self.env));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/bytecode/run.rs:204:41
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     self.val_stack.push(try!(result));
[INFO] [stderr]     |                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(p.dump(f, env_index - 1));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(writeln!(f, "------------------------------"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(writeln!(f, "<{}@{}> {}", i, env_index, v))
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/env.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.dump(f, 0));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let left = try!(get_arg(args, 0));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let right = try!(get_arg(args, 1));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:73:16
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let left = try!(get_arg(args, 0));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sabri/native.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let right = try!(get_arg(args, 1));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let left = try!(get_arg(args, 0));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let right = try!(get_arg(args, 1));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:133:15
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let arg = try!(get_arg(args, 0));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:167:40
[INFO] [stderr]     |
[INFO] [stderr] 167 |                         print!("{:x}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:167:45
[INFO] [stderr]     |
[INFO] [stderr] 167 |                         print!("{:x}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:171:38
[INFO] [stderr]     |
[INFO] [stderr] 171 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_int()));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:175:38
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_float()));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:175:43
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         print!("{}", try!(try!(get_arg(args, next_arg)).as_float()));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:179:38
[INFO] [stderr]     |
[INFO] [stderr] 179 |                         print!("{}", try!(get_arg(args, next_arg)));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:222:15
[INFO] [stderr]     |
[INFO] [stderr] 222 |     let val = try!(get_arg(args, 0));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:227:20
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Ok(Value::Bool(try!(cmp_eq(args))))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |     Ok(Value::Bool(!try!(cmp_eq(args))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:235:20
[INFO] [stderr]     |
[INFO] [stderr] 235 |     Ok(Value::Bool(try!(cmp_order(args, cmp_lt_num, cmp_lt_str))))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:239:20
[INFO] [stderr]     |
[INFO] [stderr] 239 |     Ok(Value::Bool(try!(cmp_order(args, cmp_le_num, cmp_le_str))))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:243:21
[INFO] [stderr]     |
[INFO] [stderr] 243 |     Ok(Value::Bool(!try!(cmp_order(args, cmp_le_num, cmp_le_str))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:247:21
[INFO] [stderr]     |
[INFO] [stderr] 247 |     Ok(Value::Bool(!try!(cmp_order(args, cmp_lt_num, cmp_lt_str))))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:251:22
[INFO] [stderr]     |
[INFO] [stderr] 251 |     Ok(Value::Number(try!(bin_arithmetic(args, num_add, "+"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:256:33
[INFO] [stderr]     |
[INFO] [stderr] 256 |         return Ok(Value::Number(try!(un_arithmetic(args, num_neg, "-"))));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:258:22
[INFO] [stderr]     |
[INFO] [stderr] 258 |     Ok(Value::Number(try!(bin_arithmetic(args, num_sub, "-"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:262:22
[INFO] [stderr]     |
[INFO] [stderr] 262 |     Ok(Value::Number(try!(bin_arithmetic(args, num_mul, "*"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:266:22
[INFO] [stderr]     |
[INFO] [stderr] 266 |     Ok(Value::Number(try!(bin_arithmetic(args, num_div, "/"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:270:22
[INFO] [stderr]     |
[INFO] [stderr] 270 |     Ok(Value::Number(try!(bin_arithmetic(args, num_pow, "^"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sabri/native.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Ok(Value::Number(try!(bin_arithmetic(args, num_mod, "%"))))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sabri/syntax/lexer/tokenizer.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(items: &mut Iterator<Item = char>) -> Tokenizer {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/tokenizer.rs:112:49
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn try_match_token(&mut self, matcher: &Matcher) -> Option<Token> {
[INFO] [stderr]     |                                                 ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/lexer.rs:128:23
[INFO] [stderr]     |
[INFO] [stderr] 128 |     matchers: Vec<Box<Matcher>>,
[INFO] [stderr]     |                       ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/lexer.rs:150:40
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn matchers(&self) -> &Vec<Box<Matcher>> {
[INFO] [stderr]     |                                        ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sabri/syntax/lexer/lexer.rs:154:52
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn matchers_mut(&mut self) -> &mut Vec<Box<Matcher>> {
[INFO] [stderr]     |                                                    ^^^^^^^ help: use `dyn`: `dyn Matcher`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sabri::bytecode`
[INFO] [stderr]  --> src/sabri/syntax/parser/ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sabri::bytecode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParserErrorValue`
[INFO] [stderr]  --> src/sabri/syntax/parser/parser.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use parser::{ParserError, ParserErrorValue};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::bytecode::TokenPosition`
[INFO] [stderr]  --> src/sabri/bytecode/gen.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use self::bytecode::TokenPosition;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Addr`
[INFO] [stderr]   --> src/sabri/bytecode/run.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use self::bytecode::{Addr, INVALID};
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RefCell`, `Ref`
[INFO] [stderr]  --> src/sabri/value.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::{Ref, RefCell};
[INFO] [stderr]   |                 ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sabri::Value`
[INFO] [stderr]  --> src/sabri/error.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sabri::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sabri::Env`
[INFO] [stderr]  --> src/sabri/symtab.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sabri::Env;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:49:66
[INFO] [stderr]    |
[INFO] [stderr] 49 |         Err(why) => panic!("failed to open {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:55:67
[INFO] [stderr]    |
[INFO] [stderr] 55 |         Err(why) => panic!("failed to read {}: {}", display,  why.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:49:66
[INFO] [stderr]    |
[INFO] [stderr] 49 |         Err(why) => panic!("failed to open {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:55:67
[INFO] [stderr]    |
[INFO] [stderr] 55 |         Err(why) => panic!("failed to read {}: {}", display,  why.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]   --> src/sabri/value.rs:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Value::Number(f)     => Ok(f as i64),
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]   --> src/sabri/value.rs:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Value::Number(f)     => Ok(f as i64),
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 74 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 74 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `sabri`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `sabri`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cb8d0724e8ea88bde627d3862ea280be5adf043e5a4a7e36939ad102f90df054"`
[INFO] running `"docker" "rm" "-f" "cb8d0724e8ea88bde627d3862ea280be5adf043e5a4a7e36939ad102f90df054"`
[INFO] [stdout] cb8d0724e8ea88bde627d3862ea280be5adf043e5a4a7e36939ad102f90df054