[INFO] updating cached repository tawashichan/t_lang_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tawashichan/t_lang_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tawashichan/t_lang_rs" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tawashichan/t_lang_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tawashichan/t_lang_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tawashichan/t_lang_rs" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tawashichan/t_lang_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tawashichan/t_lang_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 05d0dba0010e66fecab1cddee0727477b1331710
[INFO] sha for GitHub repo tawashichan/t_lang_rs: 05d0dba0010e66fecab1cddee0727477b1331710
[INFO] validating manifest of tawashichan/t_lang_rs on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tawashichan/t_lang_rs on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tawashichan/t_lang_rs
[INFO] finished frobbing tawashichan/t_lang_rs
[INFO] frobbed toml for tawashichan/t_lang_rs written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/tawashichan/t_lang_rs/Cargo.toml
[INFO] started frobbing tawashichan/t_lang_rs
[INFO] finished frobbing tawashichan/t_lang_rs
[INFO] frobbed toml for tawashichan/t_lang_rs written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tawashichan/t_lang_rs/Cargo.toml
[INFO] crate tawashichan/t_lang_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tawashichan/t_lang_rs against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/tawashichan/t_lang_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0161d08d06185fe1ecc4007c2217657cba6c26b57818033a710c01efa64c2076
[INFO] running `"docker" "start" "-a" "0161d08d06185fe1ecc4007c2217657cba6c26b57818033a710c01efa64c2076"`
[INFO] [stderr]     Checking t_lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `init_prog`
[INFO] [stderr]  --> src/eval.rs:4:40
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::ast::{Typ,Exp,Stmt,Prog,Var,init_prog};
[INFO] [stderr]   |                                        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::*`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use crate::ast::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::Stmt::*`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::ast::Stmt::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::Exp::*`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use crate::ast::Exp::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::Typ::*`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::ast::Typ::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::Var::*`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use crate::ast::Var::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexer::Token`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::lexer::Token;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:41:46
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn write_to_file(s: &str) ->  Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexer::Token`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::lexer::Token;
[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/main.rs:41:46
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn write_to_file(s: &str) ->  Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/eval.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         _ => panic!("{:?}",stmts)
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let code = "let a = 1
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |         [Token::FUNCTION,rest..] => parse_function(tokens),
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:64:36
[INFO] [stderr]    |
[INFO] [stderr] 64 |         [Token::VAR(s),Token::LPAR,rest..] => {
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |         [Token::STRUCT,rest..] => parse_struct(tokens),
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |         [Token::LBRACE,rest..] => {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |         [Token::LET,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |         [Token::FUNCTION,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:86:24
[INFO] [stderr]    |
[INFO] [stderr] 86 |         [Token::RETURN,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |         [Token::STRUCT,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |         [Token::LBRACE,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |         [Token::LPAR,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:90:20
[INFO] [stderr]    |
[INFO] [stderr] 90 |         [Token::IF,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/parser.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |         [Token::INT(i),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:91:24
[INFO] [stderr]    |
[INFO] [stderr] 91 |         [Token::INT(i),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:92:36
[INFO] [stderr]    |
[INFO] [stderr] 92 |         [Token::VAR(s),Token::LPAR,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |         [Token::VAR(s),Token::LPAR,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |         [Token::VAR(s),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |         [Token::VAR(s),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:94:28
[INFO] [stderr]    |
[INFO] [stderr] 94 |         [Token::STRING(s), rest..] => CheckNext::Expr,
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |         [Token::STRING(s), rest..] => CheckNext::Expr,
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |         [Token::NOT,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |         [Token::TRUE,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |         [Token::FALSE,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                       ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |         [Token::LBRACKET,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:162:22
[INFO] [stderr]     |
[INFO] [stderr] 162 |         [Token::RPAR,rest..] => (tokens,args.to_vec()),
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/parser.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |         [Token::VAR(s),Token::LPAR,rest..] =>  {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:189:22
[INFO] [stderr]     |
[INFO] [stderr] 189 |         [Token::RPAR,rest..] => (tokens, args.to_vec()),
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:211:24
[INFO] [stderr]     |
[INFO] [stderr] 211 |         [Token::LBRACE,rest..] => (tokens,Typ::VoidTyp),
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:287:36
[INFO] [stderr]     |
[INFO] [stderr] 287 |         [Token::VAR(s),Token::LPAR,rest..] => {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/eval.rs:26:56
[INFO] [stderr]    |
[INFO] [stderr] 26 |     p.stmts.into_iter().fold((Object::NoneObj,env),  |(obj,e),current|
[INFO] [stderr]    |                                                        ^^^ help: consider prefixing with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/eval.rs:52:82
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (obj,e) = stmts.into_iter().fold((Object::NoneObj,local_env),  |(obj,e),current|
[INFO] [stderr]    |                                                                                  ^^^ help: consider prefixing with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/eval.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (obj,e) = stmts.into_iter().fold((Object::NoneObj,local_env),  |(obj,e),current|
[INFO] [stderr]    |                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/eval.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |         [Stmt::Return(exp),rest..] => {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/eval.rs:93:18
[INFO] [stderr]    |
[INFO] [stderr] 93 |             let (obj,env) = eval_stmt(first.clone(), env.clone());
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/eval.rs:355:21
[INFO] [stderr]     |
[INFO] [stderr] 355 |         Object::Int(i) => match expected {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/eval.rs:359:23
[INFO] [stderr]     |
[INFO] [stderr] 359 |          Object::Bool(i) => match expected {
[INFO] [stderr]     |                       ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/interactive.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let (obj,e) = eval::eval_prog(ast,env);
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `int_index`
[INFO] [stderr]   --> src/compiler.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let int_index = state.add_constant(Object::Int(i.clone()));
[INFO] [stderr]    |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_int_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/gen_x86.rs:61:53
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn gen_func_dec(name: &str, args: &[(String, Typ)], ret: &Typ, body: &Stmt) -> String {
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current`
[INFO] [stderr]    --> src/gen_x86.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 .fold("".to_string(), |acm, current| acm + "\nmov rdi, 1");
[INFO] [stderr]     |                                             ^^^^^^^ help: consider prefixing with an underscore: `_current`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interactive.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut env = eval::init_env();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IndexedVar`
[INFO] [stderr]   --> src/ast.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     IndexedVar(Box<Var>,Exp)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/eval.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         _ => panic!("{:?}",stmts)
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] warning: variant is never constructed: `NilStmt`
[INFO] [stderr]   --> src/ast.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     NilStmt
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArrayTyp`
[INFO] [stderr]   --> src/ast.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     ArrayTyp(i64,Box<Typ>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]   --> src/ast.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn size(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NULL`
[INFO] [stderr]   --> src/lexer.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     NULL,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_str`
[INFO] [stderr]   --> src/lexer.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn get_str(str_vec: &[char]) -> (String, &[char]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_str_sub`
[INFO] [stderr]   --> src/lexer.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn get_str_sub(str_vec: &[char],acm: String) -> (String,&[char]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_prog`
[INFO] [stderr]   --> src/eval.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn eval_prog(p: Prog,env: Env) -> (Object,Env) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_env`
[INFO] [stderr]   --> src/eval.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn init_env<'a>() -> Env<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `local_env`
[INFO] [stderr]   --> src/eval.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn local_env<'a>(prev: &'a Env<'a>) -> Env<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_stmt`
[INFO] [stderr]   --> src/eval.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn eval_stmt(stmt: Stmt,mut env: Env) -> (Object,Env) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_block`
[INFO] [stderr]   --> src/eval.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn eval_block(block: Stmt,env: &Env) -> Object {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_block_sub`
[INFO] [stderr]   --> src/eval.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn eval_block_sub(stmts: &[Stmt],env: &Env) -> Object {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_exp`
[INFO] [stderr]    --> src/eval.rs:101:1
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn eval_exp(exp: Exp,env: &Env) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_if`
[INFO] [stderr]    --> src/eval.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn eval_if(cond: Exp,then: Stmt,els: Option<Stmt>,env: &Env) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_proc`
[INFO] [stderr]    --> src/eval.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn eval_proc(name: String,exps: Vec<Exp>,env: &Env) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `call_func`
[INFO] [stderr]    --> src/eval.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn call_func(name: String,exps: Vec<Exp>,env: &Env) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `call_decleared_func`
[INFO] [stderr]    --> src/eval.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn call_decleared_func(name: String,args: Vec<Exp>,env: &Env) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bind_args`
[INFO] [stderr]    --> src/eval.rs:215:1
[INFO] [stderr]     |
[INFO] [stderr] 215 | fn bind_args<'a>(def_args: Vec<(String,Typ)>,call_args: Vec<Exp>,env: &'a mut Env<'a>) -> &'a Env<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_int`
[INFO] [stderr]    --> src/eval.rs:229:1
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn add_int(i1: Object,i2: Object) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_int`
[INFO] [stderr]    --> src/eval.rs:243:1
[INFO] [stderr]     |
[INFO] [stderr] 243 | fn mul_int(i1: Object,i2: Object) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `minus_int`
[INFO] [stderr]    --> src/eval.rs:257:1
[INFO] [stderr]     |
[INFO] [stderr] 257 | fn minus_int(i1: Object,i2: Object) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `div_int`
[INFO] [stderr]    --> src/eval.rs:271:1
[INFO] [stderr]     |
[INFO] [stderr] 271 | fn div_int(i1: Object,i2: Object) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `equality`
[INFO] [stderr]    --> src/eval.rs:285:1
[INFO] [stderr]     |
[INFO] [stderr] 285 | fn equality(o1: Object,o2: Object) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gt`
[INFO] [stderr]    --> src/eval.rs:290:1
[INFO] [stderr]     |
[INFO] [stderr] 290 | fn gt(o1: Object,o2: Object) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lt`
[INFO] [stderr]    --> src/eval.rs:303:1
[INFO] [stderr]     |
[INFO] [stderr] 303 | fn lt(o1: Object,o2: Object) -> Object {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_arg_num`
[INFO] [stderr]    --> src/eval.rs:317:1
[INFO] [stderr]     |
[INFO] [stderr] 317 | fn check_arg_num(func_name: &str,exps: &Vec<Exp>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search_func`
[INFO] [stderr]    --> src/eval.rs:333:1
[INFO] [stderr]     |
[INFO] [stderr] 333 | fn search_func(name: String,env: &Env) -> Option<FuncContent> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search_val`
[INFO] [stderr]    --> src/eval.rs:343:1
[INFO] [stderr]     |
[INFO] [stderr] 343 | fn search_val(name: String,env: &Env) -> Option<Object> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_type`
[INFO] [stderr]    --> src/eval.rs:353:1
[INFO] [stderr]     |
[INFO] [stderr] 353 | fn check_type(target: &Object,expected: &Typ) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_itl`
[INFO] [stderr]   --> src/interactive.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn start_itl() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exec_file`
[INFO] [stderr]   --> src/interactive.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn exec_file(filename: &str){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_repl`
[INFO] [stderr]   --> src/interactive.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn init_repl(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute`
[INFO] [stderr]   --> src/interactive.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn execute(s: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Constant`
[INFO] [stderr]  --> src/vm.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Constant(Opcode),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pop`
[INFO] [stderr]   --> src/vm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Pop(Opcode),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Push`
[INFO] [stderr]   --> src/vm.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Push(Opcode),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/vm.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Add(Opcode,Object,Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `State`
[INFO] [stderr]  --> src/compiler.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct State {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/compiler.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new() -> State {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_constant`
[INFO] [stderr]   --> src/compiler.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn add_constant(&mut self,obj: Object) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile`
[INFO] [stderr]   --> src/compiler.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn compile(p: Prog) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_stmt`
[INFO] [stderr]   --> src/compiler.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn process_stmt(state: State,stmt: Stmt) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_exp`
[INFO] [stderr]   --> src/compiler.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn process_exp(mut state: State,exp: &Exp) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]  --> src/object.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(i64),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]  --> src/object.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     String(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]  --> src/object.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Bool(bool),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Struct`
[INFO] [stderr]  --> src/object.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Struct(String,HashMap<String,Object>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoneObj`
[INFO] [stderr]  --> src/object.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     NoneObj,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     write_to_file(&result);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let code = "let a = 1
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_code`
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |         [Token::FUNCTION,rest..] => parse_function(tokens),
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:64:36
[INFO] [stderr]    |
[INFO] [stderr] 64 |         [Token::VAR(s),Token::LPAR,rest..] => {
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |         [Token::STRUCT,rest..] => parse_struct(tokens),
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |         [Token::LBRACE,rest..] => {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |         [Token::LET,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |         [Token::FUNCTION,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:86:24
[INFO] [stderr]    |
[INFO] [stderr] 86 |         [Token::RETURN,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |         [Token::STRUCT,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |         [Token::LBRACE,rest..] => CheckNext::Stmt,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:89:22
[INFO] [stderr]    |
[INFO] [stderr] 89 |         [Token::LPAR,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:90:20
[INFO] [stderr]    |
[INFO] [stderr] 90 |         [Token::IF,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/parser.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |         [Token::INT(i),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:91:24
[INFO] [stderr]    |
[INFO] [stderr] 91 |         [Token::INT(i),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:92:36
[INFO] [stderr]    |
[INFO] [stderr] 92 |         [Token::VAR(s),Token::LPAR,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:92:21
[INFO] [stderr]    |
[INFO] [stderr] 92 |         [Token::VAR(s),Token::LPAR,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |         [Token::VAR(s),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |         [Token::VAR(s),rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:94:28
[INFO] [stderr]    |
[INFO] [stderr] 94 |         [Token::STRING(s), rest..] => CheckNext::Expr,
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |         [Token::STRING(s), rest..] => CheckNext::Expr,
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |         [Token::NOT,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |         [Token::TRUE,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |         [Token::FALSE,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                       ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/parser.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |         [Token::LBRACKET,rest..] => CheckNext::Expr,
[INFO] [stderr]    |                          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:162:22
[INFO] [stderr]     |
[INFO] [stderr] 162 |         [Token::RPAR,rest..] => (tokens,args.to_vec()),
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/parser.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |         [Token::VAR(s),Token::LPAR,rest..] =>  {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:189:22
[INFO] [stderr]     |
[INFO] [stderr] 189 |         [Token::RPAR,rest..] => (tokens, args.to_vec()),
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:211:24
[INFO] [stderr]     |
[INFO] [stderr] 211 |         [Token::LBRACE,rest..] => (tokens,Typ::VoidTyp),
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:287:36
[INFO] [stderr]     |
[INFO] [stderr] 287 |         [Token::VAR(s),Token::LPAR,rest..] => {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:332:10
[INFO] [stderr]     |
[INFO] [stderr] 332 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:339:10
[INFO] [stderr]     |
[INFO] [stderr] 339 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:346:10
[INFO] [stderr]     |
[INFO] [stderr] 346 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:353:10
[INFO] [stderr]     |
[INFO] [stderr] 353 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:360:10
[INFO] [stderr]     |
[INFO] [stderr] 360 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:368:14
[INFO] [stderr]     |
[INFO] [stderr] 368 |         let (rest, exp) = parse_exp(&tokens);
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exp`
[INFO] [stderr]    --> src/parser.rs:368:20
[INFO] [stderr]     |
[INFO] [stderr] 368 |         let (rest, exp) = parse_exp(&tokens);
[INFO] [stderr]     |                    ^^^ help: consider prefixing with an underscore: `_exp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:377:10
[INFO] [stderr]     |
[INFO] [stderr] 377 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:384:10
[INFO] [stderr]     |
[INFO] [stderr] 384 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:391:10
[INFO] [stderr]     |
[INFO] [stderr] 391 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:398:10
[INFO] [stderr]     |
[INFO] [stderr] 398 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:405:10
[INFO] [stderr]     |
[INFO] [stderr] 405 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:412:10
[INFO] [stderr]     |
[INFO] [stderr] 412 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:420:10
[INFO] [stderr]     |
[INFO] [stderr] 420 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:427:10
[INFO] [stderr]     |
[INFO] [stderr] 427 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:434:10
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:441:10
[INFO] [stderr]     |
[INFO] [stderr] 441 |     let (rest,stmt) = parse_stmt(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:450:10
[INFO] [stderr]     |
[INFO] [stderr] 450 |     let (rest, exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:457:10
[INFO] [stderr]     |
[INFO] [stderr] 457 |     let (rest, exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:465:10
[INFO] [stderr]     |
[INFO] [stderr] 465 |     let (rest,exp) = parse_exp(&tokens);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:472:10
[INFO] [stderr]     |
[INFO] [stderr] 472 |     let (rest, stmts) = parse_stmts(&tokens,&mut vec![]);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:479:10
[INFO] [stderr]     |
[INFO] [stderr] 479 |     let (rest, stmts) = parse_stmts(&tokens,&mut vec![]);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:486:10
[INFO] [stderr]     |
[INFO] [stderr] 486 |     let (rest, stmts) = parse_stmts(&tokens,&mut vec![]);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]    --> src/parser.rs:494:10
[INFO] [stderr]     |
[INFO] [stderr] 494 |     let (rest, stmts) = parse_stmts(&tokens,&mut vec![]);
[INFO] [stderr]     |          ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/eval.rs:26:56
[INFO] [stderr]    |
[INFO] [stderr] 26 |     p.stmts.into_iter().fold((Object::NoneObj,env),  |(obj,e),current|
[INFO] [stderr]    |                                                        ^^^ help: consider prefixing with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/eval.rs:52:82
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (obj,e) = stmts.into_iter().fold((Object::NoneObj,local_env),  |(obj,e),current|
[INFO] [stderr]    |                                                                                  ^^^ help: consider prefixing with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/eval.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let (obj,e) = stmts.into_iter().fold((Object::NoneObj,local_env),  |(obj,e),current|
[INFO] [stderr]    |                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]   --> src/eval.rs:85:28
[INFO] [stderr]    |
[INFO] [stderr] 85 |         [Stmt::Return(exp),rest..] => {
[INFO] [stderr]    |                            ^^^^ help: consider prefixing with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/eval.rs:93:18
[INFO] [stderr]    |
[INFO] [stderr] 93 |             let (obj,env) = eval_stmt(first.clone(), env.clone());
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_obj`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/eval.rs:355:21
[INFO] [stderr]     |
[INFO] [stderr] 355 |         Object::Int(i) => match expected {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/eval.rs:359:23
[INFO] [stderr]     |
[INFO] [stderr] 359 |          Object::Bool(i) => match expected {
[INFO] [stderr]     |                       ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/interactive.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let (obj,e) = eval::eval_prog(ast,env);
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `int_index`
[INFO] [stderr]   --> src/compiler.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |             let int_index = state.add_constant(Object::Int(i.clone()));
[INFO] [stderr]    |                 ^^^^^^^^^ help: consider prefixing with an underscore: `_int_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/gen_x86.rs:61:53
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn gen_func_dec(name: &str, args: &[(String, Typ)], ret: &Typ, body: &Stmt) -> String {
[INFO] [stderr]    |                                                     ^^^ help: consider prefixing with an underscore: `_ret`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current`
[INFO] [stderr]    --> src/gen_x86.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 .fold("".to_string(), |acm, current| acm + "\nmov rdi, 1");
[INFO] [stderr]     |                                             ^^^^^^^ help: consider prefixing with an underscore: `_current`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interactive.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut env = eval::init_env();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IndexedVar`
[INFO] [stderr]   --> src/ast.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     IndexedVar(Box<Var>,Exp)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NilStmt`
[INFO] [stderr]   --> src/ast.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     NilStmt
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArrayTyp`
[INFO] [stderr]   --> src/ast.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     ArrayTyp(i64,Box<Typ>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]   --> src/ast.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn size(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NULL`
[INFO] [stderr]   --> src/lexer.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     NULL,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_str`
[INFO] [stderr]   --> src/lexer.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn get_str(str_vec: &[char]) -> (String, &[char]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_str_sub`
[INFO] [stderr]   --> src/lexer.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn get_str_sub(str_vec: &[char],acm: String) -> (String,&[char]) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_itl`
[INFO] [stderr]   --> src/interactive.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn start_itl() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exec_file`
[INFO] [stderr]   --> src/interactive.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn exec_file(filename: &str){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_repl`
[INFO] [stderr]   --> src/interactive.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn init_repl(){
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute`
[INFO] [stderr]   --> src/interactive.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn execute(s: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Constant`
[INFO] [stderr]  --> src/vm.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Constant(Opcode),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pop`
[INFO] [stderr]   --> src/vm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Pop(Opcode),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Push`
[INFO] [stderr]   --> src/vm.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Push(Opcode),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/vm.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Add(Opcode,Object,Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `instructions`
[INFO] [stderr]  --> src/compiler.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     instructions: Vec<Instruction>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile`
[INFO] [stderr]   --> src/compiler.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn compile(p: Prog) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_stmt`
[INFO] [stderr]   --> src/compiler.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn process_stmt(state: State,stmt: Stmt) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_exp`
[INFO] [stderr]   --> src/compiler.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn process_exp(mut state: State,exp: &Exp) -> State {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]  --> src/object.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     String(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Struct`
[INFO] [stderr]  --> src/object.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Struct(String,HashMap<String,Object>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     write_to_file(&result);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "0161d08d06185fe1ecc4007c2217657cba6c26b57818033a710c01efa64c2076"`
[INFO] running `"docker" "rm" "-f" "0161d08d06185fe1ecc4007c2217657cba6c26b57818033a710c01efa64c2076"`
[INFO] [stdout] 0161d08d06185fe1ecc4007c2217657cba6c26b57818033a710c01efa64c2076