[INFO] cloning repository https://github.com/GlomGlom57/Kaelang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GlomGlom57/Kaelang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlomGlom57%2FKaelang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlomGlom57%2FKaelang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87a215a2d0ee61e96ecf0c78c28c3f4f00c9158e
[INFO] linting GlomGlom57/Kaelang against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlomGlom57%2FKaelang" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GlomGlom57/Kaelang
[INFO] finished tweaking git repo https://github.com/GlomGlom57/Kaelang
[INFO] tweaked toml for git repo https://github.com/GlomGlom57/Kaelang written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GlomGlom57/Kaelang on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GlomGlom57/Kaelang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71be34af90f170f4867c9050a0b0477f218c4504b3a5f559ec557060fbf80e58
[INFO] running `Command { std: "docker" "start" "-a" "71be34af90f170f4867c9050a0b0477f218c4504b3a5f559ec557060fbf80e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71be34af90f170f4867c9050a0b0477f218c4504b3a5f559ec557060fbf80e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71be34af90f170f4867c9050a0b0477f218c4504b3a5f559ec557060fbf80e58", kill_on_drop: false }`
[INFO] [stdout] 71be34af90f170f4867c9050a0b0477f218c4504b3a5f559ec557060fbf80e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3391920748a73ef8161bec18a88635eadaf1bb09c0a11cb41f8efb77ec550f8
[INFO] running `Command { std: "docker" "start" "-a" "a3391920748a73ef8161bec18a88635eadaf1bb09c0a11cb41f8efb77ec550f8", kill_on_drop: false }`
[INFO] [stderr]     Checking kaelang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/compile.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |             output.1.push_str(&value);
[INFO] [stdout]    |                               ^^^^^^ help: change this to: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/compile.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     output.push_str(&format!("\n_start:"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"\n_start:".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/compile.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     flags: &Vec<bool>,
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 101 -     flags: &Vec<bool>,
[INFO] [stdout] 101 +     flags: &[bool],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compile.rs:110:44
[INFO] [stdout]     |
[INFO] [stdout] 110 |         s_file.push_str(&write_data(false, &symbol_table));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^ help: change this to: `symbol_table`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compile.rs:115:43
[INFO] [stdout]     |
[INFO] [stdout] 115 |         s_file.push_str(&write_data(true, &symbol_table));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^ help: change this to: `symbol_table`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/verify.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Type::Function => return 0,
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 12 -         Type::Function => return 0,
[INFO] [stdout] 12 +         Type::Function => 0,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/verify.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Type::Str(_) => return 1,
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         Type::Str(_) => return 1,
[INFO] [stdout] 13 +         Type::Str(_) => 1,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/verify.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         _ => return 2,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 14 -         _ => return 2,
[INFO] [stdout] 14 +         _ => 2,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/verify.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn lexic_analysis(program: &String, tokens: &mut Vec<Vec<String>>) {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 19 - fn lexic_analysis(program: &String, tokens: &mut Vec<Vec<String>>) {
[INFO] [stdout] 19 + fn lexic_analysis(program: &str, tokens: &mut Vec<Vec<String>>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/verify.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     return true;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 181 -     return true;
[INFO] [stdout] 181 +     true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `token_line.get(0)`
[INFO] [stdout]   --> src/verify.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |         match token_line.get(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^ help: try: `token_line.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/verify.rs:93:49
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...                   let mutable: bool;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `mutable` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 93 ~                                                 
[INFO] [stdout] 94 ~                                                 let mutable: bool = if first_token == "var" {
[INFO] [stdout] 95 ~                                                     true
[INFO] [stdout] 96 |                                                 } else {
[INFO] [stdout] 97 ~                                                     false
[INFO] [stdout] 98 ~                                                 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression assigns a bool literal
[INFO] [stdout]   --> src/verify.rs:94:49
[INFO] [stdout]    |
[INFO] [stdout] 94 | / ...                   if first_token == "var" {
[INFO] [stdout] 95 | | ...                       mutable = true;
[INFO] [stdout] 96 | | ...                   } else {
[INFO] [stdout] 97 | | ...                       mutable = false;
[INFO] [stdout] 98 | | ...                   }
[INFO] [stdout]    | |_______________________^ help: you can reduce it to: `mutable = first_token == "var";`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool_assign
[INFO] [stdout]    = note: `#[warn(clippy::needless_bool_assign)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stdout]    --> src/verify.rs:171:32
[INFO] [stdout]     |
[INFO] [stdout] 171 |                         if let None = symbol_table.get(e) {
[INFO] [stdout]     |                         -------^^^^---------------------- help: try: `if symbol_table.get(e).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]     = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/verify.rs:299:36
[INFO] [stdout]     |
[INFO] [stdout] 299 | ...                   if !(verify_types(data_type) == verify_types(operator_type)) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(verify_types(data_type) != verify_types(operator_type))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/verify.rs:322:5
[INFO] [stdout]     |
[INFO] [stdout] 322 |     return true;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 322 -     return true;
[INFO] [stdout] 322 +     true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/verify.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 187 |     flags: &mut Vec<bool>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 187 -     flags: &mut Vec<bool>,
[INFO] [stdout] 187 +     flags: &mut [bool],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/verify.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 if is_function == false {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^ help: try: `!is_function`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]    --> src/verify.rs:300:58
[INFO] [stdout]     |
[INFO] [stdout] 300 |   ...                   return error_message(&*format!(
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 301 | | ...                       "Error: Mismatched types (destiny: {:?}, operator: {:?})",
[INFO] [stdout] 302 | | ...                       operator_type, data_type
[INFO] [stdout] 303 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout]     = note: `#[warn(clippy::explicit_auto_deref)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 300 ~                                     return error_message(&format!(
[INFO] [stdout] 301 +                                         "Error: Mismatched types (destiny: {:?}, operator: {:?})",
[INFO] [stdout] 302 +                                         operator_type, data_type
[INFO] [stdout] 303 ~                                     ));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]    --> src/verify.rs:306:54
[INFO] [stdout]     |
[INFO] [stdout] 306 |   ...                   return error_message(&*format!(
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 307 | | ...                       "Error: Unknown operator ({})",
[INFO] [stdout] 308 | | ...                       sign
[INFO] [stdout] 309 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 306 ~                                 return error_message(&format!(
[INFO] [stdout] 307 +                                     "Error: Unknown operator ({})",
[INFO] [stdout] 308 +                                     sign
[INFO] [stdout] 309 ~                                 ));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/verify.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |     return true;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 349 -     return true;
[INFO] [stdout] 349 +     true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/verify.rs:334:20
[INFO] [stdout]     |
[INFO] [stdout] 334 |     lexic_analysis(&program, tokens);
[INFO] [stdout]     |                    ^^^^^^^^ help: change this to: `program`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/verify.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |     if !syntax_analysis(&tokens, symbol_table) {
[INFO] [stdout]     |                         ^^^^^^^ help: change this to: `tokens`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/compile.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |             output.1.push_str(&value);
[INFO] [stdout]    |                               ^^^^^^ help: change this to: `value`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]   --> src/compile.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     output.push_str(&format!("\n_start:"));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"\n_start:".to_string()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]    = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/compile.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     flags: &Vec<bool>,
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 101 -     flags: &Vec<bool>,
[INFO] [stdout] 101 +     flags: &[bool],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compile.rs:110:44
[INFO] [stdout]     |
[INFO] [stdout] 110 |         s_file.push_str(&write_data(false, &symbol_table));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^ help: change this to: `symbol_table`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/compile.rs:115:43
[INFO] [stdout]     |
[INFO] [stdout] 115 |         s_file.push_str(&write_data(true, &symbol_table));
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^ help: change this to: `symbol_table`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/verify.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Type::Function => return 0,
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 12 -         Type::Function => return 0,
[INFO] [stdout] 12 +         Type::Function => 0,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/verify.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Type::Str(_) => return 1,
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         Type::Str(_) => return 1,
[INFO] [stdout] 13 +         Type::Str(_) => 1,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/verify.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |         _ => return 2,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 14 -         _ => return 2,
[INFO] [stdout] 14 +         _ => 2,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/verify.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn lexic_analysis(program: &String, tokens: &mut Vec<Vec<String>>) {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 19 - fn lexic_analysis(program: &String, tokens: &mut Vec<Vec<String>>) {
[INFO] [stdout] 19 + fn lexic_analysis(program: &str, tokens: &mut Vec<Vec<String>>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/verify.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     return true;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 181 -     return true;
[INFO] [stdout] 181 +     true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `token_line.get(0)`
[INFO] [stdout]   --> src/verify.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |         match token_line.get(0) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^ help: try: `token_line.first()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]    = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/verify.rs:93:49
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...                   let mutable: bool;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `mutable` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 93 ~                                                 
[INFO] [stdout] 94 ~                                                 let mutable: bool = if first_token == "var" {
[INFO] [stdout] 95 ~                                                     true
[INFO] [stdout] 96 |                                                 } else {
[INFO] [stdout] 97 ~                                                     false
[INFO] [stdout] 98 ~                                                 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression assigns a bool literal
[INFO] [stdout]   --> src/verify.rs:94:49
[INFO] [stdout]    |
[INFO] [stdout] 94 | / ...                   if first_token == "var" {
[INFO] [stdout] 95 | | ...                       mutable = true;
[INFO] [stdout] 96 | | ...                   } else {
[INFO] [stdout] 97 | | ...                       mutable = false;
[INFO] [stdout] 98 | | ...                   }
[INFO] [stdout]    | |_______________________^ help: you can reduce it to: `mutable = first_token == "var";`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool_assign
[INFO] [stdout]    = note: `#[warn(clippy::needless_bool_assign)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stdout]    --> src/verify.rs:171:32
[INFO] [stdout]     |
[INFO] [stdout] 171 |                         if let None = symbol_table.get(e) {
[INFO] [stdout]     |                         -------^^^^---------------------- help: try: `if symbol_table.get(e).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]     = note: `#[warn(clippy::redundant_pattern_matching)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/verify.rs:299:36
[INFO] [stdout]     |
[INFO] [stdout] 299 | ...                   if !(verify_types(data_type) == verify_types(operator_type)) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(verify_types(data_type) != verify_types(operator_type))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/verify.rs:322:5
[INFO] [stdout]     |
[INFO] [stdout] 322 |     return true;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 322 -     return true;
[INFO] [stdout] 322 +     true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/verify.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 187 |     flags: &mut Vec<bool>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 187 -     flags: &mut Vec<bool>,
[INFO] [stdout] 187 +     flags: &mut [bool],
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/verify.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 |                 if is_function == false {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^ help: try: `!is_function`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]    --> src/verify.rs:300:58
[INFO] [stdout]     |
[INFO] [stdout] 300 |   ...                   return error_message(&*format!(
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 301 | | ...                       "Error: Mismatched types (destiny: {:?}, operator: {:?})",
[INFO] [stdout] 302 | | ...                       operator_type, data_type
[INFO] [stdout] 303 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout]     = note: `#[warn(clippy::explicit_auto_deref)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 300 ~                                     return error_message(&format!(
[INFO] [stdout] 301 +                                         "Error: Mismatched types (destiny: {:?}, operator: {:?})",
[INFO] [stdout] 302 +                                         operator_type, data_type
[INFO] [stdout] 303 ~                                     ));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: deref which would be done by auto-deref
[INFO] [stdout]    --> src/verify.rs:306:54
[INFO] [stdout]     |
[INFO] [stdout] 306 |   ...                   return error_message(&*format!(
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 307 | | ...                       "Error: Unknown operator ({})",
[INFO] [stdout] 308 | | ...                       sign
[INFO] [stdout] 309 | | ...                   ));
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 306 ~                                 return error_message(&format!(
[INFO] [stdout] 307 +                                     "Error: Unknown operator ({})",
[INFO] [stdout] 308 +                                     sign
[INFO] [stdout] 309 ~                                 ));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/verify.rs:349:5
[INFO] [stdout]     |
[INFO] [stdout] 349 |     return true;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 349 -     return true;
[INFO] [stdout] 349 +     true
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/verify.rs:334:20
[INFO] [stdout]     |
[INFO] [stdout] 334 |     lexic_analysis(&program, tokens);
[INFO] [stdout]     |                    ^^^^^^^^ help: change this to: `program`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/verify.rs:338:25
[INFO] [stdout]     |
[INFO] [stdout] 338 |     if !syntax_analysis(&tokens, symbol_table) {
[INFO] [stdout]     |                         ^^^^^^^ help: change this to: `tokens`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "a3391920748a73ef8161bec18a88635eadaf1bb09c0a11cb41f8efb77ec550f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3391920748a73ef8161bec18a88635eadaf1bb09c0a11cb41f8efb77ec550f8", kill_on_drop: false }`
[INFO] [stdout] a3391920748a73ef8161bec18a88635eadaf1bb09c0a11cb41f8efb77ec550f8