[INFO] crate simplisp 0.4.0 is already in cache
[INFO] extracting crate simplisp 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/simplisp/0.4.0
[INFO] extracting crate simplisp 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/simplisp/0.4.0
[INFO] validating manifest of simplisp-0.4.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of simplisp-0.4.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing simplisp-0.4.0
[INFO] finished frobbing simplisp-0.4.0
[INFO] frobbed toml for simplisp-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/simplisp/0.4.0/Cargo.toml
[INFO] started frobbing simplisp-0.4.0
[INFO] finished frobbing simplisp-0.4.0
[INFO] frobbed toml for simplisp-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/simplisp/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting simplisp-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/simplisp/0.4.0:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a7cc7a3fcdbb43238c35a039ee8af85f9bb4f95bca4136ca0bc9bf8cd9135464
[INFO] running `"docker" "start" "-a" "a7cc7a3fcdbb43238c35a039ee8af85f9bb4f95bca4136ca0bc9bf8cd9135464"`
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking simplisp v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lisp/abstract_syntax_tree_node.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             objects: objects,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `objects`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lisp/execution_tree.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 root: root,
[INFO] [stderr]    |                 ^^^^^^^^^^ help: replace it with: `root`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lisp/execution_tree_node.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             objects: objects,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `objects`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lisp/abstract_syntax_tree_node.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             objects: objects,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `objects`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lisp/execution_tree.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 root: root,
[INFO] [stderr]    |                 ^^^^^^^^^^ help: replace it with: `root`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lisp/execution_tree_node.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             objects: objects,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `objects`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lisp/environment.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |                       } else {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 33 | |                         if let Some((first, _)) = Self::split(inner_objects.into_iter()) {
[INFO] [stderr] 34 | |                             self.evaluate(arg, &first)
[INFO] [stderr] 35 | |                         } else {
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |                         }
[INFO] [stderr] 39 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     } else if let Some((first, _)) = Self::split(inner_objects.into_iter()) {
[INFO] [stderr] 33 |     self.evaluate(arg, &first)
[INFO] [stderr] 34 | } else {
[INFO] [stderr] 35 |     let nil = ExecutionTreeObject::nil();
[INFO] [stderr] 36 |     Ok(nil)
[INFO] [stderr] 37 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/lisp/environment.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |                       } else {
[INFO] [stderr]    |  ____________________________^
[INFO] [stderr] 33 | |                         if let Some((first, _)) = Self::split(inner_objects.into_iter()) {
[INFO] [stderr] 34 | |                             self.evaluate(arg, &first)
[INFO] [stderr] 35 | |                         } else {
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |                         }
[INFO] [stderr] 39 | |                     }
[INFO] [stderr]    | |_____________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 32 |                     } else if let Some((first, _)) = Self::split(inner_objects.into_iter()) {
[INFO] [stderr] 33 |     self.evaluate(arg, &first)
[INFO] [stderr] 34 | } else {
[INFO] [stderr] 35 |     let nil = ExecutionTreeObject::nil();
[INFO] [stderr] 36 |     Ok(nil)
[INFO] [stderr] 37 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/error/mod.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr] 12  | / error_chain! {
[INFO] [stderr] 13  | |     types { }
[INFO] [stderr] 14  | | 
[INFO] [stderr] 15  | |     links { }
[INFO] [stderr] ...   |
[INFO] [stderr] 201 | |     }
[INFO] [stderr] 202 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/lisp/abstract_syntax_tree.rs:105:46
[INFO] [stderr]     |
[INFO] [stderr] 105 |         while let Some((index, character)) = enumerated_text.next() {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `for (index, character) in enumerated_text { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/lisp/abstract_syntax_tree.rs:136:46
[INFO] [stderr]     |
[INFO] [stderr] 136 |         while let Some((index, character)) = enumerated_text.next() {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `for (index, character) in enumerated_text { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lisp/abstract_syntax_tree.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | /         match *current_word_start_option {
[INFO] [stderr] 154 | |             Some(current_word_start) => {
[INFO] [stderr] 155 | |                 let current_word = &program_text[current_word_start..current_word_end];
[INFO] [stderr] 156 | |                 let string_object = AbstractSyntaxTreeObject::String(current_word);
[INFO] [stderr] ...   |
[INFO] [stderr] 160 | |             None => { },
[INFO] [stderr] 161 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 153 |         if let Some(current_word_start) = *current_word_start_option {
[INFO] [stderr] 154 |     let current_word = &program_text[current_word_start..current_word_end];
[INFO] [stderr] 155 |     let string_object = AbstractSyntaxTreeObject::String(current_word);
[INFO] [stderr] 156 |     objects.push(string_object);
[INFO] [stderr] 157 |     *current_word_start_option = None;
[INFO] [stderr] 158 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `lisp::environment::Environment<TArg>`
[INFO] [stderr]   --> src/lisp/environment.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> Self {
[INFO] [stderr] 16 | |         Environment {
[INFO] [stderr] 17 | |             call_stack: Vec::new(),
[INFO] [stderr] 18 | |             global_frame: Frame::new(),
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Default for lisp::environment::Environment<TArg> {
[INFO] [stderr] 15 |     fn default() -> Self {
[INFO] [stderr] 16 |         Self::new()
[INFO] [stderr] 17 |     }
[INFO] [stderr] 18 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/lisp/environment.rs:33:77
[INFO] [stderr]    |
[INFO] [stderr] 33 |                         if let Some((first, _)) = Self::split(inner_objects.into_iter()) {
[INFO] [stderr]    |                                                                             ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lisp/environment.rs:107:58
[INFO] [stderr]     |
[INFO] [stderr] 107 |     unsafe fn evaluate_list(&mut self, arg: &TArg, list: &Vec<ExecutionTreeObject>) -> Result<ExecutionTreeObject> {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[ExecutionTreeObject]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/lisp/environment.rs:112:59
[INFO] [stderr]     |
[INFO] [stderr] 112 |             if let Some((first, rest)) = Self::split(list.into_iter()) {
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/lisp/environment.rs:164:39
[INFO] [stderr]     |
[INFO] [stderr] 164 |         for stack_frame in call_stack.into_iter().rev() {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/lisp/execution_tree.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut chars = string.chars().into_iter();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `string.chars()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lisp/execution_tree_object.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         match self {
[INFO] [stderr] 100 | |             &ExecutionTreeObject::Bool(_) => Self::bool_str(),
[INFO] [stderr] 101 | |             &ExecutionTreeObject::Char(_) => Self::char_str(),
[INFO] [stderr] 102 | |             &ExecutionTreeObject::F32(_) => Self::f32_str(),
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | |             &ExecutionTreeObject::USize(_) => Self::usize_str(),
[INFO] [stderr] 117 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 99  |         match *self {
[INFO] [stderr] 100 |             ExecutionTreeObject::Bool(_) => Self::bool_str(),
[INFO] [stderr] 101 |             ExecutionTreeObject::Char(_) => Self::char_str(),
[INFO] [stderr] 102 |             ExecutionTreeObject::F32(_) => Self::f32_str(),
[INFO] [stderr] 103 |             ExecutionTreeObject::F64(_) => Self::f64_str(),
[INFO] [stderr] 104 |             ExecutionTreeObject::I8(_) => Self::i8_str(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lisp/execution_tree_object.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 | /             match self {
[INFO] [stderr] 123 | |                 &ExecutionTreeObject::Bool(ref some) => some.to_string(),
[INFO] [stderr] 124 | |                 &ExecutionTreeObject::Char(ref some) => format!("'{}'", some.to_string()),
[INFO] [stderr] 125 | |                 &ExecutionTreeObject::F32(ref some) => format!("{}f32", some.to_string()),
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |                 &ExecutionTreeObject::USize(ref some) => format!("{}usize", some.to_string()),
[INFO] [stderr] 140 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 122 |             match *self {
[INFO] [stderr] 123 |                 ExecutionTreeObject::Bool(ref some) => some.to_string(),
[INFO] [stderr] 124 |                 ExecutionTreeObject::Char(ref some) => format!("'{}'", some.to_string()),
[INFO] [stderr] 125 |                 ExecutionTreeObject::F32(ref some) => format!("{}f32", some.to_string()),
[INFO] [stderr] 126 |                 ExecutionTreeObject::F64(ref some) => format!("{}f64", some.to_string()),
[INFO] [stderr] 127 |                 ExecutionTreeObject::I8(ref some) => format!("{}i8", some.to_string()),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `lisp::frame::Frame<TArg>`
[INFO] [stderr]   --> src/lisp/frame.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | /     pub fn new() -> Self {
[INFO] [stderr] 10 | |         Frame {
[INFO] [stderr] 11 | |             symbols: BTreeMap::new(),
[INFO] [stderr] 12 | |         }
[INFO] [stderr] 13 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 4  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lisp/last_char_type.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         match self {
[INFO] [stderr] 33 | |             &LastCharType::CloseParen => Self::close_paren_str(),
[INFO] [stderr] 34 | |             &LastCharType::OpenParen => Self::open_paren_str(),
[INFO] [stderr] 35 | |             &LastCharType::Quote => Self::quote_str(),
[INFO] [stderr] 36 | |             &LastCharType::WhiteSpace => Self::white_space_str(),
[INFO] [stderr] 37 | |             &LastCharType::Word => Self::word_str(),
[INFO] [stderr] 38 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 32 |         match *self {
[INFO] [stderr] 33 |             LastCharType::CloseParen => Self::close_paren_str(),
[INFO] [stderr] 34 |             LastCharType::OpenParen => Self::open_paren_str(),
[INFO] [stderr] 35 |             LastCharType::Quote => Self::quote_str(),
[INFO] [stderr] 36 |             LastCharType::WhiteSpace => Self::white_space_str(),
[INFO] [stderr] 37 |             LastCharType::Word => Self::word_str(),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lisp/symbol.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         match self {
[INFO] [stderr] 13 | |             &Symbol::Object(ref some) => Symbol::Object(some.clone()),
[INFO] [stderr] 14 | |             &Symbol::BuiltInFunc(some) => Symbol::BuiltInFunc(some),
[INFO] [stderr] 15 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 12 |         match *self {
[INFO] [stderr] 13 |             Symbol::Object(ref some) => Symbol::Object(some.clone()),
[INFO] [stderr] 14 |             Symbol::BuiltInFunc(some) => Symbol::BuiltInFunc(some),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/error/mod.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr] 12  | / error_chain! {
[INFO] [stderr] 13  | |     types { }
[INFO] [stderr] 14  | | 
[INFO] [stderr] 15  | |     links { }
[INFO] [stderr] ...   |
[INFO] [stderr] 201 | |     }
[INFO] [stderr] 202 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/lisp/abstract_syntax_tree.rs:105:46
[INFO] [stderr]     |
[INFO] [stderr] 105 |         while let Some((index, character)) = enumerated_text.next() {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `for (index, character) in enumerated_text { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/lisp/abstract_syntax_tree.rs:136:46
[INFO] [stderr]     |
[INFO] [stderr] 136 |         while let Some((index, character)) = enumerated_text.next() {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `for (index, character) in enumerated_text { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lisp/abstract_syntax_tree.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | /         match *current_word_start_option {
[INFO] [stderr] 154 | |             Some(current_word_start) => {
[INFO] [stderr] 155 | |                 let current_word = &program_text[current_word_start..current_word_end];
[INFO] [stderr] 156 | |                 let string_object = AbstractSyntaxTreeObject::String(current_word);
[INFO] [stderr] ...   |
[INFO] [stderr] 160 | |             None => { },
[INFO] [stderr] 161 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 153 |         if let Some(current_word_start) = *current_word_start_option {
[INFO] [stderr] 154 |     let current_word = &program_text[current_word_start..current_word_end];
[INFO] [stderr] 155 |     let string_object = AbstractSyntaxTreeObject::String(current_word);
[INFO] [stderr] 156 |     objects.push(string_object);
[INFO] [stderr] 157 |     *current_word_start_option = None;
[INFO] [stderr] 158 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `lisp::environment::Environment<TArg>`
[INFO] [stderr]   --> src/lisp/environment.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> Self {
[INFO] [stderr] 16 | |         Environment {
[INFO] [stderr] 17 | |             call_stack: Vec::new(),
[INFO] [stderr] 18 | |             global_frame: Frame::new(),
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Default for lisp::environment::Environment<TArg> {
[INFO] [stderr] 15 |     fn default() -> Self {
[INFO] [stderr] 16 |         Self::new()
[INFO] [stderr] 17 |     }
[INFO] [stderr] 18 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/lisp/environment.rs:33:77
[INFO] [stderr]    |
[INFO] [stderr] 33 |                         if let Some((first, _)) = Self::split(inner_objects.into_iter()) {
[INFO] [stderr]    |                                                                             ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lisp/environment.rs:107:58
[INFO] [stderr]     |
[INFO] [stderr] 107 |     unsafe fn evaluate_list(&mut self, arg: &TArg, list: &Vec<ExecutionTreeObject>) -> Result<ExecutionTreeObject> {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[ExecutionTreeObject]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/lisp/environment.rs:112:59
[INFO] [stderr]     |
[INFO] [stderr] 112 |             if let Some((first, rest)) = Self::split(list.into_iter()) {
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/lisp/environment.rs:164:39
[INFO] [stderr]     |
[INFO] [stderr] 164 |         for stack_frame in call_stack.into_iter().rev() {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/lisp/execution_tree.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut chars = string.chars().into_iter();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `string.chars()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lisp/execution_tree_object.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         match self {
[INFO] [stderr] 100 | |             &ExecutionTreeObject::Bool(_) => Self::bool_str(),
[INFO] [stderr] 101 | |             &ExecutionTreeObject::Char(_) => Self::char_str(),
[INFO] [stderr] 102 | |             &ExecutionTreeObject::F32(_) => Self::f32_str(),
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | |             &ExecutionTreeObject::USize(_) => Self::usize_str(),
[INFO] [stderr] 117 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 99  |         match *self {
[INFO] [stderr] 100 |             ExecutionTreeObject::Bool(_) => Self::bool_str(),
[INFO] [stderr] 101 |             ExecutionTreeObject::Char(_) => Self::char_str(),
[INFO] [stderr] 102 |             ExecutionTreeObject::F32(_) => Self::f32_str(),
[INFO] [stderr] 103 |             ExecutionTreeObject::F64(_) => Self::f64_str(),
[INFO] [stderr] 104 |             ExecutionTreeObject::I8(_) => Self::i8_str(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lisp/execution_tree_object.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 | /             match self {
[INFO] [stderr] 123 | |                 &ExecutionTreeObject::Bool(ref some) => some.to_string(),
[INFO] [stderr] 124 | |                 &ExecutionTreeObject::Char(ref some) => format!("'{}'", some.to_string()),
[INFO] [stderr] 125 | |                 &ExecutionTreeObject::F32(ref some) => format!("{}f32", some.to_string()),
[INFO] [stderr] ...   |
[INFO] [stderr] 139 | |                 &ExecutionTreeObject::USize(ref some) => format!("{}usize", some.to_string()),
[INFO] [stderr] 140 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 122 |             match *self {
[INFO] [stderr] 123 |                 ExecutionTreeObject::Bool(ref some) => some.to_string(),
[INFO] [stderr] 124 |                 ExecutionTreeObject::Char(ref some) => format!("'{}'", some.to_string()),
[INFO] [stderr] 125 |                 ExecutionTreeObject::F32(ref some) => format!("{}f32", some.to_string()),
[INFO] [stderr] 126 |                 ExecutionTreeObject::F64(ref some) => format!("{}f64", some.to_string()),
[INFO] [stderr] 127 |                 ExecutionTreeObject::I8(ref some) => format!("{}i8", some.to_string()),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `lisp::frame::Frame<TArg>`
[INFO] [stderr]   --> src/lisp/frame.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | /     pub fn new() -> Self {
[INFO] [stderr] 10 | |         Frame {
[INFO] [stderr] 11 | |             symbols: BTreeMap::new(),
[INFO] [stderr] 12 | |         }
[INFO] [stderr] 13 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 4  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lisp/last_char_type.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         match self {
[INFO] [stderr] 33 | |             &LastCharType::CloseParen => Self::close_paren_str(),
[INFO] [stderr] 34 | |             &LastCharType::OpenParen => Self::open_paren_str(),
[INFO] [stderr] 35 | |             &LastCharType::Quote => Self::quote_str(),
[INFO] [stderr] 36 | |             &LastCharType::WhiteSpace => Self::white_space_str(),
[INFO] [stderr] 37 | |             &LastCharType::Word => Self::word_str(),
[INFO] [stderr] 38 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 32 |         match *self {
[INFO] [stderr] 33 |             LastCharType::CloseParen => Self::close_paren_str(),
[INFO] [stderr] 34 |             LastCharType::OpenParen => Self::open_paren_str(),
[INFO] [stderr] 35 |             LastCharType::Quote => Self::quote_str(),
[INFO] [stderr] 36 |             LastCharType::WhiteSpace => Self::white_space_str(),
[INFO] [stderr] 37 |             LastCharType::Word => Self::word_str(),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lisp/symbol.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | /         match self {
[INFO] [stderr] 13 | |             &Symbol::Object(ref some) => Symbol::Object(some.clone()),
[INFO] [stderr] 14 | |             &Symbol::BuiltInFunc(some) => Symbol::BuiltInFunc(some),
[INFO] [stderr] 15 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 12 |         match *self {
[INFO] [stderr] 13 |             Symbol::Object(ref some) => Symbol::Object(some.clone()),
[INFO] [stderr] 14 |             Symbol::BuiltInFunc(some) => Symbol::BuiltInFunc(some),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `"docker" "inspect" "a7cc7a3fcdbb43238c35a039ee8af85f9bb4f95bca4136ca0bc9bf8cd9135464"`
[INFO] running `"docker" "rm" "-f" "a7cc7a3fcdbb43238c35a039ee8af85f9bb4f95bca4136ca0bc9bf8cd9135464"`
[INFO] [stdout] a7cc7a3fcdbb43238c35a039ee8af85f9bb4f95bca4136ca0bc9bf8cd9135464