[INFO] updating cached repository Emmatipate/jack-compiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Emmatipate/jack-compiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Emmatipate/jack-compiler" "work/ex/clippy-test-run/sources/stable/gh/Emmatipate/jack-compiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Emmatipate/jack-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Emmatipate/jack-compiler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Emmatipate/jack-compiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Emmatipate/jack-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c68a530d80639bfd2fd68ca0bf7472c428655395
[INFO] sha for GitHub repo Emmatipate/jack-compiler: c68a530d80639bfd2fd68ca0bf7472c428655395
[INFO] validating manifest of Emmatipate/jack-compiler 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 Emmatipate/jack-compiler 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 Emmatipate/jack-compiler
[INFO] finished frobbing Emmatipate/jack-compiler
[INFO] frobbed toml for Emmatipate/jack-compiler written to work/ex/clippy-test-run/sources/stable/gh/Emmatipate/jack-compiler/Cargo.toml
[INFO] started frobbing Emmatipate/jack-compiler
[INFO] finished frobbing Emmatipate/jack-compiler
[INFO] frobbed toml for Emmatipate/jack-compiler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Emmatipate/jack-compiler/Cargo.toml
[INFO] crate Emmatipate/jack-compiler has a lockfile. skipping
[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 Emmatipate/jack-compiler against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Emmatipate/jack-compiler:/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] 21cfa0f2c2855aee7e35b31600c4f5ddbf94c0c6795b7c091ee780426d7f5674
[INFO] running `"docker" "start" "-a" "21cfa0f2c2855aee7e35b31600c4f5ddbf94c0c6795b7c091ee780426d7f5674"`
[INFO] [stderr]     Checking jackcompiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/jack_analyzer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         return skip_result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `skip_result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 | /         return match &*name {
[INFO] [stderr] 209 | |             "class" => Some(Keyword::Class),
[INFO] [stderr] 210 | |             "method" => Some(Keyword::Method),
[INFO] [stderr] 211 | |             "function" => Some(Keyword::Function),
[INFO] [stderr] ...   |
[INFO] [stderr] 230 | |             _ => None,
[INFO] [stderr] 231 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 208 |         match &*name {
[INFO] [stderr] 209 |             "class" => Some(Keyword::Class),
[INFO] [stderr] 210 |             "method" => Some(Keyword::Method),
[INFO] [stderr] 211 |             "function" => Some(Keyword::Function),
[INFO] [stderr] 212 |             "constructor" => Some(Keyword::Constructor),
[INFO] [stderr] 213 |             "int" => Some(Keyword::Int),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         return buf;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `buf`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         return buf.parse::<i32>().unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf.parse::<i32>().unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         return buf;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `buf`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/jack_analyzer.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 | /         match self.pos_of_next_token() {
[INFO] [stderr] 171 | |             Some(_) => true,
[INFO] [stderr] 172 | |             None => false,
[INFO] [stderr] 173 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self.pos_of_next_token().is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/jack_analyzer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |         return skip_result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `skip_result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 | /         return match &*name {
[INFO] [stderr] 209 | |             "class" => Some(Keyword::Class),
[INFO] [stderr] 210 | |             "method" => Some(Keyword::Method),
[INFO] [stderr] 211 | |             "function" => Some(Keyword::Function),
[INFO] [stderr] ...   |
[INFO] [stderr] 230 | |             _ => None,
[INFO] [stderr] 231 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 208 |         match &*name {
[INFO] [stderr] 209 |             "class" => Some(Keyword::Class),
[INFO] [stderr] 210 |             "method" => Some(Keyword::Method),
[INFO] [stderr] 211 |             "function" => Some(Keyword::Function),
[INFO] [stderr] 212 |             "constructor" => Some(Keyword::Constructor),
[INFO] [stderr] 213 |             "int" => Some(Keyword::Int),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         return buf;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `buf`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         return buf.parse::<i32>().unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf.parse::<i32>().unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/jack_analyzer.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 |         return buf;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `buf`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/symbol_table.rs:58:36
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn define(&mut self, name: &String, t: &String, k: Kind) {
[INFO] [stderr]    |                                    ^^^^^^^ help: change this to: `&str`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/symbol_table.rs:58:48
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn define(&mut self, name: &String, t: &String, k: Kind) {
[INFO] [stderr]    |                                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/symbol_table.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn kind_of(&self, name: &String) -> Kind {
[INFO] [stderr]    |                                 ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/symbol_table.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             self.function_symbols.get(name).unwrap().kind
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.function_symbols[name]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/symbol_table.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             self.class_symbols.get(name).unwrap().kind
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.class_symbols[name]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/symbol_table.rs:102:33
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn type_of(&self, name: &String) -> String {
[INFO] [stderr]     |                                 ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             self.function_symbols.get(name).unwrap().type_name.clone()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.function_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             self.class_symbols.get(name).unwrap().type_name.clone()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.class_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/symbol_table.rs:110:34
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn index_of(&self, name: &String) -> i32 {
[INFO] [stderr]     |                                  ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             self.function_symbols.get(name).unwrap().index
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.function_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             self.class_symbols.get(name).unwrap().index
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.class_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/jack_analyzer.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 | /         match self.pos_of_next_token() {
[INFO] [stderr] 171 | |             Some(_) => true,
[INFO] [stderr] 172 | |             None => false,
[INFO] [stderr] 173 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self.pos_of_next_token().is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/symbol_table.rs:58:36
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn define(&mut self, name: &String, t: &String, k: Kind) {
[INFO] [stderr]    |                                    ^^^^^^^ help: change this to: `&str`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/symbol_table.rs:58:48
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn define(&mut self, name: &String, t: &String, k: Kind) {
[INFO] [stderr]    |                                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/symbol_table.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn kind_of(&self, name: &String) -> Kind {
[INFO] [stderr]    |                                 ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/symbol_table.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |             self.function_symbols.get(name).unwrap().kind
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.function_symbols[name]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/symbol_table.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             self.class_symbols.get(name).unwrap().kind
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.class_symbols[name]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/symbol_table.rs:102:33
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn type_of(&self, name: &String) -> String {
[INFO] [stderr]     |                                 ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             self.function_symbols.get(name).unwrap().type_name.clone()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.function_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             self.class_symbols.get(name).unwrap().type_name.clone()
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.class_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/symbol_table.rs:110:34
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn index_of(&self, name: &String) -> i32 {
[INFO] [stderr]     |                                  ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             self.function_symbols.get(name).unwrap().index
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.function_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/symbol_table.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |             self.class_symbols.get(name).unwrap().index
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.class_symbols[name]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "21cfa0f2c2855aee7e35b31600c4f5ddbf94c0c6795b7c091ee780426d7f5674"`
[INFO] running `"docker" "rm" "-f" "21cfa0f2c2855aee7e35b31600c4f5ddbf94c0c6795b7c091ee780426d7f5674"`
[INFO] [stdout] 21cfa0f2c2855aee7e35b31600c4f5ddbf94c0c6795b7c091ee780426d7f5674