[INFO] updating cached repository puppyofkosh/safer-c-compiler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/puppyofkosh/safer-c-compiler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/puppyofkosh/safer-c-compiler" "work/ex/clippy-test-run/sources/stable/gh/puppyofkosh/safer-c-compiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/puppyofkosh/safer-c-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/puppyofkosh/safer-c-compiler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/puppyofkosh/safer-c-compiler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/puppyofkosh/safer-c-compiler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a53e4b6c2ca2756fb91fbade4407e64796adfed
[INFO] sha for GitHub repo puppyofkosh/safer-c-compiler: 9a53e4b6c2ca2756fb91fbade4407e64796adfed
[INFO] validating manifest of puppyofkosh/safer-c-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 puppyofkosh/safer-c-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 puppyofkosh/safer-c-compiler
[INFO] finished frobbing puppyofkosh/safer-c-compiler
[INFO] frobbed toml for puppyofkosh/safer-c-compiler written to work/ex/clippy-test-run/sources/stable/gh/puppyofkosh/safer-c-compiler/Cargo.toml
[INFO] started frobbing puppyofkosh/safer-c-compiler
[INFO] finished frobbing puppyofkosh/safer-c-compiler
[INFO] frobbed toml for puppyofkosh/safer-c-compiler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/puppyofkosh/safer-c-compiler/Cargo.toml
[INFO] crate puppyofkosh/safer-c-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 puppyofkosh/safer-c-compiler against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/puppyofkosh/safer-c-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] e5393804b7aa56d1f79072394a4c0b3cf498bcf977620c8b66c7b2cc4e480d2d
[INFO] running `"docker" "start" "-a" "e5393804b7aa56d1f79072394a4c0b3cf498bcf977620c8b66c7b2cc4e480d2d"`
[INFO] [stderr]     Checking safer-c-compiler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/parser.rs:417:41
[INFO] [stderr]     |
[INFO] [stderr] 417 |             FunctionCall {name:fn_name, args_exprs: args_exprs }
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `args_exprs`
[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/parser.rs:445:26
[INFO] [stderr]     |
[INFO] [stderr] 445 |                          statements: statements,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `statements`
[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/parser.rs:446:26
[INFO] [stderr]     |
[INFO] [stderr] 446 |                          args: args,
[INFO] [stderr]     |                          ^^^^^^^^^^ help: replace it with: `args`
[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/parser.rs:448:30
[INFO] [stderr]     |
[INFO] [stderr] 448 |                              arg_types: arg_types,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arg_types`
[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/parser.rs:449:30
[INFO] [stderr]     |
[INFO] [stderr] 449 |                              return_type: return_type,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `return_type`
[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/parser.rs:474:13
[INFO] [stderr]     |
[INFO] [stderr] 474 |             name: name,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:513:31
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 return Block {statements: statements};
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `statements`
[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/parser.rs:536:22
[INFO] [stderr]     |
[INFO] [stderr] 536 |         ast::Program{functions: functions,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `functions`
[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/parser.rs:537:22
[INFO] [stderr]     |
[INFO] [stderr] 537 |                      structs: structs}
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: replace it with: `structs`
[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/representation_manager.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 offset: offset,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/representation_manager.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |         StructRepresentation{ field_to_info: field_to_info,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `field_to_info`
[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/x86_code_generator.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             var_type: var_type,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `var_type`
[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/x86_code_generator.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             machine_type: machine_type,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `machine_type`
[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/parser.rs:417:41
[INFO] [stderr]     |
[INFO] [stderr] 417 |             FunctionCall {name:fn_name, args_exprs: args_exprs }
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `args_exprs`
[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/parser.rs:445:26
[INFO] [stderr]     |
[INFO] [stderr] 445 |                          statements: statements,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `statements`
[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/parser.rs:446:26
[INFO] [stderr]     |
[INFO] [stderr] 446 |                          args: args,
[INFO] [stderr]     |                          ^^^^^^^^^^ help: replace it with: `args`
[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/parser.rs:448:30
[INFO] [stderr]     |
[INFO] [stderr] 448 |                              arg_types: arg_types,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arg_types`
[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/parser.rs:449:30
[INFO] [stderr]     |
[INFO] [stderr] 449 |                              return_type: return_type,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `return_type`
[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/parser.rs:474:13
[INFO] [stderr]     |
[INFO] [stderr] 474 |             name: name,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:513:31
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 return Block {statements: statements};
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `statements`
[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/parser.rs:536:22
[INFO] [stderr]     |
[INFO] [stderr] 536 |         ast::Program{functions: functions,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `functions`
[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/parser.rs:537:22
[INFO] [stderr]     |
[INFO] [stderr] 537 |                      structs: structs}
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: replace it with: `structs`
[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/representation_manager.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 offset: offset,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `offset`
[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/representation_manager.rs:52:31
[INFO] [stderr]    |
[INFO] [stderr] 52 |         StructRepresentation{ field_to_info: field_to_info,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `field_to_info`
[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/x86_code_generator.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             var_type: var_type,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `var_type`
[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/x86_code_generator.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             machine_type: machine_type,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `machine_type`
[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: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 |         return Statement::Return(expr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Statement::Return(expr)`
[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/parser.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 | /         return Function {name: fn_name,
[INFO] [stderr] 445 | |                          statements: statements,
[INFO] [stderr] 446 | |                          args: args,
[INFO] [stderr] 447 | |                          fn_type: ast::FunctionType {
[INFO] [stderr] ...   |
[INFO] [stderr] 451 | |                          }
[INFO] [stderr] 452 | |         }
[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] 444 |         Function {name: fn_name,
[INFO] [stderr] 445 |                          statements: statements,
[INFO] [stderr] 446 |                          args: args,
[INFO] [stderr] 447 |                          fn_type: ast::FunctionType {
[INFO] [stderr] 448 |                              arg_types: arg_types,
[INFO] [stderr] 449 |                              return_type: return_type,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/parser.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     prog
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/parser.rs:544:16
[INFO] [stderr]     |
[INFO] [stderr] 544 |     let prog = p.parse_program(tokens);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ast::Block`
[INFO] [stderr]  --> src/pointer_arithmetic_transformer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ast::Block;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/type_checker_helper.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     return false;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/parser.rs:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 |         return Statement::Return(expr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Statement::Return(expr)`
[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/parser.rs:444:9
[INFO] [stderr]     |
[INFO] [stderr] 444 | /         return Function {name: fn_name,
[INFO] [stderr] 445 | |                          statements: statements,
[INFO] [stderr] 446 | |                          args: args,
[INFO] [stderr] 447 | |                          fn_type: ast::FunctionType {
[INFO] [stderr] ...   |
[INFO] [stderr] 451 | |                          }
[INFO] [stderr] 452 | |         }
[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] 444 |         Function {name: fn_name,
[INFO] [stderr] 445 |                          statements: statements,
[INFO] [stderr] 446 |                          args: args,
[INFO] [stderr] 447 |                          fn_type: ast::FunctionType {
[INFO] [stderr] 448 |                              arg_types: arg_types,
[INFO] [stderr] 449 |                              return_type: return_type,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/parser.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     prog
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/parser.rs:544:16
[INFO] [stderr]     |
[INFO] [stderr] 544 |     let prog = p.parse_program(tokens);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ast::Block`
[INFO] [stderr]  --> src/pointer_arithmetic_transformer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ast::Block;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/type_checker_helper.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     return false;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/assembly_helper.rs:42:31
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn register_other_than(r: &RegisterVal) -> RegisterVal {
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: consider passing by value instead: `RegisterVal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/assembly_helper.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn get_low_byte(o: &RegisterVal) -> RegisterVal {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: consider passing by value instead: `RegisterVal`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/assembly_printer.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn reg_to_str(r: &RegisterVal) -> String {
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: consider passing by value instead: `RegisterVal`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/assembly_helper.rs:42:31
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn register_other_than(r: &RegisterVal) -> RegisterVal {
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: consider passing by value instead: `RegisterVal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/assembly_helper.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn get_low_byte(o: &RegisterVal) -> RegisterVal {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: consider passing by value instead: `RegisterVal`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/assembly_printer.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn reg_to_str(r: &RegisterVal) -> String {
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: consider passing by value instead: `RegisterVal`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_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/assembly_printer.rs:70:46
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn instruction_list_to_asm(instructions: &Vec<Instruction>) -> String {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ help: change this to: `&[Instruction]`
[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 `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/assembly_printer.rs:70:46
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn instruction_list_to_asm(instructions: &Vec<Instruction>) -> String {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ help: change this to: `&[Instruction]`
[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 argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/parser.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn optype_to_op(op: &OperatorType) -> BinaryOp {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: consider passing by value instead: `OperatorType`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/parser.rs:59:23
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn get_precedence(op: &OperatorType) -> i32 {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^ help: consider passing by value instead: `OperatorType`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/parser.rs:100:39
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn evaluate_bin_op(&mut self, op: &OperatorType,
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^ help: consider passing by value instead: `OperatorType`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/parser.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn optype_to_op(op: &OperatorType) -> BinaryOp {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: consider passing by value instead: `OperatorType`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/parser.rs:59:23
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn get_precedence(op: &OperatorType) -> i32 {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^ help: consider passing by value instead: `OperatorType`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/parser.rs:100:39
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn evaluate_bin_op(&mut self, op: &OperatorType,
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^ help: consider passing by value instead: `OperatorType`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/parser.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 | /         let mut else_block = None;
[INFO] [stderr] 353 | |         if tokens.peek() == Lexeme::Else {
[INFO] [stderr] 354 | |             assert_eq!(tokens.consume(), Lexeme::Else);
[INFO] [stderr] 355 | |             else_block = Some(self.parse_block(tokens));
[INFO] [stderr] 356 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let <mut> else_block = if tokens.peek() == Lexeme::Else { ..; Some(self.parse_block(tokens)) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/parser.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 352 | /         let mut else_block = None;
[INFO] [stderr] 353 | |         if tokens.peek() == Lexeme::Else {
[INFO] [stderr] 354 | |             assert_eq!(tokens.consume(), Lexeme::Else);
[INFO] [stderr] 355 | |             else_block = Some(self.parse_block(tokens));
[INFO] [stderr] 356 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let <mut> else_block = if tokens.peek() == Lexeme::Else { ..; Some(self.parse_block(tokens)) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/pointer_arithmetic_transformer.rs:93:38
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Expression::BinaryOp(op.clone(), Box::new(left),
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: try removing the `clone` call: `op`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[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/representation_manager.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 struct_definitions: &Vec<StructDefinition>) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[StructDefinition]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/representation_manager.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     if let &VarType::Struct(ref n) = typ {
[INFO] [stderr] 113 | |         return n;
[INFO] [stderr] 114 | |     } else {
[INFO] [stderr] 115 | |         panic!("Not a struct!");
[INFO] [stderr] 116 | |     }
[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] 112 |     if let VarType::Struct(ref n) = *typ {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/scanner.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     assert!(token.len() > 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!token.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:52:34
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if token.starts_with("\"") && token.ends_with("\"") {
[INFO] [stderr]    |                                  ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:52:59
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if token.starts_with("\"") && token.ends_with("\"") {
[INFO] [stderr]    |                                                           ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:58:34
[INFO] [stderr]    |
[INFO] [stderr] 58 |             if token.starts_with("\'") && token.ends_with("\'") {
[INFO] [stderr]    |                                  ^^^^ help: try using a char instead: `'\''`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:58:59
[INFO] [stderr]    |
[INFO] [stderr] 58 |             if token.starts_with("\'") && token.ends_with("\'") {
[INFO] [stderr]    |                                                           ^^^^ help: try using a char instead: `'\''`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/scanner.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |     if source.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `source.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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/struct_analyzer.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |                          structs: &Vec<StructDefinition>) -> bool {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[StructDefinition]`
[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: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/type_checker.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | /         if fn_type_opt.is_none() {
[INFO] [stderr] 118 | |            self.errors_found.push(format!("Unkown function {}",
[INFO] [stderr] 119 | |                                           call.name));
[INFO] [stderr] 120 | |            return None
[INFO] [stderr] 121 | |         }
[INFO] [stderr]     | |_________^ help: replace_it_with: `fn_type_opt?;`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:137:51
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let arg_type_opt = self.annotate_type(call.args_exprs.get_mut(i).unwrap());
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `call.args_exprs[i]`
[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: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/type_checker.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             if arg_type_opt.is_none() { return None; }
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace_it_with: `arg_type_opt?;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:143:34
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 let param_type = fn_type.arg_types.get(i).unwrap();
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fn_type.arg_types[i]`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/type_checker.rs:170:36
[INFO] [stderr]     |
[INFO] [stderr] 170 |                                op: &ast::BinaryOp, l: &mut AstExpressionNode,
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: consider passing by value instead: `ast::BinaryOp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/type_checker.rs:267:17
[INFO] [stderr]     |
[INFO] [stderr] 267 | /                 if expr_t.is_none() {
[INFO] [stderr] 268 | |                     None
[INFO] [stderr] 269 | |                 } else if let Some(VarType::Struct(ref struct_name)) = expr_t {
[INFO] [stderr] 270 | |                     // return type of the field
[INFO] [stderr] ...   |
[INFO] [stderr] 286 | |                     None
[INFO] [stderr] 287 | |                 }
[INFO] [stderr]     | |_________________^ help: replace_it_with: `expr_t?;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/type_checker.rs:273:26
[INFO] [stderr]     |
[INFO] [stderr] 273 |                         .expect(&format!("Struct {} unkown!", struct_name));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Struct {} unkown!", struct_name))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/pointer_arithmetic_transformer.rs:93:38
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Expression::BinaryOp(op.clone(), Box::new(left),
[INFO] [stderr]    |                                      ^^^^^^^^^^ help: try removing the `clone` call: `op`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:298:33
[INFO] [stderr]     |
[INFO] [stderr] 298 |                   let ret_type = &self.function_to_type
[INFO] [stderr]     |  _________________________________^
[INFO] [stderr] 299 | |                     .get(&self.current_fn)
[INFO] [stderr] 300 | |                     .unwrap()
[INFO] [stderr]     | |_____________________________^ help: try this: `&self.function_to_type[&self.current_fn]`
[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 `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/representation_manager.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 struct_definitions: &Vec<StructDefinition>) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[StructDefinition]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/type_checker.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 | /                 if let &mut Some(ref mut else_stmts) = else_opt {
[INFO] [stderr] 330 | |                     // TODO: add else checker
[INFO] [stderr] 331 | |                     self.annotate_types_block(else_stmts) && self.annotate_types_block(stmts) && expr_type.is_some()
[INFO] [stderr] 332 | |                 } else {
[INFO] [stderr] 333 | |                     self.annotate_types_block(stmts) && expr_type.is_some()
[INFO] [stderr] 334 | |                 }
[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] 329 |                 if let Some(ref mut else_stmts) = *else_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/type_checker.rs:341:17
[INFO] [stderr]     |
[INFO] [stderr] 341 | /                 let mut res = true;
[INFO] [stderr] 342 | |                 if !self.type_exists(var_type) {
[INFO] [stderr] 343 | |                     self.errors_found.push(format!("Type {:?} doesn't exist.",
[INFO] [stderr] 344 | |                                                    var_type));
[INFO] [stderr] 345 | |                     res = false;
[INFO] [stderr] 346 | |                 }
[INFO] [stderr]     | |_________________^ help: it is more idiomatic to write: `let <mut> res = if !self.type_exists(var_type) { ..; false } else { true };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/type_checker.rs:348:17
[INFO] [stderr]     |
[INFO] [stderr] 348 | /                 if let &mut Some(ref mut expr) = expr_opt {
[INFO] [stderr] 349 | |                     self.annotate_type(expr);
[INFO] [stderr] 350 | |
[INFO] [stderr] 351 | |                     if !type_checker_helper::can_assign_expr_to_type(var_type,
[INFO] [stderr] ...   |
[INFO] [stderr] 360 | |                     // There was no initialization expression, which is fine.
[INFO] [stderr] 361 | |                 }
[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] 348 |                 if let Some(ref mut expr) = *expr_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/type_checker.rs:363:20
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 if res == true {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: try simplifying it as shown: `res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/type_checker.rs:409:40
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn add_structs(&mut self, structs: &Vec<StructDefinition>) {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[StructDefinition]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/representation_manager.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | /     if let &VarType::Struct(ref n) = typ {
[INFO] [stderr] 113 | |         return n;
[INFO] [stderr] 114 | |     } else {
[INFO] [stderr] 115 | |         panic!("Not a struct!");
[INFO] [stderr] 116 | |     }
[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] 112 |     if let VarType::Struct(ref n) = *typ {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/type_checker.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 | /                 if let &Struct(_) = arg_type {
[INFO] [stderr] 430 | |                     self.errors_found.push("Cannot pass structs yet".to_string());
[INFO] [stderr] 431 | |                     return false;
[INFO] [stderr] 432 | |                 }
[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] 429 |                 if let Struct(_) = *arg_type {
[INFO] [stderr]     |                        ^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:445:46
[INFO] [stderr]     |
[INFO] [stderr] 445 |                 self.variable_to_type.insert(fun.args.get(i).unwrap().clone(),
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fun.args[i]`
[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 Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:446:46
[INFO] [stderr]     |
[INFO] [stderr] 446 |                                              fun.fn_type.arg_types.get(i).unwrap().clone());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fun.fn_type.arg_types[i]`
[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: length comparison to zero
[INFO] [stderr]   --> src/scanner.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     assert!(token.len() > 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!token.is_empty()`
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/type_checker_helper.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 |     if !right.typ.is_some() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^ help: try: `right.typ.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/type_checker_helper.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | /     if let &Struct(_) = left_t {
[INFO] [stderr] 54 | |         // Can't assign structs to one another
[INFO] [stderr] 55 | |         return false;
[INFO] [stderr] 56 | |     }
[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] 53 |     if let Struct(_) = *left_t {
[INFO] [stderr]    |            ^^^^^^^^^   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/type_checker_helper.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 | /         if let &Pointer(_, _) = left_t {
[INFO] [stderr] 70 | |             if let &Expression::Value(val) = &right.expr {
[INFO] [stderr] 71 | |                 res = val == 0;
[INFO] [stderr] 72 | |             }
[INFO] [stderr] 73 | |         }
[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] 69 |         if let Pointer(_, _) = *left_t {
[INFO] [stderr]    |                ^^^^^^^^^^^^^   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/type_checker_helper.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 | /             if let &Expression::Value(val) = &right.expr {
[INFO] [stderr] 71 | |                 res = val == 0;
[INFO] [stderr] 72 | |             }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 70 |             if let Expression::Value(val) = right.expr {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/type_checker_helper.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if !left.typ.is_some() || !right.typ.is_some() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `left.typ.is_none() || right.typ.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:52:34
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if token.starts_with("\"") && token.ends_with("\"") {
[INFO] [stderr]    |                                  ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:52:59
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if token.starts_with("\"") && token.ends_with("\"") {
[INFO] [stderr]    |                                                           ^^^^ help: try using a char instead: `'\"'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:58:34
[INFO] [stderr]    |
[INFO] [stderr] 58 |             if token.starts_with("\'") && token.ends_with("\'") {
[INFO] [stderr]    |                                  ^^^^ help: try using a char instead: `'\''`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/scanner.rs:58:59
[INFO] [stderr]    |
[INFO] [stderr] 58 |             if token.starts_with("\'") && token.ends_with("\'") {
[INFO] [stderr]    |                                                           ^^^^ help: try using a char instead: `'\''`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/x86_code_generator.rs:112:14
[INFO] [stderr]     |
[INFO] [stderr] 112 |             .expect(&format!("Unkown variable {}", varname));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Unkown variable {}", varname))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/x86_code_generator.rs:123:14
[INFO] [stderr]     |
[INFO] [stderr] 123 |             .expect(&format!("Unkown variable {}", varname));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Unkown variable {}", varname))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/x86_code_generator.rs:140:27
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 let var = self.identifier_to_var.get(name).unwrap();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.identifier_to_var[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/x86_code_generator.rs:212:33
[INFO] [stderr]     |
[INFO] [stderr] 212 |                     let label = self.string_to_label.get(v).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.string_to_label[v]`
[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: length comparison to zero
[INFO] [stderr]    --> src/scanner.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 |     if source.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `source.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/x86_code_generator.rs:347:17
[INFO] [stderr]     |
[INFO] [stderr] 347 | /                 if let &Some(ref else_statements) = else_block_opt {
[INFO] [stderr] 348 | |                     self.instructions.push(Comment("The start of else block".to_string()));
[INFO] [stderr] 349 | |                     self.evaluate_block(else_statements);
[INFO] [stderr] 350 | |                     let label = format!("L{}", self.label_num);
[INFO] [stderr] 351 | |                     self.label_num += 1;
[INFO] [stderr] 352 | |                     self.instructions.push(Instruction::Label(label.to_string()));
[INFO] [stderr] 353 | |                 }
[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] 347 |                 if let Some(ref else_statements) = *else_block_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^
[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/struct_analyzer.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |                          structs: &Vec<StructDefinition>) -> bool {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[StructDefinition]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/x86_code_generator.rs:396:17
[INFO] [stderr]     |
[INFO] [stderr] 396 | /                 if let &Some(ref expr) = expr_opt {
[INFO] [stderr] 397 | |                     let reg = self.evaluate_expression(expr);
[INFO] [stderr] 398 | |                     self.move_value_to_var(reg, name);
[INFO] [stderr] 399 | |                 }
[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] 396 |                 if let Some(ref expr) = *expr_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/x86_code_generator.rs:438:31
[INFO] [stderr]     |
[INFO] [stderr] 438 |                           op: &BinaryOp,
[INFO] [stderr]     |                               ^^^^^^^^^ help: consider passing by value instead: `BinaryOp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/x86_code_generator.rs:557:43
[INFO] [stderr]     |
[INFO] [stderr] 557 |             self.identifier_to_var.insert(fun.args.get(i).unwrap().clone(), var);
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fun.args[i]`
[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: The function/method `instruction_list_to_asm` doesn't need a mutable reference
[INFO] [stderr]    --> src/x86_code_generator.rs:583:48
[INFO] [stderr]     |
[INFO] [stderr] 583 |         code.push_str(&instruction_list_to_asm(&mut self.instructions));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn write_code(complete_code: &String, path: &Path) {
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/main.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |       if let Err(_) = result {
[INFO] [stderr]    |  _____-      ^^^^^^
[INFO] [stderr] 68 | |         panic!("Error reading file {}", filename);
[INFO] [stderr] 69 | |     }
[INFO] [stderr]    | |_____- help: try this: `if result.is_err()`
[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: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/type_checker.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | /         if fn_type_opt.is_none() {
[INFO] [stderr] 118 | |            self.errors_found.push(format!("Unkown function {}",
[INFO] [stderr] 119 | |                                           call.name));
[INFO] [stderr] 120 | |            return None
[INFO] [stderr] 121 | |         }
[INFO] [stderr]     | |_________^ help: replace_it_with: `fn_type_opt?;`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::question_mark)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:137:51
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let arg_type_opt = self.annotate_type(call.args_exprs.get_mut(i).unwrap());
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `call.args_exprs[i]`
[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: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/type_checker.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             if arg_type_opt.is_none() { return None; }
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace_it_with: `arg_type_opt?;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:143:34
[INFO] [stderr]     |
[INFO] [stderr] 143 |                 let param_type = fn_type.arg_types.get(i).unwrap();
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fn_type.arg_types[i]`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/type_checker.rs:170:36
[INFO] [stderr]     |
[INFO] [stderr] 170 |                                op: &ast::BinaryOp, l: &mut AstExpressionNode,
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: consider passing by value instead: `ast::BinaryOp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this block may be rewritten with the `?` operator
[INFO] [stderr]    --> src/type_checker.rs:267:17
[INFO] [stderr]     |
[INFO] [stderr] 267 | /                 if expr_t.is_none() {
[INFO] [stderr] 268 | |                     None
[INFO] [stderr] 269 | |                 } else if let Some(VarType::Struct(ref struct_name)) = expr_t {
[INFO] [stderr] 270 | |                     // return type of the field
[INFO] [stderr] ...   |
[INFO] [stderr] 286 | |                     None
[INFO] [stderr] 287 | |                 }
[INFO] [stderr]     | |_________________^ help: replace_it_with: `expr_t?;`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/type_checker.rs:273:26
[INFO] [stderr]     |
[INFO] [stderr] 273 |                         .expect(&format!("Struct {} unkown!", struct_name));
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Struct {} unkown!", struct_name))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:298:33
[INFO] [stderr]     |
[INFO] [stderr] 298 |                   let ret_type = &self.function_to_type
[INFO] [stderr]     |  _________________________________^
[INFO] [stderr] 299 | |                     .get(&self.current_fn)
[INFO] [stderr] 300 | |                     .unwrap()
[INFO] [stderr]     | |_____________________________^ help: try this: `&self.function_to_type[&self.current_fn]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/type_checker.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 | /                 if let &mut Some(ref mut else_stmts) = else_opt {
[INFO] [stderr] 330 | |                     // TODO: add else checker
[INFO] [stderr] 331 | |                     self.annotate_types_block(else_stmts) && self.annotate_types_block(stmts) && expr_type.is_some()
[INFO] [stderr] 332 | |                 } else {
[INFO] [stderr] 333 | |                     self.annotate_types_block(stmts) && expr_type.is_some()
[INFO] [stderr] 334 | |                 }
[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] 329 |                 if let Some(ref mut else_stmts) = *else_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/type_checker.rs:341:17
[INFO] [stderr]     |
[INFO] [stderr] 341 | /                 let mut res = true;
[INFO] [stderr] 342 | |                 if !self.type_exists(var_type) {
[INFO] [stderr] 343 | |                     self.errors_found.push(format!("Type {:?} doesn't exist.",
[INFO] [stderr] 344 | |                                                    var_type));
[INFO] [stderr] 345 | |                     res = false;
[INFO] [stderr] 346 | |                 }
[INFO] [stderr]     | |_________________^ help: it is more idiomatic to write: `let <mut> res = if !self.type_exists(var_type) { ..; false } else { true };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/type_checker.rs:348:17
[INFO] [stderr]     |
[INFO] [stderr] 348 | /                 if let &mut Some(ref mut expr) = expr_opt {
[INFO] [stderr] 349 | |                     self.annotate_type(expr);
[INFO] [stderr] 350 | |
[INFO] [stderr] 351 | |                     if !type_checker_helper::can_assign_expr_to_type(var_type,
[INFO] [stderr] ...   |
[INFO] [stderr] 360 | |                     // There was no initialization expression, which is fine.
[INFO] [stderr] 361 | |                 }
[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] 348 |                 if let Some(ref mut expr) = *expr_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/type_checker.rs:363:20
[INFO] [stderr]     |
[INFO] [stderr] 363 |                 if res == true {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: try simplifying it as shown: `res`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[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/type_checker.rs:409:40
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn add_structs(&mut self, structs: &Vec<StructDefinition>) {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[StructDefinition]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/type_checker.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 | /                 if let &Struct(_) = arg_type {
[INFO] [stderr] 430 | |                     self.errors_found.push("Cannot pass structs yet".to_string());
[INFO] [stderr] 431 | |                     return false;
[INFO] [stderr] 432 | |                 }
[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] 429 |                 if let Struct(_) = *arg_type {
[INFO] [stderr]     |                        ^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:445:46
[INFO] [stderr]     |
[INFO] [stderr] 445 |                 self.variable_to_type.insert(fun.args.get(i).unwrap().clone(),
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fun.args[i]`
[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 Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/type_checker.rs:446:46
[INFO] [stderr]     |
[INFO] [stderr] 446 |                                              fun.fn_type.arg_types.get(i).unwrap().clone());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fun.fn_type.arg_types[i]`
[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: this boolean expression can be simplified
[INFO] [stderr]   --> src/type_checker_helper.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 |     if !right.typ.is_some() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^ help: try: `right.typ.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/type_checker_helper.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | /     if let &Struct(_) = left_t {
[INFO] [stderr] 54 | |         // Can't assign structs to one another
[INFO] [stderr] 55 | |         return false;
[INFO] [stderr] 56 | |     }
[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] 53 |     if let Struct(_) = *left_t {
[INFO] [stderr]    |            ^^^^^^^^^   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/type_checker_helper.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 | /         if let &Pointer(_, _) = left_t {
[INFO] [stderr] 70 | |             if let &Expression::Value(val) = &right.expr {
[INFO] [stderr] 71 | |                 res = val == 0;
[INFO] [stderr] 72 | |             }
[INFO] [stderr] 73 | |         }
[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] 69 |         if let Pointer(_, _) = *left_t {
[INFO] [stderr]    |                ^^^^^^^^^^^^^   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/type_checker_helper.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 | /             if let &Expression::Value(val) = &right.expr {
[INFO] [stderr] 71 | |                 res = val == 0;
[INFO] [stderr] 72 | |             }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 70 |             if let Expression::Value(val) = right.expr {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/type_checker_helper.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if !left.typ.is_some() || !right.typ.is_some() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `left.typ.is_none() || right.typ.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/x86_code_generator.rs:112:14
[INFO] [stderr]     |
[INFO] [stderr] 112 |             .expect(&format!("Unkown variable {}", varname));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Unkown variable {}", varname))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/x86_code_generator.rs:123:14
[INFO] [stderr]     |
[INFO] [stderr] 123 |             .expect(&format!("Unkown variable {}", varname));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Unkown variable {}", varname))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/x86_code_generator.rs:140:27
[INFO] [stderr]     |
[INFO] [stderr] 140 |                 let var = self.identifier_to_var.get(name).unwrap();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.identifier_to_var[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/x86_code_generator.rs:212:33
[INFO] [stderr]     |
[INFO] [stderr] 212 |                     let label = self.string_to_label.get(v).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&self.string_to_label[v]`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/x86_code_generator.rs:347:17
[INFO] [stderr]     |
[INFO] [stderr] 347 | /                 if let &Some(ref else_statements) = else_block_opt {
[INFO] [stderr] 348 | |                     self.instructions.push(Comment("The start of else block".to_string()));
[INFO] [stderr] 349 | |                     self.evaluate_block(else_statements);
[INFO] [stderr] 350 | |                     let label = format!("L{}", self.label_num);
[INFO] [stderr] 351 | |                     self.label_num += 1;
[INFO] [stderr] 352 | |                     self.instructions.push(Instruction::Label(label.to_string()));
[INFO] [stderr] 353 | |                 }
[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] 347 |                 if let Some(ref else_statements) = *else_block_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/x86_code_generator.rs:396:17
[INFO] [stderr]     |
[INFO] [stderr] 396 | /                 if let &Some(ref expr) = expr_opt {
[INFO] [stderr] 397 | |                     let reg = self.evaluate_expression(expr);
[INFO] [stderr] 398 | |                     self.move_value_to_var(reg, name);
[INFO] [stderr] 399 | |                 }
[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] 396 |                 if let Some(ref expr) = *expr_opt {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/x86_code_generator.rs:438:31
[INFO] [stderr]     |
[INFO] [stderr] 438 |                           op: &BinaryOp,
[INFO] [stderr]     |                               ^^^^^^^^^ help: consider passing by value instead: `BinaryOp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/x86_code_generator.rs:557:43
[INFO] [stderr]     |
[INFO] [stderr] 557 |             self.identifier_to_var.insert(fun.args.get(i).unwrap().clone(), var);
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `fun.args[i]`
[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: The function/method `instruction_list_to_asm` doesn't need a mutable reference
[INFO] [stderr]    --> src/x86_code_generator.rs:583:48
[INFO] [stderr]     |
[INFO] [stderr] 583 |         code.push_str(&instruction_list_to_asm(&mut self.instructions));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn write_code(complete_code: &String, path: &Path) {
[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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/main.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |       if let Err(_) = result {
[INFO] [stderr]    |  _____-      ^^^^^^
[INFO] [stderr] 68 | |         panic!("Error reading file {}", filename);
[INFO] [stderr] 69 | |     }
[INFO] [stderr]    | |_____- help: try this: `if result.is_err()`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "e5393804b7aa56d1f79072394a4c0b3cf498bcf977620c8b66c7b2cc4e480d2d"`
[INFO] running `"docker" "rm" "-f" "e5393804b7aa56d1f79072394a4c0b3cf498bcf977620c8b66c7b2cc4e480d2d"`
[INFO] [stdout] e5393804b7aa56d1f79072394a4c0b3cf498bcf977620c8b66c7b2cc4e480d2d