[INFO] updating cached repository CodeAffe/Lisperator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CodeAffe/Lisperator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CodeAffe/Lisperator" "work/ex/clippy-test-run/sources/stable/gh/CodeAffe/Lisperator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/CodeAffe/Lisperator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CodeAffe/Lisperator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CodeAffe/Lisperator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CodeAffe/Lisperator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 213df5d24bf6ee1fbb02003b7e4dbbbd23ac98fc
[INFO] sha for GitHub repo CodeAffe/Lisperator: 213df5d24bf6ee1fbb02003b7e4dbbbd23ac98fc
[INFO] validating manifest of CodeAffe/Lisperator 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 CodeAffe/Lisperator 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 CodeAffe/Lisperator
[INFO] finished frobbing CodeAffe/Lisperator
[INFO] frobbed toml for CodeAffe/Lisperator written to work/ex/clippy-test-run/sources/stable/gh/CodeAffe/Lisperator/Cargo.toml
[INFO] started frobbing CodeAffe/Lisperator
[INFO] finished frobbing CodeAffe/Lisperator
[INFO] frobbed toml for CodeAffe/Lisperator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CodeAffe/Lisperator/Cargo.toml
[INFO] crate CodeAffe/Lisperator 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 CodeAffe/Lisperator against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/CodeAffe/Lisperator:/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] 2423dab399d1a8adabe31c3d3cf4d1353e8d8a05b9e07307f56ba6951c7e8b31
[INFO] running `"docker" "start" "-a" "2423dab399d1a8adabe31c3d3cf4d1353e8d8a05b9e07307f56ba6951c7e8b31"`
[INFO] [stderr]     Checking lisperator-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         input: input,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `input`
[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/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         input: input,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `input`
[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: unneeded unit expression
[INFO] [stderr]   --> src/TokenStream.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         ()
[INFO] [stderr]    |         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/TokenStream.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |         if input.eof() { () };
[INFO] [stderr]    |                          ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/TokenStream.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         return index >= Some(0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `index >= Some(0)`
[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/TokenStream.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return self.is_id_start(ch);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.is_id_start(ch)`
[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/TokenStream.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         return retval.to_string();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `retval.to_string()`
[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/TokenStream.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 | /         return Token {
[INFO] [stderr] 119 | |             data_type: "num".to_string(),    
[INFO] [stderr] 120 | |             value: number.to_string(),
[INFO] [stderr] 121 | |         }
[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] 118 |         Token {
[INFO] [stderr] 119 |             data_type: "num".to_string(),    
[INFO] [stderr] 120 |             value: number.to_string(),
[INFO] [stderr] 121 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/TokenStream.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         return retval;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `retval`
[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/TokenStream.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 | /         return Token {
[INFO] [stderr] 153 | |             data_type: "str".to_string(),
[INFO] [stderr] 154 | |             value: self.read_escaped('"').to_string()
[INFO] [stderr] 155 | |         };
[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] 152 |         Token {
[INFO] [stderr] 153 |             data_type: "str".to_string(),
[INFO] [stderr] 154 |             value: self.read_escaped('"').to_string()
[INFO] [stderr] 155 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/TokenStream.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         ()
[INFO] [stderr]    |         ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/TokenStream.rs:16:26
[INFO] [stderr]    |
[INFO] [stderr] 16 |         if input.eof() { () };
[INFO] [stderr]    |                          ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/TokenStream.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         return index >= Some(0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `index >= Some(0)`
[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/TokenStream.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return self.is_id_start(ch);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.is_id_start(ch)`
[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/TokenStream.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         return reg.is_match(&ch.to_string());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reg.is_match(&ch.to_string())`
[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/TokenStream.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         return retval.to_string();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `retval.to_string()`
[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/TokenStream.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 | /         return Token {
[INFO] [stderr] 119 | |             data_type: "num".to_string(),    
[INFO] [stderr] 120 | |             value: number.to_string(),
[INFO] [stderr] 121 | |         }
[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] 118 |         Token {
[INFO] [stderr] 119 |             data_type: "num".to_string(),    
[INFO] [stderr] 120 |             value: number.to_string(),
[INFO] [stderr] 121 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/TokenStream.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         return retval;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `retval`
[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/TokenStream.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 | /         return Token {
[INFO] [stderr] 153 | |             data_type: "str".to_string(),
[INFO] [stderr] 154 | |             value: self.read_escaped('"').to_string()
[INFO] [stderr] 155 | |         };
[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] 152 |         Token {
[INFO] [stderr] 153 |             data_type: "str".to_string(),
[INFO] [stderr] 154 |             value: self.read_escaped('"').to_string()
[INFO] [stderr] 155 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `has_dot`
[INFO] [stderr]    --> src/TokenStream.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut has_dot = false;
[INFO] [stderr]     |                 ^^^^^^^ help: consider using `_has_dot` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/TokenStream.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut id = 0;
[INFO] [stderr]     |                 ^^ help: consider using `_id` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut input = InputStream::InputStream {
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut token = TokenStream::TokenStream {
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/TokenStream.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut has_dot = false;
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/TokenStream.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let mut number = 0;
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/TokenStream.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut id = 0;
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]   --> src/InputStream.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn next(&mut self) -> char {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek`
[INFO] [stderr]   --> src/InputStream.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn peek(&self) -> char {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eof`
[INFO] [stderr]   --> src/InputStream.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn eof(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `croak`
[INFO] [stderr]   --> src/InputStream.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn croak(&self, msg: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_next`
[INFO] [stderr]   --> src/TokenStream.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn read_next(&self, input: &InputStream) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_keyword`
[INFO] [stderr]   --> src/TokenStream.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn is_keyword(&self, ch: String) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_id_start`
[INFO] [stderr]   --> src/TokenStream.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn is_id_start(&self, ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_id`
[INFO] [stderr]   --> src/TokenStream.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn is_id(&self, ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_op_char`
[INFO] [stderr]   --> src/TokenStream.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn is_op_char(ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_punc`
[INFO] [stderr]   --> src/TokenStream.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn is_punc(ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_whitespace`
[INFO] [stderr]   --> src/TokenStream.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn is_whitespace(&self, ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_while`
[INFO] [stderr]    --> src/TokenStream.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn read_while(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_number`
[INFO] [stderr]    --> src/TokenStream.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn read_number() -> Token {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_ident`
[INFO] [stderr]    --> src/TokenStream.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn read_ident() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_escaped`
[INFO] [stderr]    --> src/TokenStream.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn read_escaped(&self, end: char) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_string`
[INFO] [stderr]    --> src/TokenStream.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn read_string(&self) -> Token {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Token`
[INFO] [stderr]    --> src/TokenStream.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | pub struct Token {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ReadEvent`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | enum ReadEvent {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `InputStream` should have a snake case name such as `input_stream`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod InputStream;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `TokenStream` should have a snake case name such as `token_stream`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod TokenStream;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/TokenStream.rs:64:59
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let index = self.keywords.iter().position(|ref s| s.to_string() == ch);
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^ help: try: `*s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] error: regex syntax error: unrecognized escape sequence
[INFO] [stderr]   --> src/TokenStream.rs:87:39
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let reg = Regex::new(r"[\+\-\*\/\%\=\&\|\<\>\!]").unwrap();
[INFO] [stderr]    |                                       ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::invalid_regex)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
[INFO] [stderr] 
[INFO] [stderr] error: regex syntax error: unrecognized escape sequence
[INFO] [stderr]   --> src/TokenStream.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let reg = Regex::new(r"[\,\;\(\)\{\}\[\]]").unwrap();
[INFO] [stderr]    |                                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `has_dot`
[INFO] [stderr]    --> src/TokenStream.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut has_dot = false;
[INFO] [stderr]     |                 ^^^^^^^ help: consider using `_has_dot` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/TokenStream.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut id = 0;
[INFO] [stderr]     |                 ^^ help: consider using `_id` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut input = InputStream::InputStream {
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut token = TokenStream::TokenStream {
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lisperator-rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/TokenStream.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut has_dot = false;
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/TokenStream.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let mut number = 0;
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/TokenStream.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut id = 0;
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next`
[INFO] [stderr]   --> src/InputStream.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn next(&mut self) -> char {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek`
[INFO] [stderr]   --> src/InputStream.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn peek(&self) -> char {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eof`
[INFO] [stderr]   --> src/InputStream.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn eof(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `croak`
[INFO] [stderr]   --> src/InputStream.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn croak(&self, msg: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_next`
[INFO] [stderr]   --> src/TokenStream.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn read_next(&self, input: &InputStream) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_keyword`
[INFO] [stderr]   --> src/TokenStream.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn is_keyword(&self, ch: String) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_id_start`
[INFO] [stderr]   --> src/TokenStream.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn is_id_start(&self, ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_id`
[INFO] [stderr]   --> src/TokenStream.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn is_id(&self, ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_op_char`
[INFO] [stderr]   --> src/TokenStream.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn is_op_char(ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_punc`
[INFO] [stderr]   --> src/TokenStream.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn is_punc(ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_whitespace`
[INFO] [stderr]   --> src/TokenStream.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn is_whitespace(&self, ch: char) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_while`
[INFO] [stderr]    --> src/TokenStream.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn read_while(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_number`
[INFO] [stderr]    --> src/TokenStream.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn read_number() -> Token {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_ident`
[INFO] [stderr]    --> src/TokenStream.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn read_ident() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_escaped`
[INFO] [stderr]    --> src/TokenStream.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn read_escaped(&self, end: char) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_string`
[INFO] [stderr]    --> src/TokenStream.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn read_string(&self) -> Token {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Token`
[INFO] [stderr]    --> src/TokenStream.rs:176:1
[INFO] [stderr]     |
[INFO] [stderr] 176 | pub struct Token {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ReadEvent`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | enum ReadEvent {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `InputStream` should have a snake case name such as `input_stream`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod InputStream;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `TokenStream` should have a snake case name such as `token_stream`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod TokenStream;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/TokenStream.rs:64:59
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let index = self.keywords.iter().position(|ref s| s.to_string() == ch);
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^ help: try: `*s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] error: regex syntax error: unrecognized escape sequence
[INFO] [stderr]   --> src/TokenStream.rs:87:39
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let reg = Regex::new(r"[\+\-\*\/\%\=\&\|\<\>\!]").unwrap();
[INFO] [stderr]    |                                       ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::invalid_regex)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
[INFO] [stderr] 
[INFO] [stderr] error: regex syntax error: unrecognized escape sequence
[INFO] [stderr]   --> src/TokenStream.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let reg = Regex::new(r"[\,\;\(\)\{\}\[\]]").unwrap();
[INFO] [stderr]    |                                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#invalid_regex
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lisperator-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2423dab399d1a8adabe31c3d3cf4d1353e8d8a05b9e07307f56ba6951c7e8b31"`
[INFO] running `"docker" "rm" "-f" "2423dab399d1a8adabe31c3d3cf4d1353e8d8a05b9e07307f56ba6951c7e8b31"`
[INFO] [stdout] 2423dab399d1a8adabe31c3d3cf4d1353e8d8a05b9e07307f56ba6951c7e8b31