[INFO] fetching crate scanner_vin 0.1.0...
[INFO] checking scanner_vin-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate scanner_vin 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate scanner_vin 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scanner_vin 0.1.0
[INFO] finished tweaking crates.io crate scanner_vin 0.1.0
[INFO] tweaked toml for crates.io crate scanner_vin 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbc3cf734cb53735792345693e28de19e723e8b5106b49e44527f47e27dfa37c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dbc3cf734cb53735792345693e28de19e723e8b5106b49e44527f47e27dfa37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc3cf734cb53735792345693e28de19e723e8b5106b49e44527f47e27dfa37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc3cf734cb53735792345693e28de19e723e8b5106b49e44527f47e27dfa37c", kill_on_drop: false }`
[INFO] [stdout] dbc3cf734cb53735792345693e28de19e723e8b5106b49e44527f47e27dfa37c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afd7419f971f64205db28503f73aae0bf7899d94b700b616805d63b3d04abecf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afd7419f971f64205db28503f73aae0bf7899d94b700b616805d63b3d04abecf", kill_on_drop: false }`
[INFO] [stderr]     Checking scanner_vin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         try!(lexer.run());
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:135:39
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...                   let val = try!(self.parse_number());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | ...                   try!(self.parse_delimiter());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   let val = try!(self.parse_identifier());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   try!(self.parse_delimiter());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let ast = try!(parse(&v));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::AsRef`
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:133:28
[INFO] [stdout]     |
[INFO] [stdout] 133 |                         '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |                         '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         try!(lexer.run());
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:135:39
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...                   let val = try!(self.parse_number());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | ...                   try!(self.parse_delimiter());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   let val = try!(self.parse_identifier());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:161:38
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...                   try!(self.parse_delimiter());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let ast = try!(parse(&v));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::AsRef`
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:133:28
[INFO] [stdout]     |
[INFO] [stdout] 133 |                         '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |                         '0'...'9' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lexer.rs:139:68
[INFO] [stdout]     |
[INFO] [stdout] 139 |                         '[' | ']' | '{' | '}' | '|' | '\\' | '/' | '/'=> {
[INFO] [stdout]     |                                                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env1`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let env1 = environment::env();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_env1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chk`
[INFO] [stdout]   --> src/environment.rs:69:46
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     LetRecLangEnv::ExtendEnv(chk, val,env_1) => {false},//if some thing there false
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_chk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/environment.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     LetRecLangEnv::ExtendEnv(chk, val,env_1) => {false},//if some thing there false
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env_1`
[INFO] [stdout]   --> src/environment.rs:69:55
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     LetRecLangEnv::ExtendEnv(chk, val,env_1) => {false},//if some thing there false
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_env_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/lexer.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/lexer.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn peek(&mut self) -> Option<char> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_option_to_Proc_expression`
[INFO] [stdout]    --> src/parser.rs:136:6
[INFO] [stdout]     |
[INFO] [stdout] 136 |   fn change_option_to_Proc_expression(&mut self,exp: Option<ProcLangExp>)->Result<ProcLangExp, ParseError>{
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Identifier`
[INFO] [stdout]  --> src/environment.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Identifier = String;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExtendEnv`
[INFO] [stdout]   --> src/environment.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ExtendEnv(String, IntBoolProc, Rc<LetRecLangEnv>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/environment.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | Integer(i32),
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/environment.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | Boolean(bool),
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Procedure`
[INFO] [stdout]   --> src/environment.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | Procedure(String,Rc<ProcLangExp>,Rc<LetRecLangEnv>),
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extend_env`
[INFO] [stdout]   --> src/environment.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn extend_env(&self, s: &String, val: IntBoolProc)->Self{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply_env`
[INFO] [stdout]   --> src/environment.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn apply_env(&self, s: &String)->Option<IntBoolProc>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_null_env`
[INFO] [stdout]   --> src/environment.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn is_null_env(&self) -> bool { 
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     #[derive(Debug)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_ProcLangExps` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn parse_ProcLangExps(&mut self)->Result<Option<ProcLangExp>,ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_proc_lang_exps`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `change_option_to_Proc_expression` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:136:6
[INFO] [stdout]     |
[INFO] [stdout] 136 |   fn change_option_to_Proc_expression(&mut self,exp: Option<ProcLangExp>)->Result<ProcLangExp, ParseError>{
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `change_option_to_proc_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `IsZerochk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn IsZerochk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^ help: convert the identifier to snake case: `is_zerochk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Diffexpchk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn Diffexpchk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `diffexpchk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Plusexpchk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn Plusexpchk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `plusexpchk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Ifexpchk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn Ifexpchk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `ifexpchk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Callexpchk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn Callexpchk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `callexpchk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Letexpchk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn Letexpchk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^ help: convert the identifier to snake case: `letexpchk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Letrecexpchk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn Letrecexpchk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `letrecexpchk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Procexpchk` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn Procexpchk(&mut self)->Result<Option<ProcLangExp>, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `procexpchk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `RC_exp_to_string` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn RC_exp_to_string(&mut self,exp :Option<ProcLangExp>)-> Result<String, ParseError>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `rc_exp_to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_ProcLangExp_token` should have a snake case name
[INFO] [stdout]    --> src/parser.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |      fn parse_ProcLangExp_token(&mut self) -> Result<Option<ProcLangExp>, ParseError> {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_proc_lang_exp_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `OpenParen` found for enum `lexer::Token` in the current scope
[INFO] [stdout]    --> src/lexer.rs:250:28
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub enum Token {
[INFO] [stdout]     | -------------- variant or associated item `OpenParen` not found here
[INFO] [stdout] ...
[INFO] [stdout] 250 |                vec![Token::OpenParen, Token::Identifier("+".to_string()), Token::Integer(2), Token::Integer(3), Token::CloseParen]);
[INFO] [stdout]     |                            ^^^^^^^^^ variant or associated item not found in `lexer::Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `CloseParen` found for enum `lexer::Token` in the current scope
[INFO] [stdout]    --> src/lexer.rs:250:120
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub enum Token {
[INFO] [stdout]     | -------------- variant or associated item `CloseParen` not found here
[INFO] [stdout] ...
[INFO] [stdout] 250 |                vec![Token::OpenParen, Token::Identifier("+".to_string()), Token::Integer(2), Token::Integer(3), Token::CloseParen]);
[INFO] [stdout]     |                                                                                                                        ^^^^^^^^^^ variant or associated item not found in `lexer::Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scanner_vin`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "afd7419f971f64205db28503f73aae0bf7899d94b700b616805d63b3d04abecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd7419f971f64205db28503f73aae0bf7899d94b700b616805d63b3d04abecf", kill_on_drop: false }`
[INFO] [stdout] afd7419f971f64205db28503f73aae0bf7899d94b700b616805d63b3d04abecf