{"message":"unused imports: `Arg`, `SubCommand`","code":{"code":"unused_imports","explanation":null},"level":"warning","spans":[{"file_name":"src/main.rs","byte_start":79,"byte_end":82,"line_start":4,"line_end":4,"column_start":12,"column_end":15,"is_primary":true,"text":[{"text":"use clap::{Arg, App, SubCommand};","highlight_start":12,"highlight_end":15}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/main.rs","byte_start":89,"byte_end":99,"line_start":4,"line_end":4,"column_start":22,"column_end":32,"is_primary":true,"text":[{"text":"use clap::{Arg, App, SubCommand};","highlight_start":22,"highlight_end":32}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(unused_imports)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"remove the unused imports","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":79,"byte_end":84,"line_start":4,"line_end":4,"column_start":12,"column_end":17,"is_primary":true,"text":[{"text":"use clap::{Arg, App, SubCommand};","highlight_start":12,"highlight_end":17}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null},{"file_name":"src/main.rs","byte_start":87,"byte_end":99,"line_start":4,"line_end":4,"column_start":20,"column_end":32,"is_primary":true,"text":[{"text":"use clap::{Arg, App, SubCommand};","highlight_start":20,"highlight_end":32}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: unused imports: `Arg`, `SubCommand`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:4:12\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m4\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse clap::{Arg, App, SubCommand};\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m           \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^\u001b[0m\u001b[0m       \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^^^^\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(unused_imports)]` on by default\u001b[0m\n\n"}
{"message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.\n\nErroneous code examples:\n\n```compile_fail,E0308\nfn plus_one(x: i32) -> i32 {\n    x + 1\n}\n\nplus_one(\"Not a number\");\n//       ^^^^^^^^^^^^^^ expected `i32`, found `&str`\n\nif \"Not a bool\" {\n// ^^^^^^^^^^^^ expected `bool`, found `&str`\n}\n\nlet x: f32 = \"Not a float\";\n//     ---   ^^^^^^^^^^^^^ expected `f32`, found `&str`\n//     |\n//     expected due to this\n```\n\nThis error occurs when an expression was used in a place where the compiler\nexpected an expression of a different type. It can occur in several cases, the\nmost common being when calling a function and passing an argument which has a\ndifferent type than the matching type in the function declaration.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":672,"byte_end":742,"line_start":31,"line_end":32,"column_start":5,"column_end":47,"is_primary":true,"text":[{"text":"    App::new(\"compare csv\")","highlight_start":5,"highlight_end":28},{"text":"    .about(\"showing differences in csv files\")","highlight_start":1,"highlight_end":47}],"label":"expected `()`, found struct `App`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"consider using a semicolon here","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":742,"byte_end":742,"line_start":32,"line_end":32,"column_start":47,"column_end":47,"is_primary":true,"text":[{"text":"    .about(\"showing differences in csv files\")","highlight_start":47,"highlight_end":47}],"label":null,"suggested_replacement":";","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null},{"message":"try adding a return type","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":666,"byte_end":666,"line_start":30,"line_end":30,"column_start":22,"column_end":22,"is_primary":true,"text":[{"text":"fn handleArguments() {","highlight_start":22,"highlight_end":22}],"label":null,"suggested_replacement":"-> App<'_, '_> ","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0308]\u001b[0m\u001b[0m\u001b[1m: mismatched types\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:31:5\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m31\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m/\u001b[0m\u001b[0m \u001b[0m\u001b[0m    App::new(\"compare csv\")\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m32\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m    .about(\"showing differences in csv files\")\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m|______________________________________________^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mexpected `()`, found struct `App`\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: consider using a semicolon here\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m32\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m    .about(\"showing differences in csv files\");\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m                                              \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m^\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: try adding a return type\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m30\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0mfn handleArguments() -> App<'_, '_> {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m                     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m^^^^^^^^^^^^^^\u001b[0m\n\n"}
{"message":"aborting due to previous error; 1 warning emitted","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to previous error; 1 warning emitted\u001b[0m\n\n"}
{"message":"For more information about this error, try `rustc --explain E0308`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about this error, try `rustc --explain E0308`.\u001b[0m\n"}