[INFO] cloning repository https://github.com/danny270793/CodeMetadata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danny270793/CodeMetadata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanny270793%2FCodeMetadata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanny270793%2FCodeMetadata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b3e42ff1793ea74296672699b8871cb6ff11743
[INFO] linting danny270793/CodeMetadata against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanny270793%2FCodeMetadata" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danny270793/CodeMetadata
[INFO] finished tweaking git repo https://github.com/danny270793/CodeMetadata
[INFO] tweaked toml for git repo https://github.com/danny270793/CodeMetadata written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danny270793/CodeMetadata on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danny270793/CodeMetadata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9974705848dd337dad72e790210c58be9fe77d84842f6dc984c6507591381de5
[INFO] running `Command { std: "docker" "start" "-a" "9974705848dd337dad72e790210c58be9fe77d84842f6dc984c6507591381de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9974705848dd337dad72e790210c58be9fe77d84842f6dc984c6507591381de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9974705848dd337dad72e790210c58be9fe77d84842f6dc984c6507591381de5", kill_on_drop: false }`
[INFO] [stdout] 9974705848dd337dad72e790210c58be9fe77d84842f6dc984c6507591381de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35ca3d39097ce48b115f64ad3434777da92ca354f12f317ab7d3802692b5839e
[INFO] running `Command { std: "docker" "start" "-a" "35ca3d39097ce48b115f64ad3434777da92ca354f12f317ab7d3802692b5839e", kill_on_drop: false }`
[INFO] [stderr]     Checking code-metadata v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `print` and `get_headers_from` are never used
[INFO] [stdout]   --> src/table.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Table {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn print(&self, rows: &Vec<collections::HashMap<String, String>>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn get_headers_from(&self, rows: &Vec<collections::HashMap<String, String>>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::fs::ReadDir`
[INFO] [stdout]  --> src/directory.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::read_dir(path).unwrap().into_iter().for_each(|file: Result<fs::DirEntry, io::Error>| {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `fs::read_dir(path).unwrap()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]   = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/directory.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if !link.is_ok() && metadata.is_dir() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: try: `link.is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:17:44
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn print_with_headers(&self, rows: &Vec<collections::HashMap<String, String>>, headers: &Vec<String>) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 17 -     pub fn print_with_headers(&self, rows: &Vec<collections::HashMap<String, String>>, headers: &Vec<String>) {
[INFO] [stdout] 17 +     pub fn print_with_headers(&self, rows: &[collections::HashMap<String, String>], headers: &Vec<String>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.print_separator(&headers, &sizes);
[INFO] [stdout]    |                              ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |         self.print_line(&headers, &sizes, &headers_map);
[INFO] [stdout]    |                         ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |             self.print_separator(&headers, &sizes);
[INFO] [stdout]    |                                  ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:47:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |             self.print_line(&headers, &sizes, row);
[INFO] [stdout]    |                             ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.print_separator(&headers, &sizes);
[INFO] [stdout]    |                              ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:53:58
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let headers: Vec<String> = self.get_headers_from(&rows);
[INFO] [stdout]    |                                                          ^^^^^ help: change this to: `rows`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.print_with_headers(&rows, &headers);
[INFO] [stdout]    |                                 ^^^^^ help: change this to: `rows`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get_headers_from(&self, rows: &Vec<collections::HashMap<String, String>>) -> Vec<String> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 57 -     fn get_headers_from(&self, rows: &Vec<collections::HashMap<String, String>>) -> Vec<String> {
[INFO] [stdout] 57 +     fn get_headers_from(&self, rows: &[collections::HashMap<String, String>]) -> Vec<String> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:69:35
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn print_line(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>, row: &collections::HashMap<String, Stri...
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 69 -     fn print_line(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>, row: &collections::HashMap<String, String>) {
[INFO] [stdout] 69 +     fn print_line(&self, headers: &[String], sizes: &collections::HashMap<String, usize>, row: &collections::HashMap<String, String>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/table.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn print_separator(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 87 -     fn print_separator(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>) {
[INFO] [stdout] 87 +     fn print_separator(&self, headers: &[String], sizes: &collections::HashMap<String, usize>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/table.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         println!("");
[INFO] [stdout]     |         ^^^^^^^^^--^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/codemetadata.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_metadatas(files: &Vec<String>) -> collections::HashMap<String, FileMetadata> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 17 -     pub fn get_metadatas(files: &Vec<String>) -> collections::HashMap<String, FileMetadata> {
[INFO] [stdout] 17 +     pub fn get_metadatas(files: &[String]) -> collections::HashMap<String, FileMetadata> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/codemetadata.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |             if metadata.0 == "" {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `metadata.0.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/codemetadata.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | /                 match rows {
[INFO] [stdout] 27 | |                     Some(value) => {
[INFO] [stdout] 28 | |                         let file_metadata: FileMetadata = FileMetadata {
[INFO] [stdout] 29 | |                             files: value.files + 1,
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |                     None => {},
[INFO] [stdout] 35 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 26 ~                 if let Some(value) = rows {
[INFO] [stdout] 27 +                     let file_metadata: FileMetadata = FileMetadata {
[INFO] [stdout] 28 +                         files: value.files + 1,
[INFO] [stdout] 29 +                         lines: value.lines + metadata.1
[INFO] [stdout] 30 +                     };
[INFO] [stdout] 31 +                     hash_map.insert(metadata.0, file_metadata);
[INFO] [stdout] 32 +                 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/codemetadata.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         return (String::from(file_parts[file_parts.len() - 1]), lines);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 71 -         return (String::from(file_parts[file_parts.len() - 1]), lines);
[INFO] [stdout] 71 +         (String::from(file_parts[file_parts.len() - 1]), lines)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/codemetadata.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get_metadata(file: &String) -> (String, usize) {
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 47 ~     pub fn get_metadata(file: &str) -> (String, usize) {
[INFO] [stdout] 48 |         let path_parts: Vec<&str> = file.split(path::MAIN_SEPARATOR.to_string().as_str()).collect();
[INFO] [stdout] ...
[INFO] [stdout] 51 |         let file_parts: Vec<&str> = filename.split(".").collect();
[INFO] [stdout] 52 ~         let input: fs::File = fs::File::open(file).expect("can't open file");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/command.rs:37:52
[INFO] [stdout]    |
[INFO] [stdout] 37 | ...                   let error: io::Error = io::Error::new(io::ErrorKind::Other, format!("argument {} is not parsable", argument));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout]    = note: `#[warn(clippy::io_other_error)]` on by default
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 37 -                             let error: io::Error = io::Error::new(io::ErrorKind::Other, format!("argument {} is not parsable", argument));
[INFO] [stdout] 37 +                             let error: io::Error = io::Error::other(format!("argument {} is not parsable", argument));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::collections::hash_map::Keys<'_, std::string::String, codemetadata::FileMetadata>`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         lines.keys().into_iter().for_each(|extention: &String| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `lines.keys()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/main.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |             file.ends_with(&text) && metadata.0 != ""
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!metadata.0.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `print` and `get_headers_from` are never used
[INFO] [stdout]   --> src/table.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Table {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn print(&self, rows: &Vec<collections::HashMap<String, String>>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn get_headers_from(&self, rows: &Vec<collections::HashMap<String, String>>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::fs::ReadDir`
[INFO] [stdout]  --> src/directory.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::read_dir(path).unwrap().into_iter().for_each(|file: Result<fs::DirEntry, io::Error>| {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `fs::read_dir(path).unwrap()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]   = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/directory.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if !link.is_ok() && metadata.is_dir() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: try: `link.is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:17:44
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn print_with_headers(&self, rows: &Vec<collections::HashMap<String, String>>, headers: &Vec<String>) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 17 -     pub fn print_with_headers(&self, rows: &Vec<collections::HashMap<String, String>>, headers: &Vec<String>) {
[INFO] [stdout] 17 +     pub fn print_with_headers(&self, rows: &[collections::HashMap<String, String>], headers: &Vec<String>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.print_separator(&headers, &sizes);
[INFO] [stdout]    |                              ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |         self.print_line(&headers, &sizes, &headers_map);
[INFO] [stdout]    |                         ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |             self.print_separator(&headers, &sizes);
[INFO] [stdout]    |                                  ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:47:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |             self.print_line(&headers, &sizes, row);
[INFO] [stdout]    |                             ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.print_separator(&headers, &sizes);
[INFO] [stdout]    |                              ^^^^^^^^ help: change this to: `headers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:53:58
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let headers: Vec<String> = self.get_headers_from(&rows);
[INFO] [stdout]    |                                                          ^^^^^ help: change this to: `rows`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/table.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.print_with_headers(&rows, &headers);
[INFO] [stdout]    |                                 ^^^^^ help: change this to: `rows`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get_headers_from(&self, rows: &Vec<collections::HashMap<String, String>>) -> Vec<String> {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 57 -     fn get_headers_from(&self, rows: &Vec<collections::HashMap<String, String>>) -> Vec<String> {
[INFO] [stdout] 57 +     fn get_headers_from(&self, rows: &[collections::HashMap<String, String>]) -> Vec<String> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:69:35
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn print_line(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>, row: &collections::HashMap<String, Stri...
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 69 -     fn print_line(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>, row: &collections::HashMap<String, String>) {
[INFO] [stdout] 69 +     fn print_line(&self, headers: &[String], sizes: &collections::HashMap<String, usize>, row: &collections::HashMap<String, String>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/table.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/table.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn print_separator(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 87 -     fn print_separator(&self, headers: &Vec<String>, sizes: &collections::HashMap<String, usize>) {
[INFO] [stdout] 87 +     fn print_separator(&self, headers: &[String], sizes: &collections::HashMap<String, usize>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/table.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         println!("");
[INFO] [stdout]     |         ^^^^^^^^^--^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/codemetadata.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_metadatas(files: &Vec<String>) -> collections::HashMap<String, FileMetadata> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 17 -     pub fn get_metadatas(files: &Vec<String>) -> collections::HashMap<String, FileMetadata> {
[INFO] [stdout] 17 +     pub fn get_metadatas(files: &[String]) -> collections::HashMap<String, FileMetadata> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/codemetadata.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |             if metadata.0 == "" {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `metadata.0.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/codemetadata.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 | /                 match rows {
[INFO] [stdout] 27 | |                     Some(value) => {
[INFO] [stdout] 28 | |                         let file_metadata: FileMetadata = FileMetadata {
[INFO] [stdout] 29 | |                             files: value.files + 1,
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |                     None => {},
[INFO] [stdout] 35 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 26 ~                 if let Some(value) = rows {
[INFO] [stdout] 27 +                     let file_metadata: FileMetadata = FileMetadata {
[INFO] [stdout] 28 +                         files: value.files + 1,
[INFO] [stdout] 29 +                         lines: value.lines + metadata.1
[INFO] [stdout] 30 +                     };
[INFO] [stdout] 31 +                     hash_map.insert(metadata.0, file_metadata);
[INFO] [stdout] 32 +                 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/codemetadata.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         return (String::from(file_parts[file_parts.len() - 1]), lines);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 71 -         return (String::from(file_parts[file_parts.len() - 1]), lines);
[INFO] [stdout] 71 +         (String::from(file_parts[file_parts.len() - 1]), lines)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&String` instead of `&str` involves a new object where a slice will do
[INFO] [stdout]   --> src/codemetadata.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get_metadata(file: &String) -> (String, usize) {
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 47 ~     pub fn get_metadata(file: &str) -> (String, usize) {
[INFO] [stdout] 48 |         let path_parts: Vec<&str> = file.split(path::MAIN_SEPARATOR.to_string().as_str()).collect();
[INFO] [stdout] ...
[INFO] [stdout] 51 |         let file_parts: Vec<&str> = filename.split(".").collect();
[INFO] [stdout] 52 ~         let input: fs::File = fs::File::open(file).expect("can't open file");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]   --> src/command.rs:37:52
[INFO] [stdout]    |
[INFO] [stdout] 37 | ...                   let error: io::Error = io::Error::new(io::ErrorKind::Other, format!("argument {} is not parsable", argument));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout]    = note: `#[warn(clippy::io_other_error)]` on by default
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]    |
[INFO] [stdout] 37 -                             let error: io::Error = io::Error::new(io::ErrorKind::Other, format!("argument {} is not parsable", argument));
[INFO] [stdout] 37 +                             let error: io::Error = io::Error::other(format!("argument {} is not parsable", argument));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::collections::hash_map::Keys<'_, std::string::String, codemetadata::FileMetadata>`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         lines.keys().into_iter().for_each(|extention: &String| {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `lines.keys()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/main.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |             file.ends_with(&text) && metadata.0 != ""
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!metadata.0.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "35ca3d39097ce48b115f64ad3434777da92ca354f12f317ab7d3802692b5839e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ca3d39097ce48b115f64ad3434777da92ca354f12f317ab7d3802692b5839e", kill_on_drop: false }`
[INFO] [stdout] 35ca3d39097ce48b115f64ad3434777da92ca354f12f317ab7d3802692b5839e