[INFO] cloning repository https://github.com/VinayGb665/tf-idf-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VinayGb665/tf-idf-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinayGb665%2Ftf-idf-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinayGb665%2Ftf-idf-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3f7905a9a7bc767c171990f46786010d85605af
[INFO] checking VinayGb665/tf-idf-search against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinayGb665%2Ftf-idf-search" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VinayGb665/tf-idf-search
[INFO] finished tweaking git repo https://github.com/VinayGb665/tf-idf-search
[INFO] tweaked toml for git repo https://github.com/VinayGb665/tf-idf-search written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VinayGb665/tf-idf-search on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VinayGb665/tf-idf-search 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] [stderr]   Downloaded chunked_transfer v1.4.1
[INFO] [stderr]   Downloaded tiny_http v0.12.0
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 699b9d72f2202ea5dea3c9ee6249ea4fd0bd922ca7160bc703aa49c3e23f0a67
[INFO] running `Command { std: "docker" "start" "-a" "699b9d72f2202ea5dea3c9ee6249ea4fd0bd922ca7160bc703aa49c3e23f0a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "699b9d72f2202ea5dea3c9ee6249ea4fd0bd922ca7160bc703aa49c3e23f0a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699b9d72f2202ea5dea3c9ee6249ea4fd0bd922ca7160bc703aa49c3e23f0a67", kill_on_drop: false }`
[INFO] [stdout] 699b9d72f2202ea5dea3c9ee6249ea4fd0bd922ca7160bc703aa49c3e23f0a67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c77121683b9a06724e3f79bb3b4251864d649b9a247574a5df1e5229cfbcf98
[INFO] running `Command { std: "docker" "start" "-a" "5c77121683b9a06724e3f79bb3b4251864d649b9a247574a5df1e5229cfbcf98", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking tfidf-search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `xml::writer::events`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use xml::writer::events;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Algorithm` and `Stemmer`
[INFO] [stdout]  --> src/lexer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_stemmers::{Algorithm, Stemmer};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn read_xml_and_parse(file_path: &str) -> Result<(String), Error> {
[INFO] [stdout]    |                                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 - fn read_xml_and_parse(file_path: &str) -> Result<(String), Error> {
[INFO] [stdout] 22 + fn read_xml_and_parse(file_path: &str) -> Result<String , Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     if (parsed_content.is_err()) {
[INFO] [stdout]    |        ^                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -     if (parsed_content.is_err()) {
[INFO] [stdout] 41 +     if parsed_content.is_err()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |         if (dirEntry.is_dir()) {
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -         if (dirEntry.is_dir()) {
[INFO] [stdout] 73 +         if dirEntry.is_dir()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 if (args.len() <= 2) {
[INFO] [stdout]     |                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 215 -                 if (args.len() <= 2) {
[INFO] [stdout] 215 +                 if args.len() <= 2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `xml::writer::events`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use xml::writer::events;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Algorithm` and `Stemmer`
[INFO] [stdout]  --> src/lexer.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_stemmers::{Algorithm, Stemmer};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn read_xml_and_parse(file_path: &str) -> Result<(String), Error> {
[INFO] [stdout]    |                                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 - fn read_xml_and_parse(file_path: &str) -> Result<(String), Error> {
[INFO] [stdout] 22 + fn read_xml_and_parse(file_path: &str) -> Result<String , Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     if (parsed_content.is_err()) {
[INFO] [stdout]    |        ^                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -     if (parsed_content.is_err()) {
[INFO] [stdout] 41 +     if parsed_content.is_err()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |         if (dirEntry.is_dir()) {
[INFO] [stdout]    |            ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -         if (dirEntry.is_dir()) {
[INFO] [stdout] 73 +         if dirEntry.is_dir()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 if (args.len() <= 2) {
[INFO] [stdout]     |                    ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 215 -                 if (args.len() <= 2) {
[INFO] [stdout] 215 +                 if args.len() <= 2  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/server.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let request = match server.recv() {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut entry = frequencyMap.entry(token).or_insert(0 as usize);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]    --> src/main.rs:197:15
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn load_index(force: bool) -> io::Result<HashMap<String, HashMap<String, usize>>> {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut args = env::args().collect::<Vec<String>>();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index_file`
[INFO] [stdout]    --> src/main.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let index_file = "index.json";
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frequencyMap` should have a snake case name
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut frequencyMap: HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `frequency_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `masterFrequencyMap` should have a snake case name
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut masterFrequencyMap = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `master_frequency_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dirEntry` should have a snake case name
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let dirEntry = entry.unwrap_or_else(|e| {
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `dir_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frequencyMap` should have a snake case name
[INFO] [stdout]   --> src/main.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let frequencyMap = match dirEntry.to_str() {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `frequency_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&std::string::String` instead of dereferencing the inner type
[INFO] [stdout]    --> src/main.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |         result.insert(f.deref().deref().clone(), score.clone());
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&&std::string::String` instead of dereferencing the inner type
[INFO] [stdout]    --> src/main.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 |         result.insert(f.deref().deref().clone(), score.clone());
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 router(request, index);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 let _ = router(request, index);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/server.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let request = match server.recv() {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut entry = frequencyMap.entry(token).or_insert(0 as usize);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]    --> src/main.rs:197:15
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn load_index(force: bool) -> io::Result<HashMap<String, HashMap<String, usize>>> {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut args = env::args().collect::<Vec<String>>();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index_file`
[INFO] [stdout]    --> src/main.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let index_file = "index.json";
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frequencyMap` should have a snake case name
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut frequencyMap: HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `frequency_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `masterFrequencyMap` should have a snake case name
[INFO] [stdout]   --> src/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut masterFrequencyMap = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `master_frequency_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dirEntry` should have a snake case name
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let dirEntry = entry.unwrap_or_else(|e| {
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `dir_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frequencyMap` should have a snake case name
[INFO] [stdout]   --> src/main.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let frequencyMap = match dirEntry.to_str() {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `frequency_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&std::string::String` instead of dereferencing the inner type
[INFO] [stdout]    --> src/main.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |         result.insert(f.deref().deref().clone(), score.clone());
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&&std::string::String` instead of dereferencing the inner type
[INFO] [stdout]    --> src/main.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 |         result.insert(f.deref().deref().clone(), score.clone());
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 router(request, index);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 let _ = router(request, index);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "5c77121683b9a06724e3f79bb3b4251864d649b9a247574a5df1e5229cfbcf98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c77121683b9a06724e3f79bb3b4251864d649b9a247574a5df1e5229cfbcf98", kill_on_drop: false }`
[INFO] [stdout] 5c77121683b9a06724e3f79bb3b4251864d649b9a247574a5df1e5229cfbcf98
