[INFO] cloning repository https://github.com/DevprojectEkla/back_end_indexer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevprojectEkla/back_end_indexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevprojectEkla%2Fback_end_indexer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevprojectEkla%2Fback_end_indexer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30a594623ea23b130931618fe45e41df95608cf5
[INFO] checking DevprojectEkla/back_end_indexer/30a594623ea23b130931618fe45e41df95608cf5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevprojectEkla%2Fback_end_indexer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DevprojectEkla/back_end_indexer on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DevprojectEkla/back_end_indexer
[INFO] finished tweaking git repo https://github.com/DevprojectEkla/back_end_indexer
[INFO] tweaked toml for git repo https://github.com/DevprojectEkla/back_end_indexer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DevprojectEkla/back_end_indexer 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]   Downloaded system-deps v6.1.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a033a6d5d8ebcc858cb4b5a2c7f5802b0ca6ed6d241499584cf9dba8084992
[INFO] running `Command { std: "docker" "start" "-a" "27a033a6d5d8ebcc858cb4b5a2c7f5802b0ca6ed6d241499584cf9dba8084992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a033a6d5d8ebcc858cb4b5a2c7f5802b0ca6ed6d241499584cf9dba8084992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a033a6d5d8ebcc858cb4b5a2c7f5802b0ca6ed6d241499584cf9dba8084992", kill_on_drop: false }`
[INFO] [stdout] 27a033a6d5d8ebcc858cb4b5a2c7f5802b0ca6ed6d241499584cf9dba8084992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 785a9283fd7b278f5d4be752d06a919cc25472ccaa3ea75387272568027e29f2
[INFO] running `Command { std: "docker" "start" "-a" "785a9283fd7b278f5d4be752d06a919cc25472ccaa3ea75387272568027e29f2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hashbrown v0.14.2
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[INFO] [stderr]    Compiling anyhow v1.0.75
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[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking getrandom v0.2.11
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[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling indexmap v2.0.2
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[INFO] [stderr]    Compiling serde_derive v1.0.190
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[INFO] [stderr]    Compiling glib-macros v0.15.13
[INFO] [stderr]    Compiling system-deps v6.1.2
[INFO] [stderr]    Compiling glib-sys v0.15.10
[INFO] [stderr]    Compiling gobject-sys v0.15.10
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]     Checking glib v0.15.12
[INFO] [stderr]     Checking cairo-rs v0.15.12
[INFO] [stderr]     Checking poppler v0.3.2
[INFO] [stderr]     Checking back_end_indexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `check_file_type`
[INFO] [stdout]  --> src/index.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parsers::{check_file_type, send_to_parser};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PseudoHash`
[INFO] [stdout]  --> src/index.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::{FromJson, IndexDoc, PseudoHash, SliceChars, SliceContent, TermFreq, TfIdF};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `fs::File`, `io::BufReader`, and `rc::Rc`
[INFO] [stdout]  --> src/index.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{cell::RefCell, collections::HashMap, fs::File, io::BufReader, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^                        ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWriter`
[INFO] [stdout]  --> src/parsers.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use xml::{EventReader, EventWriter};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceBytes`
[INFO] [stdout]  --> src/parsers.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{SliceBytes, SliceChars, SliceContent};
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `check_file_type`
[INFO] [stdout]  --> src/index.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parsers::{check_file_type, send_to_parser};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PseudoHash`
[INFO] [stdout]  --> src/index.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::{FromJson, IndexDoc, PseudoHash, SliceChars, SliceContent, TermFreq, TfIdF};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `fs::File`, `io::BufReader`, and `rc::Rc`
[INFO] [stdout]  --> src/index.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{cell::RefCell, collections::HashMap, fs::File, io::BufReader, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^                        ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWriter`
[INFO] [stdout]  --> src/parsers.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use xml::{EventReader, EventWriter};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceBytes`
[INFO] [stdout]  --> src/parsers.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{SliceBytes, SliceChars, SliceContent};
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sort_function`
[INFO] [stdout]   --> src/hashmaps.rs:43:69
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sort_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmaps.rs:43:65
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                 ----^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> src/index.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut n = 1;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sort_function`
[INFO] [stdout]   --> src/hashmaps.rs:43:69
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sort_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmaps.rs:43:65
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                 ----^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> src/index.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut n = 1;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/utils.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut i = 1;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]  --> src/hashmaps.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Index<K, V> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> src/hashmaps.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<K, V> Index<K, V> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 10 |     fn new(&mut self) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_json` is never used
[INFO] [stdout]   --> src/hashmaps.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn vec_to_json<K, V>(vec: Vec<(K, V)>) -> String
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_into_hashmap` is never used
[INFO] [stdout]   --> src/hashmaps.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn vec_into_hashmap<K: std::hash::Hash + std::cmp::Eq, V>(vec: Vec<(K, V)>) -> HashMap<K, V> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tf` and `idf` are never read
[INFO] [stdout]   --> src/index.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Index {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     tf: usize, // tf/idf is the tyical weight calculation for search_engine
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     idf: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Index` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/utils.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut i = 1;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]  --> src/hashmaps.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Index<K, V> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> src/hashmaps.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<K, V> Index<K, V> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 10 |     fn new(&mut self) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_json` is never used
[INFO] [stdout]   --> src/hashmaps.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn vec_to_json<K, V>(vec: Vec<(K, V)>) -> String
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_into_hashmap` is never used
[INFO] [stdout]   --> src/hashmaps.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn vec_into_hashmap<K: std::hash::Hash + std::cmp::Eq, V>(vec: Vec<(K, V)>) -> HashMap<K, V> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tf` and `idf` are never read
[INFO] [stdout]   --> src/index.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Index {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     tf: usize, // tf/idf is the tyical weight calculation for search_engine
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     idf: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Index` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `check_file_type`
[INFO] [stdout]  --> src/index.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parsers::{check_file_type, send_to_parser};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PseudoHash`
[INFO] [stdout]  --> src/index.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::{FromJson, IndexDoc, PseudoHash, SliceChars, SliceContent, TermFreq, TfIdF};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `fs::File`, `io::BufReader`, and `rc::Rc`
[INFO] [stdout]  --> src/index.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{cell::RefCell, collections::HashMap, fs::File, io::BufReader, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^                        ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWriter`
[INFO] [stdout]  --> src/parsers.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use xml::{EventReader, EventWriter};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceBytes`
[INFO] [stdout]  --> src/parsers.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{SliceBytes, SliceChars, SliceContent};
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `check_file_type`
[INFO] [stdout]  --> src/index.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parsers::{check_file_type, send_to_parser};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PseudoHash`
[INFO] [stdout]  --> src/index.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::{FromJson, IndexDoc, PseudoHash, SliceChars, SliceContent, TermFreq, TfIdF};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `fs::File`, `io::BufReader`, and `rc::Rc`
[INFO] [stdout]  --> src/index.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{cell::RefCell, collections::HashMap, fs::File, io::BufReader, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^                        ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWriter`
[INFO] [stdout]  --> src/parsers.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use xml::{EventReader, EventWriter};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceBytes`
[INFO] [stdout]  --> src/parsers.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{SliceBytes, SliceChars, SliceContent};
[INFO] [stdout]   |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sort_function`
[INFO] [stdout]   --> src/hashmaps.rs:43:69
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sort_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmaps.rs:43:65
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                 ----^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> src/index.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut n = 1;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sort_function`
[INFO] [stdout]   --> src/hashmaps.rs:43:69
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sort_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmaps.rs:43:65
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn hashmap_to_json<K, V, F>(hashmap: HashMap<K, V>, name: &str, mut sort_function: F)
[INFO] [stdout]    |                                                                 ----^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> src/index.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut n = 1;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/utils.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut i = 1;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]  --> src/hashmaps.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Index<K, V> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> src/hashmaps.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<K, V> Index<K, V> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 10 |     fn new(&mut self) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_json` is never used
[INFO] [stdout]   --> src/hashmaps.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn vec_to_json<K, V>(vec: Vec<(K, V)>) -> String
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_into_hashmap` is never used
[INFO] [stdout]   --> src/hashmaps.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn vec_into_hashmap<K: std::hash::Hash + std::cmp::Eq, V>(vec: Vec<(K, V)>) -> HashMap<K, V> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tf` and `idf` are never read
[INFO] [stdout]   --> src/index.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Index {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     tf: usize, // tf/idf is the tyical weight calculation for search_engine
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     idf: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Index` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IndexType` is never used
[INFO] [stdout]   --> src/types.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum IndexType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     VecStr(VecStr<'a>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VecRefStr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 |     VecStr(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_vec_of_tuples` is never used
[INFO] [stdout]   --> src/types.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub trait IsVecOfTuples<K, V, W, Z> {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 65 |     fn is_vec_of_tuples(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WrapInRcRefCell` is never used
[INFO] [stdout]   --> src/types.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait WrapInRcRefCell: Clone {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_in_rc_ref_cell` is never used
[INFO] [stdout]   --> src/utils.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn wrap_in_rc_ref_cell<T>(variable: T) -> Rc<RefCell<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_uid` is never used
[INFO] [stdout]   --> src/utils.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn generate_uid() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_quotes_from_path` is never used
[INFO] [stdout]   --> src/utils.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn trim_quotes_from_path(path: PathBuf) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]   --> src/utils.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut i = 1;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Index` is never constructed
[INFO] [stdout]  --> src/hashmaps.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Index<K, V> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> src/hashmaps.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<K, V> Index<K, V> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 10 |     fn new(&mut self) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_json` is never used
[INFO] [stdout]   --> src/hashmaps.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn vec_to_json<K, V>(vec: Vec<(K, V)>) -> String
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_into_hashmap` is never used
[INFO] [stdout]   --> src/hashmaps.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn vec_into_hashmap<K: std::hash::Hash + std::cmp::Eq, V>(vec: Vec<(K, V)>) -> HashMap<K, V> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tf` and `idf` are never read
[INFO] [stdout]   --> src/index.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Index {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     tf: usize, // tf/idf is the tyical weight calculation for search_engine
[INFO] [stdout]    |     ^^
[INFO] [stdout] 16 |     idf: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Index` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IndexType` is never used
[INFO] [stdout]   --> src/types.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum IndexType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/types.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     VecStr(VecStr<'a>),
[INFO] [stdout]    |     ------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VecRefStr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 |     VecStr(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_vec_of_tuples` is never used
[INFO] [stdout]   --> src/types.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub trait IsVecOfTuples<K, V, W, Z> {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 65 |     fn is_vec_of_tuples(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WrapInRcRefCell` is never used
[INFO] [stdout]   --> src/types.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub trait WrapInRcRefCell: Clone {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_in_rc_ref_cell` is never used
[INFO] [stdout]   --> src/utils.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn wrap_in_rc_ref_cell<T>(variable: T) -> Rc<RefCell<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_uid` is never used
[INFO] [stdout]   --> src/utils.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn generate_uid() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_quotes_from_path` is never used
[INFO] [stdout]   --> src/utils.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn trim_quotes_from_path(path: PathBuf) -> PathBuf {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.00s
[INFO] running `Command { std: "docker" "inspect" "785a9283fd7b278f5d4be752d06a919cc25472ccaa3ea75387272568027e29f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785a9283fd7b278f5d4be752d06a919cc25472ccaa3ea75387272568027e29f2", kill_on_drop: false }`
[INFO] [stdout] 785a9283fd7b278f5d4be752d06a919cc25472ccaa3ea75387272568027e29f2