[INFO] cloning repository https://github.com/aashan10/fts [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aashan10/fts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faashan10%2Ffts", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faashan10%2Ffts'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a87894897b1ed7ac386a4b8b141b04d3c9e7f73f [INFO] checking aashan10/fts against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faashan10%2Ffts" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/aashan10/fts [INFO] finished tweaking git repo https://github.com/aashan10/fts [INFO] tweaked toml for git repo https://github.com/aashan10/fts written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/aashan10/fts on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/aashan10/fts 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unidecode v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a877cd04bc4cee0e0d22dd2795412c613917965c8b07607f7329ce38e90a8d57 [INFO] running `Command { std: "docker" "start" "-a" "a877cd04bc4cee0e0d22dd2795412c613917965c8b07607f7329ce38e90a8d57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a877cd04bc4cee0e0d22dd2795412c613917965c8b07607f7329ce38e90a8d57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a877cd04bc4cee0e0d22dd2795412c613917965c8b07607f7329ce38e90a8d57", kill_on_drop: false }` [INFO] [stdout] a877cd04bc4cee0e0d22dd2795412c613917965c8b07607f7329ce38e90a8d57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5883584e0eb202ff1b4271014a4d55dfdb8512b009a346a4d2bcc1a98a1e2444 [INFO] running `Command { std: "docker" "start" "-a" "5883584e0eb202ff1b4271014a4d55dfdb8512b009a346a4d2bcc1a98a1e2444", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking unidecode v0.3.0 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking itertools v0.12.0 [INFO] [stderr] Checking uuid v1.6.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking rust-stemmers v1.2.0 [INFO] [stderr] Checking fts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [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: `std::collections::HashMap` [INFO] [stdout] --> src/movies.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/movies.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [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: `std::collections::HashMap` [INFO] [stdout] --> src/movies.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/movies.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/semantic_analysis/n_grams/mod.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn apply(n: usize, input: &String) -> Vec [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/semantic_analysis/n_grams/mod.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn apply(n: usize, input: &String) -> Vec [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing/manager.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | let mut json = serde_json::to_string(&self.metadata).unwrap(); [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: `n` [INFO] [stdout] --> src/semantic_analysis/n_grams/mod.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn apply(n: usize, input: &String) -> Vec [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/semantic_analysis/n_grams/mod.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn apply(n: usize, input: &String) -> Vec [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing/manager.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | let mut json = serde_json::to_string(&self.metadata).unwrap(); [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: `id` [INFO] [stdout] --> src/data_structures/mod.rs:14:46 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) fn delete_document(&mut self, id: String) -> &InvertedIndex [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/data_structures/mod.rs:14:46 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) fn delete_document(&mut self, id: String) -> &InvertedIndex [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut start_time = Instant::now(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut movies_index = index_manager.create_index("movies".to_string(), movies_mapping).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut start_time = Instant::now(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `apply` is never used [INFO] [stdout] --> src/semantic_analysis/n_grams/mod.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn apply(n: usize, input: &String) -> Vec [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `index`, `delete`, and `save` are never used [INFO] [stdout] --> src/indexing/mod.rs:69:19 [INFO] [stdout] | [INFO] [stdout] 37 | impl Index { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 69 | pub(crate) fn index(&mut self, document: HashMap) -> Result<&Index, String> [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub(crate) fn delete(&mut self, id: String) -> &Index [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub(crate) fn save(&self) -> &Index [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_alias`, and `remove_alias` are never used [INFO] [stdout] --> src/indexing/manager.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl IndexMetaData { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 15 | pub fn new(name: String) -> IndexMetaData [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn set_alias(&mut self, alias: String) -> &IndexMetaData { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn remove_alias(&mut self, alias: String) -> &IndexMetaData [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `indices` is never read [INFO] [stdout] --> src/indexing/manager.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct IndexManager { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 43 | pub metadata: BTreeMap, [INFO] [stdout] 44 | indices: BTreeMap [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_index` and `save_index` are never used [INFO] [stdout] --> src/indexing/manager.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl IndexManager { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn get_index(&self, name: String) -> Option<&Index> [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn save_index(&mut self, index: Index) -> Option [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `delete_document`, `index`, and `add_token` are never used [INFO] [stdout] --> src/data_structures/mod.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 13 | impl InvertedIndex { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 14 | pub(crate) fn delete_document(&mut self, id: String) -> &InvertedIndex [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub(crate) fn index(&mut self, record: &HashMap) -> &InvertedIndex [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn add_token(&mut self, token: &String, document_id: &String) -> &InvertedIndex [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/indexing/manager.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | &index.save(); [INFO] [stdout] | ^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [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] 134 | let _ = &index.save(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut start_time = Instant::now(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut movies_index = index_manager.create_index("movies".to_string(), movies_mapping).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut start_time = Instant::now(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `apply` is never used [INFO] [stdout] --> src/semantic_analysis/n_grams/mod.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn apply(n: usize, input: &String) -> Vec [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `index`, `delete`, and `save` are never used [INFO] [stdout] --> src/indexing/mod.rs:69:19 [INFO] [stdout] | [INFO] [stdout] 37 | impl Index { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 69 | pub(crate) fn index(&mut self, document: HashMap) -> Result<&Index, String> [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub(crate) fn delete(&mut self, id: String) -> &Index [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub(crate) fn save(&self) -> &Index [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `set_alias`, and `remove_alias` are never used [INFO] [stdout] --> src/indexing/manager.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl IndexMetaData { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 15 | pub fn new(name: String) -> IndexMetaData [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn set_alias(&mut self, alias: String) -> &IndexMetaData { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn remove_alias(&mut self, alias: String) -> &IndexMetaData [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `indices` is never read [INFO] [stdout] --> src/indexing/manager.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct IndexManager { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 43 | pub metadata: BTreeMap, [INFO] [stdout] 44 | indices: BTreeMap [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_index` and `save_index` are never used [INFO] [stdout] --> src/indexing/manager.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl IndexManager { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn get_index(&self, name: String) -> Option<&Index> [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn save_index(&mut self, index: Index) -> Option [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `delete_document`, `index`, and `add_token` are never used [INFO] [stdout] --> src/data_structures/mod.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 13 | impl InvertedIndex { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 14 | pub(crate) fn delete_document(&mut self, id: String) -> &InvertedIndex [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub(crate) fn index(&mut self, record: &HashMap) -> &InvertedIndex [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn add_token(&mut self, token: &String, document_id: &String) -> &InvertedIndex [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/indexing/manager.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 134 | &index.save(); [INFO] [stdout] | ^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [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] 134 | let _ = &index.save(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.21s [INFO] running `Command { std: "docker" "inspect" "5883584e0eb202ff1b4271014a4d55dfdb8512b009a346a4d2bcc1a98a1e2444", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5883584e0eb202ff1b4271014a4d55dfdb8512b009a346a4d2bcc1a98a1e2444", kill_on_drop: false }` [INFO] [stdout] 5883584e0eb202ff1b4271014a4d55dfdb8512b009a346a4d2bcc1a98a1e2444