[INFO] crate abra 0.0.1 is already in cache
[INFO] checking abra-0.0.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate abra 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate abra 0.0.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate abra 0.0.1
[INFO] finished tweaking crates.io crate abra 0.0.1
[INFO] tweaked toml for crates.io crate abra 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a05a9aeb9cc30a25f9bbffeedd14042e8d26c7e2aa4bf9380be343635660cf0
[INFO] running `"docker" "start" "-a" "6a05a9aeb9cc30a25f9bbffeedd14042e8d26c7e2aa4bf9380be343635660cf0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking roaring v0.4.2
[INFO] [stderr]     Checking abra v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `term::Term`
[INFO] [stderr]    --> src/analysis/ngram_generator.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     use term::Term;
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `token::Token`
[INFO] [stderr]    --> src/analysis/ngram_generator.rs:121:9
[INFO] [stderr]     |
[INFO] [stderr] 121 |     use token::Token;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/tokenizers/mod.rs:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn initialise<'a>(&self, input: &'a str) -> Box<Iterator<Item=Token> + 'a> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/analysis/filters/lowercase.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     tokens: Box<Iterator<Item=Token> + 'a>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/lowercase.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(tokens: Box<Iterator<Item=Token> +'a>) -> LowercaseFilter<'a> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> +'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/analysis/filters/lowercase.rs:56:71
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let token_filter = LowercaseFilter::new(Box::new(tokens.drain((..))));
[INFO] [stderr]    |                                                                       ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/analysis/filters/lowercase.rs:73:71
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let token_filter = LowercaseFilter::new(Box::new(tokens.drain((..))));
[INFO] [stderr]    |                                                                       ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/analysis/filters/ngram.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     tokens: Box<Iterator<Item=Token> + 'a>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/ngram.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(tokens: Box<Iterator<Item=Token> +'a >, min_size: usize, max_size: usize, edge: Edge) -> NGramFilter<'a> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> +'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/analysis/filters/ngram.rs:74:67
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let token_filter = NGramFilter::new(Box::new(tokens.drain((..))), 2, 3, Edge::Neither);
[INFO] [stderr]    |                                                                   ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/analysis/filters/ngram.rs:95:67
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let token_filter = NGramFilter::new(Box::new(tokens.drain((..))), 2, 3, Edge::Left);
[INFO] [stderr]    |                                                                   ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/analysis/filters/ngram.rs:112:67
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let token_filter = NGramFilter::new(Box::new(tokens.drain((..))), 2, 1000, Edge::Left);
[INFO] [stderr]     |                                                                   ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/analysis/filters/ngram.rs:130:67
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let token_filter = NGramFilter::new(Box::new(tokens.drain((..))), 2, 3, Edge::Right);
[INFO] [stderr]     |                                                                   ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/analysis/filters/asciifolding.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     tokens: Box<Iterator<Item=Token> + 'a>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/asciifolding.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(tokens: Box<Iterator<Item=Token> +'a >) -> ASCIIFoldingFilter<'a> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> +'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/analysis/filters/asciifolding.rs:55:74
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let token_filter = ASCIIFoldingFilter::new(Box::new(tokens.drain((..))));
[INFO] [stderr]    |                                                                          ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/analysis/filters/asciifolding.rs:70:74
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let token_filter = ASCIIFoldingFilter::new(Box::new(tokens.drain((..))));
[INFO] [stderr]    |                                                                          ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/mod.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn initialise<'a>(&self, input: Box<Iterator<Item=Token> + 'a>) -> Box<Iterator<Item=Token> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/mod.rs:25:80
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn initialise<'a>(&self, input: Box<Iterator<Item=Token> + 'a>) -> Box<Iterator<Item=Token> + 'a> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/store/memory.rs:167:61
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn iter_terms(&'a self, field_name: &str) -> Option<Box<Iterator<Item=&'a [u8]> + 'a>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a [u8]> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MemoryIndexStoreReader`
[INFO] [stderr]    --> src/store/memory.rs:237:35
[INFO] [stderr]     |
[INFO] [stderr] 237 |     use super::{MemoryIndexStore, MemoryIndexStoreReader};
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/store/mod.rs:16:61
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn iter_terms(&'a self, field_name: &str) -> Option<Box<Iterator<Item=&'a [u8]> + 'a>>;
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a [u8]> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `TF_IDF` should have an upper camel case name
[INFO] [stderr]  --> src/similarity.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     TF_IDF,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to upper camel case: `TfIdf`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/tokenizers/mod.rs:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn initialise<'a>(&self, input: &'a str) -> Box<Iterator<Item=Token> + 'a> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/analysis/filters/lowercase.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     tokens: Box<Iterator<Item=Token> + 'a>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/lowercase.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(tokens: Box<Iterator<Item=Token> +'a>) -> LowercaseFilter<'a> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> +'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/analysis/filters/ngram.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     tokens: Box<Iterator<Item=Token> + 'a>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/ngram.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(tokens: Box<Iterator<Item=Token> +'a >, min_size: usize, max_size: usize, edge: Edge) -> NGramFilter<'a> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> +'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/analysis/filters/asciifolding.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     tokens: Box<Iterator<Item=Token> + 'a>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/asciifolding.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(tokens: Box<Iterator<Item=Token> +'a >) -> ASCIIFoldingFilter<'a> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> +'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/mod.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn initialise<'a>(&self, input: Box<Iterator<Item=Token> + 'a>) -> Box<Iterator<Item=Token> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/analysis/filters/mod.rs:25:80
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn initialise<'a>(&self, input: Box<Iterator<Item=Token> + 'a>) -> Box<Iterator<Item=Token> + 'a> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/store/memory.rs:167:61
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn iter_terms(&'a self, field_name: &str) -> Option<Box<Iterator<Item=&'a [u8]> + 'a>> {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a [u8]> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/store/mod.rs:16:61
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn iter_terms(&'a self, field_name: &str) -> Option<Box<Iterator<Item=&'a [u8]> + 'a>>;
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&'a [u8]> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `TF_IDF` should have an upper camel case name
[INFO] [stderr]  --> src/similarity.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     TF_IDF,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to upper camel case: `TfIdf`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scorer`
[INFO] [stderr]    --> src/query/mod.rs:123:68
[INFO] [stderr]     |
[INFO] [stderr] 123 |             Query::MatchTerm{ref field, ref term, ref matcher, ref scorer} => {
[INFO] [stderr]     |                                                                ----^^^^^^
[INFO] [stderr]     |                                                                |
[INFO] [stderr]     |                                                                help: try ignoring the field: `scorer: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `boost`
[INFO] [stderr]    --> src/query/mod.rs:182:37
[INFO] [stderr]     |
[INFO] [stderr] 182 |             Query::Boost{ref query, boost} => {
[INFO] [stderr]     |                                     ^^^^^ help: try ignoring the field: `boost: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scorer`
[INFO] [stderr]    --> src/query_set.rs:227:64
[INFO] [stderr]     |
[INFO] [stderr] 227 |         Query::MatchTerm{ref field, ref term, ref matcher, ref scorer} => {
[INFO] [stderr]     |                                                            ----^^^^^^
[INFO] [stderr]     |                                                            |
[INFO] [stderr]     |                                                            help: try ignoring the field: `scorer: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `queries`
[INFO] [stderr]    --> src/query_set.rs:320:33
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Query::NDisjunction{ref queries, minimum_should_match} => {
[INFO] [stderr]     |                             ----^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: try ignoring the field: `queries: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `minimum_should_match`
[INFO] [stderr]    --> src/query_set.rs:320:42
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Query::NDisjunction{ref queries, minimum_should_match} => {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `minimum_should_match: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `boost`
[INFO] [stderr]    --> src/query_set.rs:351:33
[INFO] [stderr]     |
[INFO] [stderr] 351 |         Query::Boost{ref query, boost} => {
[INFO] [stderr]     |                                 ^^^^^ help: try ignoring the field: `boost: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scorer`
[INFO] [stderr]    --> src/query/mod.rs:123:68
[INFO] [stderr]     |
[INFO] [stderr] 123 |             Query::MatchTerm{ref field, ref term, ref matcher, ref scorer} => {
[INFO] [stderr]     |                                                                ----^^^^^^
[INFO] [stderr]     |                                                                |
[INFO] [stderr]     |                                                                help: try ignoring the field: `scorer: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `boost`
[INFO] [stderr]    --> src/query/mod.rs:182:37
[INFO] [stderr]     |
[INFO] [stderr] 182 |             Query::Boost{ref query, boost} => {
[INFO] [stderr]     |                                     ^^^^^ help: try ignoring the field: `boost: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scorer`
[INFO] [stderr]    --> src/query_set.rs:227:64
[INFO] [stderr]     |
[INFO] [stderr] 227 |         Query::MatchTerm{ref field, ref term, ref matcher, ref scorer} => {
[INFO] [stderr]     |                                                            ----^^^^^^
[INFO] [stderr]     |                                                            |
[INFO] [stderr]     |                                                            help: try ignoring the field: `scorer: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `queries`
[INFO] [stderr]    --> src/query_set.rs:320:33
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Query::NDisjunction{ref queries, minimum_should_match} => {
[INFO] [stderr]     |                             ----^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: try ignoring the field: `queries: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `minimum_should_match`
[INFO] [stderr]    --> src/query_set.rs:320:42
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Query::NDisjunction{ref queries, minimum_should_match} => {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `minimum_should_match: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `boost`
[INFO] [stderr]    --> src/query_set.rs:351:33
[INFO] [stderr]     |
[INFO] [stderr] 351 |         Query::Boost{ref query, boost} => {
[INFO] [stderr]     |                                 ^^^^^ help: try ignoring the field: `boost: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/tokenizers/standard.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Some(mut word) => {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/filters/ngram.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         let mut ngram_generator = NGramGenerator::new(&word, self.min_size, self.max_size, self.edge);
[INFO] [stderr]    |                             ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/store/memory.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let mut term = field.terms.get_mut(&term_bytes).unwrap();
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/request.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut iterator = build_iterator_from_query(index_reader, &self.query);
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/tokenizers/standard.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Some(mut word) => {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/filters/ngram.rs:41:29
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         let mut ngram_generator = NGramGenerator::new(&word, self.min_size, self.max_size, self.edge);
[INFO] [stderr]    |                             ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/store/memory.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let mut term = field.terms.get_mut(&term_bytes).unwrap();
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/request.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let mut iterator = build_iterator_from_query(index_reader, &self.query);
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc_id`
[INFO] [stderr]   --> benches/boolean_retrieval.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         for doc_id in iterator {}
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc_id`
[INFO] [stderr]   --> benches/boolean_retrieval.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for doc_id in iterator {}
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc_id`
[INFO] [stderr]   --> benches/boolean_retrieval.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         for doc_id in iterator {}
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc_id`
[INFO] [stderr]    --> benches/boolean_retrieval.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |         for doc_id in iterator {}
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc_id`
[INFO] [stderr]    --> benches/boolean_retrieval.rs:152:13
[INFO] [stderr]     |
[INFO] [stderr] 152 |         for doc_id in iterator {}
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `doc_id`
[INFO] [stderr]    --> benches/boolean_retrieval.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         for doc_id in iterator {}
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/boolean_retrieval.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let mut iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::All {
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/boolean_retrieval.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/boolean_retrieval.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut fizz_iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let mut buzz_iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let mut iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Conjunction {
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let mut fizz_iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let mut buzz_iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let mut iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Disjunction {
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut fizz_iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let mut buzz_iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Term {
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> benches/boolean_retrieval.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let mut iterator: QuerySetIterator<MemoryIndexStoreReader> = QuerySetIterator::Exclusion {
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `"docker" "inspect" "6a05a9aeb9cc30a25f9bbffeedd14042e8d26c7e2aa4bf9380be343635660cf0"`
[INFO] running `"docker" "rm" "-f" "6a05a9aeb9cc30a25f9bbffeedd14042e8d26c7e2aa4bf9380be343635660cf0"`
[INFO] [stdout] 6a05a9aeb9cc30a25f9bbffeedd14042e8d26c7e2aa4bf9380be343635660cf0
