[INFO] updating cached repository coder543/xray
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coder543/xray
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coder543/xray" "work/ex/clippy-test-run/sources/stable/gh/coder543/xray"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/coder543/xray'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coder543/xray" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/coder543/xray"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/coder543/xray'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 84ac8600b1ee62ad08692d8a4c6135196eeb2b9b
[INFO] sha for GitHub repo coder543/xray: 84ac8600b1ee62ad08692d8a4c6135196eeb2b9b
[INFO] validating manifest of coder543/xray on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coder543/xray on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coder543/xray
[INFO] finished frobbing coder543/xray
[INFO] frobbed toml for coder543/xray written to work/ex/clippy-test-run/sources/stable/gh/coder543/xray/Cargo.toml
[INFO] started frobbing coder543/xray
[INFO] finished frobbing coder543/xray
[INFO] frobbed toml for coder543/xray written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/coder543/xray/Cargo.toml
[INFO] crate coder543/xray has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting coder543/xray against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/coder543/xray:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 61f43ecc0886447754501cd92173f0c16d2f70163556bd9ba5ab337408028302
[INFO] running `"docker" "start" "-a" "61f43ecc0886447754501cd92173f0c16d2f70163556bd9ba5ab337408028302"`
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking brotli-decompressor v1.2.0
[INFO] [stderr]     Checking whatlang v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking brotli v1.1.2
[INFO] [stderr]     Checking rayon-hash v0.2.0
[INFO] [stderr]     Checking xray v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/commoncrawl.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/commoncrawl.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/commoncrawl.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/commoncrawl.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]    --> src/commoncrawl.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/helpers.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         if total < 0.000001 {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider: `0.000_001`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/storage/index_storage.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         return Ok(word_sets);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(word_sets)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/storage/mod.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |                         map
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/storage/mod.rs:178:35
[INFO] [stderr]     |
[INFO] [stderr] 178 |                           let map = match store.get_subset_of_words(chunk[0], chunk.len()) {
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 179 | |                             Ok(map) => map,
[INFO] [stderr] 180 | |                             Err(err) => {
[INFO] [stderr] 181 | |                                 panic!("store: {}, err: {:?}", store.file_path.display(), err);
[INFO] [stderr] 182 | |                             }
[INFO] [stderr] 183 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/helpers.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         if total < 0.000001 {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider: `0.000_001`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/storage/index_storage.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |         return Ok(word_sets);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(word_sets)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/storage/mod.rs:184:25
[INFO] [stderr]     |
[INFO] [stderr] 184 |                         map
[INFO] [stderr]     |                         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/storage/mod.rs:178:35
[INFO] [stderr]     |
[INFO] [stderr] 178 |                           let map = match store.get_subset_of_words(chunk[0], chunk.len()) {
[INFO] [stderr]     |  ___________________________________^
[INFO] [stderr] 179 | |                             Ok(map) => map,
[INFO] [stderr] 180 | |                             Err(err) => {
[INFO] [stderr] 181 | |                                 panic!("store: {}, err: {:?}", store.file_path.display(), err);
[INFO] [stderr] 182 | |                             }
[INFO] [stderr] 183 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/helpers.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/helpers.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]  --> src/helpers.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[allow(unused)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::useless_attribute)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/helpers.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn is_canonical(x: &char) -> bool {
[INFO] [stderr]    |                        ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]  --> src/helpers.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[allow(unused)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::useless_attribute)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/helpers.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn is_canonical(x: &char) -> bool {
[INFO] [stderr]    |                        ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/storage/url_storage.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let jump_stride = file.read_u32::<LittleEndian>()? as u64;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(file.read_u32::<LittleEndian>()?)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/storage/url_storage.rs:49:23
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let url_len = reader.read_u16::<LittleEndian>()? as i64;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(reader.read_u16::<LittleEndian>()?)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/storage/url_storage.rs:64:23
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let len = reader.read_u16::<LittleEndian>()? as i64;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(reader.read_u16::<LittleEndian>()?)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/storage/url_storage.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 |                   .expect(&format!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 134 | |                     "Could not open or create URL storage file {}",
[INFO] [stderr] 135 | |                     url_idx_store_path,
[INFO] [stderr] 136 | |                 )),
[INFO] [stderr]     | |__________________^ help: try this: `unwrap_or_else(|_| panic!("Could not open or create URL storage file {}", url_idx_store_path))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/storage/url_storage.rs:170:38
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn build_url_jump_table(sorted_urls: &Vec<(&u64, &String)>) -> Vec<u64> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&u64, &String)]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `jump_idx` is used as a loop counter. Consider using `for (jump_idx, item) in sorted_urls.enumerate()` or similar iterators
[INFO] [stderr]    --> src/storage/url_storage.rs:175:22
[INFO] [stderr]     |
[INFO] [stderr] 175 |     for &(_, url) in sorted_urls {
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/url_storage.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     url_idx_store.write(url_store_loc.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/url_storage.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         url_store.write(url)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/storage/index_storage.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     let _ = word_sets.push((word, set));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/storage/index_storage.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     let _ = word_sets.push((word, set));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/storage/index_storage.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |             word_num += self.jump_stride as u64;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.jump_stride)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/storage/index_storage.rs:185:25
[INFO] [stderr]     |
[INFO] [stderr] 185 |                         let _ = word_sets.push((word, set));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/storage/index_storage.rs:227:18
[INFO] [stderr]     |
[INFO] [stderr] 227 |                   .expect(&format!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 228 | |                     "Could not open or create URL storage file {}",
[INFO] [stderr] 229 | |                     indexed_idx_store_path,
[INFO] [stderr] 230 | |                 )),
[INFO] [stderr]     | |__________________^ help: try this: `unwrap_or_else(|_| panic!("Could not open or create URL storage file {}", indexed_idx_store_path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/storage/url_storage.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let jump_stride = file.read_u32::<LittleEndian>()? as u64;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(file.read_u32::<LittleEndian>()?)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/storage/index_storage.rs:291:21
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     &store.jump_table[0].0 < x &&
[INFO] [stderr]     |                     ----------------------^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: use the left value directly: `store.jump_table[0].0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/storage/index_storage.rs:292:25
[INFO] [stderr]     |
[INFO] [stderr] 292 |                         &store.jump_table[store.jump_table.len() - 1].0 > x
[INFO] [stderr]     |                         -----------------------------------------------^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: use the left value directly: `store.jump_table[store.jump_table.len() - 1].0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/storage/index_storage.rs:309:43
[INFO] [stderr]     |
[INFO] [stderr] 309 | fn build_indexed_jump_table(sorted_words: &Vec<(String, Vec<u64>)>) -> Vec<(String, u64)> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, Vec<u64>)]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `jump_idx` is used as a loop counter. Consider using `for (jump_idx, item) in sorted_words.enumerate()` or similar iterators
[INFO] [stderr]    --> src/storage/index_storage.rs:318:33
[INFO] [stderr]     |
[INFO] [stderr] 318 |     for &(ref word, ref ids) in sorted_words {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/storage/url_storage.rs:49:23
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let url_len = reader.read_u16::<LittleEndian>()? as i64;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(reader.read_u16::<LittleEndian>()?)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:343:5
[INFO] [stderr]     |
[INFO] [stderr] 343 |     indexed_idx_store.write(tag.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/storage/url_storage.rs:64:23
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let len = reader.read_u16::<LittleEndian>()? as i64;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(reader.read_u16::<LittleEndian>()?)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:352:5
[INFO] [stderr]     |
[INFO] [stderr] 352 |     indexed_idx_store.write(indexed_store_loc.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 |         indexed_store.write(word)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:405:9
[INFO] [stderr]     |
[INFO] [stderr] 405 |         indexed_store.write(word)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/storage/url_storage.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 |                   .expect(&format!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 134 | |                     "Could not open or create URL storage file {}",
[INFO] [stderr] 135 | |                     url_idx_store_path,
[INFO] [stderr] 136 | |                 )),
[INFO] [stderr]     | |__________________^ help: try this: `unwrap_or_else(|_| panic!("Could not open or create URL storage file {}", url_idx_store_path))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/storage/url_storage.rs:170:38
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn build_url_jump_table(sorted_urls: &Vec<(&u64, &String)>) -> Vec<u64> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(&u64, &String)]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `jump_idx` is used as a loop counter. Consider using `for (jump_idx, item) in sorted_urls.enumerate()` or similar iterators
[INFO] [stderr]    --> src/storage/url_storage.rs:175:22
[INFO] [stderr]     |
[INFO] [stderr] 175 |     for &(_, url) in sorted_urls {
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/url_storage.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     url_idx_store.write(url_store_loc.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/url_storage.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         url_store.write(url)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/storage/mod.rs:206:29
[INFO] [stderr]     |
[INFO] [stderr] 206 |                             Err(_) => panic!("invalid word!"),
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/storage/index_storage.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                     let _ = word_sets.push((word, set));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/storage/index_storage.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     let _ = word_sets.push((word, set));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/storage/index_storage.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |             word_num += self.jump_stride as u64;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.jump_stride)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/storage/index_storage.rs:185:25
[INFO] [stderr]     |
[INFO] [stderr] 185 |                         let _ = word_sets.push((word, set));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/storage/index_storage.rs:227:18
[INFO] [stderr]     |
[INFO] [stderr] 227 |                   .expect(&format!(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 228 | |                     "Could not open or create URL storage file {}",
[INFO] [stderr] 229 | |                     indexed_idx_store_path,
[INFO] [stderr] 230 | |                 )),
[INFO] [stderr]     | |__________________^ help: try this: `unwrap_or_else(|_| panic!("Could not open or create URL storage file {}", indexed_idx_store_path))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/storage/index_storage.rs:291:21
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     &store.jump_table[0].0 < x &&
[INFO] [stderr]     |                     ----------------------^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: use the left value directly: `store.jump_table[0].0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/storage/index_storage.rs:292:25
[INFO] [stderr]     |
[INFO] [stderr] 292 |                         &store.jump_table[store.jump_table.len() - 1].0 > x
[INFO] [stderr]     |                         -----------------------------------------------^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: use the left value directly: `store.jump_table[store.jump_table.len() - 1].0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/import.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |               if let Err(_) = MultiGzDecoder::new(BufReader::new(file)).read_to_end(content) {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 31 | |                 return Err(format!(
[INFO] [stderr] 32 | |                     "decoding gzip stream failed for {}",
[INFO] [stderr] 33 | |                     source.display()
[INFO] [stderr] 34 | |                 ))?;
[INFO] [stderr] 35 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if MultiGzDecoder::new(BufReader::new(file)).read_to_end(content).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/storage/index_storage.rs:309:43
[INFO] [stderr]     |
[INFO] [stderr] 309 | fn build_indexed_jump_table(sorted_words: &Vec<(String, Vec<u64>)>) -> Vec<(String, u64)> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, Vec<u64>)]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `jump_idx` is used as a loop counter. Consider using `for (jump_idx, item) in sorted_words.enumerate()` or similar iterators
[INFO] [stderr]    --> src/storage/index_storage.rs:318:33
[INFO] [stderr]     |
[INFO] [stderr] 318 |     for &(ref word, ref ids) in sorted_words {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:343:5
[INFO] [stderr]     |
[INFO] [stderr] 343 |     indexed_idx_store.write(tag.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:352:5
[INFO] [stderr]     |
[INFO] [stderr] 352 |     indexed_idx_store.write(indexed_store_loc.as_bytes())?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 |         indexed_store.write(word)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/storage/index_storage.rs:405:9
[INFO] [stderr]     |
[INFO] [stderr] 405 |         indexed_store.write(word)?;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/storage/mod.rs:206:29
[INFO] [stderr]     |
[INFO] [stderr] 206 |                             Err(_) => panic!("invalid word!"),
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `xray`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/import.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |               if let Err(_) = MultiGzDecoder::new(BufReader::new(file)).read_to_end(content) {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 31 | |                 return Err(format!(
[INFO] [stderr] 32 | |                     "decoding gzip stream failed for {}",
[INFO] [stderr] 33 | |                     source.display()
[INFO] [stderr] 34 | |                 ))?;
[INFO] [stderr] 35 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if MultiGzDecoder::new(BufReader::new(file)).read_to_end(content).is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `xray`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "61f43ecc0886447754501cd92173f0c16d2f70163556bd9ba5ab337408028302"`
[INFO] running `"docker" "rm" "-f" "61f43ecc0886447754501cd92173f0c16d2f70163556bd9ba5ab337408028302"`
[INFO] [stdout] 61f43ecc0886447754501cd92173f0c16d2f70163556bd9ba5ab337408028302