[INFO] fetching crate awabi 0.3.3...
[INFO] linting awabi-0.3.3 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate awabi 0.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate awabi 0.3.3
[INFO] finished tweaking crates.io crate awabi 0.3.3
[INFO] tweaked toml for crates.io crate awabi 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate awabi 0.3.3 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate awabi 0.3.3 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.51
[INFO] [stderr]   Downloaded regex v1.10.5
[INFO] [stderr]   Downloaded clap_builder v4.5.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0500a9f6ce3810194ac1359f1041d56f152c1953363bf22f0b806abcc7a8fdc
[INFO] running `Command { std: "docker" "start" "-a" "b0500a9f6ce3810194ac1359f1041d56f152c1953363bf22f0b806abcc7a8fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0500a9f6ce3810194ac1359f1041d56f152c1953363bf22f0b806abcc7a8fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0500a9f6ce3810194ac1359f1041d56f152c1953363bf22f0b806abcc7a8fdc", kill_on_drop: false }`
[INFO] [stdout] b0500a9f6ce3810194ac1359f1041d56f152c1953363bf22f0b806abcc7a8fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 257ac170d659731533af2b924ca44991d3a38d5b936f53f7c11b8830ab3ff9aa
[INFO] running `Command { std: "docker" "start" "-a" "257ac170d659731533af2b924ca44991d3a38d5b936f53f7c11b8830ab3ff9aa", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking awabi v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             mmap: mmap,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `mmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |             category_names: category_names,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `category_names`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |             mmap: mmap,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `mmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:361:17
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 lc_attr: lc_attr,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `lc_attr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 rc_attr: rc_attr,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `rc_attr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 posid: posid,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: replace it with: `posid`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |                 wcost: wcost,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: replace it with: `wcost`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:367:17
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 skip: skip,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: replace it with: `skip`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:419:13
[INFO] [stdout]     |
[INFO] [stdout] 419 |             mmap: mmap,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `mmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             lsize: lsize,
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: replace it with: `lsize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lattice.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             pos: pos,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             mmap: mmap,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `mmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |             category_names: category_names,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `category_names`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |             mmap: mmap,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `mmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:361:17
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 lc_attr: lc_attr,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `lc_attr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 rc_attr: rc_attr,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `rc_attr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |                 posid: posid,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: replace it with: `posid`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |                 wcost: wcost,
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: replace it with: `wcost`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:367:17
[INFO] [stdout]     |
[INFO] [stdout] 367 |                 skip: skip,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: replace it with: `skip`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:419:13
[INFO] [stdout]     |
[INFO] [stdout] 419 |             mmap: mmap,
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace it with: `mmap`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/dic.rs:420:13
[INFO] [stdout]     |
[INFO] [stdout] 420 |             lsize: lsize,
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: replace it with: `lsize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/lattice.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             pos: pos,
[INFO] [stdout]    |             ^^^^^^^^ help: replace it with: `pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::i16;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `i16::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]    = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::i32;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::u16;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `u16::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::u32;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `u32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |         1 => ch32 = s[index + 0] as u32,
[INFO] [stdout]    |                       ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |             ch32 = ((s[index + 0] & 0x1F) as u32) << 6;
[INFO] [stdout]    |                        ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |             ch32 = ((s[index + 0] & 0x0F) as u32) << 12;
[INFO] [stdout]    |                        ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 |             ch32 = ((s[index + 0] & 0x07) as u32) << 18;
[INFO] [stdout]    |                        ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/dic.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |         if ln_vec.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `ln_vec.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/dic.rs:288:36
[INFO] [stdout]     |
[INFO] [stdout] 288 |         for (_i, &item) in s.iter().enumerate() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]     = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 288 -         for (_i, &item) in s.iter().enumerate() {
[INFO] [stdout] 288 +         for &item in s.iter() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/dic.rs:315:39
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 results.push((-n - 1, i as usize));
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: try: `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/dic.rs:329:35
[INFO] [stdout]     |
[INFO] [stdout] 329 |             results.push((-n - 1, s.len() as usize));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^ help: try: `s.len()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]    --> src/dic.rs:365:30
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 feature_ptr: (&self.mmap[start..]).as_ptr(),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self.mmap[start..]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/dic.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 |         unpack_i16(&self.mmap, ((id2 * self.lsize + id1) * 2 + 4) as usize) as i32
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(((id2 * self.lsize + id1) * 2 + 4))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/lattice.rs:217:15
[INFO] [stdout]     |
[INFO] [stdout] 217 |         while self.enodes[self.p as usize].len() == 0 {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.enodes[self.p as usize].is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:240:42
[INFO] [stdout]     |
[INFO] [stdout] 240 |             shortest_path.push(Rc::clone(&node));
[INFO] [stdout]     |                                          ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:254:45
[INFO] [stdout]     |
[INFO] [stdout] 254 |         pq.push(BackwardPath::new(Rc::clone(&node), None, matrix));
[INFO] [stdout]     |                                             ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/lattice.rs:256:15
[INFO] [stdout]     |
[INFO] [stdout] 256 |         while pq.len() > 0 && n > 0 {
[INFO] [stdout]     |               ^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!pq.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:267:57
[INFO] [stdout]     |
[INFO] [stdout] 267 |                     pq.push(BackwardPath::new(Rc::clone(&node), Some(&bp), matrix));
[INFO] [stdout]     |                                                         ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:296:42
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 back_path.push(Rc::clone(&node));
[INFO] [stdout]     |                                          ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/mecabrc.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     s.push_str("/");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `s.push('/')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]   --> src/tokenizer.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |           let user_dic: Option<dic::MeCabDic> = if let Some(userdic_path) = rc_map.get("userdic") {
[INFO] [stdout]    |  _______________________________________________^
[INFO] [stdout] 53 | |             Some(dic::MeCabDic::open(userdic_path).unwrap())
[INFO] [stdout] 54 | |         } else {
[INFO] [stdout] 55 | |             None
[INFO] [stdout] 56 | |         };
[INFO] [stdout]    | |_________^ help: try: `rc_map.get("userdic").map(|userdic_path| dic::MeCabDic::open(userdic_path).unwrap())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]    = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/tokenizer.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 if user_entries.len() > 0 {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!user_entries.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/tokenizer.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |             if sys_entries.len() > 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!sys_entries.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nodes`
[INFO] [stdout]    --> src/tokenizer.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |         for i in 1..nodes.len() - 1 {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 121 -         for i in 1..nodes.len() - 1 {
[INFO] [stdout] 121 +         for <item> in nodes.iter().take(nodes.len() - 1).skip(1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nodes`
[INFO] [stdout]    --> src/tokenizer.rs:134:22
[INFO] [stdout]     |
[INFO] [stdout] 134 |             for i in 1..nodes.len() - 1 {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 134 -             for i in 1..nodes.len() - 1 {
[INFO] [stdout] 134 +             for <item> in nodes.iter().take(nodes.len() - 1).skip(1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/mecabrc.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for path in vec!["/usr/local/etc/mecabrc", "/etc/mecabrc"] {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["/usr/local/etc/mecabrc", "/etc/mecabrc"]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use std::i16;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `i16::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]    = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::i32;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `i32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::u16;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `u16::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]   --> src/dic.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::u32;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: remove this import
[INFO] [stdout]    = note: then `u32::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |         1 => ch32 = s[index + 0] as u32,
[INFO] [stdout]    |                       ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |             ch32 = ((s[index + 0] & 0x1F) as u32) << 6;
[INFO] [stdout]    |                        ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |             ch32 = ((s[index + 0] & 0x0F) as u32) << 12;
[INFO] [stdout]    |                        ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/dic.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 |             ch32 = ((s[index + 0] & 0x07) as u32) << 18;
[INFO] [stdout]    |                        ^^^^^^^^^ help: consider reducing it to: `index`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/dic.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |         if ln_vec.len() == 0 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `ln_vec.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]     = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to use `.enumerate()` and immediately discard the index
[INFO] [stdout]    --> src/dic.rs:288:36
[INFO] [stdout]     |
[INFO] [stdout] 288 |         for (_i, &item) in s.iter().enumerate() {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
[INFO] [stdout]     = note: `#[warn(clippy::unused_enumerate_index)]` on by default
[INFO] [stdout] help: remove the `.enumerate()` call
[INFO] [stdout]     |
[INFO] [stdout] 288 -         for (_i, &item) in s.iter().enumerate() {
[INFO] [stdout] 288 +         for &item in s.iter() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/dic.rs:315:39
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 results.push((-n - 1, i as usize));
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: try: `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/dic.rs:329:35
[INFO] [stdout]     |
[INFO] [stdout] 329 |             results.push((-n - 1, s.len() as usize));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^ help: try: `s.len()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn print_tokens(tokens: &Vec<(String, String)>) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 28 - fn print_tokens(tokens: &Vec<(String, String)>) {
[INFO] [stdout] 28 + fn print_tokens(tokens: &[(String, String)]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]    --> src/dic.rs:365:30
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 feature_ptr: (&self.mmap[start..]).as_ptr(),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self.mmap[start..]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]   --> src/main.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let rcfile = if let Some(rcfile_option) = matches.get_one::<String>("rcfile") {
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 59 | |         Some(rcfile_option.as_str())
[INFO] [stdout] 60 | |     } else {
[INFO] [stdout] 61 | |         None
[INFO] [stdout] 62 | |     };
[INFO] [stdout]    | |_____^ help: try: `matches.get_one::<String>("rcfile").map(|rcfile_option| rcfile_option.as_str())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]    = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/dic.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 |         unpack_i16(&self.mmap, ((id2 * self.lsize + id1) * 2 + 4) as usize) as i32
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(((id2 * self.lsize + id1) * 2 + 4))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/dic.rs:443:13
[INFO] [stdout]     |
[INFO] [stdout] 443 |     assert!(!result.is_err(), "Can't open dict file.");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: try: `result.is_ok()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/dic.rs:533:5
[INFO] [stdout]     |
[INFO] [stdout] 533 |     assert_eq!(invoke, true);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 533 -     assert_eq!(invoke, true);
[INFO] [stdout] 533 +     assert!(invoke);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/lattice.rs:217:15
[INFO] [stdout]     |
[INFO] [stdout] 217 |         while self.enodes[self.p as usize].len() == 0 {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.enodes[self.p as usize].is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:240:42
[INFO] [stdout]     |
[INFO] [stdout] 240 |             shortest_path.push(Rc::clone(&node));
[INFO] [stdout]     |                                          ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:254:45
[INFO] [stdout]     |
[INFO] [stdout] 254 |         pq.push(BackwardPath::new(Rc::clone(&node), None, matrix));
[INFO] [stdout]     |                                             ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]    --> src/lattice.rs:256:15
[INFO] [stdout]     |
[INFO] [stdout] 256 |         while pq.len() > 0 && n > 0 {
[INFO] [stdout]     |               ^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!pq.is_empty()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:267:57
[INFO] [stdout]     |
[INFO] [stdout] 267 |                     pq.push(BackwardPath::new(Rc::clone(&node), Some(&bp), matrix));
[INFO] [stdout]     |                                                         ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/lattice.rs:296:42
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 back_path.push(Rc::clone(&node));
[INFO] [stdout]     |                                          ^^^^^ help: change this to: `node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calling `push_str()` using a single-character string literal
[INFO] [stdout]   --> src/mecabrc.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     s.push_str("/");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `s.push('/')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_add_str
[INFO] [stdout]    = note: `#[warn(clippy::single_char_add_str)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]   --> src/tokenizer.rs:52:47
[INFO] [stdout]    |
[INFO] [stdout] 52 |           let user_dic: Option<dic::MeCabDic> = if let Some(userdic_path) = rc_map.get("userdic") {
[INFO] [stdout]    |  _______________________________________________^
[INFO] [stdout] 53 | |             Some(dic::MeCabDic::open(userdic_path).unwrap())
[INFO] [stdout] 54 | |         } else {
[INFO] [stdout] 55 | |             None
[INFO] [stdout] 56 | |         };
[INFO] [stdout]    | |_________^ help: try: `rc_map.get("userdic").map(|userdic_path| dic::MeCabDic::open(userdic_path).unwrap())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]    = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/tokenizer.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 if user_entries.len() > 0 {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!user_entries.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/tokenizer.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |             if sys_entries.len() > 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!sys_entries.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nodes`
[INFO] [stdout]    --> src/tokenizer.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |         for i in 1..nodes.len() - 1 {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 121 -         for i in 1..nodes.len() - 1 {
[INFO] [stdout] 121 +         for <item> in nodes.iter().take(nodes.len() - 1).skip(1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nodes`
[INFO] [stdout]    --> src/tokenizer.rs:134:22
[INFO] [stdout]     |
[INFO] [stdout] 134 |             for i in 1..nodes.len() - 1 {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 134 -             for i in 1..nodes.len() - 1 {
[INFO] [stdout] 134 +             for <item> in nodes.iter().take(nodes.len() - 1).skip(1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/main.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn print_tokens(tokens: &Vec<(String, String)>) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 28 - fn print_tokens(tokens: &Vec<(String, String)>) {
[INFO] [stdout] 28 + fn print_tokens(tokens: &[(String, String)]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/mecabrc.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for path in vec!["/usr/local/etc/mecabrc", "/etc/mecabrc"] {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["/usr/local/etc/mecabrc", "/etc/mecabrc"]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]   --> src/main.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let rcfile = if let Some(rcfile_option) = matches.get_one::<String>("rcfile") {
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 59 | |         Some(rcfile_option.as_str())
[INFO] [stdout] 60 | |     } else {
[INFO] [stdout] 61 | |         None
[INFO] [stdout] 62 | |     };
[INFO] [stdout]    | |_____^ help: try: `matches.get_one::<String>("rcfile").map(|rcfile_option| rcfile_option.as_str())`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]    = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s
[INFO] running `Command { std: "docker" "inspect" "257ac170d659731533af2b924ca44991d3a38d5b936f53f7c11b8830ab3ff9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257ac170d659731533af2b924ca44991d3a38d5b936f53f7c11b8830ab3ff9aa", kill_on_drop: false }`
[INFO] [stdout] 257ac170d659731533af2b924ca44991d3a38d5b936f53f7c11b8830ab3ff9aa