[INFO] cloning repository https://github.com/Congee/hunt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Congee/hunt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongee%2Fhunt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongee%2Fhunt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6be33058d6bb7f5fa55d7f3b93050ce0e75b748
[INFO] linting Congee/hunt against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCongee%2Fhunt" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Congee/hunt
[INFO] finished tweaking git repo https://github.com/Congee/hunt
[INFO] tweaked toml for git repo https://github.com/Congee/hunt written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Congee/hunt 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 git repo https://github.com/Congee/hunt 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]   Downloaded zstd-safe v4.1.1+zstd.1.5.0
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[INFO] [stderr]   Downloaded rayon-core v1.9.1
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.19
[INFO] [stderr]   Downloaded rayon v1.5.1
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]   Downloaded fst v0.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fdfcedc960fb517a9192e1f98644ada86870dac0ea7cf7f24d93776a2ae82f8a
[INFO] running `Command { std: "docker" "start" "-a" "fdfcedc960fb517a9192e1f98644ada86870dac0ea7cf7f24d93776a2ae82f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdfcedc960fb517a9192e1f98644ada86870dac0ea7cf7f24d93776a2ae82f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdfcedc960fb517a9192e1f98644ada86870dac0ea7cf7f24d93776a2ae82f8a", kill_on_drop: false }`
[INFO] [stdout] fdfcedc960fb517a9192e1f98644ada86870dac0ea7cf7f24d93776a2ae82f8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9cc2c1da0f98455bfbcf1c67fef9b687b404d54b6802c8cce122f51cb4a45a46
[INFO] running `Command { std: "docker" "start" "-a" "9cc2c1da0f98455bfbcf1c67fef9b687b404d54b6802c8cce122f51cb4a45a46", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]     Checking hunt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]   --> src/fanotify.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libc;
[INFO] [stdout]    | ^^^^^^^^^ help: remove it entirely
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout]    = note: `#[warn(clippy::single_component_path_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::foo`
[INFO] [stdout]   --> src/store.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub use super::foo;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/dfa.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Dfa`
[INFO] [stdout]   --> src/dfa.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub use super::Dfa;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]   --> src/fanotify.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libc;
[INFO] [stdout]    | ^^^^^^^^^ help: remove it entirely
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout]    = note: `#[warn(clippy::single_component_path_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::foo`
[INFO] [stdout]   --> src/store.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub use super::foo;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/dfa.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Dfa`
[INFO] [stdout]   --> src/dfa.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub use super::Dfa;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/store.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for ch in line.chars() {}
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 17 |     #[structopt(parse(from_os_str))]
[INFO] [stdout] 18 |     path: std::path::PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn print<T: std::fmt::Display>(path: T) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_event` is never used
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn handle_event(ev: &Event) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn run() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_fd` is never used
[INFO] [stdout]   --> src/fanotify.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub unsafe fn prepare_fd<P: AsRef<std::path::Path>>(__path: P) -> Result<libc::c_int> {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BATCH` is never used
[INFO] [stdout]   --> src/fanotify.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 | const BATCH: usize = 200;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Metadata` is never used
[INFO] [stdout]   --> src/fanotify.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | type Metadata = libc::fanotify_event_metadata;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAN_EVENT_METADATA_LEN` is never used
[INFO] [stdout]   --> src/fanotify.rs:73:7
[INFO] [stdout]    |
[INFO] [stdout] 73 | const FAN_EVENT_METADATA_LEN: usize = std::mem::size_of::<Metadata>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_metadata` is never used
[INFO] [stdout]   --> src/fanotify.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub unsafe fn handle_metadata(buf: *const Metadata, tx: &Sender<Event>) -> Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `poll` is never used
[INFO] [stdout]    --> src/fanotify.rs:152:15
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub unsafe fn poll(fd: libc::c_int, tx: &Sender<Event>) -> Result<()> {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]    --> src/fanotify.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub enum Event {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trie` is never constructed
[INFO] [stdout]   --> src/store.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Trie {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `from` and `insert_line` are never used
[INFO] [stdout]   --> src/store.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Trie {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 17 |     fn from(&self, lines: impl Iterator<Item = String>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn insert_line(&self, line: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]  --> src/dfa.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct State(String);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Symbol` is never constructed
[INFO] [stdout]  --> src/dfa.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Symbol(String);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dfa` is never constructed
[INFO] [stdout]  --> src/dfa.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Dfa<State, Symbol> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Automaton` is never used
[INFO] [stdout]   --> src/dfa.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Automaton {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyState` is never used
[INFO] [stdout]   --> src/dfa.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum MyState {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MySymbol` is never used
[INFO] [stdout]   --> src/dfa.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum MySymbol {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `accepts` are never used
[INFO] [stdout]   --> src/dfa.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Dfa<MyState, MySymbol> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 41 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn accepts(&self, input: &[MySymbol]) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/fanotify.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |       let flags = 0
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 33 | |         | FAN_CLASS_NOTIF
[INFO] [stdout]    | |_________________________^ help: consider reducing it to: `FAN_CLASS_NOTIF`
[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/fanotify.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let marks = 0 | FAN_MARK_ADD as u32 | FAN_MARK_ONLYDIR as u32;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(FAN_MARK_ADD as u32)`
[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/fanotify.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |       let masks = 0
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 49 | |         | FAN_CREATE as u64
[INFO] [stdout]    | |___________________________^ help: consider reducing it to: `(FAN_CREATE as u64)`
[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: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]   --> src/fanotify.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         marks as u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: try: `marks`
[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: this boolean expression can be simplified
[INFO] [stdout]    --> src/fanotify_header.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | /     true
[INFO] [stdout] 201 | |     && len >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout] 202 | |     && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout] 203 | |     && (*meta).event_len as usize >= len
[INFO] [stdout]     | |________________________________________^ help: try: `len >= std::mem::size_of::<libc::fanotify_event_metadata>() && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>() && (*meta).event_len as usize >= len`
[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: this boolean expression can be simplified
[INFO] [stdout]    --> src/fanotify_header.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | /     true
[INFO] [stdout] 201 | |     && len >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout] 202 | |     && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout]     | |_________________________________________________________________________________________^ help: try: `len >= std::mem::size_of::<libc::fanotify_event_metadata>() && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/fanotify_header.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | /     true
[INFO] [stdout] 201 | |     && len >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout]     | |__________________________________________________________________^ help: try: `len >= std::mem::size_of::<libc::fanotify_event_metadata>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]   --> src/store.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn read<'a, P: AsRef<std::path::Path>>(p: P) -> Result<String> {
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]   --> src/store.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / pub mod store {
[INFO] [stdout] 50 | |     pub use super::foo;
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]    = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]   --> src/dfa.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / pub mod dfa {
[INFO] [stdout] 24 | |     pub use super::Dfa;
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/store.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for ch in line.chars() {}
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     send.join();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = send.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     recv.join();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = recv.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 17 |     #[structopt(parse(from_os_str))]
[INFO] [stdout] 18 |     path: std::path::PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn print<T: std::fmt::Display>(path: T) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_event` is never used
[INFO] [stdout]   --> src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn handle_event(ev: &Event) -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn run() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_fd` is never used
[INFO] [stdout]   --> src/fanotify.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub unsafe fn prepare_fd<P: AsRef<std::path::Path>>(__path: P) -> Result<libc::c_int> {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BATCH` is never used
[INFO] [stdout]   --> src/fanotify.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 | const BATCH: usize = 200;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Metadata` is never used
[INFO] [stdout]   --> src/fanotify.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | type Metadata = libc::fanotify_event_metadata;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAN_EVENT_METADATA_LEN` is never used
[INFO] [stdout]   --> src/fanotify.rs:73:7
[INFO] [stdout]    |
[INFO] [stdout] 73 | const FAN_EVENT_METADATA_LEN: usize = std::mem::size_of::<Metadata>();
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_metadata` is never used
[INFO] [stdout]   --> src/fanotify.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub unsafe fn handle_metadata(buf: *const Metadata, tx: &Sender<Event>) -> Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `poll` is never used
[INFO] [stdout]    --> src/fanotify.rs:152:15
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub unsafe fn poll(fd: libc::c_int, tx: &Sender<Event>) -> Result<()> {
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]    --> src/fanotify.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub enum Event {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trie` is never constructed
[INFO] [stdout]   --> src/store.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Trie {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `from` and `insert_line` are never used
[INFO] [stdout]   --> src/store.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Trie {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 17 |     fn from(&self, lines: impl Iterator<Item = String>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn insert_line(&self, line: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]  --> src/dfa.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct State(String);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Symbol` is never constructed
[INFO] [stdout]  --> src/dfa.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Symbol(String);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `states` and `input_symbols` are never read
[INFO] [stdout]   --> src/dfa.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Dfa<State, Symbol> {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  9 |     states: Vec<State>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     input_symbols: HashSet<Symbol>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Automaton` is never used
[INFO] [stdout]   --> src/dfa.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Automaton {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/fanotify.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |       let flags = 0
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 33 | |         | FAN_CLASS_NOTIF
[INFO] [stdout]    | |_________________________^ help: consider reducing it to: `FAN_CLASS_NOTIF`
[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/fanotify.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let marks = 0 | FAN_MARK_ADD as u32 | FAN_MARK_ONLYDIR as u32;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(FAN_MARK_ADD as u32)`
[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/fanotify.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |       let masks = 0
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 49 | |         | FAN_CREATE as u64
[INFO] [stdout]    | |___________________________^ help: consider reducing it to: `(FAN_CREATE as u64)`
[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: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]   --> src/fanotify.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         marks as u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: try: `marks`
[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: this boolean expression can be simplified
[INFO] [stdout]    --> src/fanotify_header.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | /     true
[INFO] [stdout] 201 | |     && len >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout] 202 | |     && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout] 203 | |     && (*meta).event_len as usize >= len
[INFO] [stdout]     | |________________________________________^ help: try: `len >= std::mem::size_of::<libc::fanotify_event_metadata>() && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>() && (*meta).event_len as usize >= len`
[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: this boolean expression can be simplified
[INFO] [stdout]    --> src/fanotify_header.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | /     true
[INFO] [stdout] 201 | |     && len >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout] 202 | |     && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout]     | |_________________________________________________________________________________________^ help: try: `len >= std::mem::size_of::<libc::fanotify_event_metadata>() && (*meta).event_len as usize >= std::mem::size_of::<libc::fanotify_event_metadata>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/fanotify_header.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 | /     true
[INFO] [stdout] 201 | |     && len >= std::mem::size_of::<libc::fanotify_event_metadata>()
[INFO] [stdout]     | |__________________________________________________________________^ help: try: `len >= std::mem::size_of::<libc::fanotify_event_metadata>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]   --> src/store.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn read<'a, P: AsRef<std::path::Path>>(p: P) -> Result<String> {
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]   --> src/store.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / pub mod store {
[INFO] [stdout] 50 | |     pub use super::foo;
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout]    = note: `#[warn(clippy::module_inception)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module has the same name as its containing module
[INFO] [stdout]   --> src/dfa.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / pub mod dfa {
[INFO] [stdout] 24 | |     pub use super::Dfa;
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     send.join();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let _ = send.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     recv.join();
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = recv.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "9cc2c1da0f98455bfbcf1c67fef9b687b404d54b6802c8cce122f51cb4a45a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc2c1da0f98455bfbcf1c67fef9b687b404d54b6802c8cce122f51cb4a45a46", kill_on_drop: false }`
[INFO] [stdout] 9cc2c1da0f98455bfbcf1c67fef9b687b404d54b6802c8cce122f51cb4a45a46