[INFO] cloning repository https://github.com/pascaloon/rusty-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pascaloon/rusty-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpascaloon%2Frusty-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpascaloon%2Frusty-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3582137ca565bb57a873c8f45e21a5fb5e90a745
[INFO] checking pascaloon/rusty-tree against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpascaloon%2Frusty-tree" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pascaloon/rusty-tree
[INFO] finished tweaking git repo https://github.com/pascaloon/rusty-tree
[INFO] tweaked toml for git repo https://github.com/pascaloon/rusty-tree written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pascaloon/rusty-tree on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pascaloon/rusty-tree 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 808fff9aa63c4808a9cd329883ad8920df4bd6944d62deb47764adba7f11f935
[INFO] running `Command { std: "docker" "start" "-a" "808fff9aa63c4808a9cd329883ad8920df4bd6944d62deb47764adba7f11f935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "808fff9aa63c4808a9cd329883ad8920df4bd6944d62deb47764adba7f11f935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808fff9aa63c4808a9cd329883ad8920df4bd6944d62deb47764adba7f11f935", kill_on_drop: false }`
[INFO] [stdout] 808fff9aa63c4808a9cd329883ad8920df4bd6944d62deb47764adba7f11f935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed20aa49c5fde3b47cd94ced4f3167a1ff3c27cd0c33f0fa6b3eebdc0a441c90
[INFO] running `Command { std: "docker" "start" "-a" "ed20aa49c5fde3b47cd94ced4f3167a1ff3c27cd0c33f0fa6b3eebdc0a441c90", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking glob-match v0.2.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking clap v4.1.11
[INFO] [stderr]     Checking rusty-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/crawler.rs:67:23
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let is_last = (c == total);
[INFO] [stdout]    |                       ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         let is_last = (c == total);
[INFO] [stdout] 67 +         let is_last = c == total ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crawler.rs:116:35
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let is_last = (c == files_count);
[INFO] [stdout]     |                                   ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -                     let is_last = (c == files_count);
[INFO] [stdout] 116 +                     let is_last = c == files_count ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/crawler.rs:67:23
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let is_last = (c == total);
[INFO] [stdout]    |                       ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         let is_last = (c == total);
[INFO] [stdout] 67 +         let is_last = c == total ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/crawler.rs:116:35
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let is_last = (c == files_count);
[INFO] [stdout]     |                                   ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -                     let is_last = (c == files_count);
[INFO] [stdout] 116 +                     let is_last = c == files_count ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_last`
[INFO] [stdout]    --> src/crawler.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let is_last = (c == files_count);
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_last`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_last`
[INFO] [stdout]    --> src/crawler.rs:116:25
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let is_last = (c == files_count);
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_last`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SkppedFiles` is never constructed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum RenderType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     SkppedFiles(SkippedRenderIten)
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/multimap.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | / impl<K, V> MultiMap<K, V>
[INFO] [stdout] 11 | |     where K: Eq + Hash + Clone
[INFO] [stdout]    | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub fn iter(&self) -> Vec<(&K, &[V])> {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symlink` and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DirectoryIconSet {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 12 |     pub default: String,
[INFO] [stdout] 13 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 14 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectoryIconSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symlink` and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FileIconSet {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 20 |     pub default: String,
[INFO] [stdout] 21 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 22 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileIconSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default`, `symlink`, and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct DirectoryColorSet {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 36 |     pub default: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 37 |     pub ignored: String,
[INFO] [stdout] 38 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectoryColorSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SkppedFiles` is never constructed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum RenderType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     SkppedFiles(SkippedRenderIten)
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symlink` and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct FileColorSet {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 45 |     pub default: String,
[INFO] [stdout] 46 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 47 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileColorSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `extensions_fold_count` is never read
[INFO] [stdout]   --> src/settings.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Settings {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 77 |     pub ignored_dirs: Vec<String>,
[INFO] [stdout] 78 |     pub extensions_fold_count: usize
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Settings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_filtered` is never used
[INFO] [stdout]    --> src/settings.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl Config {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn is_filtered(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultiMap` is never constructed
[INFO] [stdout]  --> src/multimap.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MultiMap<K, V>
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]  --> src/counter.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Counter<K>(HashMap<K, i32>)
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/counter.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | / impl<K> Counter<K>
[INFO] [stdout]  8 | |     where K: Eq + Hash + Clone
[INFO] [stdout]    | |______________________________- associated items in this implementation
[INFO] [stdout]  9 |   {
[INFO] [stdout] 10 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |       pub fn inc(&mut self, k: &K) {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |       pub fn dec(&mut self, k: &K) {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |       fn with_delta(&mut self, k: &K, delta: i32) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |       pub fn get(&self, k: &K) -> Option<i32> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       pub fn iter(&self) -> std::collections::hash_map::Iter<K, i32> {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub fn clear(&mut self) {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `insert`, and `iter` are never used
[INFO] [stdout]   --> src/multimap.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | / impl<K, V> MultiMap<K, V>
[INFO] [stdout] 11 | |     where K: Eq + Hash + Clone
[INFO] [stdout]    | |______________________________- associated items in this implementation
[INFO] [stdout] 12 |   {
[INFO] [stdout] 13 |       pub fn new() -> MultiMap<K, V> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |       pub fn get(&self, key: &K) -> Option<&[V]> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |       pub fn insert(&mut self, key: &K, value: V) {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub fn iter(&self) -> Vec<(&K, &[V])> {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symlink` and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DirectoryIconSet {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 12 |     pub default: String,
[INFO] [stdout] 13 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 14 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectoryIconSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symlink` and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FileIconSet {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 20 |     pub default: String,
[INFO] [stdout] 21 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 22 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileIconSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default`, `symlink`, and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct DirectoryColorSet {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 36 |     pub default: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 37 |     pub ignored: String,
[INFO] [stdout] 38 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectoryColorSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symlink` and `junction` are never read
[INFO] [stdout]   --> src/settings.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct FileColorSet {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 45 |     pub default: String,
[INFO] [stdout] 46 |     pub symlink: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 47 |     pub junction: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileColorSet` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `extensions_fold_count` is never read
[INFO] [stdout]   --> src/settings.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Settings {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 77 |     pub ignored_dirs: Vec<String>,
[INFO] [stdout] 78 |     pub extensions_fold_count: usize
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Settings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_filtered` is never used
[INFO] [stdout]    --> src/settings.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 139 | impl Config {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn is_filtered(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]  --> src/counter.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Counter<K>(HashMap<K, i32>)
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/counter.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | / impl<K> Counter<K>
[INFO] [stdout]  8 | |     where K: Eq + Hash + Clone
[INFO] [stdout]    | |______________________________- associated items in this implementation
[INFO] [stdout]  9 |   {
[INFO] [stdout] 10 |       pub fn new() -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |       pub fn inc(&mut self, k: &K) {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |       pub fn dec(&mut self, k: &K) {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |       fn with_delta(&mut self, k: &K, delta: i32) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |       pub fn get(&self, k: &K) -> Option<i32> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |       pub fn iter(&self) -> std::collections::hash_map::Iter<K, i32> {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       pub fn clear(&mut self) {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/settings.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         PathBuf::from_str(path).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/counter.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn iter(&self) -> std::collections::hash_map::Iter<K, i32> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn iter(&self) -> std::collections::hash_map::Iter<'_, K, i32> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/settings.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         PathBuf::from_str(path).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/counter.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn iter(&self) -> std::collections::hash_map::Iter<K, i32> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn iter(&self) -> std::collections::hash_map::Iter<'_, K, i32> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-tree` (bin "rusty-tree" test) due to 1 previous error; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty-tree` (bin "rusty-tree") due to 1 previous error; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ed20aa49c5fde3b47cd94ced4f3167a1ff3c27cd0c33f0fa6b3eebdc0a441c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed20aa49c5fde3b47cd94ced4f3167a1ff3c27cd0c33f0fa6b3eebdc0a441c90", kill_on_drop: false }`
[INFO] [stdout] ed20aa49c5fde3b47cd94ced4f3167a1ff3c27cd0c33f0fa6b3eebdc0a441c90
