[INFO] cloning repository https://github.com/csicar/structless
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csicar/structless" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsicar%2Fstructless", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsicar%2Fstructless'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b8d1e04ac45b3fc882dee45a9b1f3516e8a53f0
[INFO] checking csicar/structless 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%2Fcsicar%2Fstructless" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/csicar/structless
[INFO] finished tweaking git repo https://github.com/csicar/structless
[INFO] tweaked toml for git repo https://github.com/csicar/structless written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/csicar/structless 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/csicar/structless 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 61c348eaf5e65acae5c084d393f400c0f9c8976f0d14a99798a5af4192c85a89
[INFO] running `Command { std: "docker" "start" "-a" "61c348eaf5e65acae5c084d393f400c0f9c8976f0d14a99798a5af4192c85a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61c348eaf5e65acae5c084d393f400c0f9c8976f0d14a99798a5af4192c85a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c348eaf5e65acae5c084d393f400c0f9c8976f0d14a99798a5af4192c85a89", kill_on_drop: false }`
[INFO] [stdout] 61c348eaf5e65acae5c084d393f400c0f9c8976f0d14a99798a5af4192c85a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 49e3d062e18d64894bec2af5f65348a070c64017bc2d836ab0d0d25004e04459
[INFO] running `Command { std: "docker" "start" "-a" "49e3d062e18d64894bec2af5f65348a070c64017bc2d836ab0d0d25004e04459", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling tree-sitter v0.20.6
[INFO] [stderr]    Compiling tree-sitter-structless v0.0.1 (/opt/rustwide/workdir/tree-sitter-structless)
[INFO] [stderr]    Compiling tree-sitter-json v0.19.0
[INFO] [stderr]    Compiling tree-sitter-rust v0.20.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking crossterm v0.23.1
[INFO] [stderr]     Checking tui v0.17.0
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]     Checking structless v0.1.0 (/opt/rustwide/workdir/structless)
[INFO] [stdout] warning: unused imports: `BufWriter`, `Bytes`, `HashMap`, `convert::Infallible`, `fmt::Display`, `iter::Peekable`, `path::Path`, `str::FromStr`, `thread`, and `time::Duration`
[INFO] [stdout]   --> structless/src/main.rs:3:19
[INFO] [stdout]    |
[INFO] [stdout]  3 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]  4 |     convert::Infallible,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  5 |     fmt::Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]  6 |     fs::File,
[INFO] [stdout]  7 |     io::{self, BufRead, BufReader, BufWriter, Bytes, Read, Write},
[INFO] [stdout]    |                                    ^^^^^^^^^  ^^^^^
[INFO] [stdout]  8 |     iter::Peekable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     path::Path,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     sync::Arc,
[INFO] [stdout] 12 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     time::Duration,
[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: `error`
[INFO] [stdout]   --> structless/src/main.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | use tracing::{error, instrument, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt::format::Writer`
[INFO] [stdout]   --> structless/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use tracing_subscriber::fmt::format::Writer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeCursor`
[INFO] [stdout]   --> structless/src/main.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tree_sitter::{Language, Node, Parser, Range, Tree, TreeCursor};
[INFO] [stdout]    |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Alignment`
[INFO] [stdout]   --> structless/src/main.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     layout::{Alignment, Constraint, Direction, Layout},
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> structless/src/main.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     if (s.len() > max_length) {
[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] 323 -     if (s.len() > max_length) {
[INFO] [stdout] 323 +     if s.len() > max_length  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter`, `Bytes`, `HashMap`, `convert::Infallible`, `fmt::Display`, `iter::Peekable`, `path::Path`, `str::FromStr`, `thread`, and `time::Duration`
[INFO] [stdout]   --> structless/src/main.rs:3:19
[INFO] [stdout]    |
[INFO] [stdout]  3 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]  4 |     convert::Infallible,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  5 |     fmt::Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]  6 |     fs::File,
[INFO] [stdout]  7 |     io::{self, BufRead, BufReader, BufWriter, Bytes, Read, Write},
[INFO] [stdout]    |                                    ^^^^^^^^^  ^^^^^
[INFO] [stdout]  8 |     iter::Peekable,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]  9 |     path::Path,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 10 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 11 |     sync::Arc,
[INFO] [stdout] 12 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     time::Duration,
[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: `error`
[INFO] [stdout]   --> structless/src/main.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | use tracing::{error, instrument, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt::format::Writer`
[INFO] [stdout]   --> structless/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use tracing_subscriber::fmt::format::Writer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeCursor`
[INFO] [stdout]   --> structless/src/main.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tree_sitter::{Language, Node, Parser, Range, Tree, TreeCursor};
[INFO] [stdout]    |                                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Alignment`
[INFO] [stdout]   --> structless/src/main.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     layout::{Alignment, Constraint, Direction, Layout},
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> structless/src/main.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     if (s.len() > max_length) {
[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] 323 -     if (s.len() > max_length) {
[INFO] [stdout] 323 +     if s.len() > max_length  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> structless/src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{self, BufRead, BufReader, BufWriter, Bytes, Read, Write},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> structless/src/main.rs:7:60
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{self, BufRead, BufReader, BufWriter, Bytes, Read, Write},
[INFO] [stdout]   |                                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> structless/src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut f = flatten(app.tree.root_node(), 0, Arc::new(|id| false));
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> structless/src/main.rs:153:60
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut f = flatten(app.tree.root_node(), 0, Arc::new(|id| false));
[INFO] [stdout]     |                                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> structless/src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{self, BufRead, BufReader, BufWriter, Bytes, Read, Write},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> structless/src/main.rs:7:60
[INFO] [stdout]   |
[INFO] [stdout] 7 |     io::{self, BufRead, BufReader, BufWriter, Bytes, Read, Write},
[INFO] [stdout]   |                                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListState` is never constructed
[INFO] [stdout]   --> structless/src/tree.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ListState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `selected` and `select` are never used
[INFO] [stdout]   --> structless/src/tree.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl ListState {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 17 |   pub fn selected(&self) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub fn select(&mut self, index: Option<usize>) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListItem` is never constructed
[INFO] [stdout]   --> structless/src/tree.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ListItem<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `style`, and `height` are never used
[INFO] [stdout]   --> structless/src/tree.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'a> ListItem<'a> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 36 |   pub fn new<T>(content: T) -> ListItem<'a>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |   pub fn style(mut self, style: Style) -> ListItem<'a> {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub fn height(&self) -> usize {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> structless/src/tree.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Tree<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> structless/src/tree.rs:86:10
[INFO] [stdout]     |
[INFO] [stdout]  85 | impl<'a> Tree<'a> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout]  86 |   pub fn new<T>(items: T) -> Tree<'a>
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |   pub fn block(mut self, block: Block<'a>) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |   pub fn style(mut self, style: Style) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |   pub fn highlight_symbol(mut self, highlight_symbol: &'a str) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |   pub fn highlight_style(mut self, style: Style) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |   pub fn repeat_highlight_symbol(mut self, repeat: bool) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |   pub fn start_corner(mut self, corner: Corner) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |   fn get_items_bounds(
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> structless/src/main.rs:490:5
[INFO] [stdout]     |
[INFO] [stdout] 490 | /     /// File to parse
[INFO] [stdout] 491 | |     #[clap(short, long, value_hint=clap::ValueHint::FilePath)]
[INFO] [stdout] 492 | |     input: String,
[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: variable does not need to be mutable
[INFO] [stdout]    --> structless/src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut f = flatten(app.tree.root_node(), 0, Arc::new(|id| false));
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> structless/src/main.rs:153:60
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut f = flatten(app.tree.root_node(), 0, Arc::new(|id| false));
[INFO] [stdout]     |                                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structless` (bin "structless") due to 1 previous error; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `ListState` is never constructed
[INFO] [stdout]   --> structless/src/tree.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct ListState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `selected` and `select` are never used
[INFO] [stdout]   --> structless/src/tree.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl ListState {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 17 |   pub fn selected(&self) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub fn select(&mut self, index: Option<usize>) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListItem` is never constructed
[INFO] [stdout]   --> structless/src/tree.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ListItem<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `style`, and `height` are never used
[INFO] [stdout]   --> structless/src/tree.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'a> ListItem<'a> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 36 |   pub fn new<T>(content: T) -> ListItem<'a>
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |   pub fn style(mut self, style: Style) -> ListItem<'a> {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub fn height(&self) -> usize {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> structless/src/tree.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct Tree<'a> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> structless/src/tree.rs:86:10
[INFO] [stdout]     |
[INFO] [stdout]  85 | impl<'a> Tree<'a> {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout]  86 |   pub fn new<T>(items: T) -> Tree<'a>
[INFO] [stdout]     |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |   pub fn block(mut self, block: Block<'a>) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |   pub fn style(mut self, style: Style) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |   pub fn highlight_symbol(mut self, highlight_symbol: &'a str) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |   pub fn highlight_style(mut self, style: Style) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |   pub fn repeat_highlight_symbol(mut self, repeat: bool) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |   pub fn start_corner(mut self, corner: Corner) -> Tree<'a> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |   fn get_items_bounds(
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> structless/src/main.rs:490:5
[INFO] [stdout]     |
[INFO] [stdout] 490 | /     /// File to parse
[INFO] [stdout] 491 | |     #[clap(short, long, value_hint=clap::ValueHint::FilePath)]
[INFO] [stdout] 492 | |     input: String,
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structless` (bin "structless" test) due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "49e3d062e18d64894bec2af5f65348a070c64017bc2d836ab0d0d25004e04459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e3d062e18d64894bec2af5f65348a070c64017bc2d836ab0d0d25004e04459", kill_on_drop: false }`
[INFO] [stdout] 49e3d062e18d64894bec2af5f65348a070c64017bc2d836ab0d0d25004e04459
