[INFO] cloning repository https://github.com/lammermann/literate_programming_toolsuite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lammermann/literate_programming_toolsuite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flammermann%2Fliterate_programming_toolsuite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flammermann%2Fliterate_programming_toolsuite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb713adb29327468cfca9f01afe91029e092924d
[INFO] checking lammermann/literate_programming_toolsuite/cb713adb29327468cfca9f01afe91029e092924d against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flammermann%2Fliterate_programming_toolsuite" "/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/lammermann/literate_programming_toolsuite
[INFO] finished tweaking git repo https://github.com/lammermann/literate_programming_toolsuite
[INFO] tweaked toml for git repo https://github.com/lammermann/literate_programming_toolsuite written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lammermann/literate_programming_toolsuite on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lammermann/literate_programming_toolsuite 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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v5.1.0
[INFO] [stderr]   Downloaded globset v0.4.17
[INFO] [stderr]   Downloaded rhai_codegen v3.1.0
[INFO] [stderr]   Downloaded docx-rs v0.4.18
[INFO] [stderr]   Downloaded rhai v1.23.4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 847956f8aaa2d6d8ef1bb1c3075bea025cc1723350431987af606be665de4c4e
[INFO] running `Command { std: "docker" "start" "-a" "847956f8aaa2d6d8ef1bb1c3075bea025cc1723350431987af606be665de4c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "847956f8aaa2d6d8ef1bb1c3075bea025cc1723350431987af606be665de4c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847956f8aaa2d6d8ef1bb1c3075bea025cc1723350431987af606be665de4c4e", kill_on_drop: false }`
[INFO] [stdout] 847956f8aaa2d6d8ef1bb1c3075bea025cc1723350431987af606be665de4c4e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c96858a74506464a4f3ce23b7cbf9fd9819b921590ee410c12b13c0245a1316
[INFO] running `Command { std: "docker" "start" "-a" "3c96858a74506464a4f3ce23b7cbf9fd9819b921590ee410c12b13c0245a1316", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking weezl v0.1.10
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking deunicode v1.6.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking pest v2.8.3
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking slug v0.1.6
[INFO] [stderr]     Checking xml-rs v0.8.27
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking simple_logger v5.1.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking thin-vec v0.2.14
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking globset v0.4.17
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking ignore v0.4.24
[INFO] [stderr]     Checking globwalk v0.9.1
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling rhai_codegen v3.1.0
[INFO] [stderr]    Compiling chrono-tz-build v0.3.0
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]    Compiling chrono-tz v0.9.0
[INFO] [stderr]     Checking rhai v1.23.4
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking ansicht v0.1.0 (/opt/rustwide/workdir/ansicht)
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> ansicht/src/reader/ascii_art.rs:176:15
[INFO] [stdout]     |
[INFO] [stdout] 176 |               line,
[INFO] [stdout]     |               ^^^^ help: try ignoring the field: `line: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> ansicht/src/reader/ascii_art.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 |               line,
[INFO] [stdout]     |               ^^^^ help: try ignoring the field: `line: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> ansicht/src/reader/ascii_art.rs:176:15
[INFO] [stdout]     |
[INFO] [stdout] 176 |               line,
[INFO] [stdout]     |               ^^^^ help: try ignoring the field: `line: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> ansicht/src/reader/ascii_art.rs:198:15
[INFO] [stdout]     |
[INFO] [stdout] 198 |               line,
[INFO] [stdout]     |               ^^^^ help: try ignoring the field: `line: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_bounds` is never used
[INFO] [stdout]   --> ansicht/src/reader/ascii_art.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 80 |   fn get_bounds(&self) -> (usize, usize, usize, usize) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_tokens` is never used
[INFO] [stdout]    --> ansicht/src/reader/ascii_art.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn parse_tokens(input: &str) -> Vec<Token> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `condense_horizontal` is never used
[INFO] [stdout]    --> ansicht/src/reader/ascii_art.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn condense_horizontal(input: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `condense_vertical` is never used
[INFO] [stdout]    --> ansicht/src/reader/ascii_art.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn condense_vertical(input: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking docx-rs v0.4.18
[INFO] [stderr]     Checking tera v1.20.0
[INFO] [stderr]     Checking asciidoctrine v0.1.1 (/opt/rustwide/workdir/asciidoctrine)
[INFO] [stdout] warning: unused variable: `el`
[INFO] [stdout]    --> asciidoctrine/src/writer/html.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 424 |     el => write_html(inner, indent + 1, out)?,
[INFO] [stdout]     |     ^^ help: if this is intentional, prefix it with an underscore: `_el`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]   --> asciidoctrine/src/writer/docx.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |       let content = match input.positional_attributes.get(0) {
[INFO] [stdout]    |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `el`
[INFO] [stdout]    --> asciidoctrine/src/writer/html.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 424 |     el => write_html(inner, indent + 1, out)?,
[INFO] [stdout]     |     ^^ help: if this is intentional, prefix it with an underscore: `_el`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> asciidoctrine/src/writer/html.rs:323:64
[INFO] [stdout]     |
[INFO] [stdout] 323 |       let content = input.get_attribute("content").unwrap_or(id.clone());
[INFO] [stdout]     |                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]   --> asciidoctrine/src/writer/docx.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |       let content = match input.positional_attributes.get(0) {
[INFO] [stdout]    |           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> asciidoctrine/src/writer/html.rs:323:64
[INFO] [stdout]     |
[INFO] [stdout] 323 |       let content = input.get_attribute("content").unwrap_or(id.clone());
[INFO] [stdout]     |                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lisi v0.2.0 (/opt/rustwide/workdir/lisi)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> lisi/src/codeblock_parser.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   key: &str,
[INFO] [stdout]    |   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> lisi/src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut snippets = self.snippets.borrow_mut();
[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: variable does not need to be mutable
[INFO] [stdout]    --> lisi/src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut out = rhai::Array::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> lisi/src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut out = rhai::Array::new();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> lisi/src/codeblock_parser.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   key: &str,
[INFO] [stdout]    |   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> lisi/src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |           &base.children.push(other);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[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] 34 |           let _ = &base.children.push(other);
[INFO] [stdout]    |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lisi/src/lib.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 |   pub fn iter(&self) -> hash_map::Iter<String, Snippet> {
[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] 59 |   pub fn iter(&self) -> hash_map::Iter<'_, String, Snippet> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> lisi/src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut snippets = self.snippets.borrow_mut();
[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: variable does not need to be mutable
[INFO] [stdout]    --> lisi/src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut out = rhai::Array::new();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> lisi/src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut out = rhai::Array::new();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> lisi/src/lib.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |           &base.children.push(other);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[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] 34 |           let _ = &base.children.push(other);
[INFO] [stdout]    |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lisi/src/lib.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 |   pub fn iter(&self) -> hash_map::Iter<String, Snippet> {
[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] 59 |   pub fn iter(&self) -> hash_map::Iter<'_, String, Snippet> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.60s
[INFO] running `Command { std: "docker" "inspect" "3c96858a74506464a4f3ce23b7cbf9fd9819b921590ee410c12b13c0245a1316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c96858a74506464a4f3ce23b7cbf9fd9819b921590ee410c12b13c0245a1316", kill_on_drop: false }`
[INFO] [stdout] 3c96858a74506464a4f3ce23b7cbf9fd9819b921590ee410c12b13c0245a1316
