[INFO] fetching crate fontconfig-cache-parser 0.2.0...
[INFO] testing fontconfig-cache-parser-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fontconfig-cache-parser 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fontconfig-cache-parser 0.2.0
[INFO] finished tweaking crates.io crate fontconfig-cache-parser 0.2.0
[INFO] tweaked toml for crates.io crate fontconfig-cache-parser 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fontconfig-cache-parser 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fontconfig-cache-parser 0.2.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae3063080ce5418eb1df019c07faf954781b96a922a3b6076ceef60dc9eda035
[INFO] running `Command { std: "docker" "start" "-a" "ae3063080ce5418eb1df019c07faf954781b96a922a3b6076ceef60dc9eda035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae3063080ce5418eb1df019c07faf954781b96a922a3b6076ceef60dc9eda035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3063080ce5418eb1df019c07faf954781b96a922a3b6076ceef60dc9eda035", kill_on_drop: false }`
[INFO] [stdout] ae3063080ce5418eb1df019c07faf954781b96a922a3b6076ceef60dc9eda035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a56fa5a840ce9aec47721c598c33c939f33c71aae2a8edde0d417095507a9b
[INFO] running `Command { std: "docker" "start" "-a" "43a56fa5a840ce9aec47721c598c33c939f33c71aae2a8edde0d417095507a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling fontconfig-cache-parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/lib.rs:346:1
[INFO] [stdout]     |
[INFO] [stdout] 346 | /// A set of bytes, represented as a bitset.
[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 `check` is never used
[INFO] [stdout]   --> src/data.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | /// The fontconfig cache header, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | /// A set of fonts, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | /// The raw serialized format of a [`Pattern`](crate::Pattern).
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | /// A single element of a [`Pattern`](crate::Pattern), in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | /// A linked list of [`Value`](crate::Value)s, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | /// Fontconfig's `FcValue` data type, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | /// A set of code points, in the raw serialized format.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt> + '_> {
[INFO] [stdout]     |                 ^^^^^                                 ^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                 |                                     |
[INFO] [stdout]     |                 the lifetime is elided here           the same lifetime is hidden 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] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt<'_>> + '_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "43a56fa5a840ce9aec47721c598c33c939f33c71aae2a8edde0d417095507a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a56fa5a840ce9aec47721c598c33c939f33c71aae2a8edde0d417095507a9b", kill_on_drop: false }`
[INFO] [stdout] 43a56fa5a840ce9aec47721c598c33c939f33c71aae2a8edde0d417095507a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3072326d8ab2f0a8b1d027cf0238ab233fd12287317ce39e0f964d8191382f10
[INFO] running `Command { std: "docker" "start" "-a" "3072326d8ab2f0a8b1d027cf0238ab233fd12287317ce39e0f964d8191382f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_builder v4.5.1
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling fontconfig-cache-parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/lib.rs:346:1
[INFO] [stdout]     |
[INFO] [stdout] 346 | /// A set of bytes, represented as a bitset.
[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 `check` is never used
[INFO] [stdout]   --> src/data.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | /// The fontconfig cache header, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | /// A set of fonts, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | /// The raw serialized format of a [`Pattern`](crate::Pattern).
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | /// A single element of a [`Pattern`](crate::Pattern), in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | /// A linked list of [`Value`](crate::Value)s, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | /// Fontconfig's `FcValue` data type, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | /// A set of code points, in the raw serialized format.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt> + '_> {
[INFO] [stdout]     |                 ^^^^^                                 ^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                 |                                     |
[INFO] [stdout]     |                 the lifetime is elided here           the same lifetime is hidden 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] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt<'_>> + '_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v4.5.1
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/lib.rs:346:1
[INFO] [stdout]     |
[INFO] [stdout] 346 | /// A set of bytes, represented as a bitset.
[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 `check` is never used
[INFO] [stdout]   --> src/data.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | /// The fontconfig cache header, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | /// A set of fonts, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | /// The raw serialized format of a [`Pattern`](crate::Pattern).
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | /// A single element of a [`Pattern`](crate::Pattern), in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | /// A linked list of [`Value`](crate::Value)s, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/data.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | /// Fontconfig's `FcValue` data type, in the raw serialized format.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | /// A set of code points, in the raw serialized format.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt> + '_> {
[INFO] [stdout]     |                 ^^^^^                                 ^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                 |                                     |
[INFO] [stdout]     |                 the lifetime is elided here           the same lifetime is hidden 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] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt<'_>> + '_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "3072326d8ab2f0a8b1d027cf0238ab233fd12287317ce39e0f964d8191382f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3072326d8ab2f0a8b1d027cf0238ab233fd12287317ce39e0f964d8191382f10", kill_on_drop: false }`
[INFO] [stdout] 3072326d8ab2f0a8b1d027cf0238ab233fd12287317ce39e0f964d8191382f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bb03fee0a2abd6b333d181e3e51f84e1a52b24f27c157fb806cf4d90cd17bee
[INFO] running `Command { std: "docker" "start" "-a" "0bb03fee0a2abd6b333d181e3e51f84e1a52b24f27c157fb806cf4d90cd17bee", kill_on_drop: false }`
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]    --> src/lib.rs:346:1
[INFO] [stderr]     |
[INFO] [stderr] 346 | /// A set of bytes, represented as a bitset.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/data.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | /// The fontconfig cache header, in the raw serialized format.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/data.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | /// A set of fonts, in the raw serialized format.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/data.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | /// The raw serialized format of a [`Pattern`](crate::Pattern).
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/data.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | /// A single element of a [`Pattern`](crate::Pattern), in the raw serialized format.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/data.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | /// A linked list of [`Value`](crate::Value)s, in the raw serialized format.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/data.rs:96:1
[INFO] [stderr]    |
[INFO] [stderr] 96 | /// Fontconfig's `FcValue` data type, in the raw serialized format.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]    --> src/data.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | /// A set of code points, in the raw serialized format.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt> + '_> {
[INFO] [stderr]     |                 ^^^^^                                 ^^^^^^^^^^    ^^ the same lifetime is elided here
[INFO] [stderr]     |                 |                                     |
[INFO] [stderr]     |                 the lifetime is elided here           the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 209 |     pub fn elts(&self) -> Result<impl Iterator<Item = PatternElt<'_>> + '_> {
[INFO] [stderr]     |                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fontconfig-cache-parser` (lib) generated 9 warnings (run `cargo fix --lib -p fontconfig-cache-parser` to apply 1 suggestion)
[INFO] [stderr] warning: `fontconfig-cache-parser` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fontconfig_cache_parser-205640e61a1d00c2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fontconfig_cache_parser
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ptr.rs - ptr (line 24) ... ignored
[INFO] [stdout] test src/ptr.rs - ptr (line 50) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bb03fee0a2abd6b333d181e3e51f84e1a52b24f27c157fb806cf4d90cd17bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb03fee0a2abd6b333d181e3e51f84e1a52b24f27c157fb806cf4d90cd17bee", kill_on_drop: false }`
[INFO] [stdout] 0bb03fee0a2abd6b333d181e3e51f84e1a52b24f27c157fb806cf4d90cd17bee