oozextract

https://docs.rs/oozextract/
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oozextract is an open-source decompressor for the Kraken, Mermaid, Selkie, Leviathan, LZNA, and...
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### Line numbers 1-3

Source: https://docs.rs/crate/oozextract/latest/source/build.rs

A simple code block showing line numbers 1, 2, and 3. This appears to be a placeholder or example of line numbering.

```text
1
2
3
```

--------------------------------

### Dockerfile for perf profiling environment

Source: https://docs.rs/crate/oozextract/latest/source/perf.Dockerfile

Sets up a Rust container with linux-perf and cargo-flamegraph, disables perf_event_paranoid, and mounts /build/target as a volume. Includes commented-out CMD and perf script conversion for Firefox profiler.

```Dockerfile
FROM rust:latest

RUN apt-get update && apt-get install -y linux-perf
RUN cargo install flamegraph
RUN echo "kernel.perf_event_paranoid = -1" >>/etc/sysctl.

VOLUME /build/target

ENV CARGO_PROFILE_RELEASE_DEBUG=true
WORKDIR /build/perf

# FIXME: CMD spews binary output to console, for now just do
# docker run -it -v .:/build rust-perf bash
# cargo flamegraph --bench criterion
#CMD ["cargo", "flamegraph", "--bench", "criterion"]

# convert to a format readable by profiler.firefox.com:
# perf script -F +pid > perf.data.firefox
```

--------------------------------

### build.rs main function with cargo::rustc-check-cfg

Source: https://docs.rs/crate/oozextract/latest/source/build.rs

The build script for the oozextract crate. It defines a main function that emits a cargo directive to check the 'nightly' configuration flag.

```rust
fn main() {
    println!("cargo::rustc-check-cfg=cfg(nightly)");
}
```

--------------------------------

### Cargo.toml.orig for oozextract

Source: https://docs.rs/crate/oozextract/latest/source/Cargo.toml.orig

The complete Cargo.toml.orig manifest for the oozextract crate. It defines the package as a library and binary, lists dependencies including optional ones for CLI, async, and WASM support, and configures features and benchmarks.

```toml
[package]
name = "oozextract"
description = "Open source Kraken / Mermaid / Selkie / Leviathan / LZNA / Bitknit decompressor"
repository = "https://github.com/lvlvllvlvllvlvl/oozextract"
version = "0.5.5"
edition = "2021"
license = "MIT"
exclude = ["testdata", "verify"]

[lib]
crate-type = ["cdylib", "rlib"]

[[bin]]
name = "unoodle"
path = "src/main.rs"

[dependencies]
bytemuck = "1.19.0"
bytes = "1.8.0"
clap = { version = "4.5.20", optional = true, features = ["derive"] }
futures = "0.3.31"
log = "0.4.22"
test-log = "0.2.16"
tokio = { version = "1.41.0", optional = true, features = ["io-util"] }
wasm-bindgen = { version = "0.2.95", optional = true }
wide = "0.7.28"

[dev-dependencies]
criterion = "0.5.1"
tokio = { version = "1.41.0", features = ["full"] }
tokio-util = { version = "0.7.12", features = ["io"] }

[package.metadata.docs.rs]
all-features = true
# use this cfg value to enable nightly-only features such as `doc_auto_cfg`
# when built by docs.rs https://stackoverflow.com/a/61417700/2063518
rustdoc-args = ["--cfg", "nightly"]

[package.metadata.wasm-pack.profile]
dev.wasm-opt = false
profiling.wasm-opt = ['-O4', '-g']
release.wasm-opt = ['-O4']

[[bench]]
name = "criterion"
harness = false

[features]
x86_sse = []
async = []
tokio = ["async", "dep:tokio"]
wasm = ["dep:wasm-bindgen"]
verbose_errors = []
cli = ["dep:clap"]
```

--------------------------------

### Build failure log for oozextract 0.5.5

Source: https://docs.rs/crate/oozextract/latest/builds/4109342

The build log from docs.rs showing the failure. The build command uses `cargo rustdoc` with nightly and all features. The error is `error[E0557]: feature has been removed` for `feature(doc_auto_cfg)` in `src/lib.rs:8:30`. The feature was removed in Rust 1.92.0 and merged into `doc_cfg`.

```text
# error kind
ExecutionFailed

# pre-build errors
command failed: exit status: 101



# rustc version
rustc 1.99.0-nightly (3d6c19bb9 2026-08-11)

# docs.rs version
docsrs 0.0.0 (34a12160ded44b303795066b8c53e4bdae865e51 2026-08-11 )

# build log
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "f0fa6d98442ed191ff3adb2fa6640de4cdf3e82011ccf9002dab528011420e15" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--cfg\", \"nightly\", \"-Z\", \"unstable-options\", \"--emit=html-non-static-files\", \"--resource-suffix\", \"-20260811-1.99.0-nightly-3d6c19bb9\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-j6" "--target" "x86_64-unknown-linux-gnu" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op
[INFO] [stderr]  Documenting oozextract v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![cfg_attr(nightly, feature(doc_auto_cfg))]
[INFO] [stderr]   |                              ^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in 1.92.0; see <https://github.com/rust-lang/rust/pull/138907> for more information
[INFO] [stderr]   = note: merged into `doc_cfg`
[INFO] [stderr] 
[INFO] [stderr] error: Compilation failed, aborting rustdoc
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not document `oozextract`
[INFO] running `Command { std: "docker" "inspect" "f0fa6d98442ed191ff3adb2fa6640de4cdf3e82011ccf9002dab528011420e15", kill_on_drop: false }`
```
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