Expand description

This crate contains deserializers for machine-readable output generated by cargo-nextest.

Implemented so far:


Get the list of tests in the repository:

// This example requires `cargo nextest` to be installed.

use nextest_metadata::ListCommand;

let command = ListCommand::new();
let test_list = command.exec().unwrap();

// The result is a TestListSummary.
println!("{:?}", test_list);

Minimum supported Rust version (MSRV)

The minimum supported Rust version is Rust 1.62.

While this crate is a pre-release (0.x.x) it may have its MSRV bumped in a patch release. Once a crate has reached 1.x, any MSRV bump will be accompanied with a new minor version.

Minimum supported cargo-nextest version

The “minimum supported cargo-nextest version” is cargo-nextest 0.9.15.

For more about nextest-metadata’s stability policy, see the Stability page on the nextest site.


A serializable suite of test binaries.

Command builder for cargo nextest list.

Rust metadata used for builds and test runs.

Information about the kind of a Rust non-test binary.

A non-test Rust binary. Used to set the correct environment variables in reused builds.

Information about the kind of a Rust test binary.

A serializable Rust test binary.

Serializable information about an individual test case within a Rust test suite.

Information about whether a test suite was listed or skipped.

A serializable suite of tests within a Rust test binary.

Root element for a serializable list of tests generated by nextest.


The platform a binary was built on (useful for cross-compilation)

An error that occurs while running a cargo nextest command.

An enum describing whether a test matches a filter.

The reason for why a test doesn’t match a filter.

Documented exit codes for cargo nextest failures.