rtk cargo

Overview

Proxy for Cargo (Rust build tool) with token-optimized output. Shows only relevant build information and test failures.

Syntax

rtk cargo <SUBCOMMAND> [OPTIONS]

Subcommands

rtk cargo build

Build with minimal output.

rtk cargo build [OPTIONS]

flag

Build optimized artifact

Output (success):

✓ Compiling rtk v0.24.0
✓ Finished in 12.3s

Output (failure):

✗ Error in src/main.rs:42:18
   | expected `;` after expression

Token savings: 85%

rtk cargo test

Run tests, show only failures.

rtk cargo test [OPTIONS]

separator

Pass additional arguments to test binary

Output (passing):

✓ 15/15 tests passed (0.8s)

Output (failures):

✗ 2/15 tests failed:

test_edge_case (src/lib.rs:142)
  assertion failed: expected 42, got 43

test_overflow (src/utils.rs:89)
  thread panicked: arithmetic overflow

Token savings: 90%

rtk cargo clippy

Lint with grouped warnings.

rtk cargo clippy [OPTIONS]

Output:

⚠️  3 warnings:

src/main.rs (2)
  L42: unnecessary allocation (clippy::vec_box)
  L98: variable can be const (clippy::declare_interior_mutable_const)

src/lib.rs (1)
  L67: this function can be simplified (clippy::needless_return)

Token savings: 80%

rtk cargo check

Type-check without building.

rtk cargo check [OPTIONS]

Output:

✓ Check completed in 3.2s

rtk cargo install

Install binary, show progress summary.

rtk cargo install <CRATE>

Output:

✓ Installed rtk v0.24.0
   Binary: ~/.cargo/bin/rtk

Token savings: 92%

Examples

Build Release Binary

rtk cargo build --release

Run Tests with Nocapture

rtk cargo test -- --nocapture

Lint All Targets

rtk cargo clippy --all-targets

Features

Failures only: For tests, only shows failed cases with context
Grouped linting: Clippy warnings grouped by file and rule
Progress stripping: Removes compilation progress bars
Error context: Shows file location and relevant code snippet

Implementation

Source: src/cargo_cmd.rs

Optimizations

Strips “Compiling (N/M)” progress lines
Removes dependency compilation messages
Groups similar warnings/errors
Formats durations compactly (“3.2s” vs “3.234567s”)

rtk test - Generic test runner
rtk lint - Language-agnostic linting

Token Savings Summary

Command	Standard	RTK	Savings
`build` (success)	~1200 tokens	~180 tokens	85%
`test` (passing)	~3000 tokens	~300 tokens	90%
`clippy`	~2000 tokens	~400 tokens	80%
`install`	~1500 tokens	~120 tokens	92%

Command Reference

Global Flags

Overview

Syntax

Subcommands

rtk cargo build

rtk cargo test

rtk cargo clippy

rtk cargo check

rtk cargo install

Examples

Build Release Binary

Run Tests with Nocapture

Lint All Targets

Features

Implementation

Optimizations

Token Savings Summary

​Overview

​Syntax

​Subcommands

​rtk cargo build

​rtk cargo test

​rtk cargo clippy

​rtk cargo check

​rtk cargo install

​Examples

​Build Release Binary

​Run Tests with Nocapture

​Lint All Targets

​Features

​Implementation

​Optimizations

​Related Commands

​Token Savings Summary

Overview

Syntax

Subcommands

rtk cargo build

rtk cargo test

rtk cargo clippy

rtk cargo check

rtk cargo install

Examples

Build Release Binary

Run Tests with Nocapture

Lint All Targets

Features

Implementation

Optimizations

Related Commands

Token Savings Summary