Crate rust_version_info_file 

output rust version info into a file

This crate is the presents, the file output of rustc –version and cargo tree command.

Features

• minimum support rustc 1.65.0 (897e37553 2022-11-02)

Examples

Please write the following code in the build.rs:

use rust_version_info_file::rust_version_info_file;

fn main() {
    rust_version_info_file("target/rust-version-info.txt", "Cargo.toml");
}

And you get the file as result it.

cat target/rust-version-info-file.txt

On debian package

In Cargo.toml

[package.metadata.deb]
assets = [
    ["target/rust-version-info.txt", "usr/share/doc/your_package/", "644"],
    ["README.md", "usr/share/doc/your_package/", "644"],
]

Output sample

$ cat target/rust-version-info-aki-gsub.txt

rustc 1.89.0 (29483883e 2025-08-04)
aki-gsub v0.1.34
├── anyhow v1.0.99
├── atty v0.2.14
│   └── libc v0.2.175
├── flood-tide v0.2.11
├── memx-cdy v0.1.13
│   ├── libc v0.2.175
│   └── memx v0.1.32
│       └── cpufeatures v0.2.17
├── regex v1.11.1
│   ├── aho-corasick v1.1.3
│   │   └── memchr v2.7.5
│   ├── memchr v2.7.5
│   ├── regex-automata v0.4.9
│   │   ├── aho-corasick v1.1.3 (*)
│   │   ├── memchr v2.7.5
│   │   └── regex-syntax v0.8.5
│   └── regex-syntax v0.8.5
└── runnel v0.3.19
[build-dependencies]
├── rust-version-info-file v0.1.10
└── rustc_version v0.4.1
    └── semver v1.0.26
[dev-dependencies]
├── exec-target v0.2.9
└── indoc v1.0.9 (proc-macro)

Functions

rust_version_info_file

output rust version info into a file