Solution to the MissingFieldError problem on /images/search.

[ic]

Symptoms

Searching images ends with an error:

Err(
    Decoding(
        MissingFieldError(
            "is_trusted"
        )
    )
)

Found

As far as I could check (Docker Engine API 1.18, now 1.37), I could not find the is_trusted field on the search response. In stead, there is an is_automated field, wich sounds similar. Anyway, it seems the API response payload has changed in a non-backward compatible fashion.

This PR replaces the old field with the new one, and search works fine again.

Test code

extern crate shiplift;
use shiplift::Docker;

let docker = Docker::new();
let images = docker.images();
let res = images.search("rust");
println!("{:#?}", res);

Response before fix

Err(
    Decoding(
        MissingFieldError(
            "is_trusted"
        )
    )
)

Response after fix

Ok(
    [
        SearchResult {
            description: "Rust is a systems programming language focused on safety, speed, and concurrency.",
            is_official: true,
            is_automated: false,
            name: "rust",
            star_count: 93
        },
         ...
    ]
)