[nixdeploy] Уметь парсить выхлоп о составных derivations

Ломается на таком выхлопе `nix-build`:
```
dev=/nix/store/64pd0r08x29al0av6a01rxx5vznslp03-libcap-2.25-dev;doc=/nix/store/qpm1dqf2y2pvsrbnbfqrl5zr2l3hva02-libcap-2.25-doc;lib=/nix/store/szy230br49zgpqsaa9z3z4qi4rxbbnwa-libcap-2.25-lib;/nix/store/5287gdlrxkdaxak8mn4kg67yp70pivcw-libcap-2.25;pam=/nix/store/12q13qkv198dlyh54gpli83sy15330nn-libcap-2.25-pam
```