these 3 derivations will be built: /nix/store/jg28a0gf239apgwgzmjpcd8lgm8kki0k-treefmt.toml.drv /nix/store/z0rply0mb7qrcs1jc2dp6mz2pscy99gn-treefmt.drv /nix/store/jni64lbhh2l18357q3djh2ab2jwv03qh-treefmt-check.drv this path will be fetched (986.8 KiB download, 2.4 MiB unpacked): /nix/store/m7qns7c685ipighxx60bry03pz27kll7-nixfmt-rs-0.5.3