1these 2 derivations will be built:2 /nix/store/wldbzxil8qm4s1vlygk6l0dixrn6mks6-python3-3.14.7-env.drv3 /nix/store/xhs35ba6qkh9wgalhnwysj0cv6nqyk25-calendar-mcp-contract-test.drv4this path will be fetched (567.0 KiB download, 2.9 MiB unpacked):5 /nix/store/0hp52894rvkliqayp2gy9ydg334142pi-python3.14-caldav-3.3.1