this derivation will be built:
  /nix/store/x58swpfww9ycpkzgb5rkkkzsk1852fx9-ghq-shared-test-acl.drv
building '/nix/store/x58swpfww9ycpkzgb5rkkkzsk1852fx9-ghq-shared-test-acl.drv' on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5'
building '/nix/store/x58swpfww9ycpkzgb5rkkkzsk1852fx9-ghq-shared-test-acl.drv' on [fddb:4344:343b:14b9:399:9324:19d9:3451]:50051
ghq-shared-test-acl> stibnite: building x58swpfww9ycpkzgb5rkkkzsk1852fx9-ghq-shared-test-acl.drv
ghq-shared-test-acl> ghq-shared-migrate: entries carrying an ACL are listed, and only those
ghq-shared-test-acl> ghq-shared-migrate: everyone (gid 12) resolves to 172 accounts, nested membership included
ghq-shared-test-acl> ghq-shared-migrate: a writer that will not stop is refused and restarted, and a failed restart is reported
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok