this derivation will be built:
  /nix/store/rwsc8vwa25cx9j632vikn66n86k747pq-slack-mcp-server-1.3.0.drv
building '/nix/store/rwsc8vwa25cx9j632vikn66n86k747pq-slack-mcp-server-1.3.0.drv' on 'ssh-ng://nix-remote-builder@rofl-15.brkn.lol'
building '/nix/store/rwsc8vwa25cx9j632vikn66n86k747pq-slack-mcp-server-1.3.0.drv'
slack-mcp-server-1.3.0> Running phase: unpackPhase
slack-mcp-server-1.3.0> unpacking source archive /nix/store/pgmjh33dkcphrxn6qbdnf3x36z363zw3-source
slack-mcp-server-1.3.0> source root is source
slack-mcp-server-1.3.0> Running phase: patchPhase
slack-mcp-server-1.3.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
slack-mcp-server-1.3.0> Running phase: configurePhase
slack-mcp-server-1.3.0> Running phase: buildPhase
slack-mcp-server-1.3.0> Building subPackage ./cmd/slack-mcp-server
slack-mcp-server-1.3.0> buildPhase completed in 7 minutes 57 seconds
slack-mcp-server-1.3.0> Running phase: checkPhase
slack-mcp-server-1.3.0> ?   	github.com/korotovsky/slack-mcp-server/cmd/slack-mcp-server	[no test files]
slack-mcp-server-1.3.0> checkPhase completed in 5 minutes 32 seconds
slack-mcp-server-1.3.0> Running phase: installPhase
slack-mcp-server-1.3.0> Running phase: fixupPhase
slack-mcp-server-1.3.0> shrinking RPATHs of ELF executables and libraries in /nix/store/ijgn7zjg03jmr27xa1fbqfljxl3fs2qd-slack-mcp-server-1.3.0
slack-mcp-server-1.3.0> shrinking /nix/store/ijgn7zjg03jmr27xa1fbqfljxl3fs2qd-slack-mcp-server-1.3.0/bin/slack-mcp-server
slack-mcp-server-1.3.0> checking for references to /build/ in /nix/store/ijgn7zjg03jmr27xa1fbqfljxl3fs2qd-slack-mcp-server-1.3.0...
slack-mcp-server-1.3.0> patching script interpreter paths in /nix/store/ijgn7zjg03jmr27xa1fbqfljxl3fs2qd-slack-mcp-server-1.3.0
slack-mcp-server-1.3.0> stripping (with command strip and flags -S -p) in /nix/store/ijgn7zjg03jmr27xa1fbqfljxl3fs2qd-slack-mcp-server-1.3.0/bin

upload niks3: ok