this derivation will be built:
  /nix/store/kyl9adfr5m2blnmj7pgacbw3d31fgbs1-harmonia-clippy-3.3.0.drv
building '/nix/store/kyl9adfr5m2blnmj7pgacbw3d31fgbs1-harmonia-clippy-3.3.0.drv'
harmonia-clippy-3.3.0> tribuchet: building on jamie
harmonia-clippy-3.3.0> Running phase: unpackPhase
harmonia-clippy-3.3.0> unpacking source archive /nix/store/w7l4n16i3qrcq5f3jp1p3lb82q6n27hh-source