this derivation will be built:
  /nix/store/2zyvvpaixm87m882dwl5s3dx9bkfffw6-flake-inputs.drv
building '/nix/store/2zyvvpaixm87m882dwl5s3dx9bkfffw6-flake-inputs.drv'
flake-inputs> tribuchet: building on jamie
flake-inputs> tribuchet worker error: input /nix/store/qj6k30n76l0sf39qca6vi937awzdgiga-source was staged for an earlier build but is not valid in the local store
error: Cannot build '/nix/store/2zyvvpaixm87m882dwl5s3dx9bkfffw6-flake-inputs.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/h08h8nznk4a2r2z66qka2fbi4fdi8dhk-flake-inputs
       Last 2 log lines:
       > tribuchet: building on jamie
       > tribuchet worker error: input /nix/store/qj6k30n76l0sf39qca6vi937awzdgiga-source was staged for an earlier build but is not valid in the local store
       For full logs, run:
         nix log /nix/store/2zyvvpaixm87m882dwl5s3dx9bkfffw6-flake-inputs.drv