vault-git archlinux

$ makepkg -si                                                                                                                                       
==> Making package: vault-git v0.9.3.r129.g6e6b0eb08-1 (Tue Feb 13 16:34:57 EAT 2018)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Updating vault-git git repo...
Fetching origin
  -> Found vault.service
  -> Found vault.hcl
==> Validating source files with sha512sums...
    vault-git ... Skipped
    vault.service ... Passed
    vault.hcl ... Passed
==> Extracting sources...
  -> Creating working copy of  git repo...
Switched to a new branch 'makepkg'
==> Starting prepare()...
==> Starting pkgver()...
==> Removing existing $pkgdir/ directory...
==> Starting build()...
Number of parallel builds: 3

-->     linux/amd64: github.com/hashicorp/vault

1 errors occurred:
--> linux/amd64 error: exit status 2
Stderr: # github.com/hashicorp/vault/physical/manta
physical/manta/manta.go:97:13: cannot use MantaBackend literal (type *MantaBackend) as type physical.Backend in return argument:
        *MantaBackend does not implement physical.Backend (wrong type for Delete method)
                have Delete(string) error
                want Delete(context.Context, string) error

==> ERROR: A failure occurred in build().
    Aborting...