Backtrace:
In guix/packages.scm:
 350: 19 [expand-input # # # ...]
 313: 18 [cache # "mips64el-linux" #<procedure thunk ()>]
 388: 17 [thunk]
In srfi/srfi-1.scm:
 576: 16 [map #<procedure a0e720 at guix/packages.scm:389:39 (t-5742)> (# # # # ...)]
In guix/packages.scm:
 350: 15 [expand-input # # # ...]
 313: 14 [cache # "mips64el-linux" #<procedure thunk ()>]
 388: 13 [thunk]
In srfi/srfi-1.scm:
 576: 12 [map #<procedure a445d0 at guix/packages.scm:389:39 (t-5742)> (# # # # ...)]
In guix/packages.scm:
 350: 11 [expand-input # # # ...]
 313: 10 [cache # "mips64el-linux" #<procedure thunk ()>]
 388: 9 [thunk]
 280: 8 [package-transitive-inputs #]
In gnu/packages/bootstrap.scm:
 163: 7 [inputs]
 163: 6 [inputs]
 163: 5 [inputs]
 163: 4 [inputs]
 163: 3 [inputs]
 163: 2 [inputs]
 139: 1 [inputs]
In unknown file:
   ?: 0 ["/home/nikita/gnuabi64-tarballs/m7vf579yxmif4fdp2qn1gcilfddp2m37-bootstrap-tarballs-0/binutils-static-stripped-2.23.2-mips64el-linux-gnuabi64.tar.xz" "mips64el-linux"]

ERROR: In procedure /home/nikita/gnuabi64-tarballs/m7vf579yxmif4fdp2qn1gcilfddp2m37-bootstrap-tarballs-0/binutils-static-stripped-2.23.2-mips64el-linux-gnuabi64.tar.xz:
ERROR: Wrong type to apply: "/home/nikita/gnuabi64-tarballs/m7vf579yxmif4fdp2qn1gcilfddp2m37-bootstrap-tarballs-0/binutils-static-stripped-2.23.2-mips64el-linux-gnuabi64.tar.xz"