bug#72353: guix pull bug

[Shyam Laximan]

In ./guix/serialization.scm:
   101:11  1 (read-int #<input-output: file 10>)
     79:6  0 (get-bytevector-n* #<input-output: file 10> 8)

./guix/serialization.scm:79:6: In procedure get-bytevector-n*:
ERROR:
  1. &nar-error:
      file: #f
      port: #<input-output: file 10>
\guix pull: error: You found a bug: the program 
'/gnu/store/jw3hyy2zvml1yvw0vsj6k5s0a8i4ibs7-compute-guix-derivation'
failed to compute the derivation for Guix (version: 
"fdc6274de5b1d617fcabb3f3af9d2c0dd2a6520d"; system: "x86_64-linux";
host version: "1.4.0"; pull-version: 1).