Hi Nikolai, On Thu, 22 Mar 2018 00:02:46 +0500 Nikolai Merinov wrote: > I checked several times with "guix build --no-grafts --rounds=2 rust@1.24.1" > with "guix gc" between tries, but it worked correctly. I tried on x86-64 > architecture with my patch over 79f450a120068ac1d2fc4e5b4b33ae938b604f95 > guix commit. Weird, works fine for me with 79f450a120068ac1d2fc4e5b4b33ae938b604f95. But with the current master, 2cac8891510533338f6214fbd5ab9c2f6204e856, it fails as describes (I tried again, fails).