this derivation will be built:
  /nix/store/cx5lhkq4xl0705a2b1v2gc4i9hxbzxym-amp-0.0.1786651704-g574433.drv
building '/nix/store/cx5lhkq4xl0705a2b1v2gc4i9hxbzxym-amp-0.0.1786651704-g574433.drv'
amp-0.0.1786651704-g574433> Using versionCheckHook
amp-0.0.1786651704-g574433> Running phase: patchPhase
amp-0.0.1786651704-g574433> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1786651704-g574433> Running phase: configurePhase
amp-0.0.1786651704-g574433> no configure script, doing nothing
amp-0.0.1786651704-g574433> Running phase: buildPhase
amp-0.0.1786651704-g574433> no Makefile or custom buildPhase, doing nothing
amp-0.0.1786651704-g574433> Running phase: installPhase
amp-0.0.1786651704-g574433> Running phase: fixupPhase
amp-0.0.1786651704-g574433> shrinking RPATHs of ELF executables and libraries in /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433
amp-0.0.1786651704-g574433> shrinking /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433/bin/amp
amp-0.0.1786651704-g574433> checking for references to /build/ in /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433...
amp-0.0.1786651704-g574433> patching script interpreter paths in /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433
amp-0.0.1786651704-g574433> wrapBuddy: wrapping paths: /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433
amp-0.0.1786651704-g574433> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
amp-0.0.1786651704-g574433> 64-bit stub: 407 bytes
amp-0.0.1786651704-g574433> 32-bit stub: 441 bytes
amp-0.0.1786651704-g574433> Patching: /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433/bin/.amp-wrapped
amp-0.0.1786651704-g574433>   ELF class: 64-bit
amp-0.0.1786651704-g574433>   Original entry: 0x24c7e00 (file offset: 0x2067e00)
amp-0.0.1786651704-g574433>   Available space at entry: 58510096 bytes
amp-0.0.1786651704-g574433>   Stub size: 407 bytes (padded to 416)
amp-0.0.1786651704-g574433>   Wrote config to /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433/bin/..amp-wrapped.wrapbuddy
amp-0.0.1786651704-g574433>   Overwrote 416 bytes at entry point
amp-0.0.1786651704-g574433>   Converted PT_INTERP to PT_NULL
amp-0.0.1786651704-g574433> Patched: /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433/bin/.amp-wrapped
amp-0.0.1786651704-g574433> Running phase: installCheckPhase
amp-0.0.1786651704-g574433> Executing versionCheckPhase
amp-0.0.1786651704-g574433> Successfully managed to find version 0.0.1786651704-g574433 in the output of the command /nix/store/7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433/bin/amp --version
amp-0.0.1786651704-g574433> 0.0.1786651704-g574433 (released 2026-08-13T20:08:24.000Z, 1h ago)
amp-0.0.1786651704-g574433> Finished versionCheckPhase
amp-0.0.1786651704-g574433> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-13T21:32:12.869Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (10 already cached)"
time=2026-08-13T21:32:12.869Z level=INFO msg="Uploading 7xnnqm5a3dj3hij3rd5qdaqcyh6s15n5-amp-0.0.1786651704-g574433 (106.7MB)"
time=2026-08-13T21:32:16.908Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T21:32:17.248Z level=INFO msg="Upload complete. (4.603s)"