this derivation will be built:
  /nix/store/avx098s3n3gq5an3nmjzlm25hwsm1n1d-amp-0.0.1786637674-gb9011e.drv
building '/nix/store/avx098s3n3gq5an3nmjzlm25hwsm1n1d-amp-0.0.1786637674-gb9011e.drv'
amp-0.0.1786637674-gb9011e> Using versionCheckHook
amp-0.0.1786637674-gb9011e> Running phase: patchPhase
amp-0.0.1786637674-gb9011e> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1786637674-gb9011e> Running phase: configurePhase
amp-0.0.1786637674-gb9011e> no configure script, doing nothing
amp-0.0.1786637674-gb9011e> Running phase: buildPhase
amp-0.0.1786637674-gb9011e> no Makefile or custom buildPhase, doing nothing
amp-0.0.1786637674-gb9011e> Running phase: installPhase
amp-0.0.1786637674-gb9011e> Running phase: fixupPhase
amp-0.0.1786637674-gb9011e> shrinking RPATHs of ELF executables and libraries in /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e
amp-0.0.1786637674-gb9011e> shrinking /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e/bin/amp
amp-0.0.1786637674-gb9011e> checking for references to /build/ in /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e...
amp-0.0.1786637674-gb9011e> patching script interpreter paths in /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e
amp-0.0.1786637674-gb9011e> wrapBuddy: wrapping paths: /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e
amp-0.0.1786637674-gb9011e> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
amp-0.0.1786637674-gb9011e> 64-bit stub: 407 bytes
amp-0.0.1786637674-gb9011e> 32-bit stub: 441 bytes
amp-0.0.1786637674-gb9011e> Patching: /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e/bin/.amp-wrapped
amp-0.0.1786637674-gb9011e>   ELF class: 64-bit
amp-0.0.1786637674-gb9011e>   Original entry: 0x24c7e00 (file offset: 0x2067e00)
amp-0.0.1786637674-gb9011e>   Available space at entry: 58510096 bytes
amp-0.0.1786637674-gb9011e>   Stub size: 407 bytes (padded to 416)
amp-0.0.1786637674-gb9011e>   Wrote config to /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e/bin/..amp-wrapped.wrapbuddy
amp-0.0.1786637674-gb9011e>   Overwrote 416 bytes at entry point
amp-0.0.1786637674-gb9011e>   Converted PT_INTERP to PT_NULL
amp-0.0.1786637674-gb9011e> Patched: /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e/bin/.amp-wrapped
amp-0.0.1786637674-gb9011e> Running phase: installCheckPhase
amp-0.0.1786637674-gb9011e> Executing versionCheckPhase
amp-0.0.1786637674-gb9011e> Successfully managed to find version 0.0.1786637674-gb9011e in the output of the command /nix/store/qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e/bin/amp --version
amp-0.0.1786637674-gb9011e> 0.0.1786637674-gb9011e (released 2026-08-13T16:14:34.000Z, 2h ago)
amp-0.0.1786637674-gb9011e> Finished versionCheckPhase
amp-0.0.1786637674-gb9011e> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-13T18:49:21.346Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (10 already cached)"
time=2026-08-13T18:49:21.346Z level=INFO msg="Uploading qvnckd045ar0sj20mslgmb695l7mmi0d-amp-0.0.1786637674-gb9011e (106.7MB)"
time=2026-08-13T18:49:25.454Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T18:49:25.767Z level=INFO msg="Upload complete. (4.618s)"