this derivation will be built:
  /nix/store/agxcha1drswswnvphgw48sg5s1wq6kxh-amp-0.0.1786666234-gf5184d.drv
building '/nix/store/agxcha1drswswnvphgw48sg5s1wq6kxh-amp-0.0.1786666234-gf5184d.drv'
amp-0.0.1786666234-gf5184d> Using versionCheckHook
amp-0.0.1786666234-gf5184d> Running phase: patchPhase
amp-0.0.1786666234-gf5184d> Running phase: updateAutotoolsGnuConfigScriptsPhase
amp-0.0.1786666234-gf5184d> Running phase: configurePhase
amp-0.0.1786666234-gf5184d> no configure script, doing nothing
amp-0.0.1786666234-gf5184d> Running phase: buildPhase
amp-0.0.1786666234-gf5184d> no Makefile or custom buildPhase, doing nothing
amp-0.0.1786666234-gf5184d> Running phase: installPhase
amp-0.0.1786666234-gf5184d> Running phase: fixupPhase
amp-0.0.1786666234-gf5184d> shrinking RPATHs of ELF executables and libraries in /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d
amp-0.0.1786666234-gf5184d> shrinking /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d/bin/amp
amp-0.0.1786666234-gf5184d> checking for references to /build/ in /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d...
amp-0.0.1786666234-gf5184d> patching script interpreter paths in /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d
amp-0.0.1786666234-gf5184d> wrapBuddy: wrapping paths: /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d
amp-0.0.1786666234-gf5184d> Using interpreter: /nix/store/0d8g8n0a11v6f5m2h416ajyxmnkwc3md-glibc-2.42-67/lib/ld-linux-x86-64.so.2
amp-0.0.1786666234-gf5184d> 64-bit stub: 407 bytes
amp-0.0.1786666234-gf5184d> 32-bit stub: 441 bytes
amp-0.0.1786666234-gf5184d> Patching: /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d/bin/.amp-wrapped
amp-0.0.1786666234-gf5184d>   ELF class: 64-bit
amp-0.0.1786666234-gf5184d>   Original entry: 0x24c7e00 (file offset: 0x2067e00)
amp-0.0.1786666234-gf5184d>   Available space at entry: 58510096 bytes
amp-0.0.1786666234-gf5184d>   Stub size: 407 bytes (padded to 416)
amp-0.0.1786666234-gf5184d>   Wrote config to /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d/bin/..amp-wrapped.wrapbuddy
amp-0.0.1786666234-gf5184d>   Overwrote 416 bytes at entry point
amp-0.0.1786666234-gf5184d>   Converted PT_INTERP to PT_NULL
amp-0.0.1786666234-gf5184d> Patched: /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d/bin/.amp-wrapped
amp-0.0.1786666234-gf5184d> Running phase: installCheckPhase
amp-0.0.1786666234-gf5184d> Executing versionCheckPhase
amp-0.0.1786666234-gf5184d> Successfully managed to find version 0.0.1786666234-gf5184d in the output of the command /nix/store/fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d/bin/amp --version
amp-0.0.1786666234-gf5184d> 0.0.1786666234-gf5184d (released 2026-08-14T00:10:34.000Z, 28m ago)
amp-0.0.1786666234-gf5184d> Finished versionCheckPhase
amp-0.0.1786666234-gf5184d> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-14T00:39:14.187Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (10 already cached)"
time=2026-08-14T00:39:14.187Z level=INFO msg="Uploading fw7rdb3zq4gn9ivrma93f5mj9l4c59fb-amp-0.0.1786666234-gf5184d (106.7MB)"
time=2026-08-14T00:39:17.201Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-14T00:39:17.474Z level=INFO msg="Upload complete. (4.46s)"