this derivation will be built:
  /nix/store/7clmh8nfy7b7x7rkvsj37sgl4jz6mhqa-swamp-20260831.195211.0-sha.059fda44.drv
building '/nix/store/7clmh8nfy7b7x7rkvsj37sgl4jz6mhqa-swamp-20260831.195211.0-sha.059fda44.drv'
swamp-20260831.195211.0-sha.059fda44> Using versionCheckHook
swamp-20260831.195211.0-sha.059fda44> Running phase: unpackPhase
swamp-20260831.195211.0-sha.059fda44> unpacking source archive /nix/store/8w6vf6vdjqr9nhgk0qgi8817xmbkglvn-swamp-20260831.195211.0-sha.059fda44-binary-linux-x86_64.tar.gz
swamp-20260831.195211.0-sha.059fda44> source root is .
swamp-20260831.195211.0-sha.059fda44> setting SOURCE_DATE_EPOCH to timestamp 1788207617 of file "./swamp"
swamp-20260831.195211.0-sha.059fda44> Running phase: patchPhase
swamp-20260831.195211.0-sha.059fda44> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260831.195211.0-sha.059fda44> Running phase: configurePhase
swamp-20260831.195211.0-sha.059fda44> no configure script, doing nothing
swamp-20260831.195211.0-sha.059fda44> Running phase: buildPhase
swamp-20260831.195211.0-sha.059fda44> no Makefile or custom buildPhase, doing nothing
swamp-20260831.195211.0-sha.059fda44> Running phase: installPhase
swamp-20260831.195211.0-sha.059fda44> Running phase: fixupPhase
swamp-20260831.195211.0-sha.059fda44> shrinking RPATHs of ELF executables and libraries in /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44
swamp-20260831.195211.0-sha.059fda44> shrinking /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44/bin/swamp
swamp-20260831.195211.0-sha.059fda44> checking for references to /build/ in /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44...
swamp-20260831.195211.0-sha.059fda44> patching script interpreter paths in /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44
swamp-20260831.195211.0-sha.059fda44> wrapBuddy: wrapping paths: /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44
swamp-20260831.195211.0-sha.059fda44> Using interpreter: /nix/store/n51dhmdbik1kfrsm62j5knavmigwrl1a-glibc-2.42-84/lib/ld-linux-x86-64.so.2
swamp-20260831.195211.0-sha.059fda44> 64-bit stub: 407 bytes
swamp-20260831.195211.0-sha.059fda44> 32-bit stub: 441 bytes
swamp-20260831.195211.0-sha.059fda44> Patching: /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44/bin/swamp
swamp-20260831.195211.0-sha.059fda44>   ELF class: 64-bit
swamp-20260831.195211.0-sha.059fda44>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260831.195211.0-sha.059fda44>   Available space at entry: 50417312 bytes
swamp-20260831.195211.0-sha.059fda44>   Stub size: 407 bytes (padded to 416)
swamp-20260831.195211.0-sha.059fda44>   Wrote config to /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44/bin/.swamp.wrapbuddy
swamp-20260831.195211.0-sha.059fda44>   Overwrote 416 bytes at entry point
swamp-20260831.195211.0-sha.059fda44>   Converted PT_INTERP to PT_NULL
swamp-20260831.195211.0-sha.059fda44> Patched: /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44/bin/swamp
swamp-20260831.195211.0-sha.059fda44> Running phase: installCheckPhase
swamp-20260831.195211.0-sha.059fda44> Executing versionCheckPhase
swamp-20260831.195211.0-sha.059fda44> Successfully managed to find version 20260831.195211.0-sha.059fda44 in the output of the command /nix/store/g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44/bin/swamp --version
swamp-20260831.195211.0-sha.059fda44> swamp 20260831.195211.0-sha.059fda44
swamp-20260831.195211.0-sha.059fda44> Finished versionCheckPhase
swamp-20260831.195211.0-sha.059fda44> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-09-01T07:30:32.717Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-09-01T07:30:32.717Z level=INFO msg="Uploading g7a9r67hssqlnkjip72jwbmzrkhc2cll-swamp-20260831.195211.0-sha.059fda44 (351.0MB)"
time=2026-09-01T07:30:57.447Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T07:30:57.885Z level=INFO msg="Upload complete. (25.664s)"