this derivation will be built:
  /nix/store/y7cl100kj6r0hisic3q4vxbrdjv2vpdh-swamp-20260828.013403.0-sha.4bde205b.drv
building '/nix/store/y7cl100kj6r0hisic3q4vxbrdjv2vpdh-swamp-20260828.013403.0-sha.4bde205b.drv'
swamp-20260828.013403.0-sha.4bde205b> Using versionCheckHook
swamp-20260828.013403.0-sha.4bde205b> Running phase: unpackPhase
swamp-20260828.013403.0-sha.4bde205b> unpacking source archive /nix/store/4j4l60rx11fyqxwjzj7qg29z60m1wnsb-swamp-20260828.013403.0-sha.4bde205b-binary-linux-x86_64.tar.gz
swamp-20260828.013403.0-sha.4bde205b> source root is .
swamp-20260828.013403.0-sha.4bde205b> setting SOURCE_DATE_EPOCH to timestamp 1787882080 of file "./swamp"
swamp-20260828.013403.0-sha.4bde205b> Running phase: patchPhase
swamp-20260828.013403.0-sha.4bde205b> Running phase: updateAutotoolsGnuConfigScriptsPhase
swamp-20260828.013403.0-sha.4bde205b> Running phase: configurePhase
swamp-20260828.013403.0-sha.4bde205b> no configure script, doing nothing
swamp-20260828.013403.0-sha.4bde205b> Running phase: buildPhase
swamp-20260828.013403.0-sha.4bde205b> no Makefile or custom buildPhase, doing nothing
swamp-20260828.013403.0-sha.4bde205b> Running phase: installPhase
swamp-20260828.013403.0-sha.4bde205b> Running phase: fixupPhase
swamp-20260828.013403.0-sha.4bde205b> shrinking RPATHs of ELF executables and libraries in /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b
swamp-20260828.013403.0-sha.4bde205b> shrinking /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b/bin/swamp
swamp-20260828.013403.0-sha.4bde205b> checking for references to /build/ in /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b...
swamp-20260828.013403.0-sha.4bde205b> patching script interpreter paths in /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b
swamp-20260828.013403.0-sha.4bde205b> wrapBuddy: wrapping paths: /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b
swamp-20260828.013403.0-sha.4bde205b> Using interpreter: /nix/store/n51dhmdbik1kfrsm62j5knavmigwrl1a-glibc-2.42-84/lib/ld-linux-x86-64.so.2
swamp-20260828.013403.0-sha.4bde205b> 64-bit stub: 407 bytes
swamp-20260828.013403.0-sha.4bde205b> 32-bit stub: 441 bytes
swamp-20260828.013403.0-sha.4bde205b> Patching: /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b/bin/swamp
swamp-20260828.013403.0-sha.4bde205b>   ELF class: 64-bit
swamp-20260828.013403.0-sha.4bde205b>   Original entry: 0x2271000 (file offset: 0x2270000)
swamp-20260828.013403.0-sha.4bde205b>   Available space at entry: 50417312 bytes
swamp-20260828.013403.0-sha.4bde205b>   Stub size: 407 bytes (padded to 416)
swamp-20260828.013403.0-sha.4bde205b>   Wrote config to /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b/bin/.swamp.wrapbuddy
swamp-20260828.013403.0-sha.4bde205b>   Overwrote 416 bytes at entry point
swamp-20260828.013403.0-sha.4bde205b>   Converted PT_INTERP to PT_NULL
swamp-20260828.013403.0-sha.4bde205b> Patched: /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b/bin/swamp
swamp-20260828.013403.0-sha.4bde205b> Running phase: installCheckPhase
swamp-20260828.013403.0-sha.4bde205b> Executing versionCheckPhase
swamp-20260828.013403.0-sha.4bde205b> Successfully managed to find version 20260828.013403.0-sha.4bde205b in the output of the command /nix/store/bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b/bin/swamp --version
swamp-20260828.013403.0-sha.4bde205b> swamp 20260828.013403.0-sha.4bde205b
swamp-20260828.013403.0-sha.4bde205b> Finished versionCheckPhase
swamp-20260828.013403.0-sha.4bde205b> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-28T06:50:41.607Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (7 already cached)"
time=2026-08-28T06:50:41.607Z level=INFO msg="Uploading bhnss0n08fp714bbyc78nniyqk9kaa5b-swamp-20260828.013403.0-sha.4bde205b (350.9MB)"
time=2026-08-28T06:50:51.293Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T06:50:51.612Z level=INFO msg="Upload complete. (10.397s)"