this derivation will be built:
  /nix/store/l5670ggviw8x8xbcwg47mdx3v48ilvl5-eca-0.157.3.drv
building '/nix/store/l5670ggviw8x8xbcwg47mdx3v48ilvl5-eca-0.157.3.drv'
eca-0.157.3> Using versionCheckHook
eca-0.157.3> Running phase: unpackPhase
eca-0.157.3> Archive:  /nix/store/yag4jsw0dki3kqgsa54phqlmhqjmq1w6-eca-native-linux-amd64.zip
eca-0.157.3>   inflating: eca                     
eca-0.157.3> Running phase: patchPhase
eca-0.157.3> Running phase: updateAutotoolsGnuConfigScriptsPhase
eca-0.157.3> Running phase: configurePhase
eca-0.157.3> no configure script, doing nothing
eca-0.157.3> Running phase: installPhase
eca-0.157.3> Running phase: fixupPhase
eca-0.157.3> shrinking RPATHs of ELF executables and libraries in /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3
eca-0.157.3> shrinking /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3/bin/eca
eca-0.157.3> checking for references to /build/ in /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3...
eca-0.157.3> patching script interpreter paths in /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3
eca-0.157.3> stripping (with command strip and flags -S -p) in /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3/bin
eca-0.157.3> wrapBuddy: wrapping paths: /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3
eca-0.157.3> Using interpreter: /nix/store/n51dhmdbik1kfrsm62j5knavmigwrl1a-glibc-2.42-84/lib/ld-linux-x86-64.so.2
eca-0.157.3> 64-bit stub: 407 bytes
eca-0.157.3> 32-bit stub: 441 bytes
eca-0.157.3> Patching: /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3/bin/eca
eca-0.157.3>   ELF class: 64-bit
eca-0.157.3>   Original entry: 0x16d0000 (file offset: 0x16d0000)
eca-0.157.3>   Available space at entry: 24864653 bytes
eca-0.157.3>   Stub size: 407 bytes (padded to 416)
eca-0.157.3>   Wrote config to /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3/bin/.eca.wrapbuddy
eca-0.157.3>   Overwrote 416 bytes at entry point
eca-0.157.3>   Converted PT_INTERP to PT_NULL
eca-0.157.3> Patched: /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3/bin/eca
eca-0.157.3> Running phase: installCheckPhase
eca-0.157.3> Executing versionCheckPhase
eca-0.157.3> Successfully managed to find version 0.157.3 in the output of the command /nix/store/ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3/bin/eca --version
eca-0.157.3> eca 0.157.3
eca-0.157.3> Finished versionCheckPhase
eca-0.157.3> no Makefile or custom installCheckPhase, doing nothing

post-build step Upload to niks3: ok
time=2026-08-29T00:57:55.735Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (8 already cached)"
time=2026-08-29T00:57:55.735Z level=INFO msg="Uploading ql863h98drlb6n1h4j1fsxzf731a25wp-eca-0.157.3 (101.9MB)"
time=2026-08-29T00:57:58.905Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T00:57:59.255Z level=INFO msg="Upload complete. (3.747s)"