these 3 derivations will be built:
  /nix/store/16zl9yir5b7p619ydzrmqr2ms3c07c3j-python3-3.14.8-env.drv
  /nix/store/cqi18x92p7l955ybf61111ww5qaajgn2-closure-info.drv
  /nix/store/wvm4pqrgrwcj4annaj04h3fk0rvp5m4m-ext4-fs.img.drv
these 13 paths will be fetched (75.7 MiB download, 338.9 MiB unpacked):
  /nix/store/fia9j90905gizmpkfskicyds22nr4j9b-blas-3
  /nix/store/vpsp7ndw5jy1gc026nsmva33wjlk0hsr-blas-3-dev
  /nix/store/x7448i9jkznf4rk354dp0aadcfln2wg3-check-phase-thread-limit-hook
  /nix/store/l8bxxcl6q08mjqidgv9ddxi7dr3qjlwi-gfortran-16.2.0-lib
  /nix/store/wvjmw9ivr8816jv3sp0rgdjwwa5lbv5c-gfortran-16.2.0-libgcc
  /nix/store/8x6hx0i3jrzvbxzimkf7fa0lz7x013z5-lapack-3
  /nix/store/ghl60fqmigddmv7v6m9a6skfwfny0cwz-lapack-3-dev
  /nix/store/n9cm8j7ygdvkvyjfspscqwb4bcw25zdb-libfaketime-0.9.11
  /nix/store/cl1zf7pwrf2wpyfi3k8jdh6ggia918ja-openblas-0.3.33
  /nix/store/pjdijd0g201aqcmwi9lfq8mgac8xkqm3-python3.14-numpy-2.5.3
  /nix/store/xwjvjif04xdnf87nxx1zzmm705ysz0as-python3.14-pandas-3.0.4
  /nix/store/m6j1lcw06w3y6p4hilv2yfm3k8zqdz2j-python3.14-pytz-2026.3.post1
  /nix/store/mhvwhvjynwvb3za48y52229xcivipxrw-python3.14-tzdata-2026.4
building '/nix/store/16zl9yir5b7p619ydzrmqr2ms3c07c3j-python3-3.14.8-env.drv'
python3-3.14.8-env> tribuchet: building on jamie
python3-3.14.8-env> structuredAttrs is enabled
python3-3.14.8-env> created 250 symlinks in user environment
building '/nix/store/cqi18x92p7l955ybf61111ww5qaajgn2-closure-info.drv'
closure-info> tribuchet: building on jamie
closure-info> structuredAttrs is enabled
building '/nix/store/wvm4pqrgrwcj4annaj04h3fk0rvp5m4m-ext4-fs.img.drv'
ext4-fs.img> tribuchet: building on jamie
ext4-fs.img> Preparing store paths for image...
ext4-fs.img> Creating an EXT4 image of 836984832 bytes (numInodes=18819, numDataBlocks=166704)
ext4-fs.img> mke2fs 1.47.4 (6-Mar-2025)
ext4-fs.img> Discarding device blocks:      0/204544             done                            
ext4-fs.img> Creating filesystem with 204544 4k blocks and 51184 inodes
ext4-fs.img> Filesystem UUID: 44444444-4444-4444-8888-888888888888
ext4-fs.img> Superblock backups stored on blocks: 
ext4-fs.img> 	32768, 98304, 163840
ext4-fs.img> 
ext4-fs.img> Allocating group tables: 0/7   done                            
ext4-fs.img> Writing inode tables: 0/7   done                            
ext4-fs.img> Creating journal (4096 blocks): done
ext4-fs.img> Copying files into the device: done
ext4-fs.img> Writing superblocks and filesystem accounting information: 0/7   done
ext4-fs.img> 
ext4-fs.img> e2fsck 1.47.4 (6-Mar-2025)
ext4-fs.img> Pass 1: Checking inodes, blocks, and sizes
ext4-fs.img> Pass 2: Checking directory structure
ext4-fs.img> Pass 3: Checking directory connectivity
ext4-fs.img> Pass 4: Checking reference counts
ext4-fs.img> Pass 5: Checking group summary information
ext4-fs.img> niks3-bench: 17591/51184 files (0.1% non-contiguous), 155863/204544 blocks
ext4-fs.img> resize2fs 1.47.4 (6-Mar-2025)
ext4-fs.img> Resizing the filesystem on /nix/store/y8lnj1bgpbndmgkvvm4g7kqczwxcafm3-ext4-fs.img to 190238 (4k) blocks.
ext4-fs.img> The filesystem on /nix/store/y8lnj1bgpbndmgkvvm4g7kqczwxcafm3-ext4-fs.img is now 190238 (4k) blocks long.
ext4-fs.img> 
ext4-fs.img> dumpe2fs 1.47.4 (6-Mar-2025)
ext4-fs.img> resize2fs 1.47.4 (6-Mar-2025)
ext4-fs.img> Resizing the filesystem on /nix/store/y8lnj1bgpbndmgkvvm4g7kqczwxcafm3-ext4-fs.img to 194334 (4k) blocks.
ext4-fs.img> The filesystem on /nix/store/y8lnj1bgpbndmgkvvm4g7kqczwxcafm3-ext4-fs.img is now 194334 (4k) blocks long.
ext4-fs.img> 

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/niks3 attr=checks.x86_64-linux.package-benchmark-disk-image