this derivation will be built:
  /nix/store/3ikvgf6hc967z5n50mf3h7gpidlrp64h-bcachefs-module-7.0.0-34-generic-64k.drv
building '/nix/store/3ikvgf6hc967z5n50mf3h7gpidlrp64h-bcachefs-module-7.0.0-34-generic-64k.drv'...
error: Cannot build '/nix/store/3ikvgf6hc967z5n50mf3h7gpidlrp64h-bcachefs-module-7.0.0-34-generic-64k.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/svd2bf2cyd08siacan0akck42h9k3g2x-bcachefs-module-7.0.0-34-generic-64k
       Last 25 log lines:
       >  1469 | static inline bool bdev_rot(struct block_device *bdev)
       >       |                    ^~~~~~~~
       > In file included from ./src/fs/bcachefs/util/vstructs.h:5,
       >                  from ./src/fs/bcachefs/bcachefs_format.h:81,
       >                  from ./src/fs/bcachefs/bcachefs.h:57,
       >                  from src/fs/bcachefs/alloc/buckets.c:8:
       > ./src/fs/bcachefs/util/util.h:64:20: error: redefinition of 'bdev_rot'
       >    64 | static inline bool bdev_rot(struct block_device *bdev)
       >       |                    ^~~~~~~~
       > In file included from ./src/fs/bcachefs/util/util.h:6:
       > /build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/include/linux/blkdev.h:1469:20: note: previous definition of 'bdev_rot' with type 'bool(struct block_device *)' {aka '_Bool(struct block_device *)'}
       >  1469 | static inline bool bdev_rot(struct block_device *bdev)
       >       |                    ^~~~~~~~
       > make[5]: *** [/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/scripts/Makefile.build:289: src/fs/bcachefs/alloc/accounting.o] Error 1
       > make[5]: *** Waiting for unfinished jobs....
       > make[5]: *** [/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/scripts/Makefile.build:289: src/fs/bcachefs/alloc/buckets.o] Error 1
       > make[5]: *** [/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/scripts/Makefile.build:289: src/fs/bcachefs/alloc/background.o] Error 1
       > make[5]: *** [/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/scripts/Makefile.build:289: src/fs/bcachefs/alloc/backpointers.o] Error 1
       > make[4]: *** [/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/scripts/Makefile.build:548: src/fs/bcachefs] Error 2
       > make[3]: *** [/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/Makefile:2134: .] Error 2
       > make[2]: *** [/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k/Makefile:248: __sub-make] Error 2
       > make[2]: Leaving directory '/build/bcachefs-dkms-src'
       > make[1]: *** [Makefile:248: __sub-make] Error 2
       > make[1]: Leaving directory '/build/bcachefs-dkms-src/kdir/headers/linux-headers-7.0.0-34-generic-64k'
       > make: *** [Makefile:9: default] Error 2
       For full logs, run:
         nix log /nix/store/3ikvgf6hc967z5n50mf3h7gpidlrp64h-bcachefs-module-7.0.0-34-generic-64k.drv