```
Duration: 0s
org.osbuild.mkfs.btrfs: f2c85520c575172c4fa7e17bb253f47a9d30cde4369ca4498d606134c690af69 {
  "uuid": "94890157-66f9-4a85-ae83-cfc1535d44db",
  "label": "root"
}
device/device (org.osbuild.loopback): loop6 acquired (locked: True)
WARNING: failed to open /dev/btrfs-control, skipping device registration: No such file or directory
btrfs-progs v6.12
See https://btrfs.readthedocs.io for more information.

Performing full device TRIM /dev/loop6 (15.22GiB) ...
NOTE: several default settings have changed in version 5.15, please make sure
      this does not affect your deployments:
      - DUP for metadata (-m dup)
      - enabled no-holes (-O no-holes)
      - enabled free-space-tree (-R free-space-tree)

Label:              root
UUID:               94890157-66f9-4a85-ae83-cfc1535d44db
Node size:          16384
Sector size:        4096	(CPU page size: 4096)
Filesystem size:    15.22GiB
Block group profiles:
  Data:             single            8.00MiB
  Metadata:         DUP             256.00MiB
  System:           DUP               8.00MiB
SSD detected:       yes
Zoned device:       no
Features:           extref, skinny-metadata, no-holes, free-space-tree
Checksum:           crc32c
Number of devices:  1
Devices:
   ID        SIZE  PATH      
    1    15.22GiB  /dev/loop6


⏱  Duration: 0s
org.osbuild.btrfs.subvol: 2dce2a35acc57003068f66522c94cde1be5c5b9072770b68a6b9d1f929620c58 {
  "subvolumes": [
    {
      "name": "/root"
    }
  ]
}
device/device (org.osbuild.loopback): loop6 acquired (locked: True)
mount/volume (org.osbuild.btrfs): mounting /dev/loop6 -> /store/tmp/buildroot-tmp-0v27wl_a/mounts/
Create subvolume '/run/osbuild/mounts/root'
mount/volume (org.osbuild.btrfs): umount: /store/tmp/buildroot-tmp-0v27wl_a/mounts/ unmounted

⏱  Duration: 0s
org.osbuild.bootc.install-to-filesystem: b4abbc1b464ad89f0348a92a645c46163ee95c12e95d2aa1e6df1b923a12153a {
  "kernel-args": [
    "rw",
    "console=tty0",
    "console=ttyS0"
  ],
  "target-imgref": "ghcr.io/m2giles/m2os:cosmic"
}
device/disk (org.osbuild.loopback): loop6 acquired (locked: False)
mount/- (org.osbuild.btrfs): mounting /dev/loop6p4 -> /store/tmp/buildroot-tmp-qqre3kl9/mounts/
mount/boot (org.osbuild.ext4): mounting /dev/loop6p3 -> /store/tmp/buildroot-tmp-qqre3kl9/mounts/boot
mount/boot-efi (org.osbuild.fat): mounting /dev/loop6p2 -> /store/tmp/buildroot-tmp-qqre3kl9/mounts/boot/efi
Mount transient overlayfs for /etc/containers
Creating bind mount for run/osbuild/containers
Installing image: docker://ghcr.io/m2giles/m2os:cosmic
Initializing ostree layout
layers already present: 0; layers needed: 73 (8.2 GB)
```