Installer fails on Fedora Silverblue (Bluefin in my case)

## Error ``` Error: 0: Install failure 1: Error executing action 2: Action `start_systemd_unit` errored 3: Failed to execute command `"systemctl" "start" "nix.mount"` stdout: stderr: Failed to start nix.mount: Unit nix-directory.service failed to load properly, please adjust/correct and reload service manager: Device or resource busy See system logs and 'systemctl status nix.mount' for details. exited with status code: 1 ``` ## Metadata |key|value| |--|--| |**version**|3.16.0| |**os**|linux| |**arch**|x86_64| --- Here is everything: ``` $ curl -fsSL https://install.determinate.systems/nix | sh -s -- install info: downloading the Determinate Nix Installer INFO nix-installer v3.16.0 `nix-installer` needs to run as `root`, attempting to escalate now via `sudo`... [sudo] contraseña para ulizv: INFO nix-installer v3.16.0 Nix install plan (v3.16.0) Planner: ostree (with default settings) Planned actions: * Run `systemctl daemon-reload` * Create directory `/var/home/nix` * Create or overwrite file `/etc/systemd/system/nix-directory.service` * Create or overwrite file `/etc/systemd/system/nix.mount` * Create or overwrite file `/etc/systemd/system/ensure-symlinked-units-resolve.service` * Enable (and start) the systemd unit `nix.mount` * Install Determinate Nixd * Extract the bundled Nix (originally from /nix/store/s1v6f2nnszx6wr2r8wdcchfw4vp0aamp-nix-binary-tarball-3.16.0/nix-3.16.0-x86_64-linux.tar.xz) to `/nix/temp-install-dir` * Create a directory tree in `/nix` * Synchronize /nix/var ownership * Move the downloaded Nix into `/nix` * Synchronize /nix/store ownership * Create build users (UID 30001-30032) and group (GID 30000) * Setup the default Nix profile * Place the Nix configuration in `/etc/nix/nix.conf` * Configure the shell profiles * Install an SELinux Policy for Nix * Configure the Determinate Nix daemon * Enable (and start) the systemd unit `ensure-symlinked-units-resolve.service` * Remove directory `/nix/temp-install-dir` * Run `systemctl daemon-reload` Proceed? ([Y]es/[n]o/[e]xplain): y INFO Step: Run `systemctl daemon-reload` INFO Step: Create directory `/var/home/nix` INFO Step: Create or overwrite file `/etc/systemd/system/nix-directory.service` INFO Step: Create or overwrite file `/etc/systemd/system/nix.mount` INFO Step: Create or overwrite file `/etc/systemd/system/ensure-symlinked-units-resolve.service` INFO Step: Enable (and start) the systemd unit `nix.mount` ERROR Error saving receipt: RecordingReceipt("/nix", Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }) ERROR 0: \x1b[91mInstall failure\x1b[0m 1: \x1b[91mError executing action\x1b[0m 2: \x1b[91mAction `start_systemd_unit` errored\x1b[0m 3: \x1b[91mFailed to execute command `"systemctl" "start" "nix.mount"` stdout: stderr: Failed to start nix.mount: Unit nix-directory.service failed to load properly, please adjust/correct and reload service manager: Device or resource busy See system logs and 'systemctl status nix.mount' for details. exited with status code: 1 \x1b[0m Location: \x1b[35m/build/nix-installer-source/src/cli/subcommand/install/mod.rs\x1b[0m:\x1b[35m234\x1b[0m Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it. Run with RUST_BACKTRACE=full to include source snippets. Consider reporting this error using this URL: https://github.com/DeterminateSystems/nix-installer/issues/new?title=%3Cautogenerated-issue%3E&body=%23%23+Error%0A%60%60%60%0AError%3A+%0A+++0%3A+Install+failure%0A+++1%3A+Error+executing+action%0A+++2%3A+Action+%60start_systemd_unit%60+errored%0A+++3%3A+Failed+to+execute+command+%60%22systemctl%22+%22start%22+%22nix.mount%22%60%0A++++++stdout%3A+%0A++++++stderr%3A+Failed+to+start+nix.mount%3A+Unit+nix-directory.service+failed+to+load+properly%2C+please+adjust%2Fcorrect+and+reload+service+manager%3A+Device+or+resource+busy%0A++++++See+system+logs+and+%27systemctl+status+nix.mount%27+for+details.%0A%0A++++++exited+with+status+code%3A+1%0A%0A%60%60%60%0A%0A%23%23+Metadata%0A%7Ckey%7Cvalue%7C%0A%7C--%7C--%7C%0A%7C**version**%7C3.16.0%7C%0A%7C**os**%7Clinux%7C%0A%7C**arch**%7Cx86_64%7C%0A Installation failure, offering to revert... Nix uninstall plan (v3.16.0) Planner: ostree (with default settings) Planned actions: * Remove the directory `/etc/tmpfiles.d` if no other contents exists * Disable (and stop) the systemd unit `nix.mount` * Delete file `/etc/systemd/system/ensure-symlinked-units-resolve.service` * Delete file `/etc/systemd/system/nix.mount` * Delete file `/etc/systemd/system/nix-directory.service` * Remove the directory `/var/home/nix` * Run `systemctl daemon-reload` Proceed? ([Y]es/[n]o/[e]xplain): y INFO Revert: Run `systemctl daemon-reload` INFO Revert: Remove directory `/nix/temp-install-dir` INFO Revert: Enable (and start) the systemd unit `ensure-symlinked-units-resolve.service` INFO Revert: Configure the Determinate Nix daemon INFO Revert: Create directory `/etc/tmpfiles.d` INFO Revert: Install an SELinux Policy for Nix INFO Revert: Configure Nix INFO Revert: Create build users (UID 30001-30032) and group (GID 30000) INFO Revert: Provision Nix INFO Revert: Install Determinate Nixd INFO Revert: Enable (and start) the systemd unit `nix.mount` INFO Revert: Create or overwrite file `/etc/systemd/system/ensure-symlinked-units-resolve.service` INFO Revert: Create or overwrite file `/etc/systemd/system/nix.mount` INFO Revert: Create or overwrite file `/etc/systemd/system/nix-directory.service` INFO Revert: Create directory `/var/home/nix` INFO Revert: Run `systemctl daemon-reload` Partial Nix install was uninstalled successfully! ```