Arch Linux

Description:

# pacstrap /mnt base
gives one warning (perl: warning: Setting locale failed), one error (( 9/13) Creating temporary files...error: command failed to execute correctly)

Steps to reproduce:
1. create a new partition on a usb drive
2. mount it
3. execut pacstrap

# pacstrap /mnt base
...
:: Running post-transaction hooks...
( 1/13) Updating linux module dependencies...
( 2/13) Updating linux initcpios...
==> Building image from preset: /etc/mkinitcpio.d/linux.preset: 'default'
-> -k /boot/vmlinuz-linux -c /etc/mkinitcpio.conf -g /boot/initramfs-linux.img
==> Starting build: 4.20.0-arch1-1-ARCH
-> Running build hook: [base]
-> Running build hook: [udev]
-> Running build hook: [autodetect]
-> Running build hook: [modconf]
-> Running build hook: [block]
-> Running build hook: [filesystems]
-> Running build hook: [keyboard]
-> Running build hook: [fsck]
==> Generating module dependencies
==> Creating gzip-compressed initcpio image: /boot/initramfs-linux.img
bsdcpio: Failed to set default locale
==> Image generation successful
==> Building image from preset: /etc/mkinitcpio.d/linux.preset: 'fallback'
-> -k /boot/vmlinuz-linux -c /etc/mkinitcpio.conf -g /boot/initramfs-linux-fallback.img -S autodetect
==> Starting build: 4.20.0-arch1-1-ARCH
-> Running build hook: [base]
-> Running build hook: [udev]
-> Running build hook: [modconf]
-> Running build hook: [block]
==> WARNING: Possibly missing firmware for module: aic94xx
==> WARNING: Possibly missing firmware for module: wd719x
-> Running build hook: [filesystems]
-> Running build hook: [keyboard]
-> Running build hook: [fsck]
==> Generating module dependencies
==> Creating gzip-compressed initcpio image: /boot/initramfs-linux-fallback.img
bsdcpio: Failed to set default locale
==> Image generation successful
( 3/13) Warn about old perl modules
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LC_MEASUREMENT = "de_CH.UTF-8",
LC_PAPER = "de_CH.UTF-8",
LC_MONETARY = "de_CH.UTF-8",
LC_NUMERIC = "de_CH.UTF-8",
LC_TIME = "de_CH.UTF-8",
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
( 4/13) Updating journal message catalog...
( 5/13) Reloading system manager configuration...
Skipped: Current root is not booted.
( 6/13) Updating udev hardware database...
( 7/13) Applying kernel sysctl settings...
Skipped: Current root is not booted.
( 8/13) Creating system user accounts...
( 9/13) Creating temporary files...
error: command failed to execute correctly
(10/13) Reloading device manager configuration...
Skipped: Device manager is not running.
(11/13) Arming ConditionNeedsUpdate...
(12/13) Updating the info directory file...
(13/13) Rebuilding certificate stores...