Repositories synchronization
 * Checking current binhost[?25l |/-\|  [?12l[?25h ... [ ok ]
 * Checking Distros updates[?25l |/-  [?12l[?25h ... [ ok ]
 * Checking Calculate updates[?25l |/-  [?12l[?25h ... [ ok ]
 * Checking Gentoo updates[?25l |/  [?12l[?25h ... [ ok ]
 * Update packages index[?25l |/-\|/-  [?12l[?25h ... [ ok ]
 * Check packages index signature[?25l |/-\  [?12l[?25h ... [ ok ]
 * Synchronization finished
System configuration
 * Update server https://mirror.koddos.net/calculate-linux
 * Fixing the settings[?25l |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/  [?12l[?25h ... [ ok ]
 * Updating configuration files[?25l |/  [?12l[?25h ... [ ok ]
Updating packages
 * Calculating dependencies[?25l |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|  [?12l[?25h ... [ ok ]

not be installed simultaneously. You may want to try a larger value of
the --backtrack option, such as --backtrack=30, in order to see if
that will solve this conflict automatically.

For more information, see MASKED PACKAGES section in the emerge man
page or refer to the Gentoo Handbook.

!!! Problems have been detected with your world file
!!! Please run emaint --check world

!!! Ebuilds for the following packages are either all
!!! masked or don't exist:
media-sound/strawberry

!!! All ebuilds that could satisfy "dev-python/mako[python_targets_python3_9(-)]" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-python/mako-1.1.6::gentoo (masked by: EAPI 8)
- dev-python/mako-1.1.6 (masked by: EAPI 8)

The current version of portage supports EAPI '7'. You must upgrade to a
newer version of portage before EAPI masked packages can be installed.
(dependency required by "dev-libs/gobject-introspection-1.70.0-r1::calculate" [binary])
(dependency required by "media-libs/harfbuzz-2.6.5::gentoo" [installed])
(dependency required by "dev-qt/qtgui-5.14.2::gentoo" [installed])
(dependency required by "dev-qt/qtx11extras-5.14.2::gentoo" [installed])
(dependency required by "@autodeps" [set])
(dependency required by "@selected" [set])
(dependency required by "@world" [argument])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.
 * Emerge failed
 * Update failed