cabal v2-install hie-bios -v2                                                                                                               ✘ 1
Reading available packages of hackage.haskell.org...
Using most recent state specified from most recent cabal update
index-state(hackage.haskell.org) = 2020-10-05T00:24:47Z
/usr/bin/ghc --numeric-version
looking for tool ghc-pkg near compiler in /usr/bin
found ghc-pkg in /usr/bin/ghc-pkg
/usr/bin/ghc-pkg --version
/usr/bin/ghc --supported-languages
/usr/bin/ghc --info
creating /tmp/cabal-install.-11759/dist-newstyle
creating /tmp/cabal-install.-11759/dist-newstyle/cache
Compiler settings changed, reconfiguring...
/usr/bin/ghc --numeric-version
looking for tool ghc-pkg near compiler in /usr/bin
found ghc-pkg in /usr/bin/ghc-pkg
/usr/bin/ghc-pkg --version
/usr/bin/ghc --supported-languages
/usr/bin/ghc --info
/usr/bin/ghc --print-global-package-db
Reading available packages of hackage.haskell.org...
Using most recent state specified from most recent cabal update
index-state(hackage.haskell.org) = 2020-10-05T00:24:47Z
/usr/bin/pkg-config --version
/usr/bin/pkg-config --variable pc_path pkg-config
/usr/bin/pkg-config --version
/usr/bin/pkg-config --list-all
/usr/bin/pkg-config --modversion numa fontconfig xau glx opengl xrender xpm xfixes xext gmp gmpxx xdamage xcursor xcomposite xscrnsaver xrandr xinerama xi zlib expat bzip2 graphite2 xtst libpng16 libpng xft glu xcb-composite xcb-damage xcb-dpms xcb-dri2 xcb-dri3 xcb-glx xcb-present xcb-randr xcb-record xcb-render xcb-res xcb-screensaver xcb-shape xcb-shm xcb-sync xcb-xf86dri xcb-xfixes xcb-xinerama xcb-xinput xcb-xkb xcb-xtest xcb-xv xcb-xvmc xcb cairo-egl cairo-fc cairo-ft cairo-gl cairo-glx cairo-gobject cairo-pdf cairo-png cairo-ps cairo-script cairo-svg cairo-tee cairo-xcb-shm cairo-xcb cairo-xlib-xrender cairo-xlib cairo libcrypt libsepol libselinux glut wayland-client wayland-cursor wayland-egl-backend wayland-egl wayland-scanner wayland-server dbusmenu-glib-0.4 egl dbusmenu-gtk3-0.4 glesv2 glesv1_cm gl liblzma libffi blkid uuid mount libpcre libpcre16 libpcrecpp libpcreposix libcrypto libssl openssl gobject-introspection-1.0 gobject-introspection-no-export-1.0 pixman-1 icu-i18n icu-io icu-uc freetype2 libpcre2-16 libpcre2-32 libpcre2-8 libpcre2-posix alsa dbus-glib-1 form formw menu menuw 'ncurses++' 'ncurses++w' ncurses ncursesw panel panelw tic tinfo fribidi gail-3.0 'gtk+-unix-print-3.0' gdk-3.0 gdk-broadway-3.0 gdk-wayland-3.0 gdk-x11-3.0 'gtk+-3.0' 'gtk+-broadway-3.0' 'gtk+-wayland-3.0' 'gtk+-x11-3.0' yaml-0.1 dbus-1 libdrm libdrm_amdgpu libdrm_intel libdrm_nouveau libdrm_radeon osmesa epoxy atk atk-bridge-2.0 gdk-pixbuf-2.0 gdk-pixbuf-xlib-2.0 vte-2.91 x11-xcb x11 libthai libglvnd python-3.8-embed python-3.8 python3-embed python3 blosc datrie-0.2 libbrotlicommon libbrotlidec libbrotlienc libxcrypt libsodium libsystemd xkbcommon gbm dri libelf libdw gio-2.0 gio-unix-2.0 glib-2.0 gmodule-no-export-2.0 gobject-2.0 gthread-2.0 gmodule-2.0 gmodule-export-2.0 harfbuzz-gobject harfbuzz-icu harfbuzz-subset harfbuzz atspi-2 pango pangocairo pangofc pangoft2 pangoot pangoxft poppler-data applewmproto bigreqsproto compositeproto damageproto dmxproto dri2proto dri3proto fixesproto fontsproto glproto inputproto kbproto presentproto randrproto recordproto renderproto resourceproto scrnsaverproto videoproto xcmiscproto xextproto xf86bigfontproto xf86dgaproto xf86driproto xf86vidmodeproto xineramaproto xproto wayland-protocols dracut dpmsproto adwaita-icon-theme mobile-broadband-provider-info xkeyboard-config shared-mime-info systemd udev
Resolving dependencies...
CallStack (from HasCallStack):
  die', called at ./Distribution/Client/ProjectPlanning.hs:579:42 in main:Distribution.Client.ProjectPlanning
cabal: Could not resolve dependencies:
[__0] trying: hie-bios-0.7.1 (user goal)
[__1] trying: ghc-8.10.1 (dependency of hie-bios)
[__2] next goal: base (dependency of hie-bios)
[__2] rejecting: base-4.14.1.0/installed-4.14.1.0 (conflict: ghc => base<0 &&
==4.14.*)
[__2] skipping: base-4.14.0.0, base-4.13.0.0, base-4.12.0.0, base-4.11.1.0,
base-4.11.0.0, base-4.10.1.0, base-4.10.0.0, base-4.9.1.0, base-4.9.0.0,
base-4.8.2.0, base-4.8.1.0, base-4.8.0.0, base-4.7.0.2, base-4.7.0.1,
base-4.7.0.0, base-4.6.0.1, base-4.6.0.0, base-4.5.1.0, base-4.5.0.0,
base-4.4.1.0, base-4.4.0.0, base-4.3.1.0, base-4.3.0.0, base-4.2.0.2,
base-4.2.0.1, base-4.2.0.0, base-4.1.0.0, base-4.0.0.0, base-3.0.3.2,
base-3.0.3.1 (has the same characteristics that caused the previous version to
fail: excluded by constraint '<0 && ==4.14.*' from 'ghc')
[__2] fail (backjumping, conflict set: base, ghc, hie-bios)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: base (57), ghc (57), hie-bios (48)