Local copy of remote index is up-to-date and will be used.
Calculating dependencies  
 * IMPORTANT: 10 news items need reading for repository 'gentoo'.
 * Use eselect news read to view new items.

...... done!
>>> Verifying ebuild manifests
>>> Jobs: 0 of 1 complete, 1 running                Load avg: 0.76, 1.42, 2.11
>>> Emerging (1 of 1) www-client/opera-developer-61.0.3268.0::gentoo
>>> Jobs: 0 of 1 complete, 1 running                Load avg: 0.76, 1.42, 2.11
>>> Failed to emerge www-client/opera-developer-61.0.3268.0, Log file:
>>> Jobs: 0 of 1 complete, 1 running                Load avg: 0.79, 1.41, 2.10
>>>  '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/temp/build.log'
>>> Jobs: 0 of 1 complete, 1 running                Load avg: 0.79, 1.41, 2.10
>>> Jobs: 0 of 1 complete, 1 running, 1 failed      Load avg: 0.79, 1.41, 2.10
>>> Jobs: 0 of 1 complete, 1 failed                 Load avg: 0.79, 1.41, 2.10

 * Package:    www-client/opera-developer-61.0.3268.0
 * Repository: gentoo
 * Maintainer: jer@gentoo.org
 * USE:        abi_x86_32 elibc_glibc kernel_linux l10n_be l10n_bg l10n_bn l10n_ca l10n_cs l10n_da l10n_de l10n_el l10n_en-GB l10n_es l10n_es-419 l10n_fi l10n_fil l10n_fr l10n_fr-CA l10n_hi l10n_hr l10n_hu l10n_id l10n_it l10n_ja l10n_ko l10n_lt l10n_lv l10n_ms l10n_nb l10n_nl l10n_pl l10n_pt-BR l10n_pt-PT l10n_ro l10n_ru l10n_sk l10n_sr l10n_sv l10n_sw l10n_ta l10n_te l10n_th l10n_tr l10n_uk l10n_vi l10n_zh-CN l10n_zh-TW userland_GNU x86
 * FEATURES:   preserve-libs sandbox usersandbox
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     4.19.29-calculate
>>> Unpacking source...
 * ERROR: www-client/opera-developer-61.0.3268.0::gentoo failed (unpack phase):
 *   Usage: unpack_deb <file>
 * 
 * Call stack:
 *     ebuild.sh, line  124:  Called src_unpack
 *   environment, line 3198:  Called unpack_deb
 *   environment, line 3894:  Called die
 * The specific snippet of code:
 *       [[ $# -eq 1 ]] || die "Usage: ${FUNCNAME} <file>";
 * 
 * If you need support, post the output of `emerge --info '=www-client/opera-developer-61.0.3268.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=www-client/opera-developer-61.0.3268.0::gentoo'`.
 * The complete build log is located at '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/temp/build.log'.
 * The ebuild environment file is located at '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/temp/environment'.
 * Working directory: '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/work'
 * S: '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/work'
 * Messages for package www-client/opera-developer-61.0.3268.0:
 * ERROR: www-client/opera-developer-61.0.3268.0::gentoo failed (unpack phase):
 *   Usage: unpack_deb <file>
 * 
 * Call stack:
 *     ebuild.sh, line  124:  Called src_unpack
 *   environment, line 3198:  Called unpack_deb
 *   environment, line 3894:  Called die
 * The specific snippet of code:
 *       [[ $# -eq 1 ]] || die "Usage: ${FUNCNAME} <file>";
 * 
 * If you need support, post the output of `emerge --info '=www-client/opera-developer-61.0.3268.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=www-client/opera-developer-61.0.3268.0::gentoo'`.
 * The complete build log is located at '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/temp/build.log'.
 * The ebuild environment file is located at '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/temp/environment'.
 * Working directory: '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/work'
 * S: '/var/calculate/tmp/portage/www-client/opera-developer-61.0.3268.0/work'