conda install Solving environment: \ Killed

conda install -c conda-forge r-devtools

报错：Solving environment: \ Killed

Solving environment: \ Killed - Product Help - Anaconda Community?中的方法无用

install.packages('devtools')

报错：

ERROR: dependencies ‘usethis’, ‘pkgdown’, ‘rcmdcheck’, ‘rversions’, ‘urlchecker’ are not available for package ‘devtools’

依次安装依赖conda install r-usethis,r-pkgdown

最终，解决问题，

install.packages('devtools')