packrat_0.4.7-12, Ubuntu 14.04.1 LTS, could not fetch archived packages from local repository

[Saptarshi Pyne]

Created a new folder named 'PSM3'.

sap@sap:/media/sap/Data/Dropbox/Dropbox/Projects/Paul$ mkdir PSM3 # folder for my new project
sap@sap:/media/sap/Data/Dropbox/Dropbox/Projects/Paul$ cd PSM3

sap@sap:/media/sap/Data/Dropbox/Dropbox/Projects/Paul/PSM3$ R

> packrat::init() # Inside 'PSM3' folder
...

Initialization complete!

Packrat mode on. Using library in directory:

- "/media/sap/Data/Dropbox/Dropbox/Projects/Paul/PSM3/packrat/lib"

> packrat::set_opts(auto.snapshot = FALSE)

# Copied an older version of BiocGenerics package source into 'PSM3' folder before running the next command 
> install.packages('BiocGenerics_0.14.0.tar.gz', repos = NULL, type="source")
...
* DONE (BiocGenerics)

> packrat::status()

Up to date.

> packrat::snapshot()

Adding these packages to packrat:

                 _       

    BiocGenerics   0.14.0

Fetching sources for BiocGenerics (0.14.0) ... ^Z

[1]+  Stopped                 R

The last command was in execution for half an hour. So I forcefully killed it. The sessionInfo() is given below and the complete terminal log is attached herein.

Thank you in advance for your time and help.

> sessionInfo()

R version 3.3.0 (2016-05-03)

Platform: x86_64-pc-linux-gnu (64-bit)

Running under: Ubuntu 14.04.1 LTS

locale:

 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C              

 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8    

 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8   

 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C                 

 [9] LC_ADDRESS=C               LC_TELEPHONE=C            

[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C       

attached base packages:

[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):

[1] tools_3.3.0      packrat_0.4.7-12