I'm trying to follow the pipeline from vignette, but do not able to login to the MG-RAST server (login/pwd are valid, so I'm able to connect with Firefox):

login.info<-loginMgrast(user,userpwd)

Login failed, user name or password error
Warning message:
In if (grepl("page=AccountManagement", login, perl = TRUE)) { :
  the condition has length > 1 and only the first element will be used

> sessionInfo()
R version 3.2.2 (2015-08-14)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.10.5 (Yosemite)

locale:
[1] C/UTF-8/C/C/C/C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] mmnet_1.8.1  biom_0.3.12  igraph_1.0.1

loaded via a namespace (and not attached):
 [1] flexmix_2.3-13      Rcpp_0.12.3         XVector_0.10.0     
 [4] magrittr_1.5        zlibbioc_1.16.0     IRanges_2.4.7      
 [7] BiocGenerics_0.16.1 munsell_0.4.3       colorspace_1.2-6   
[10] lattice_0.20-33     R6_2.1.2            stringr_1.0.0      
[13] httr_1.1.0          plyr_1.8.3          tools_3.2.2        
[16] nnet_7.3-12         parallel_3.2.2      grid_3.2.2         
[19] Biobase_2.30.0      gtable_0.1.2        png_0.1-7          
[22] modeltools_0.2-21   RJSONIO_1.3-0       Matrix_1.2-3       
[25] reshape2_1.4.1      ggplot2_2.0.0       bitops_1.0-6       
[28] S4Vectors_0.8.11    RCurl_1.95-4.7      KEGGREST_1.10.1    
[31] stringi_1.0-1       scales_0.3.0        Biostrings_2.38.4  
[34] XML_3.98-1.3        stats4_3.2.2       
>