Error in i.p(...) : (converted from warning) installation of package about threadr HOT 1 CLOSED

# the reason repos is cloud.r-project is because, this is what was used for build
install.packages("dplyr", version = "1.0.1", repos = "https://cloud.r-project.org")
install.packages("hms", repos = "https://cloud.r-project.org")
install.packages("ggplot2", repos = "https://cloud.r-project.org")

==> devtools::check()

Updating threadr documentation
Warning: Version of roxygen2 last used with this package is 7.1.1.  You only have version 6.1.1
Writing NAMESPACE
Loading threadr
Loading required package: stringr
Loading required package: lubridate

Attaching package: ‘lubridate’

The following object is masked from ‘package:base’:

    date

Loading required package: dplyr

Attaching package: ‘dplyr’

The following objects are masked from ‘package:lubridate’:

    intersect, setdiff, union

The following objects are masked from ‘package:stats’:

    filter, lag

The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union

Warning: dplyr_re_exports.R:7: Missing name
Warning: dplyr_re_exports.R:24: Missing name
Warning: stats_and_utils_re_exports.R:4: Missing name
Warning: stats_and_utils_re_exports.R:10: Missing name
Warning: stats_and_utils_re_exports.R:16: Missing name
Warning: zzz.R:3: Missing name
Writing NAMESPACE
── Building ─────────────────────────────────────────────────────────────────────────────────────────────────────── threadr ──
Setting env vars:
● CFLAGS    : -Wall -pedantic -fdiagnostics-color=always
● CXXFLAGS  : -Wall -pedantic -fdiagnostics-color=always
● CXX11FLAGS: -Wall -pedantic -fdiagnostics-color=always
──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
✔  checking for file ‘/home/rstudio/threadr/DESCRIPTION’ (335ms)
─  preparing ‘threadr’:
✔  checking DESCRIPTION meta-information ...
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
─  building ‘threadr_0.9.002.tar.gz’
   
── Checking ─────────────────────────────────────────────────────────────────────────────────────────────────────── threadr ──
Setting env vars:
● _R_CHECK_CRAN_INCOMING_REMOTE_: FALSE
● _R_CHECK_CRAN_INCOMING_       : FALSE
● _R_CHECK_FORCE_SUGGESTS_      : FALSE
── R CMD check ─────────────────────────────────────────────────────────────────
─  using log directory ‘/home/rstudio/threadr.Rcheck’ (367ms)
─  using R version 3.5.2 (2018-12-20)
─  using platform: x86_64-pc-linux-gnu (64-bit)
─  using session charset: UTF-8
─  using options ‘--no-manual --as-cran’
✔  checking for file ‘threadr/DESCRIPTION’
─  checking extension type ... Package
─  this is package ‘threadr’ version ‘0.9.002’
─  package encoding: UTF-8
✔  checking package namespace information ...
N  checking package dependencies (3.4s)
   Packages suggested but not available for checking: ‘jpeg’ ‘systemr’
✔  checking if this is a source package
✔  checking if there is a namespace
✔  checking for executable files (1.2s)
✔  checking for hidden files and directories
✔  checking for portable file names ...
✔  checking for sufficient/correct file permissions
✔  checking serialization versions
✔  checking whether package ‘threadr’ can be installed (4.3s)
✔  checking installed package size ...
✔  checking package directory ...
✔  checking DESCRIPTION meta-information (401ms)
✔  checking top-level files
✔  checking for left-over files
✔  checking index information
✔  checking package subdirectories ...
✔  checking R files for non-ASCII characters ...
✔  checking R files for syntax errors ...
✔  checking whether the package can be loaded (867ms)
✔  checking whether the package can be loaded with stated dependencies (892ms)
✔  checking whether the package can be unloaded cleanly (853ms)
✔  checking whether the namespace can be loaded with stated dependencies (595ms)
✔  checking whether the namespace can be unloaded cleanly (704ms)
✔  checking loading without being on the library search path (923ms)
N  checking dependencies in R code (2.4s)
   Package in Depends field not imported from: ‘lubridate’
     These packages need to be imported from (in the NAMESPACE file)
     for when this namespace is loaded but not attached.
   Missing or unexported object: ‘stringr::str_to_sentence’
✔  checking S3 generic/method consistency (1.8s)
✔  checking replacement functions (817ms)
✔  checking foreign function calls (1.1s)
✔  checking R code for possible problems (8s)
✔  checking Rd files (542ms)
✔  checking Rd metadata ...
✔  checking Rd line widths (377ms)
N  checking Rd cross-references (3.7s)
   Package unavailable to check Rd xrefs: ‘openair’
✔  checking for missing documentation entries (885ms)
✔  checking for code/documentation mismatches (2.9s)
✔  checking Rd \usage sections (2.7s)
✔  checking Rd contents (424ms)
✔  checking for unstated dependencies in examples (479ms)
✔  checking examples (5.4s)
✔  checking for unstated dependencies in ‘tests’ ...
─  checking tests ...
✔  Running ‘testthat.R’
   
   See
     ‘/home/rstudio/threadr.Rcheck/00check.log’
   for details.
   
   
── R CMD check results ──────────────────────────────────── threadr 0.9.002 ────
Duration: 50.4s

❯ checking package dependencies ... NOTE
  Packages suggested but not available for checking: ‘jpeg’ ‘systemr’

❯ checking dependencies in R code ... NOTE
  Package in Depends field not imported from: ‘lubridate’
    These packages need to be imported from (in the NAMESPACE file)
    for when this namespace is loaded but not attached.
  Missing or unexported object: ‘stringr::str_to_sentence’

❯ checking Rd cross-references ... NOTE
  Package unavailable to check Rd xrefs: ‘openair’

0 errors ✔ | 0 warnings ✔ | 3 notes ✖

R CMD check succeeded

==> R CMD INSTALL --no-multiarch --with-keep.source threadr

* installing to library ‘/usr/local/lib/R/site-library’
* installing *source* package ‘threadr’ ...
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** testing if installed package can be loaded
* DONE (threadr)