R：パッケージの読み込みが出来ない [unzip(zipname, exdir = dest) でエラー: 'exdir' がありません]

前提・実現したいこと

Rでパッケージの読み込みを行いたいのですが、

> install.packages("パッケージ名")

と入力すると、

WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
Installing package into ‘C:/Users/username/OneDrive/ドキュメント/R/win-library/3.6’
(as ‘lib’ is unspecified)
also installing the dependencies ‘ps’, ‘plyr’, ‘farver’, ‘labeling’, ‘munsell’, ‘RColorBrewer’, ‘lifecycle’, ‘processx’, ‘ellipsis’, ‘vctrs’, ‘clipr’, ‘BH’, ‘glue’, ‘purrr’, ‘rematch’, ‘prettyunits’, ‘assertthat’, ‘utf8’, ‘gtable’, ‘reshape2’, ‘scales’, ‘viridisLite’, ‘withr’, ‘callr’, ‘forcats’, ‘hms’, ‘readr’, ‘rlang’, ‘tidyselect’, ‘cellranger’, ‘progress’, ‘zip’, ‘stringi’, ‘cli’, ‘crayon’, ‘fansi’, ‘pillar’, ‘pkgconfig’, ‘colorspace’, ‘estimability’, ‘yaml’, ‘digest’, ‘evaluate’, ‘highr’, ‘markdown’, ‘stringr’, ‘xfun’, ‘httpuv’, ‘mime’, ‘xtable’, ‘R6’, ‘sourcetools’, ‘later’, ‘promises’, ‘fastmap’, ‘lazyeval’, ‘ggplot2’, ‘miniUI’, ‘base64enc’, ‘webshot’, ‘DBI’, ‘magrittr’, ‘sp’, ‘haven’, ‘curl’, ‘data.table’, ‘readxl’, ‘openxlsx’, ‘tibble’, ‘minqa’, ‘nloptr’, ‘Rcpp’, ‘RcppEigen’, ‘effects’, ‘bdsmatrix’, ‘zoo’, ‘htmlwidgets’, ‘htmltools’, ‘knitr’, ‘jsonlite’, ‘shiny’, ‘crosstalk’, ‘manipulateWidget’, ‘numDeriv’, ‘mitools’, ‘carData’, ‘abind’, ‘pbkrtest’, ‘quantreg’, ‘maptools’, ‘rio’, ‘lme4’, ‘alr4’, ‘coxme’, ‘leaps’, ‘lmtest’, ‘MatrixModels’, ‘rgl’, ‘sandwich’, ‘SparseM’, ‘survey’

  There are binary versions available but the source versions
  are later:
    binary source needs_compilation
cli  2.0.1  2.0.2             FALSE
sp   1.4-0  1.4-1              TRUE

  Binaries will be installed

と出力された後にダウンロードがされるのですが、最後に

Error in install.packages :  'exdir' がありません

と、どのパッケージを読み込む際にもこのようなエラーメッセージが発生しました。

試したこと

> .libPaths()
[1] "C:/Users/(username)/OneDrive/ドキュメント/R/win-library/3.6"
[2] "C:/Program Files/R/R-3.6.2/library"
> .libPaths("./library")
> .libPaths()
[1] "C:/Program Files/R/R-3.6.2/library"
> install.packages("car")
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
Warning in install.packages :
  'lib = "C:/Program Files/R/R-3.6.2/library"' is not writable
Warning in install.packages :
   ディレクトリ 'C:\Users\username\OneDrive??????' を作成できません、理由は 'Invalid argument' です 
Error in install.packages : unable to create ‘C:/Users/username/OneDrive/??????/R/win-library/3.6’

pathを変更して読み込もうとしましたが、出来ませんでした。
https://qiita.com/ysk24ok/items/66a4c4ca637952f3f540 を参照