Problems with news in ‘NEWS.md’:
No news entries found.
Problems with news in ‘NEWS.md’:
No news entries found.
Imports includes 32 non-default packages.
Importing from so many packages makes the package vulnerable to any of
them becoming unavailable.  Move as many as possible to Suggests and
use conditionally.
Problems with news in ‘NEWS.md’:
No news entries found.
Namespace in Imports field not imported from: ‘htmltools’
  All declared Imports should be used.
Running ‘testthat.R’
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(dragon)
  > 
  > test_check("dragon")
  Error in `FUN()`:
  ! In path: "/data/gannet/ripley/R/packages/tests-clang/dragon.Rcheck/tests/testthat/setup_test-settings.R"
  Caused by error in `read.graph.ncol()`:
  ! INTEGER() can only be applied to a 'integer', not a 'double'
  Backtrace:
       ▆
    1. ├─testthat::test_check("dragon")
    2. │ └─testthat::test_dir(...)
    3. │   └─testthat:::test_files(...)
    4. │     └─testthat:::test_files_serial(...)
    5. │       └─testthat:::test_files_setup_state(...)
    6. │         └─testthat::source_test_setup(".", env)
    7. │           └─testthat::source_dir(path, "^setup.*\\.[rR]$", env = env, wrap = FALSE)
    8. │             └─base::lapply(...)
    9. │               └─testthat (local) FUN(X[[i]], ...)
   10. │                 └─testthat::source_file(path, env = env, chdir = chdir, wrap = wrap)
   11. │                   ├─base::withCallingHandlers(...)
   12. │                   └─base::eval(exprs, env)
   13. │                     └─base::eval(exprs, env)
   14. │                       └─igraph::read_graph("graph_by_redox.igraph", format = "ncol") at tests/testthat/setup_test-settings.R:8:1
   15. │                         └─igraph:::read.graph.ncol(file, ...)
   16. └─base::.handleSimpleError(...)
   17.   └─testthat (local) h(simpleError(msg, call))
   18.     └─rlang::abort(...)
  Execution halted
Problems with news in ‘NEWS.md’:
No news entries found.
Namespace in Imports field not imported from: ‘htmltools’
  All declared Imports should be used.
Running ‘testthat.R’ [4s/11s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(dragon)
  > 
  > test_check("dragon")
  Error in `FUN()`:
  ! In path: "/data/gannet/ripley/R/packages/tests-devel/dragon.Rcheck/tests/testthat/setup_test-settings.R"
  Caused by error in `read.graph.ncol()`:
  ! INTEGER() can only be applied to a 'integer', not a 'double'
  Backtrace:
       ▆
    1. ├─testthat::test_check("dragon")
    2. │ └─testthat::test_dir(...)
    3. │   └─testthat:::test_files(...)
    4. │     └─testthat:::test_files_serial(...)
    5. │       └─testthat:::test_files_setup_state(...)
    6. │         └─testthat::source_test_setup(".", env)
    7. │           └─testthat::source_dir(path, "^setup.*\\.[rR]$", env = env, wrap = FALSE)
    8. │             └─base::lapply(...)
    9. │               └─testthat (local) FUN(X[[i]], ...)
   10. │                 └─testthat::source_file(path, env = env, chdir = chdir, wrap = wrap)
   11. │                   ├─base::withCallingHandlers(...)
   12. │                   └─base::eval(exprs, env)
   13. │                     └─base::eval(exprs, env)
   14. │                       └─igraph::read_graph("graph_by_redox.igraph", format = "ncol") at tests/testthat/setup_test-settings.R:8:1
   15. │                         └─igraph:::read.graph.ncol(file, ...)
   16. └─base::.handleSimpleError(...)
   17.   └─testthat (local) h(simpleError(msg, call))
   18.     └─rlang::abort(...)
  Execution halted
Problems with news in 'NEWS.md':
No news entries found.
Problems with news in ‘NEWS.md’:
No news entries found.
Problems with news in ‘NEWS.md’:
No news entries found.
Problems with news in ‘NEWS.md’:
No news entries found.
Problems with news in ‘NEWS.md’:
No news entries found.
Problems with news in 'NEWS.md':
No news entries found.
Namespace in Imports field not imported from: ‘htmltools’
  All declared Imports should be used.