Unexpected result (of class 'NULL' != 'FutureResult') retrieved for MultisessionFuture future (label = '<none>', expression = '{; message(sprintf("Calculating tile #%d of %d ...", ii, n),; appendLF = FALSE); fit <- mandelbrot(C); delay(fit); p(sprintf("Tile #%d (PID %d)", ii, Sys.getpid())); message(" done"); fit; }'): This suggests that the communication with 'RichSOCKnode' #1 on host 'localhost' (R Under development (unstable) (2024-12-07 r87428), platform x86_64-pc-linux-gnu) is out of sync.

R CMD check found ERRORs

Unexpected result (of class 'NULL' != 'FutureResult') retrieved for MultisessionFuture future (label = 'doFuture-1', expression = '{; doFuture::registerDoFuture(); lapply(seq_along(...future.x_ii), FUN = function(jj) {; ...future.x_jj <- ...future.x_ii[[jj]]; {; NULL; ...; }, error = identity); }); }'): This suggests that the communication with 'RichSOCKnode' #1 on host 'localhost' (R Under development (unstable) (2024-12-07 r87428), platform x86_64-pc-linux-gnu) is out of sync.

Unexpected result (of class 'NULL' != 'FutureResult') retrieved for MultisessionFuture future (label = '<none>', expression = '{; future_globals_max_size <- getOption("future.globals.maxSize"); if (!identical(future_globals_max_size, ...furrr_globals_max_size)) {; options(future.globals.maxSize = ...furrr_globals_max_size); on.exit(options(future.globals.maxSize = future_globals_max_size),; add = TRUE); ...; do.call(...furrr_map_fn, args); }; }'): This suggests that the communication with 'RichSOCKnode' #1 on host 'localhost' (R Under development (unstable) (2024-12-07 r87428), platform x86_64-pc-linux-gnu) is out of sync.

Unexpected result (of class 'NULL' != 'FutureResult') retrieved for MultisessionFuture future (label = 'future_lapply-1', expression = '{; do.call(function(...) {; ...future.globals.maxSize.org <- getOption("future.globals.maxSize"); if (!identical(...future.globals.maxSize.org, ...future.globals.maxSize)) {; oopts <- options(future.globals.maxSize = ...future.globals.maxSize); on.exit(options(oopts), add = TRUE); ...; }; }, args = future.call.arguments); }'): This suggests that the communication with 'RichSOCKnode' #1 on host 'localhost' (R Under development (unstable) (2024-12-07 r87428), platform x86_64-pc-linux-gnu) is out of sync.

Process completed with exit code 1.