* using log directory ‘/data/blackswan/ripley/R/packages/tests-devel/unfold.Rcheck’
* using R Under development (unstable) (2026-04-10 r89868)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3)
    GNU Fortran (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3)
* running under: Fedora Linux 40 (Workstation Edition)
* using session charset: UTF-8
* current time: 2026-04-11 10:57:35 UTC
* checking for file ‘unfold/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘unfold’ version ‘1.0.0’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘unfold’ can be installed ... [11s/11s] OK
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [15s/16s] OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking contents of ‘data’ directory ... OK
* checking data for non-ASCII characters ... OK
* checking LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking examples ... OK
* checking examples with --run-donttest ... ERROR
Running examples in ‘unfold-Ex.R’ failed
The error most likely occurred in:

> ### Name: unfold
> ### Title: unfold: Mapping Hidden Geometry into Future Sequences
> ### Aliases: unfold unfold-package
> 
> ### ** Examples
> 
> ## No test: 
> if (requireNamespace("torch", quietly = TRUE)) {
+   set.seed(42)
+ 
+   # --- Create a small synthetic dataset with 3 series ---
+   T <- 100
+   ts_set <- data.frame(
+     A = cumsum(rnorm(T, mean = 0.02, sd = 0.1)) + 10,
+     B = cumsum(rnorm(T, mean = 0.01, sd = 0.08)) +  8,
+     C = cumsum(rnorm(T, mean = 0.00, sd = 0.12)) + 12
+   )
+ 
+   # --- Fit the model ---
+   fit <- unfold(
+     ts_set    = ts_set,
+     horizon   = 3,
+     metric    = "euclidean",
+     latent_dim  = 16,
+     enc_hidden  = c(64, 32),
+     dec_hidden  = c(32, 64),
+     epochs      = 5,
+     batch_size  = 16,
+     verbose     = FALSE
+   )
+ 
+   # --- Inspect predictive functions ---
+   names(fit$pred_funs)         # series names
+   names(fit$pred_funs$A)       # "t1" "t2" "t3"
+ 
+   # Example: call predictive function for series A, horizon t1
+   f_t1 <- fit$pred_funs$A$t1$rfun
+   # Example: draw 500 simulated values
+   # sims <- f_t1(500)
+ }
horizon adapted to available data

Error: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
Execution halted
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ...
  Running ‘testthat.R’
 OK
* checking PDF version of manual ... OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* checking for new files in some other directories ... OK
* DONE

Status: 1 ERROR
See
  ‘/data/blackswan/ripley/R/packages/tests-devel/unfold.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 2:04.87, 91.11 + 32.81