Running examples in ‘butcher-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: axe-flexsurvreg
> ### Title: Axing an flexsurvreg.
> ### Aliases: axe-flexsurvreg axe_call.flexsurvreg axe_env.flexsurvreg
> 
> ### ** Examples
> 
> ## Don't show: 
> if (rlang::is_installed("flexsurv")) (if (getRversion() >= "3.4") withAutoprint else force)({ # examplesIf
+ ## End(Don't show)
+ # Load libraries
+ library(parsnip)
+ library(flexsurv)
+ 
+ # Create model and fit
+ flexsurvreg_fit <- surv_reg(mode = "regression", dist = "gengamma") %>%
+   set_engine("flexsurv") %>%
+   fit(Surv(Tstart, Tstop, status) ~ trans, data = bosms3)
+ 
+ out <- butcher(flexsurvreg_fit, verbose = TRUE)
+ 
+ # Another flexsurvreg model object
+ wrapped_flexsurvreg <- function() {
+   some_junk_in_environment <- runif(1e6)
+   fit <- flexsurvreg(Surv(futime, fustat) ~ 1,
+                      data = ovarian, dist = "weibull")
+   return(fit)
+ }
+ 
+ out <- butcher(wrapped_flexsurvreg(), verbose = TRUE)
+ ## Don't show: 
+ }) # examplesIf
> library(parsnip)
> library(flexsurv)
Loading required package: survival
> flexsurvreg_fit <- surv_reg(mode = "regression", dist = "gengamma") %>% 
+     set_engine("flexsurv") %>% fit(Surv(Tstart, Tstop, status) ~ trans, data = bosms3)
Error:
! `surv_reg()` was deprecated in parsnip 1.4.0 and is now defunct.
ℹ Please use `survival_reg()` instead.
Backtrace:
     ▆
  1. ├─(if (getRversion() >= "3.4") withAutoprint else force)(...)
  2. │ └─base::source(...)
  3. │   ├─base::withVisible(eval(ei, envir))
  4. │   └─base::eval(ei, envir)
  5. │     └─base::eval(ei, envir)
  6. ├─... %>% ...
  7. ├─generics::fit(., Surv(Tstart, Tstop, status) ~ trans, data = bosms3)
  8. ├─parsnip::set_engine(., "flexsurv")
  9. └─parsnip::surv_reg(mode = "regression", dist = "gengamma")
 10.   └─lifecycle::deprecate_stop("1.4.0", "surv_reg()", "survival_reg()")
 11.     └─lifecycle:::deprecate_stop0(msg)
 12.       └─rlang::cnd_signal(...)
Execution halted