st_dimensions<-.stars_proxy changes class of object?

[dblodgett-usgs]

library(stars)
#> Loading required package: abind
#> Loading required package: sf
#> Linking to GEOS 3.9.1, GDAL 3.2.1, PROJ 7.2.1

f <- system.file("nc/reduced.nc", package = "stars")
nc <- read_stars(f, proxy = TRUE)
#> Warning in CPL_read_gdal(as.character(x), as.character(options),
#> as.character(driver), : GDAL Message 1: Recode from UTF-8 to CP_ACP failed with
#> the error: "Invalid argument".
#> sst,
#> Warning in CPL_read_gdal(as.character(x), as.character(options),
#> as.character(driver), : GDAL Message 1: Recode from UTF-8 to CP_ACP failed with
#> the error: "Invalid argument".
#> anom,
#> Warning in CPL_read_gdal(as.character(x), as.character(options),
#> as.character(driver), : GDAL Message 1: Recode from UTF-8 to CP_ACP failed with
#> the error: "Invalid argument".
#> err,
#> Warning in CPL_read_gdal(as.character(x), as.character(options),
#> as.character(driver), : GDAL Message 1: Recode from UTF-8 to CP_ACP failed with
#> the error: "Invalid argument".
#> ice,
#> Warning in CPL_read_gdal(as.character(x), as.character(options),
#> as.character(driver), : GDAL Message 1: Recode from UTF-8 to CP_ACP failed with
#> the error: "Invalid argument".
class(nc)
#> [1] "stars_proxy" "stars"
st_dimensions(nc) <- st_dimensions(nc)
class(nc)
#> [1] "stars"

nc
#> Error in dim.stars(x): length(d) == length(dim(x[[1]])) is not TRUE

^{Created on 2021-12-27 by the reprex package (v2.0.0)}