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

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: bind
> ### Title: Bind rows (features) of sf objects
> ### Aliases: bind rbind.sf bind cbind.sf bind st_bind_cols
> 
> ### ** Examples
> 
> crs = st_crs(3857)
> a = st_sf(a=1, geom = st_sfc(st_point(0:1)), crs = crs)
> b = st_sf(a=1, geom = st_sfc(st_linestring(matrix(1:4,2))), crs = crs)
> c = st_sf(a=4, geom = st_sfc(st_multilinestring(list(matrix(1:4,2)))), crs = crs)
> rbind(a,b,c)
Simple feature collection with 3 features and 1 field
geometry type:  GEOMETRY
dimension:      XY
bbox:           xmin: 0 ymin: 1 xmax: 2 ymax: 4
epsg (SRID):    3857
proj4string:    +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs
  a                         geom
1 1                  POINT (0 1)
2 1        LINESTRING (1 3, 2 4)
3 4 MULTILINESTRING ((1 3, 2 4))
> rbind(a,b) 
Simple feature collection with 2 features and 1 field
geometry type:  GEOMETRY
dimension:      XY
bbox:           xmin: 0 ymin: 1 xmax: 2 ymax: 4
epsg (SRID):    3857
proj4string:    +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs
  a                  geom
1 1           POINT (0 1)
2 1 LINESTRING (1 3, 2 4)
> rbind(a,b)
Simple feature collection with 2 features and 1 field
geometry type:  GEOMETRY
dimension:      XY
bbox:           xmin: 0 ymin: 1 xmax: 2 ymax: 4
epsg (SRID):    3857
proj4string:    +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs
  a                  geom
1 1           POINT (0 1)
2 1 LINESTRING (1 3, 2 4)
> rbind(b,c)
Simple feature collection with 2 features and 1 field
geometry type:  GEOMETRY
dimension:      XY
bbox:           xmin: 1 ymin: 3 xmax: 2 ymax: 4
epsg (SRID):    3857
proj4string:    +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs
  a                         geom
1 1        LINESTRING (1 3, 2 4)
2 4 MULTILINESTRING ((1 3, 2 4))
> cbind(a,b,c) # warns
Simple feature collection with 1 feature and 3 fields
Active geometry column: geom
geometry type:  POINT
dimension:      XY
bbox:           xmin: 0 ymin: 1 xmax: 0 ymax: 1
epsg (SRID):    3857
proj4string:    +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs
  a a.1 a.2        geom                geom.1                       geom.2
1 1   1   4 POINT (0 1) LINESTRING (1 3, 2 4) MULTILINESTRING ((1 3, 2 4))
> if (require(dplyr))
+   dplyr::bind_cols(a,b)
Loading required package: dplyr
Warning in library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE,  :
  there is no package called ‘dplyr’
> c = st_sf(a=4, geomc = st_sfc(st_multilinestring(list(matrix(1:4,2)))), crs = crs)
> cbind(a,b,c, sf_column_name = "geomc")
Simple feature collection with 1 feature and 3 fields
Active geometry column: geomc
geometry type:  MULTILINESTRING
dimension:      XY
bbox:           xmin: 1 ymin: 3 xmax: 2 ymax: 4
epsg (SRID):    3857
proj4string:    +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs
  a a.1 a.2        geom                geom.1                        geomc
1 1   1   4 POINT (0 1) LINESTRING (1 3, 2 4) MULTILINESTRING ((1 3, 2 4))
> df = data.frame(x=3)
> st_sf(data.frame(c, df))
Simple feature collection with 1 feature and 2 fields
geometry type:  MULTILINESTRING
dimension:      XY
bbox:           xmin: 1 ymin: 3 xmax: 2 ymax: 4
epsg (SRID):    3857
proj4string:    +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs
  a x                        geomc
1 4 3 MULTILINESTRING ((1 3, 2 4))
> dplyr::bind_cols(c, df)
Error in loadNamespace(name) : there is no package called ‘dplyr’
Calls: :: ... loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart
Execution halted