dt_bind_rows(use.names=TRUE): Error in rbindlist about tidytable HOT 4 CLOSED

devtools::install_github("markfairbanks/tidytable")

library(data.table)
library(tidytable)

x = iris %>% as.data.table() %>% dt_select(Sepal.Length, Sepal.Width)
y = iris %>% as.data.table() %>% dt_select(Sepal.Width, Sepal.Length) 

dt_bind_rows(x, y)
#>      Sepal.Length Sepal.Width
#>   1:          5.1         3.5
#>   2:          4.9         3.0
#>   3:          4.7         3.2
#>   4:          4.6         3.1
#>   5:          5.0         3.6
#>  ---                         
#> 296:          6.7         3.0
#> 297:          6.3         2.5
#> 298:          6.5         3.0
#> 299:          6.2         3.4
#> 300:          5.9         3.0

test_df <- data.table(a = c("x","x","y"), b = c("x","x","y"), c = 1:3)

# Using by = list(a, b) no longer works
test_df %>%
  dt_summarize(avg_c = mean(c), by = list(a, b))
#> Error: Using by = list(col1, col2) is deprecated. Please use by = c(col1, col2)

# Use by = c(a, b)
test_df %>%
  dt_summarize(avg_c = mean(c), by = c(a, b))
#>    a b avg_c
#> 1: x x   1.5
#> 2: y y   3.0

test_df %>%
  dt_summarize(avg_c = mean(c), by = is.character)

test_df %>%
  dt_summarize(avg_c = mean(c), by = c(is.character, is.factor))

test_df %>%
  summarize.(avg_c = mean(c), by = is.character)

library(dplyr)
#> Warning: package 'dplyr' was built under R version 3.6.3
#> 
#> Attaching package: 'dplyr'
#> The following objects are masked from 'package:stats':
#> 
#>     filter, lag
#> The following objects are masked from 'package:base':
#> 
#>     intersect, setdiff, setequal, union

iris %>% 
    summarise_if(is.numeric, mean, na.rm = TRUE)
#>   Sepal.Length Sepal.Width Petal.Length Petal.Width
#> 1     5.843333    3.057333        3.758    1.199333

iris %>% 
    summarise_at(vars(contains("Sepal")), sum, na.rm = TRUE)
#>   Sepal.Length Sepal.Width
#> 1        876.5       458.6