SQLite cannot execute from F# FSI

gistfile1.txt

//Demo SQLite cannot run from FSI
//#load "load-references-debug.fsx"
#I __SOURCE_DIRECTORY__

#r "../../packages/Microsoft.Data.Sqlite.1.0.0-rc1-final/lib/net451/Microsoft.Data.Sqlite.dll"

open Microsoft.Data.Sqlite

let conn = new SqliteConnection(@"Data Source = :memory:") 

conn.Open()

let createTable = "CREATE TABLE foo (a int, b int)"

let cmd = new SqliteCommand(createTable, conn)

let rc = cmd.ExecuteNonQuery()

// TWO: insert 16 rows

for i = 1 to 16 do 
    let sql = (sprintf "INSERT INTO foo (a) VALUES (%d)" i)
    cmd.CommandText <- sql
    cmd.ExecuteNonQuery() |> ignore

cmd.CommandText <- "UPDATE foo SET b = a * a"
cmd.ExecuteNonQuery() |> ignore

cmd.CommandText <- "SELECT b FROM foo WHERE a=7"
let rdr = cmd.ExecuteReader()

rdr.Read() |> ignore

let vsq = rdr.GetInt32(0)

rdr.Close()
rdr.Dispose()

let mutable vsum = 0

cmd.CommandText <- "SELECT a FROM foo WHERE b<120"

let rdr2 = cmd.ExecuteReader()

while rdr2.Read() do
        vsum <- vsum + rdr2.GetInt32(0)

rdr2.Close()
rdr2.Dispose()
cmd.Dispose()
conn.Dispose()

printfn "val: %d" vsq
printfn "sum: %d" vsum