Lines         Copies      Function name
  -----         ------      -------------
  12200 (100%)  588 (100%)  (TOTAL)
   2211 (18.1%)  34 (5.8%)  core::result::Result<T,E>::map
    545 (4.5%)    7 (1.2%)  net2::ext::set_opt
    532 (4.4%)    4 (0.7%)  net2::ext::get_opt
    263 (2.2%)    1 (0.2%)  net2::socket::raw2addr
    187 (1.5%)    1 (0.2%)  net2::sys::Socket::new
    178 (1.5%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::keepalive_ms
    173 (1.4%)    4 (0.7%)  core::option::Option<T>::map
    172 (1.4%)    4 (0.7%)  core::option::Option<T>::ok_or
    169 (1.4%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_keepalive_ms
    168 (1.4%)    2 (0.3%)  net2::cvt
    144 (1.2%)    1 (0.2%)  net2::ext::ip2in6_addr
    140 (1.1%)    1 (0.2%)  alloc::raw_vec::RawVec<T,A>::allocate_in
    136 (1.1%)   10 (1.7%)  core::ops::function::FnOnce::call_once
    124 (1.0%)    2 (0.3%)  alloc::alloc::box_free
    110 (0.9%)    1 (0.2%)  net2::tcp::TcpBuilder::with_socket
    106 (0.9%)    1 (0.2%)  net2::socket::addr2raw_v6
    103 (0.8%)    2 (0.3%)  core::mem::replace
     92 (0.8%)    1 (0.2%)  net2::socket::Socket::getsockname
     90 (0.7%)    2 (0.3%)  core::result::Result<T,E>::expect
     89 (0.7%)    1 (0.2%)  alloc::alloc::Global::alloc_impl
     89 (0.7%)    1 (0.2%)  net2::tcp::TcpBuilder::to_tcp_listener
     89 (0.7%)    1 (0.2%)  net2::tcp::TcpBuilder::to_tcp_stream
     87 (0.7%)    8 (1.4%)  core::mem::maybe_uninit::MaybeUninit<T>::assume_init
     86 (0.7%)    1 (0.2%)  net2::socket::addr2raw_v4
     82 (0.7%)    6 (1.0%)  core::mem::zeroed
     78 (0.6%)    1 (0.2%)  core::cell::RefCell<T>::try_borrow
     78 (0.6%)    1 (0.2%)  core::cell::RefCell<T>::try_borrow_mut
     78 (0.6%)    1 (0.2%)  net2::socket::Socket::new
     76 (0.6%)    6 (1.0%)  core::mem::maybe_uninit::MaybeUninit<T>::zeroed
     73 (0.6%)    1 (0.2%)  net2::tcp::TcpBuilder::local_addr
     72 (0.6%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::join_multicast_v4
     72 (0.6%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::leave_multicast_v4
     72 (0.6%)    1 (0.2%)  std::net::ip::Ipv6Addr::new
     72 (0.6%)    1 (0.2%)  std::net::ip::Ipv6Addr::segments
     64 (0.5%)    1 (0.2%)  <net2::tcp::TcpBuilder as core::fmt::Debug>::fmt
     64 (0.5%)    1 (0.2%)  <net2::udp::UdpBuilder as core::fmt::Debug>::fmt
     58 (0.5%)    1 (0.2%)  alloc::raw_vec::RawVec<T,A>::current_memory
     58 (0.5%)    1 (0.2%)  core::result::Result<T,E>::and_then
     56 (0.5%)    2 (0.3%)  <core::result::Result<T,E> as core::ops::try_trait::Try>::branch
     56 (0.5%)    1 (0.2%)  <core::option::Option<T> as core::cmp::PartialEq>::eq
     56 (0.5%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::join_multicast_v6
     56 (0.5%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::leave_multicast_v6
     51 (0.4%)    1 (0.2%)  core::alloc::layout::Layout::array
     50 (0.4%)    1 (0.2%)  core::fmt::Arguments::new_v1
     49 (0.4%)    1 (0.2%)  <T as alloc::slice::hack::ConvertVec>::to_vec
     46 (0.4%)    8 (1.4%)  core::mem::maybe_uninit::MaybeUninit<T>::uninit
     46 (0.4%)    1 (0.2%)  core::cell::RefCell<T>::new
     46 (0.4%)    1 (0.2%)  net2::socket::Socket::bind
     46 (0.4%)    1 (0.2%)  net2::socket::Socket::connect
     43 (0.4%)    1 (0.2%)  core::ptr::drop_in_place<alloc::boxed::Box<dyn std::error::Error+core::marker::Send+core::marker::Sync>>
     43 (0.4%)    1 (0.2%)  net2::ext::ip2in_addr
     41 (0.3%)    2 (0.3%)  core::ptr::read
     41 (0.3%)    1 (0.2%)  net2::ext::dur2linger
     41 (0.3%)    1 (0.2%)  net2::tcp::TcpBuilder::listen
     40 (0.3%)    1 (0.2%)  net2::sys::impls::<impl std::os::fd::raw::AsRawFd for net2::tcp::TcpBuilder>::as_raw_fd
     40 (0.3%)    1 (0.2%)  net2::sys::impls::<impl std::os::fd::raw::AsRawFd for net2::udp::UdpBuilder>::as_raw_fd
     39 (0.3%)    1 (0.2%)  net2::ext::<impl net2::tcp::TcpBuilder>::only_v6
     39 (0.3%)    1 (0.2%)  net2::ext::<impl net2::udp::UdpBuilder>::only_v6
     39 (0.3%)    1 (0.2%)  std::net::ip::<impl core::convert::From<std::net::ip::Ipv4Addr> for u32>::from
     38 (0.3%)    1 (0.2%)  <net2::tcp::TcpBuilder as net2::FromInner>::from_inner
     38 (0.3%)    1 (0.2%)  <net2::udp::UdpBuilder as net2::FromInner>::from_inner
     38 (0.3%)    1 (0.2%)  core::time::Duration::new
     37 (0.3%)    1 (0.2%)  <net2::tcp::TcpBuilder as net2::unix::UnixTcpBuilderExt>::reuse_port
     37 (0.3%)    1 (0.2%)  <net2::udp::UdpBuilder as net2::unix::UnixUdpBuilderExt>::reuse_port
     37 (0.3%)    1 (0.2%)  net2::ext::<impl net2::tcp::TcpBuilder>::reuse_address
     37 (0.3%)    1 (0.2%)  net2::ext::<impl net2::udp::UdpBuilder>::reuse_address
     36 (0.3%)    8 (1.4%)  core::mem::manually_drop::ManuallyDrop<T>::into_inner
     36 (0.3%)    1 (0.2%)  net2::ext::ms2timeout
     36 (0.3%)    1 (0.2%)  net2::ext::timeout2ms
     35 (0.3%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_multicast_if_v4
     35 (0.3%)    1 (0.2%)  alloc::raw_vec::RawVec<T,A>::new_in
     34 (0.3%)    1 (0.2%)  core::num::<impl u64>::overflowing_add
     34 (0.3%)    1 (0.2%)  core::num::<impl usize>::overflowing_mul
     34 (0.3%)    1 (0.2%)  net2::ext::<impl net2::tcp::TcpBuilder>::ttl
     34 (0.3%)    1 (0.2%)  net2::ext::<impl net2::udp::UdpBuilder>::ttl
     34 (0.3%)    1 (0.2%)  std::io::error::Error::raw_os_error
     33 (0.3%)    1 (0.2%)  <std::os::fd::owned::OwnedFd as std::os::fd::raw::FromRawFd>::from_raw_fd
     33 (0.3%)    1 (0.2%)  net2::ext::set_nonblocking
     32 (0.3%)    1 (0.2%)  core::num::<impl u64>::checked_add
     32 (0.3%)    1 (0.2%)  core::num::<impl usize>::checked_mul
     32 (0.3%)    1 (0.2%)  std::net::ip::Ipv4Addr::new
     31 (0.3%)    1 (0.2%)  core::cell::Cell<T>::replace
     31 (0.3%)    1 (0.2%)  core::fmt::ArgumentV1::new
     31 (0.3%)    1 (0.2%)  core::ptr::drop_in_place<alloc::boxed::Box<std::io::error::Custom>>
     31 (0.3%)    1 (0.2%)  core::ptr::metadata::from_raw_parts_mut
     31 (0.3%)    1 (0.2%)  net2::ext::int2err
     30 (0.2%)    6 (1.0%)  core::intrinsics::write_bytes
     30 (0.2%)    1 (0.2%)  core::num::<impl u32>::from_ne_bytes
     29 (0.2%)    1 (0.2%)  <alloc::raw_vec::RawVec<T,A> as core::ops::drop::Drop>::drop
     29 (0.2%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::set_linger
     29 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_linger
     29 (0.2%)    1 (0.2%)  alloc::raw_vec::alloc_guard
     28 (0.2%)    2 (0.3%)  <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
     28 (0.2%)    2 (0.3%)  core::panicking::assert_failed
     28 (0.2%)    1 (0.2%)  alloc::alloc::exchange_malloc
     28 (0.2%)    1 (0.2%)  alloc::boxed::Box<T>::new
     28 (0.2%)    1 (0.2%)  core::ptr::drop_in_place<alloc::vec::Vec<u8>>
     27 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_keepalive
     27 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_read_timeout
     27 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_write_timeout
     27 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_read_timeout
     27 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_write_timeout
     26 (0.2%)    1 (0.2%)  core::fmt::num::<impl core::fmt::Debug for i32>::fmt
     26 (0.2%)    1 (0.2%)  core::fmt::num::<impl core::fmt::Debug for usize>::fmt
     26 (0.2%)    1 (0.2%)  net2::hton
     26 (0.2%)    1 (0.2%)  net2::socket::Socket::listen
     25 (0.2%)    1 (0.2%)  core::cell::BorrowRef::new
     25 (0.2%)    1 (0.2%)  core::num::<impl u32>::from_be_bytes
     25 (0.2%)    1 (0.2%)  net2::ext::in_addr2ip
     25 (0.2%)    1 (0.2%)  std::error::<impl core::convert::From<alloc::string::String> for alloc::boxed::Box<dyn std::error::Error+core::marker::Send+core::marker::Sync>>::from
     22 (0.2%)    2 (0.3%)  net2::tcp::TcpBuilder::listen::{{closure}}
     22 (0.2%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::set_only_v6
     22 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_nodelay
     22 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_only_v6
     22 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_multicast_loop_v6
     22 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_only_v6
     21 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_read_timeout_ms
     21 (0.2%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_write_timeout_ms
     21 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_multicast_if_v6
     21 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_read_timeout_ms
     21 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_write_timeout_ms
     21 (0.2%)    1 (0.2%)  core::cell::BorrowRefMut::new
     20 (0.2%)    1 (0.2%)  <alloc::alloc::Global as core::alloc::Allocator>::deallocate
     20 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_broadcast
     20 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_multicast_loop_v4
     20 (0.2%)    1 (0.2%)  net2::ext::linger2dur
     19 (0.2%)    3 (0.5%)  <T as core::convert::From<T>>::from
     19 (0.2%)    3 (0.5%)  core::ptr::unique::Unique<T>::cast
     19 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_multicast_hops_v6
     19 (0.2%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_unicast_hops_v6
     19 (0.2%)    1 (0.2%)  net2::sys::impls::<impl std::os::fd::raw::FromRawFd for net2::tcp::TcpBuilder>::from_raw_fd
     19 (0.2%)    1 (0.2%)  net2::sys::impls::<impl std::os::fd::raw::FromRawFd for net2::udp::UdpBuilder>::from_raw_fd
     19 (0.2%)    1 (0.2%)  std::io::error::Error::new
     18 (0.1%)    6 (1.0%)  core::ptr::mut_ptr::<impl *mut T>::write_bytes
     18 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_recv_buffer_size
     18 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_send_buffer_size
     18 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_recv_buffer_size
     18 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_send_buffer_size
     18 (0.1%)    1 (0.2%)  core::option::Option<T>::take
     18 (0.1%)    1 (0.2%)  std::io::error::Error::from_raw_os_error
     18 (0.1%)    1 (0.2%)  std::net::ip::Ipv4Addr::octets
     17 (0.1%)    3 (0.5%)  <T as core::convert::Into<U>>::into
     17 (0.1%)    2 (0.3%)  core::ptr::non_null::NonNull<T>::new_unchecked
     17 (0.1%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::set_nonblocking
     17 (0.1%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::set_ttl
     17 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_nonblocking
     17 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::set_ttl
     17 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_multicast_ttl_v4
     17 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_nonblocking
     17 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::set_ttl
     17 (0.1%)    1 (0.2%)  core::str::<impl str>::as_bytes
     17 (0.1%)    1 (0.2%)  net2::socket::addr2raw
     17 (0.1%)    1 (0.2%)  std::io::error::Error::last_os_error
     16 (0.1%)    2 (0.3%)  core::cell::UnsafeCell<T>::new
     16 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::recv
     16 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::send
     16 (0.1%)    1 (0.2%)  core::option::Option<T>::as_ref
     15 (0.1%)    5 (0.9%)  <T as net2::ext::AsSock>::as_sock
     15 (0.1%)    2 (0.3%)  core::ptr::unique::Unique<T>::as_ref
     15 (0.1%)    2 (0.3%)  core::ptr::write
     14 (0.1%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::only_v6
     14 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::nodelay
     14 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::only_v6
     14 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::multicast_hops_v6
     14 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::multicast_if_v6
     14 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::multicast_loop_v6
     14 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::only_v6
     14 (0.1%)    1 (0.2%)  alloc::str::<impl alloc::borrow::ToOwned for str>::to_owned
     14 (0.1%)    1 (0.2%)  core::alloc::layout::Layout::from_size_align_unchecked
     14 (0.1%)    1 (0.2%)  core::ptr::non_null::NonNull<T>::new
     14 (0.1%)    1 (0.2%)  core::slice::<impl [T]>::len
     14 (0.1%)    1 (0.2%)  net2::ext::dur2ms
     14 (0.1%)    1 (0.2%)  std::error::<impl core::convert::From<&str> for alloc::boxed::Box<dyn std::error::Error+core::marker::Send+core::marker::Sync>>::from
     13 (0.1%)    1 (0.2%)  alloc::raw_vec::RawVec<T,A>::with_capacity_in
     13 (0.1%)    1 (0.2%)  alloc::string::String::from_utf8_unchecked
     13 (0.1%)    1 (0.2%)  core::option::Option<T>::is_some
     13 (0.1%)    1 (0.2%)  core::option::Option<T>::unwrap
     13 (0.1%)    1 (0.2%)  core::ptr::non_null::NonNull<[T]>::slice_from_raw_parts
     12 (0.1%)    3 (0.5%)  <&T as core::fmt::Debug>::fmt
     12 (0.1%)    1 (0.2%)  <alloc::collections::TryReserveError as core::convert::From<alloc::collections::TryReserveErrorKind>>::from
     12 (0.1%)    1 (0.2%)  <net2::tcp::TcpBuilder as net2::unix::UnixTcpBuilderExt>::get_reuse_port
     12 (0.1%)    1 (0.2%)  <net2::udp::UdpBuilder as net2::unix::UnixUdpBuilderExt>::get_reuse_port
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::linger
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::take_error
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpListener as net2::ext::TcpListenerExt>::ttl
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::linger
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::read_timeout_ms
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::recv_buffer_size
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::send_buffer_size
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::take_error
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::ttl
     12 (0.1%)    1 (0.2%)  <std::net::tcp::TcpStream as net2::ext::TcpStreamExt>::write_timeout_ms
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::broadcast
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::multicast_if_v4
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::multicast_loop_v4
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::multicast_ttl_v4
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::read_timeout_ms
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::recv_buffer_size
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::send_buffer_size
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::take_error
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::ttl
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::unicast_hops_v6
     12 (0.1%)    1 (0.2%)  <std::net::udp::UdpSocket as net2::ext::UdpSocketExt>::write_timeout_ms
     12 (0.1%)    1 (0.2%)  alloc::alloc::alloc
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     12 (0.1%)    1 (0.2%)  alloc::alloc::dealloc
     12 (0.1%)    1 (0.2%)  alloc::vec::Vec<T,A>::with_capacity_in
     12 (0.1%)    1 (0.2%)  core::any::TypeId::of
     12 (0.1%)    1 (0.2%)  core::time::Duration::from_secs
     12 (0.1%)    1 (0.2%)  net2::ext::<impl net2::tcp::TcpBuilder>::get_reuse_address
     12 (0.1%)    1 (0.2%)  net2::ext::<impl net2::tcp::TcpBuilder>::take_error
     12 (0.1%)    1 (0.2%)  net2::ext::<impl net2::udp::UdpBuilder>::get_reuse_address
     12 (0.1%)    1 (0.2%)  net2::ext::<impl net2::udp::UdpBuilder>::take_error
     11 (0.1%)   11 (1.9%)  core::mem::size_of
     11 (0.1%)    8 (1.4%)  core::mem::maybe_uninit::MaybeUninit<T>::as_mut_ptr
     11 (0.1%)    1 (0.2%)  <net2::socket::Socket as core::fmt::Debug>::fmt
     11 (0.1%)    1 (0.2%)  core::cell::RefCell<T>::borrow
     11 (0.1%)    1 (0.2%)  core::cell::RefCell<T>::borrow_mut
     11 (0.1%)    1 (0.2%)  net2::ext::ms2dur
     11 (0.1%)    1 (0.2%)  std::os::fd::net::<impl std::os::fd::raw::FromRawFd for std::net::tcp::TcpListener>::from_raw_fd
     11 (0.1%)    1 (0.2%)  std::os::fd::net::<impl std::os::fd::raw::FromRawFd for std::net::tcp::TcpStream>::from_raw_fd
     11 (0.1%)    1 (0.2%)  std::os::fd::net::<impl std::os::fd::raw::FromRawFd for std::net::udp::UdpSocket>::from_raw_fd
     10 (0.1%)    1 (0.2%)  <alloc::vec::Vec<T,A> as core::ops::drop::Drop>::drop
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