diff --git a/Cargo.toml b/Cargo.toml
index ffe96fe..897b624 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,6 @@ humantime = "2.1.0"
 http = "1"
 http-body = "1"
 http-body-util = "0.1.0"
-thiserror = "=0.0.1"
 autoerr = "0.0.3"
 chrono = { version = "0.4.38", features = ["serde"] }
 wasmer = { version = "5.0.1", default-features = false, features = ["sys", "cranelift"], optional = true }
@@ -41,6 +40,3 @@ tokio = { version = "1", features = ["rt"] }
 wasm_transform = ["wasmer"]
 indev = []
 tests-runtime = []
-
-[patch.crates-io]
-thiserror = { git = "https://github.com/dominikwerder/thiserror.git", branch = "cstm" }
diff --git a/src/cbor_stream.rs b/src/cbor_stream.rs
index 67cad49..1bc5f02 100644
--- a/src/cbor_stream.rs
+++ b/src/cbor_stream.rs
@@ -28,14 +28,15 @@ use std::time::Duration;
 const FRAME_HEAD_LEN: usize = 16;
 const FRAME_PAYLOAD_MAX: u32 = 1024 * 1024 * 80;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "CborStream")]
-pub enum Error {
-    FromSlice(#[from] std::array::TryFromSliceError),
-    Msg(String),
-    Ciborium(#[from] ciborium::de::Error<std::io::Error>),
-    CiboriumValue(#[from] ciborium::value::Error),
-}
+autoerr::create_error_v1!(
+    name(Error, "CborStream"),
+    enum variants {
+        FromSlice(#[from] std::array::TryFromSliceError),
+        Msg(String),
+        Ciborium(#[from] ciborium::de::Error<std::io::Error>),
+        CiboriumValue(#[from] ciborium::value::Error),
+    },
+);
 
 struct ErrMsg<E>(E)
 where
@@ -176,7 +177,7 @@ impl<S> FramedBytesToChannelEventsStream<S> {
         let n = u32::from_le_bytes(self.buf[..4].try_into()?);
         if n > FRAME_PAYLOAD_MAX {
             let e = ErrMsg(format!("frame too large {n}")).into();
-            error!("{e}");
+            error!("{}", e);
             return Err(e);
         }
         let frame_len = FRAME_HEAD_LEN + n as usize;
diff --git a/src/frames.rs b/src/frames.rs
index 36c469f..3933c3e 100644
--- a/src/frames.rs
+++ b/src/frames.rs
@@ -7,11 +7,12 @@ use futures_util::Stream;
 use futures_util::StreamExt;
 use items_2::framable::Framable;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "FramedStreamError")]
-pub enum Error {
-    MakeFrame(#[from] items_2::framable::Error),
-}
+autoerr::create_error_v1!(
+    name(Error, "FramedStreamError"),
+    enum variants {
+        MakeFrame(#[from] items_2::framable::Error),
+    },
+);
 
 pub fn frameable_stream_to_bytes_stream<S, T>(stream: S) -> impl Stream<Item = Result<Bytes, Error>>
 where
diff --git a/src/frames/eventsfromframes.rs b/src/frames/eventsfromframes.rs
index 28bfa5b..74e7236 100644
--- a/src/frames/eventsfromframes.rs
+++ b/src/frames/eventsfromframes.rs
@@ -14,10 +14,6 @@ use std::pin::Pin;
 use std::task::Context;
 use std::task::Poll;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "FromFrames")]
-pub enum Error {}
-
 pub struct EventsFromFrames<O, INP> {
     inp: INP,
     dbgdesc: String,
diff --git a/src/generators.rs b/src/generators.rs
index 1c1ee15..1a039b2 100644
--- a/src/generators.rs
+++ b/src/generators.rs
@@ -26,13 +26,14 @@ use std::pin::Pin;
 use std::task::Context;
 use std::task::Poll;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "Generator")]
-pub enum Error {
-    UnsupportedIsEventBlobs,
-    Items2(#[from] items_2::Error),
-    BadChannelName,
-}
+autoerr::create_error_v1!(
+    name(Error, "Generator"),
+    enum variants {
+        UnsupportedIsEventBlobs,
+        Items2(#[from] items_2::Error),
+        BadChannelName,
+    },
+);
 
 fn make_sleep_fut() -> Pin<Box<dyn Future<Output = ()> + Send>> {
     todo!()
@@ -45,7 +46,7 @@ pub fn make_test_channel_events_bytes_stream(
 ) -> Result<BoxedBytesStream, Error> {
     if subq.is_event_blobs() {
         let e = Error::UnsupportedIsEventBlobs;
-        error!("{e}");
+        error!("{}", e);
         Err(e)
     } else {
         let stream = make_test_channel_events_stream_data(subq, node_count, node_ix)?;
diff --git a/src/itemclone.rs b/src/itemclone.rs
index 1b3055c..6ae9794 100644
--- a/src/itemclone.rs
+++ b/src/itemclone.rs
@@ -6,9 +6,12 @@ use std::pin::Pin;
 use std::task::Context;
 use std::task::Poll;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "ItemClone")]
-pub enum Error {}
+autoerr::create_error_v1!(
+    name(Error, "ItemClone"),
+    enum variants {
+        Dummy,
+    },
+);
 
 #[pin_project::pin_project]
 pub struct Itemclone<'a, T, INP>
diff --git a/src/json_stream.rs b/src/json_stream.rs
index a8ad3eb..629c7c4 100644
--- a/src/json_stream.rs
+++ b/src/json_stream.rs
@@ -12,12 +12,13 @@ use netpod::log::*;
 use std::pin::Pin;
 use std::time::Duration;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "JsonStream")]
-pub enum Error {
-    Json(#[from] serde_json::Error),
-    Msg(String),
-}
+autoerr::create_error_v1!(
+    name(Error, "JsonStream"),
+    enum variants {
+        Json(#[from] serde_json::Error),
+        Msg(String),
+    },
+);
 
 pub struct ErrMsg<E>(pub E)
 where
diff --git a/src/needminbuffer.rs b/src/needminbuffer.rs
index 330ada7..53e9896 100644
--- a/src/needminbuffer.rs
+++ b/src/needminbuffer.rs
@@ -7,9 +7,12 @@ use std::pin::Pin;
 use std::task::Context;
 use std::task::Poll;
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "NeedMinBuffer")]
-pub enum Error {}
+autoerr::create_error_v1!(
+    name(Error, "NeedMinBuffer"),
+    enum variants {
+        Dummy,
+    },
+);
 
 pub struct NeedMinBuffer {
     inp: Pin<Box<dyn Stream<Item = Result<FileChunkRead, items_0::streamitem::SitemErrTy>> + Send>>,
diff --git a/src/tcprawclient.rs b/src/tcprawclient.rs
index eea9a56..49a0321 100644
--- a/src/tcprawclient.rs
+++ b/src/tcprawclient.rs
@@ -36,18 +36,32 @@ use std::sync::Arc;
 
 pub const TEST_BACKEND: &str = "testbackend-00";
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "TcpRawClient")]
-pub enum Error {
-    IO(#[from] std::io::Error),
-    Msg(String),
-    Frame(#[from] items_2::frame::Error),
-    Framable(#[from] items_2::framable::Error),
-    Json(#[from] serde_json::Error),
-    Http(#[from] http::Error),
-    #[error("ServerError({0:?}, {1})")]
-    ServerError(http::response::Parts, String),
-    HttpBody(Box<dyn std::error::Error + Send>),
+autoerr::create_error_v1!(
+    name(Error, "TcpRawClient"),
+    enum variants {
+        IO(#[from] std::io::Error),
+        Msg(String),
+        Frame(#[from] items_2::frame::Error),
+        Framable(#[from] items_2::framable::Error),
+        Json(#[from] serde_json::Error),
+        Http(#[from] http::Error),
+        ServerError(DisplayDebug<http::response::Parts>, String),
+        // ServerError(http::response::Parts, String),
+        HttpBody(Box<dyn std::error::Error + Send>),
+    },
+);
+
+struct DisplayDebug<T: fmt::Debug>(T);
+
+impl<T: fmt::Debug> fmt::Debug for DisplayDebug<T> {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, fmt)
+    }
+}
+impl<T: fmt::Debug> fmt::Display for DisplayDebug<T> {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, fmt)
+    }
 }
 
 struct ErrMsg<E>(E)
@@ -86,11 +100,12 @@ pub fn make_node_command_frame(query: EventsSubQuery) -> Result<EventQueryJsonSt
     Ok(EventQueryJsonStringFrame(ret))
 }
 
-#[derive(Debug, thiserror::Error)]
-pub enum ErrorBody {
-    #[error("{0}")]
-    Msg(String),
-}
+autoerr::create_error_v1!(
+    name(ErrorBody, "BodyError"),
+    enum variants {
+        Msg(String),
+    },
+);
 
 pub trait HttpSimplePost: Send {
     fn http_simple_post(
@@ -157,7 +172,7 @@ pub async fn x_processed_event_blobs_stream_from_node_http(
         error!("server error  {:?}", head);
         let buf = read_body_bytes(body).await?;
         let s = String::from_utf8_lossy(&buf);
-        return Err(Error::ServerError(head, s.to_string()));
+        return Err(Error::ServerError(DisplayDebug(head), s.to_string()));
     }
     let (_head, body) = res.into_parts();
     let inp = body;
diff --git a/src/timebin/basic.rs b/src/timebin/basic.rs
index 620dead..b0ab6fd 100644
--- a/src/timebin/basic.rs
+++ b/src/timebin/basic.rs
@@ -16,20 +16,21 @@ use std::pin::Pin;
 use std::task::Context;
 use std::task::Poll;
 
-macro_rules! debug_first { ($($arg:tt)*) => ( if false { debug!($($arg)*); } ) }
+macro_rules! debug_first { ($($arg:expr),*) => ( if false { debug!($($arg),*); } ) }
 
-macro_rules! trace2 { ($($arg:tt)*) => ( if false { trace!($($arg)*); } ) }
+macro_rules! trace2 { ($($arg:expr),*) => ( if false { trace!($($arg),*); } ) }
 
-macro_rules! trace3 { ($($arg:tt)*) => ( if false { trace!($($arg)*); } ) }
+macro_rules! trace3 { ($($arg:expr),*) => ( if false { trace!($($arg),*); } ) }
 
-#[derive(Debug, thiserror::Error)]
-#[cstm(name = "TimeBinnedStream")]
-pub enum Error {
-    MissingBinnerAfterProcessItem,
-    CreateEmpty,
-    NoBinnerAfterInputDone,
-    Msg(String),
-}
+autoerr::create_error_v1!(
+    name(Error, "TimeBinnedStream"),
+    enum variants {
+        MissingBinnerAfterProcessItem,
+        CreateEmpty,
+        NoBinnerAfterInputDone,
+        Msg(String),
+    },
+);
 
 type SitemtyStream<T> = Pin<Box<dyn Stream<Item = Sitemty<T>> + Send>>;
 
@@ -134,7 +135,7 @@ where
                         Ok(Break(Ready(sitem_data(bins))))
                     } else {
                         let e = Error::CreateEmpty;
-                        error!("{e}");
+                        error!("{}", e);
                         Err(e)
                     }
                 }