fix: improve printing and handling of nested errors

.github/workflows/ci.yaml

@@ -13,10 +13,9 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  RUST_BACKTRACE: 1
   RUSTFLAGS: -Dwarnings
   RUSTDOCFLAGS: -Dwarnings
-  MSRV: "1.81"
+  MSRV: "1.83"
   SCCACHE_CACHE_SIZE: "50G"
   IROH_FORCE_STAGING_RELAYS: "1"
 

.github/workflows/tests.yaml

@@ -19,7 +19,6 @@ on:
         default: ${{ github.ref }}
 
 env:
-  RUST_BACKTRACE: 1
   RUSTFLAGS: -Dwarnings
   RUSTDOCFLAGS: -Dwarnings
   SCCACHE_CACHE_SIZE: "50G"
@@ -218,7 +217,7 @@ jobs:
       env:
         RUST_LOG: ${{ runner.debug && 'TRACE' || 'DEBUG'}}
         NEXTEST_EXPERIMENTAL_LIBTEST_JSON: 1
-  
+
     - name: upload results
       if: ${{ failure() && inputs.flaky }}
       uses: actions/upload-artifact@v4

Cargo.toml

@@ -9,7 +9,7 @@ authors = ["n0 team"]
 repository = "https://github.com/n0-computer/n0-snafu"
 keywords = ["errors", "snafu"]
 
-rust-version = "1.81"
+rust-version = "1.83"
 
 [dependencies]
 anyhow = { version = "1.0.96", features = ["backtrace"] }

README.md

@@ -3,6 +3,12 @@
 > Helpers to better work with [`snafu`](https://docs.rs/snafu) based errors.
 
 
+## Backtrace printing
+
+- Default: only error information
+- `RUST_BACKTRACE=1` => library only backtraces
+- `RUST_LIB_BACKTRACE=1 RUST_BACKTRACE=full` => library & std library backtraces
+
 
 ## License