chore: bump Rust toolchain 1.90.0 -> 1.91.1#2071
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The ic-replicated-state dependency (dfinity/ic) uses the range-based BTreeMap::extract_if, which was only stabilized in Rust 1.91.0. Pinning 1.90.0 caused E0658 "unstable library feature btree_extract_if" build failures. Update rust-toolchain.toml and the matching runner Dockerfile.
r-birkner
approved these changes
Jun 19, 2026
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Summary
1.90.0to1.91.1inrust-toolchain.tomland the matchingdocker/runner.Dockerfile.Why
Building the CLI (and anything depending on
ic-replicated-statefrom dfinity/ic revabf88f2) failed with:The dependency uses the range-based
BTreeMap::extract_if, which was only stabilized in Rust 1.91.0. The repo pinned1.90.0, one release too old. Verified empirically: 1.90.0 fails, 1.91.1 compiles.Test plan
cargo build/cargo runfromrs/clicompletes without thebtree_extract_ifE0658 error