Update Rust toolchains to nightly-2026-01-05

[hash-worker]

This PR contains the following updates:

Package	Update	Change
rust	major	2025-12-22 -> 2026-01-05

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[cursor]

PR Summary

Updates Rust toolchain references to the latest nightly.

• Switches rust-toolchain.toml channel to nightly-2026-01-05
• Updates rust-version badges in libs/error-stack/README.md, libs/error-stack/macros/README.md, and libs/error-stack/src/lib.rs docs

No functional code changes; documentation/badges and toolchain config only.

^{Written by Cursor Bugbot for commit b5f1fae. This will update automatically on new commits. Configure here.}

[augmentcode]

🤖 Augment PR Summary

Summary: Bumps the pinned Rust toolchain from nightly-2025-12-22 to nightly-2025-12-29.

Changes: Refreshes the error-stack documentation badges to reflect the new nightly date.

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[augmentcode]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.02%. Comparing base (0e233cf) to head (b5f1fae).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8235      +/-   ##
==========================================
- Coverage   59.02%   59.02%   -0.01%     
==========================================
  Files        1187     1187              
  Lines      112486   112486              
  Branches     4939     4939              
==========================================
- Hits        66394    66393       -1     
- Misses      45334    45335       +1     
  Partials      758      758              

Flag	Coverage Δ
apps.hash-ai-worker-ts	1.40% <ø> (ø)
apps.hash-api	0.00% <ø> (ø)
blockprotocol.type-system	40.84% <ø> (ø)
local.claude-hooks	0.00% <ø> (ø)
local.harpc-client	51.24% <ø> (ø)
local.hash-graph-sdk	10.88% <ø> (ø)
local.hash-isomorphic-utils	0.00% <ø> (ø)
rust.antsi	0.00% <ø> (ø)
rust.error-stack	90.88% <ø> (ø)
rust.harpc-codec	84.70% <ø> (ø)
rust.harpc-net	96.14% <ø> (-0.02%)	⬇️
rust.harpc-tower	66.80% <ø> (ø)
rust.harpc-types	0.00% <ø> (ø)
rust.harpc-wire-protocol	92.23% <ø> (ø)
rust.hash-codec	72.76% <ø> (ø)
rust.hash-graph-api	2.89% <ø> (ø)
rust.hash-graph-authorization	62.47% <ø> (ø)
rust.hash-graph-postgres-store	25.61% <ø> (ø)
rust.hash-graph-store	30.54% <ø> (ø)
rust.hash-graph-temporal-versioning	47.95% <ø> (ø)
rust.hash-graph-types	0.00% <ø> (ø)
rust.hash-graph-validation	83.45% <ø> (ø)
rust.hashql-ast	87.25% <ø> (ø)
rust.hashql-compiletest	46.65% <ø> (ø)
rust.hashql-core	82.36% <ø> (ø)
rust.hashql-diagnostics	72.43% <ø> (ø)
rust.hashql-eval	68.54% <ø> (ø)
rust.hashql-hir	89.10% <ø> (ø)
rust.hashql-mir	88.18% <ø> (ø)
rust.hashql-syntax-jexpr	94.05% <ø> (ø)

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[github-actions]

Benchmark results

@rust/hash-graph-benches – Integrations

policy_resolution_large

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 2002	$$28.9 \mathrm{ms} \pm 207 \mathrm{μs}\left({\color{lightgreen}-25.026 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.72 \mathrm{ms} \pm 14.3 \mathrm{μs}\left({\color{gray}-0.180 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 1001	$$11.9 \mathrm{ms} \pm 101 \mathrm{μs}\left({\color{gray}3.61 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 3314	$$38.3 \mathrm{ms} \pm 264 \mathrm{μs}\left({\color{gray}0.713 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$12.2 \mathrm{ms} \pm 61.0 \mathrm{μs}\left({\color{gray}1.56 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 1526	$$21.1 \mathrm{ms} \pm 116 \mathrm{μs}\left({\color{gray}1.47 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 2078	$$30.0 \mathrm{ms} \pm 156 \mathrm{μs}\left({\color{lightgreen}-27.607 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$3.02 \mathrm{ms} \pm 10.7 \mathrm{μs}\left({\color{lightgreen}-84.546 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 1033	$$13.4 \mathrm{ms} \pm 81.5 \mathrm{μs}\left({\color{lightgreen}-49.662 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_medium

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 102	$$3.05 \mathrm{ms} \pm 19.0 \mathrm{μs}\left({\color{gray}2.36 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.31 \mathrm{ms} \pm 8.78 \mathrm{μs}\left({\color{gray}-2.224 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 51	$$2.68 \mathrm{ms} \pm 13.6 \mathrm{μs}\left({\color{gray}3.13 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 269	$$4.32 \mathrm{ms} \pm 18.5 \mathrm{μs}\left({\color{gray}-1.154 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$2.84 \mathrm{ms} \pm 13.1 \mathrm{μs}\left({\color{gray}0.404 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 107	$$3.36 \mathrm{ms} \pm 18.8 \mathrm{μs}\left({\color{gray}2.75 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 133	$$3.57 \mathrm{ms} \pm 18.5 \mathrm{μs}\left({\color{gray}0.089 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$2.70 \mathrm{ms} \pm 11.2 \mathrm{μs}\left({\color{gray}1.09 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 63	$$3.25 \mathrm{ms} \pm 19.0 \mathrm{μs}\left({\color{gray}2.19 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_none

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 2	$$2.12 \mathrm{ms} \pm 9.59 \mathrm{μs}\left({\color{red}5.90 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.15 \mathrm{ms} \pm 12.6 \mathrm{μs}\left({\color{red}9.53 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 1	$$2.21 \mathrm{ms} \pm 8.84 \mathrm{μs}\left({\color{red}5.84 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 8	$$2.33 \mathrm{ms} \pm 10.6 \mathrm{μs}\left({\color{red}7.47 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$2.20 \mathrm{ms} \pm 8.17 \mathrm{μs}\left({\color{gray}-1.429 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 3	$$2.46 \mathrm{ms} \pm 13.3 \mathrm{μs}\left({\color{gray}3.03 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_small

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 52	$$2.39 \mathrm{ms} \pm 8.33 \mathrm{μs}\left({\color{gray}2.77 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.10 \mathrm{ms} \pm 7.35 \mathrm{μs}\left({\color{red}6.44 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 25	$$2.27 \mathrm{ms} \pm 10.2 \mathrm{μs}\left({\color{red}8.07 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 94	$$2.68 \mathrm{ms} \pm 13.7 \mathrm{μs}\left({\color{red}5.93 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$2.36 \mathrm{ms} \pm 9.29 \mathrm{μs}\left({\color{red}9.20 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 26	$$2.54 \mathrm{ms} \pm 11.7 \mathrm{μs}\left({\color{red}8.18 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 66	$$2.63 \mathrm{ms} \pm 12.9 \mathrm{μs}\left({\color{red}6.47 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$2.27 \mathrm{ms} \pm 8.77 \mathrm{μs}\left({\color{red}5.90 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 29	$$2.50 \mathrm{ms} \pm 12.0 \mathrm{μs}\left({\color{red}8.06 \mathrm{\%}}\right) $$	Flame Graph

read_scaling_complete

Function	Value	Mean	Flame graphs
entity_by_id;one_depth	1 entities	$$33.7 \mathrm{ms} \pm 141 \mathrm{μs}\left({\color{gray}-1.200 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	10 entities	$$72.3 \mathrm{ms} \pm 314 \mathrm{μs}\left({\color{gray}-3.656 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	25 entities	$$37.7 \mathrm{ms} \pm 159 \mathrm{μs}\left({\color{gray}-1.317 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	5 entities	$$41.2 \mathrm{ms} \pm 158 \mathrm{μs}\left({\color{gray}0.352 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	50 entities	$$47.4 \mathrm{ms} \pm 190 \mathrm{μs}\left({\color{gray}-1.514 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	1 entities	$$35.0 \mathrm{ms} \pm 122 \mathrm{μs}\left({\color{gray}-3.044 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	10 entities	$$411 \mathrm{ms} \pm 816 \mathrm{μs}\left({\color{gray}-3.996 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	25 entities	$$85.2 \mathrm{ms} \pm 362 \mathrm{μs}\left({\color{gray}1.62 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	5 entities	$$85.4 \mathrm{ms} \pm 268 \mathrm{μs}\left({\color{gray}0.425 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	50 entities	$$280 \mathrm{ms} \pm 656 \mathrm{μs}\left({\color{red}12.6 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	1 entities	$$12.9 \mathrm{ms} \pm 67.2 \mathrm{μs}\left({\color{gray}2.23 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	10 entities	$$12.9 \mathrm{ms} \pm 56.0 \mathrm{μs}\left({\color{gray}1.08 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	25 entities	$$13.0 \mathrm{ms} \pm 53.1 \mathrm{μs}\left({\color{gray}0.131 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	5 entities	$$12.7 \mathrm{ms} \pm 54.1 \mathrm{μs}\left({\color{gray}3.26 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	50 entities	$$15.4 \mathrm{ms} \pm 139 \mathrm{μs}\left({\color{gray}-2.705 \mathrm{\%}}\right) $$	Flame Graph

read_scaling_linkless

Function	Value	Mean	Flame graphs
entity_by_id	1 entities	$$12.4 \mathrm{ms} \pm 53.1 \mathrm{μs}\left({\color{lightgreen}-5.859 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10 entities	$$12.7 \mathrm{ms} \pm 56.6 \mathrm{μs}\left({\color{gray}-3.810 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	100 entities	$$12.6 \mathrm{ms} \pm 53.6 \mathrm{μs}\left({\color{lightgreen}-5.623 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	1000 entities	$$13.2 \mathrm{ms} \pm 66.8 \mathrm{μs}\left({\color{lightgreen}-6.818 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10000 entities	$$20.8 \mathrm{ms} \pm 130 \mathrm{μs}\left({\color{lightgreen}-5.020 \mathrm{\%}}\right) $$	Flame Graph

representative_read_entity

Function	Value	Mean	Flame graphs
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/block/v/1	$$28.1 \mathrm{ms} \pm 272 \mathrm{μs}\left({\color{gray}-0.742 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/book/v/1	$$27.5 \mathrm{ms} \pm 290 \mathrm{μs}\left({\color{gray}-1.747 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/building/v/1	$$28.7 \mathrm{ms} \pm 296 \mathrm{μs}\left({\color{red}6.33 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/organization/v/1	$$27.8 \mathrm{ms} \pm 280 \mathrm{μs}\left({\color{red}6.87 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/page/v/2	$$28.2 \mathrm{ms} \pm 303 \mathrm{μs}\left({\color{gray}3.51 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/person/v/1	$$28.3 \mathrm{ms} \pm 324 \mathrm{μs}\left({\color{gray}3.81 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/playlist/v/1	$$27.4 \mathrm{ms} \pm 284 \mathrm{μs}\left({\color{gray}0.820 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/song/v/1	$$28.4 \mathrm{ms} \pm 302 \mathrm{μs}\left({\color{red}5.39 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/uk-address/v/1	$$27.9 \mathrm{ms} \pm 282 \mathrm{μs}\left({\color{gray}-2.784 \mathrm{\%}}\right) $$	Flame Graph

representative_read_entity_type

Function	Value	Mean	Flame graphs
get_entity_type_by_id	Account ID: bf5a9ef5-dc3b-43cf-a291-6210c0321eba	$$6.98 \mathrm{ms} \pm 60.4 \mathrm{μs}\left({\color{red}6.84 \mathrm{\%}}\right) $$	Flame Graph

representative_read_multiple_entities

Function	Value	Mean	Flame graphs
entity_by_property	traversal_paths=0	0	$$44.6 \mathrm{ms} \pm 214 \mathrm{μs}\left({\color{gray}3.94 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=255	1,resolve_depths=inherit:1;values:255;properties:255;links:127;link_dests:126;type:true	$$89.7 \mathrm{ms} \pm 407 \mathrm{μs}\left({\color{red}6.72 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:0;link_dests:0;type:false	$$49.8 \mathrm{ms} \pm 264 \mathrm{μs}\left({\color{gray}4.26 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:1;link_dests:0;type:true	$$59.1 \mathrm{ms} \pm 327 \mathrm{μs}\left({\color{red}7.52 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:2;links:1;link_dests:0;type:true	$$66.6 \mathrm{ms} \pm 311 \mathrm{μs}\left({\color{red}8.53 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:2;properties:2;links:1;link_dests:0;type:true	$$71.3 \mathrm{ms} \pm 310 \mathrm{μs}\left({\color{red}6.77 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=0	0	$$48.7 \mathrm{ms} \pm 195 \mathrm{μs}\left({\color{gray}4.48 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=255	1,resolve_depths=inherit:1;values:255;properties:255;links:127;link_dests:126;type:true	$$70.7 \mathrm{ms} \pm 378 \mathrm{μs}\left({\color{gray}1.24 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:0;link_dests:0;type:false	$$54.0 \mathrm{ms} \pm 210 \mathrm{μs}\left({\color{gray}0.978 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:1;link_dests:0;type:true	$$59.9 \mathrm{ms} \pm 297 \mathrm{μs}\left({\color{gray}1.31 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:2;links:1;link_dests:0;type:true	$$62.0 \mathrm{ms} \pm 360 \mathrm{μs}\left({\color{gray}1.30 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:2;properties:2;links:1;link_dests:0;type:true	$$61.2 \mathrm{ms} \pm 264 \mathrm{μs}\left({\color{gray}-0.770 \mathrm{\%}}\right) $$

scenarios

Function	Value	Mean	Flame graphs
full_test	query-limited	$$124 \mathrm{ms} \pm 455 \mathrm{μs}\left({\color{gray}2.78 \mathrm{\%}}\right) $$	Flame Graph
full_test	query-unlimited	$$121 \mathrm{ms} \pm 423 \mathrm{μs}\left({\color{gray}3.25 \mathrm{\%}}\right) $$	Flame Graph
linked_queries	query-limited	$$38.1 \mathrm{ms} \pm 198 \mathrm{μs}\left({\color{red}6.35 \mathrm{\%}}\right) $$	Flame Graph
linked_queries	query-unlimited	$$517 \mathrm{ms} \pm 1.09 \mathrm{ms}\left({\color{gray}0.572 \mathrm{\%}}\right) $$	Flame Graph