Automated update to rustc (to nightly-2026-03-01)

[github-actions]

Automated update to Rust nightly by create-pull-request GitHub action

[storopoli]

We are running into the same errors in #1330
See #1330 (comment)

Still we should wait for SP1 v6.0.0 stable - Should be coming soon

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.26%. Comparing base (c5da4f6) to head (de57429).

❗ There is a different number of reports uploaded between BASE (c5da4f6) and HEAD (de57429). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (c5da4f6)	HEAD (de57429)
unit	2	1
functional	1	0

@@            Coverage Diff             @@
##             main    #1449      +/-   ##
==========================================
- Coverage   73.49%   64.26%   -9.23%     
==========================================
  Files         780      778       -2     
  Lines       73404    73317      -87     
==========================================
- Hits        53946    47116    -6830     
- Misses      19458    26201    +6743     

Flag	Coverage Δ
functional	?
unit	64.26% <ø> (-0.02%)	⬇️

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see 215 files with indirect coverage changes

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