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chore(deps): bump wasmtime and wasmtime-wasi to 48.0.0 together - #2140
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Supersedes #2134 and #2136, which cannot pass individually. Dependabot raised the pair as two PRs. Either alone leaves the other at 47.0.3, and the resulting lockfile carries BOTH versions -- the failing job logs show `wasmtime-environ v47.0.3` and `v48.0.0` downloaded side by side -- so all 14 checks fail on each. They have to move in one commit. 48.0.0 also changes the WASI sandbox API, which neither PR could have handled. `DirPerms` and `FilePerms` are replaced by a single `FsPerms`, and `preopened_dir` takes three arguments instead of four. The mapping is exact at all three call sites, so no permission widens: DirPerms::READ, FilePerms::READ -> FsPerms::ReadOnly DirPerms::all(), FilePerms::all() -> FsPerms::ReadWrite Worth stating explicitly because these are sandbox policy: the Python plugin runtime mounts its stdlib read-only and its work directory read-write, and that is unchanged. Verified: workspace compiles, `cargo test --workspace` passes except the pre-existing `corpus_parity` failure (28 files, stale prebuilt wasm, fails identically on main), clippy clean on 1.97.
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Pull request overview
Updates the workspace’s Wasmtime runtime dependencies to v48.0.0 in a single coordinated change, including the required WASI sandbox API migration so the plugin runtime and component-parity tests continue to build and enforce the same sandbox policy.
Changes:
- Bumped
wasmtimeandwasmtime-wasiworkspace dependencies to48.0.0(together to avoid dual-version lockfile resolution). - Migrated WASI preopen permission configuration from
DirPerms/FilePermstoFsPermsat all existing call sites (Python WASI runtime + component parity test). - Refreshed
Cargo.lockandsupply-chain/imports.lockto reflect the new dependency graph and publisher metadata.
Reviewed changes
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Show a summary per file
| File | Description |
|---|---|
| supply-chain/imports.lock | Updates vetted publisher/version entries for Wasmtime-related crates after the bump. |
| crates/rustledger-plugin/src/python/runtime.rs | Migrates WASI preopened directory configuration to FsPerms while keeping stdlib read-only and work dir read-write. |
| crates/rustledger-ffi-component-tests/tests/parity.rs | Updates the parity harness’ preopen to the new FsPerms API (read-only /work). |
| Cargo.toml | Bumps workspace dependency versions for wasmtime and wasmtime-wasi to 48.0.0. |
| Cargo.lock | Regenerates the lockfile so the workspace resolves a single Wasmtime major version and its updated transitive deps. |
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📊 Benchmark Results
vs base, measured in this run
A difference counts only when it clears the combined spread of the two measurements, per shape (2σ: What do these numbers mean?
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Codecov Report✅ All modified and coverable lines are covered by tests. 📢 Thoughts on this report? Let us know! |
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✅ Compatibility Test Results
What's tested
Full results available in workflow artifacts |
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Supersedes #2134 and #2136. Both can be closed.
Why neither Dependabot PR can pass
They raise the same version bump as two separate PRs. Either alone leaves the other crate at 47.0.3, and the resulting lockfile carries both versions. From #2134's failing job log:
That is why all 14 checks fail on each, identically. They have to move in one commit.
48.0.0 also changes the WASI sandbox API
Neither PR could have handled this, since Dependabot does not migrate code.
DirPermsandFilePermsare replaced by a singleFsPermsenum, andpreopened_dirtakes three arguments instead of four.The mapping is exact at all three call sites, so no permission widens:
DirPerms::READ, FilePerms::READFsPerms::ReadOnlyDirPerms::all(), FilePerms::all()FsPerms::ReadWriteCalling that out explicitly because these are sandbox policy, not ergonomics. The Python plugin runtime mounts its stdlib read-only and its work directory read-write; both are unchanged. The component parity test's preopen stays read-only.
Verification
47.0.3left inCargo.lockcargo test --workspacepasses except the pre-existingcorpus_parityfailure (28 files, stale prebuilt wasm) which fails identically onmaincargo +1.97.0 clippy --workspace --all-targetscleanrustledger-plugintests pass, which are the ones that actually build a WASI context🤖 Generated with Claude Code
https://claude.ai/code/session_012nNGPA44Dt32NyxWem26xr