hyperlight-host 0.15.0

A lightweight Virtual Machine Manager that can be hosted in an application to safely run untrusted or code within a VM partition with very low latency and overhead.
Documentation

Build #3245803 2026-05-07 15:36:07

# rustc version rustc 1.97.0-nightly (365c0e1d7 2026-05-06)

# docs.rs version docsrs 0.0.0 (ad302d961e54d5d2c273ab5bb3d4139759c933ad 2026-05-03 )

# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder4/builds/hyperlight-host-0.15.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder4/builds/hyperlight-host-0.15.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder4/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder4/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "6442450944" "--cpuset-cpus" "26-31" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 428e7793bde610c7669a680870d63b1a152912e18c7db0d03e5436b0d1e24e5a [INFO] running `Command { std: "docker" "start" "428e7793bde610c7669a680870d63b1a152912e18c7db0d03e5436b0d1e24e5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "428e7793bde610c7669a680870d63b1a152912e18c7db0d03e5436b0d1e24e5a" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260506-1.97.0-nightly-365c0e1d7\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] warning: Rustdoc did not scrape the following examples because they require dev-dependencies: crashdump, func_ctx, guest-debugging, hello-world, logging, map-file-cow-test, metrics, tracing, tracing-chrome, tracing-otlp [INFO] [stderr] If you want Rustdoc to scrape these examples, then add `doc-scrape-examples = true` [INFO] [stderr] to the [[example]] target configuration of at least one example. [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting hyperlight-host v0.15.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unresolved link to `InterruptHandle::kill` [INFO] [stderr] --> src/error.rs:218:55 [INFO] [stderr] | [INFO] [stderr] 218 | /// - **Host-initiated cancellation** - Calling [`InterruptHandle::kill()`] to forcefully [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ no item named `InterruptHandle` in scope [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `hyperlight_common::layout::SNAPSHOT_PT_GVA` [INFO] [stderr] | [INFO] [stderr] = note: the link appears in this line: [INFO] [stderr] [INFO] [stderr] [`hyperlight_common::layout::SNAPSHOT_PT_GVA`] = [INFO] [stderr] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: no item named `SNAPSHOT_PT_GVA` in module `layout` [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `MultiUseSandbox::map_file_cow` [INFO] [stderr] --> src/mem/memory_region.rs:145:42 [INFO] [stderr] | [INFO] [stderr] 145 | /// An externally-mapped file (via [`MultiUseSandbox::map_file_cow`]). [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `MultiUseSandbox` in scope [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `super::memory_region::HostRegionBase` [INFO] [stderr] --> src/mem/shared_mem.rs:779:38 [INFO] [stderr] | [INFO] [stderr] 779 | /// returns a [`HostRegionBase`](super::memory_region::HostRegionBase) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `HostRegionBase` in module `memory_region` [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `LevelFilter::Error` [INFO] [stderr] --> src/sandbox/uninitialized.rs:526:25 [INFO] [stderr] | [INFO] [stderr] 526 | /// defaulting to [`LevelFilter::Error`] if unset. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ the struct `LevelFilter` has no field or associated item named `Error` [INFO] [stderr] [INFO] [stderr] warning: redundant explicit link target [INFO] [stderr] --> src/sandbox/initialized_multi_use.rs:227:39 [INFO] [stderr] | [INFO] [stderr] 227 | /// a [`SnapshotSandboxMismatch`](crate::HyperlightError::SnapshotSandboxMismatch) error. [INFO] [stderr] | ------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ explicit target is redundant [INFO] [stderr] | | [INFO] [stderr] | because label contains path that resolves to same destination [INFO] [stderr] | [INFO] [stderr] = note: when a link's destination is not specified, [INFO] [stderr] the label is used to resolve intra-doc links [INFO] [stderr] = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default [INFO] [stderr] help: remove explicit link target [INFO] [stderr] | [INFO] [stderr] 227 - /// a [`SnapshotSandboxMismatch`](crate::HyperlightError::SnapshotSandboxMismatch) error. [INFO] [stderr] 227 + /// a [`SnapshotSandboxMismatch`] error. [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `hyperlight-host` (lib doc) generated 6 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.13s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/hyperlight_host/index.html [INFO] running `Command { std: "docker" "stop" "-t" "1" "428e7793bde610c7669a680870d63b1a152912e18c7db0d03e5436b0d1e24e5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "428e7793bde610c7669a680870d63b1a152912e18c7db0d03e5436b0d1e24e5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "428e7793bde610c7669a680870d63b1a152912e18c7db0d03e5436b0d1e24e5a", kill_on_drop: false }` [INFO] [stdout] 428e7793bde610c7669a680870d63b1a152912e18c7db0d03e5436b0d1e24e5a