chore(deps): bump cc from 1.5.1 to 1.6.0 by dependabot[bot] · Pull Request #1922 · hyperlight-dev/hyperlight

dependabot · 2026-10-12T07:31:34Z

Bumps cc from 1.5.1 to 1.6.0.

Release notes

cc-v1.6.0

Added

add Build::create_archive and emit_link_directives (#1972)

read the process environment once per Build, on first use (#1969)

add Build::message_logger for structured access to cc's messages (#1967)

add CXXSTDLIB_STATIC to link the C++ stdlib statically from outside (#1957)

Fixed

key the flag support cache on target, host, language and environment (#1965)

forward each line of compiler stderr once and whole with parallel (#1959)

Other

find compile commands by source file so tests pass with parallel (#1973)

add support for armeb-unknown-linux-gnueabi (#1958)

Changelog

Sourced from cc's changelog.

1.6.0 - 2026-10-03

Added

add Build::create_archive and emit_link_directives (#1972)

read the process environment once per Build, on first use (#1969)

add Build::message_logger for structured access to cc's messages (#1967)

add CXXSTDLIB_STATIC to link the C++ stdlib statically from outside (#1957)

Fixed

key the flag support cache on target, host, language and environment (#1965)

forward each line of compiler stderr once and whole with parallel (#1959)

Other

find compile commands by source file so tests pass with parallel (#1973)

add support for armeb-unknown-linux-gnueabi (#1958)

Commits

25fa77c chore(cc): release v1.6.0 (#1971)
53598f7 feat: add Build::create_archive and emit_link_directives (#1972)
9756c09 feat: read the process environment once per Build, on first use (#1969)
7347893 test: find compile commands by source file so tests pass with parallel (#1973)
1af399d ci(deps): bump dtolnay/rust-toolchain (#1970)
eca35e1 feat: add Build::message_logger for structured access to cc's messages (#1967)
c619f08 fix: key the flag support cache on target, host, language and environment (#1...
29fa8ba fix: forward each line of compiler stderr once and whole with parallel (#1959)
0c7e959 ci(deps): bump taiki-e/install-action from 2.87.12 to 2.87.18 (#1964)
c8e62c0 ci(deps): bump release-plz/action from 0.5.138 to 0.5.139 (#1961)
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Bumps [cc](https://github.com/rust-lang/cc-rs) from 1.5.1 to 1.6.0. - [Release notes](https://github.com/rust-lang/cc-rs/releases) - [Changelog](https://github.com/rust-lang/cc-rs/blob/main/CHANGELOG.md) - [Commits](rust-lang/cc-rs@cc-v1.5.1...cc-v1.6.0) --- updated-dependencies: - dependency-name: cc dependency-version: 1.6.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>

hyperlight-gh-bot · 2026-10-12T08:39:43Z

Benchmark Results

Measured commit: 397b0830ce0e
Baseline commit: dcb53c04a5a7

kvm / amd (Linux) (➖ stable)

No benchmark improved or regressed.

Benchmark Results

function_call_codec

	`encode_control`	`decode_vec_bytes_copy`
`byte_chunks`	`803.85 ns` (➖ 1.01x slower)
`vec_bytes`	`593.80 ns` (➖ 1.02x slower)
		`373.45 µs` (➖ 1.00x faster)

payload_allocation

	`slot_pool_segmented`
`262144`	`524.96 ns` (➖ 1.11x faster)
`65536`	`148.38 ns` (➖ 1.04x faster)

sandboxes

	`create_initialized_and_drop`
`medium`	`83.43 ms` (➖ 1.04x faster)

slot_pool

	`alloc_dealloc_1500`	`alloc_dealloc_4096`	`alloc_dealloc_128`
	`7.82 ns` (➖ 1.01x slower)	`7.71 ns` (➖ 1.00x faster)	`7.78 ns` (➖ 1.01x slower)

snapshot_files

	`load_snapshot_unverified`
`small`	`93.34 µs` (➖ 1.01x slower)

virtq_readonly

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`262144`	`7.09 µs` (➖ 1.00x slower)	`7.14 µs` (➖ 1.02x slower)
`65536`	`2.06 µs` (➖ 1.04x slower)	`1.92 µs` (➖ 1.10x faster)

virtq_readwrite

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`65536`	`6.31 µs` (➖ 1.05x faster)	`6.29 µs` (➖ 1.06x faster)
`8192`	`1.06 µs` (➖ 1.03x faster)	`1.04 µs` (➖ 1.04x faster)
`262144`		`28.38 µs` (➖ 1.02x slower)

kvm / intel (Linux) (➖ stable)

No benchmark improved or regressed.

Benchmark Results

function_call_codec

	`encode_control`	`decode_vec_bytes_copy`
`byte_chunks`	`819.01 ns` (➖ 1.07x slower)
`vec_bytes`	`566.90 ns` (➖ 1.01x faster)
		`708.78 µs` (➖ 1.03x faster)

payload_allocation

	`slot_pool_segmented`
`262144`	`542.58 ns` (➖ 1.11x faster)
`65536`	`147.80 ns` (➖ 1.08x faster)

sandboxes

	`create_initialized_and_drop`
`medium`	`80.39 ms` (➖ 1.07x faster)

slot_pool

	`alloc_dealloc_1500`	`alloc_dealloc_4096`	`alloc_dealloc_128`
	`7.61 ns` (➖ 1.07x faster)	`7.61 ns` (➖ 1.07x faster)	`7.60 ns` (➖ 1.07x faster)

snapshot_files

	`load_snapshot_unverified`
`small`	`49.66 µs` (➖ 1.03x faster)

virtq_readonly

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`262144`	`8.31 µs` (➖ 1.04x faster)	`8.20 µs` (➖ 1.07x faster)
`65536`	`2.31 µs` (➖ 1.08x faster)	`2.32 µs` (➖ 1.04x faster)

virtq_readwrite

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`65536`	`7.92 µs` (➖ 1.04x faster)	`7.81 µs` (➖ 1.05x faster)
`8192`	`819.29 ns` (➖ 1.07x faster)	`800.92 ns` (➖ 1.06x faster)
`262144`		`31.70 µs` (➖ 1.12x faster)

mshv3 / amd (Linux) (❌ 1.60x)

Top regressions

payload_allocation/slot_pool_segmented/262144 — ❌ 1.60x slower

Benchmark Results

function_call_codec

	`encode_control`	`decode_vec_bytes_copy`
`byte_chunks`	`979.54 ns` (➖ 1.02x slower)
`vec_bytes`	`707.51 ns` (➖ 1.00x faster)
		`318.97 µs` (➖ 1.01x faster)

payload_allocation

	`slot_pool_segmented`
`262144`	`1.13 µs` (❌ 1.60x slower)
`65536`	`191.46 ns` (➖ 1.05x slower)

sandboxes

	`create_initialized_and_drop`
`medium`	`64.08 ms` (➖ 1.02x slower)

slot_pool

	`alloc_dealloc_1500`	`alloc_dealloc_4096`	`alloc_dealloc_128`
	`9.93 ns` (➖ 1.00x slower)	`11.03 ns` (➖ 1.11x slower)	`14.17 ns` (➖ 1.40x slower)

snapshot_files

	`load_snapshot_unverified`
`small`	`86.95 µs` (➖ 1.00x slower)

virtq_readonly

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`262144`	`9.42 µs` (➖ 1.02x slower)	`9.16 µs` (➖ 1.01x slower)
`65536`	`2.64 µs` (➖ 1.02x faster)	`2.52 µs` (➖ 1.03x faster)

virtq_readwrite

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`65536`	`8.18 µs` (➖ 1.00x slower)	`7.98 µs` (➖ 1.05x faster)
`8192`	`1.38 µs` (➖ 1.05x slower)	`1.35 µs` (➖ 1.03x slower)
`262144`		`34.69 µs` (➖ 1.02x faster)

mshv3 / intel (Linux) (➖ stable)

No benchmark improved or regressed.

Benchmark Results

function_call_codec

	`encode_control`	`decode_vec_bytes_copy`
`byte_chunks`	`1.02 µs` (➖ 1.10x slower)
`vec_bytes`	`651.78 ns` (➖ 1.02x faster)
		`670.24 µs` (➖ 1.11x faster)

payload_allocation

	`slot_pool_segmented`
`262144`	`633.72 ns` (➖ 1.01x slower)
`65536`	`169.98 ns` (➖ 1.03x slower)

sandboxes

	`create_initialized_and_drop`
`medium`	`72.36 ms` (➖ 1.01x faster)

slot_pool

	`alloc_dealloc_1500`	`alloc_dealloc_4096`	`alloc_dealloc_128`
	`8.82 ns` (➖ 1.08x faster)	`8.83 ns` (➖ 1.00x slower)	`8.84 ns` (➖ 1.00x faster)

snapshot_files

	`load_snapshot_unverified`
`small`	`46.20 µs` (➖ 1.08x faster)

virtq_readonly

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`262144`	`7.97 µs` (➖ 1.00x faster)	`8.09 µs` (➖ 1.01x slower)
`65536`	`2.29 µs` (➖ 1.01x faster)	`2.30 µs` (➖ 1.01x slower)

virtq_readwrite

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`65536`	`7.63 µs` (➖ 1.01x slower)	`7.59 µs` (➖ 1.00x faster)
`8192`	`927.11 ns` (➖ 1.01x faster)	`928.72 ns` (➖ 1.03x slower)
`262144`		`40.31 µs` (➖ 1.00x slower)

hyperv-ws2025 / amd (Windows) (➖ stable)

No benchmark improved or regressed.

Benchmark Results

function_call_codec

	`encode_control`	`decode_vec_bytes_copy`
`byte_chunks`	`1.19 µs` (➖ 1.00x faster)
`vec_bytes`	`784.11 ns` (➖ 1.04x faster)
		`2.16 ms` (➖ 1.03x faster)

payload_allocation

	`slot_pool_segmented`
`262144`	`786.92 ns` (➖ 1.01x faster)
`65536`	`230.95 ns` (➖ 1.00x slower)

sandboxes

	`create_initialized_and_drop`
`medium`	`89.70 ms` (➖ 1.02x faster)

slot_pool

	`alloc_dealloc_1500`	`alloc_dealloc_4096`	`alloc_dealloc_128`
	`9.98 ns` (➖ 1.07x faster)	`10.10 ns` (➖ 1.07x faster)	`10.22 ns` (➖ 1.05x faster)

snapshot_files

	`load_snapshot_unverified`
`small`	`667.38 µs` (➖ 1.07x faster)

virtq_readonly

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`262144`	`9.08 µs` (➖ 1.07x faster)	`9.19 µs` (➖ 1.01x faster)
`65536`	`2.40 µs` (➖ 1.05x faster)	`2.34 µs` (➖ 1.01x slower)

virtq_readwrite

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`65536`	`9.29 µs` (➖ 1.05x slower)	`8.92 µs` (➖ 1.01x slower)
`8192`	`1.31 µs` (➖ 1.06x faster)	`1.37 µs` (➖ 1.03x slower)
`262144`		`42.56 µs` (➖ 1.04x slower)

hyperv-ws2025 / intel (Windows) (➖ stable)

No benchmark improved or regressed.

Benchmark Results

function_call_codec

	`encode_control`	`decode_vec_bytes_copy`
`byte_chunks`	`982.97 ns` (➖ 1.03x slower)
`vec_bytes`	`638.53 ns` (➖ 1.01x slower)
		`3.66 ms` (➖ 1.01x slower)

payload_allocation

	`slot_pool_segmented`
`262144`	`646.16 ns` (➖ 1.07x faster)
`65536`	`185.09 ns` (➖ 1.08x faster)

sandboxes

	`create_initialized_and_drop`
`medium`	`127.48 ms` (➖ 1.01x slower)

slot_pool

	`alloc_dealloc_1500`	`alloc_dealloc_4096`	`alloc_dealloc_128`
	`8.31 ns` (➖ 1.01x faster)	`8.38 ns` (➖ 1.05x faster)	`8.51 ns` (➖ 1.01x slower)

snapshot_files

	`load_snapshot_unverified`
`small`	`451.64 µs` (➖ 1.03x faster)

virtq_readonly

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`262144`	`8.43 µs` (➖ 1.02x slower)	`8.39 µs` (➖ 1.01x slower)
`65536`	`2.45 µs` (➖ 1.01x slower)	`2.45 µs` (➖ 1.00x faster)

virtq_readwrite

	`slot_pool_segmented_fragmented`	`slot_pool_segmented`
`65536`	`9.03 µs` (➖ 1.02x slower)	`8.93 µs` (➖ 1.02x slower)
`8192`	`1.10 µs` (➖ 1.03x faster)	`1.10 µs` (➖ 1.00x slower)
`262144`		`33.66 µs` (➖ 1.01x slower)

_{Reported by cargo ci bench-report --candidate run:38218240396 --config-file bench_report.toml.}

dependabot Bot added the kind/dependencies For PRs that update dependencies or related components label Oct 12, 2026

dependabot Bot requested review from andreiltd, danbugs, dblnz, devigned, jprendes, jsturtevant, ludfjig, simongdavies, squillace and syntactically as code owners October 12, 2026 07:31

Conversation

dependabot Bot commented on behalf of github Oct 12, 2026

cc-v1.6.0

Added

Fixed

Other

1.6.0 - 2026-10-03

Added

Fixed

Other

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hyperlight-gh-bot Bot commented Oct 12, 2026

Benchmark Results

Benchmark Results

function_call_codec

payload_allocation

sandboxes

slot_pool

snapshot_files

virtq_readonly

virtq_readwrite

Benchmark Results

function_call_codec

payload_allocation

sandboxes

slot_pool

snapshot_files

virtq_readonly

virtq_readwrite

Top regressions

Benchmark Results

function_call_codec

payload_allocation

sandboxes

slot_pool

snapshot_files

virtq_readonly

virtq_readwrite

Benchmark Results

function_call_codec

payload_allocation

sandboxes

slot_pool

snapshot_files

virtq_readonly

virtq_readwrite

Benchmark Results

function_call_codec

payload_allocation

sandboxes

slot_pool

snapshot_files

virtq_readonly

virtq_readwrite

Benchmark Results

function_call_codec

payload_allocation

sandboxes

slot_pool

snapshot_files

virtq_readonly

virtq_readwrite

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