starting build "f09048df-5726-4842-854e-abbfabece04f"

FETCHSOURCE
BUILD
Starting Step #0
Step #0: Already have image (with digest): gcr.io/cloud-builders/git
Step #0: Cloning into 'oss-fuzz'...
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Starting Step #1
Step #1: Already have image (with digest): gcr.io/cloud-builders/docker
Step #1: Sending build context to Docker daemon  6.144kB

Step #1: Step 1/4 : FROM gcr.io/oss-fuzz-base/base-builder-rust as builder
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Step #1: Digest: sha256:6ae4900e381e72a8b289796615870dafe781dd8b5ea78325ea5fb7d920e7d95c
Step #1: Status: Downloaded newer image for gcr.io/oss-fuzz-base/base-builder-rust:latest
Step #1:  ---> 3f05e6bfa4aa
Step #1: Step 2/4 : RUN apt-get update
Step #1:  ---> Running in 9d043aacb6af
Step #1: Hit:1 http://security.ubuntu.com/ubuntu focal-security InRelease
Step #1: Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease
Step #1: Get:3 http://archive.ubuntu.com/ubuntu focal-updates InRelease [128 kB]
Step #1: Hit:4 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Step #1: Fetched 128 kB in 1s (131 kB/s)
Step #1: Reading package lists...
Step #1: Removing intermediate container 9d043aacb6af
Step #1:  ---> 5dcca65ee81e
Step #1: Step 3/4 : RUN git clone --depth 1 https://github.com/cloud-hypervisor/cloud-hypervisor.git
Step #1:  ---> Running in d9e16af4d488
Step #1: Cloning into 'cloud-hypervisor'...
Step #1: Removing intermediate container d9e16af4d488
Step #1:  ---> b29a193b7833
Step #1: Step 4/4 : COPY build.sh $SRC/
Step #1:  ---> 8f8ec2c21a88
Step #1: Successfully built 8f8ec2c21a88
Step #1: Successfully tagged gcr.io/oss-fuzz/cloud-hypervisor:latest
Finished Step #1
Starting Step #2 - "srcmap"
Step #2 - "srcmap": Already have image: gcr.io/oss-fuzz/cloud-hypervisor
Step #2 - "srcmap": ++ tempfile
Step #2 - "srcmap": + SRCMAP=/tmp/file2rz0dM
Step #2 - "srcmap": + echo '{}'
Step #2 - "srcmap": + PATHS_TO_SCAN=/src
Step #2 - "srcmap": + [[ rust == \g\o ]]
Step #2 - "srcmap": ++ find /src -name .git -type d
Step #2 - "srcmap": + for DOT_GIT_DIR in $(find $PATHS_TO_SCAN -name ".git" -type d)
Step #2 - "srcmap": ++ dirname /src/cloud-hypervisor/.git
Step #2 - "srcmap": + GIT_DIR=/src/cloud-hypervisor
Step #2 - "srcmap": + cd /src/cloud-hypervisor
Step #2 - "srcmap": ++ git config --get remote.origin.url
Step #2 - "srcmap": + GIT_URL=https://github.com/cloud-hypervisor/cloud-hypervisor.git
Step #2 - "srcmap": ++ git rev-parse HEAD
Step #2 - "srcmap": + GIT_REV=349f5fdd4ee7e4f227336094fc29f83e3e83b527
Step #2 - "srcmap": + jq_inplace /tmp/file2rz0dM '."/src/cloud-hypervisor" = { type: "git", url: "https://github.com/cloud-hypervisor/cloud-hypervisor.git", rev: "349f5fdd4ee7e4f227336094fc29f83e3e83b527" }'
Step #2 - "srcmap": ++ tempfile
Step #2 - "srcmap": + F=/tmp/filepmgfMb
Step #2 - "srcmap": + cat /tmp/file2rz0dM
Step #2 - "srcmap": + jq '."/src/cloud-hypervisor" = { type: "git", url: "https://github.com/cloud-hypervisor/cloud-hypervisor.git", rev: "349f5fdd4ee7e4f227336094fc29f83e3e83b527" }'
Step #2 - "srcmap": + mv /tmp/filepmgfMb /tmp/file2rz0dM
Step #2 - "srcmap": ++ find /src -name .svn -type d
Step #2 - "srcmap": ++ find /src -name .hg -type d
Step #2 - "srcmap": + '[' '' '!=' '' ']'
Step #2 - "srcmap": + cat /tmp/file2rz0dM
Step #2 - "srcmap": + rm /tmp/file2rz0dM
Step #2 - "srcmap": {
Step #2 - "srcmap":   "/src/cloud-hypervisor": {
Step #2 - "srcmap":     "type": "git",
Step #2 - "srcmap":     "url": "https://github.com/cloud-hypervisor/cloud-hypervisor.git",
Step #2 - "srcmap":     "rev": "349f5fdd4ee7e4f227336094fc29f83e3e83b527"
Step #2 - "srcmap":   }
Step #2 - "srcmap": }
Finished Step #2 - "srcmap"
Starting Step #3 - "compile-libfuzzer-coverage-x86_64"
Step #3 - "compile-libfuzzer-coverage-x86_64": Already have image (with digest): gcr.io/cloud-builders/docker
Step #3 - "compile-libfuzzer-coverage-x86_64": ---------------------------------------------------------------
Step #3 - "compile-libfuzzer-coverage-x86_64": vm.mmap_rnd_bits = 28
Step #3 - "compile-libfuzzer-coverage-x86_64": Compiling libFuzzer to /usr/lib/libFuzzingEngine.a...  done.
Step #3 - "compile-libfuzzer-coverage-x86_64": ---------------------------------------------------------------
Step #3 - "compile-libfuzzer-coverage-x86_64": CC=clang
Step #3 - "compile-libfuzzer-coverage-x86_64": CXX=clang++
Step #3 - "compile-libfuzzer-coverage-x86_64": CFLAGS=-O1 -fno-omit-frame-pointer -gline-tables-only -Wno-error=enum-constexpr-conversion -Wno-error=incompatible-function-pointer-types -Wno-error=int-conversion -Wno-error=deprecated-declarations -Wno-error=implicit-function-declaration -Wno-error=implicit-int -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION  -fprofile-instr-generate -fcoverage-mapping -pthread -Wl,--no-as-needed -Wl,-ldl -Wl,-lm -Wno-unused-command-line-argument
Step #3 - "compile-libfuzzer-coverage-x86_64": CXXFLAGS=-O1 -fno-omit-frame-pointer -gline-tables-only -Wno-error=enum-constexpr-conversion -Wno-error=incompatible-function-pointer-types -Wno-error=int-conversion -Wno-error=deprecated-declarations -Wno-error=implicit-function-declaration -Wno-error=implicit-int -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION  -fprofile-instr-generate -fcoverage-mapping -pthread -Wl,--no-as-needed -Wl,-ldl -Wl,-lm -Wno-unused-command-line-argument -stdlib=libc++
Step #3 - "compile-libfuzzer-coverage-x86_64": RUSTFLAGS=--cfg fuzzing -Cdebuginfo=1 -Cforce-frame-pointers -Cinstrument-coverage -C link-arg=-lc++
Step #3 - "compile-libfuzzer-coverage-x86_64": ---------------------------------------------------------------
Step #3 - "compile-libfuzzer-coverage-x86_64": + cd /src/cloud-hypervisor
Step #3 - "compile-libfuzzer-coverage-x86_64": + cargo fuzz build -O
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating crates.io index
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git repository `https://github.com/firecracker-microvm/micro-http`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git repository `https://github.com/rust-vmm/acpi_tables`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git repository `https://github.com/rust-vmm/vfio`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git repository `https://github.com/rust-vmm/vfio-user`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git repository `https://github.com/rust-vmm/vm-fdt`
Step #3 - "compile-libfuzzer-coverage-x86_64":     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
Step #3 - "compile-libfuzzer-coverage-x86_64":  Downloading crates ...
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded anyhow v1.0.86
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded arc-swap v1.7.1
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Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded serde_json v1.0.125
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded seccompiler v0.4.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded libfuzzer-sys v0.4.7
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded hashbrown v0.14.5
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded gdbstub v0.7.1
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded clap_builder v4.5.13
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded linux-loader v0.11.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded kvm-ioctls v0.17.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded flume v0.11.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded vmm-sys-util v0.12.1
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded vm-memory v0.14.1
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded uuid v1.10.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded utf8parse v0.2.2
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded unicode-ident v1.0.12
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded thiserror-impl v1.0.63
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded thiserror v1.0.63
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded strsim v0.11.1
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded spin v0.9.8
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded smallvec v1.13.2
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded signal-hook-registry v1.4.2
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded signal-hook v0.3.17
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded shlex v1.3.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded serde_with_macros v3.9.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded managed v0.8.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded log v0.4.22
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded lock_api v0.4.12
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded getrandom v0.2.15
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded enumflags2 v0.7.10
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded darling_core v0.20.10
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded darling v0.20.10
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded crc-any v2.5.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded clap v4.5.13
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded cfg-if v1.0.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded cc v1.1.11
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded bitflags v2.6.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded bitflags v1.3.2
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded serde v1.0.208
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded quote v1.0.36
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded proc-macro2 v1.0.86
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded proc-macro-crate v3.1.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded once_cell v1.19.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded num-traits v0.2.19
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded memchr v2.7.4
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded kvm-bindings v0.8.1
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded jobserver v0.1.32
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded indexmap v2.5.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded nanorand v0.7.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded landlock v0.4.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded gdbstub_arch v0.3.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded futures-core v0.3.30
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded epoll v4.3.3
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded byteorder v1.5.0
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded num_enum_derive v0.7.2
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded is_terminal_polyfill v1.70.1
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded concat-idents v1.1.5
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded arbitrary v1.3.2
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded anstyle-parse v0.2.5
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded remain v0.2.14
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded paste v1.0.15
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded itoa v1.0.11
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded fnv v1.0.7
Step #3 - "compile-libfuzzer-coverage-x86_64":   Downloaded clap_lex v0.7.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling proc-macro2 v1.0.86
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling unicode-ident v1.0.12
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling libc v0.2.158
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling serde v1.0.208
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling thiserror v1.0.63
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling bitflags v1.3.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling log v0.4.22
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling arc-swap v1.7.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling cfg-if v1.0.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling bitflags v2.6.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling autocfg v1.3.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling byteorder v1.5.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling strsim v0.11.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling ident_case v1.0.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling fnv v1.0.7
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling anyhow v1.0.86
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling serde_json v1.0.125
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling memchr v2.7.4
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling itoa v1.0.11
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling ryu v1.0.18
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling kvm-ioctls v0.17.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling scopeguard v1.2.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling hashbrown v0.14.5
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling equivalent v1.0.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling toml_datetime v0.6.8
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling winnow v0.5.40
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling virtio-bindings v0.2.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling once_cell v1.19.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling paste v1.0.15
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling futures-core v0.3.30
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling utf8parse v0.2.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling futures-sink v0.3.30
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling is_terminal_polyfill v1.70.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling anstyle v1.0.8
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling debug-helper v0.3.13
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling anstyle-query v1.1.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling net_util v0.1.0 (/src/cloud-hypervisor/net_util)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling shlex v1.3.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling colorchoice v1.0.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling signal-hook v0.3.17
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling anstyle-parse v0.2.5
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling crc-any v2.5.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling virtio-devices v0.1.0 (/src/cloud-hypervisor/virtio-devices)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling managed v0.8.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling micro_http v0.1.0 (https://github.com/firecracker-microvm/micro-http?branch=main#8182cd55)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling smallvec v1.13.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling clap_lex v0.7.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling vmm v0.1.0 (/src/cloud-hypervisor/vmm)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling serial_buffer v0.1.0 (/src/cloud-hypervisor/serial_buffer)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling option_parser v0.1.0 (/src/cloud-hypervisor/option_parser)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling anstream v0.6.15
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling arbitrary v1.3.2
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: net_util@0.1.0: cargo::rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling lock_api v0.4.12
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling num-traits v0.2.19
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: virtio-devices@0.1.0: cargo::rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: vmm@0.1.0: cargo::rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling clap_builder v4.5.13
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling indexmap v2.5.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling quote v1.0.36
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling spin v0.9.8
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling syn v2.0.72
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling getrandom v0.2.15
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling epoll v4.3.3
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling jobserver v0.1.32
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling seccompiler v0.4.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling signal-hook-registry v1.4.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling uuid v1.10.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling nanorand v0.7.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling cc v1.1.11
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling flume v0.11.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling gdbstub v0.7.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling toml_edit v0.21.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling clap v4.5.13
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling libfuzzer-sys v0.4.7
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling gdbstub_arch v0.3.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling proc-macro-crate v3.1.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling darling_core v0.20.10
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling serde_derive v1.0.208
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling thiserror-impl v1.0.63
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling zerocopy-derive v0.7.35
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling concat-idents v1.1.5
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling enumflags2_derive v0.7.10
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling num_enum_derive v0.7.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling remain v0.2.14
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling darling_macro v0.20.10
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling enumflags2 v0.7.10
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling zerocopy v0.7.35
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling vm-memory v0.14.1
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling landlock v0.4.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling acpi_tables v0.1.0 (https://github.com/rust-vmm/acpi_tables?branch=main#ca1a473f)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling num_enum v0.7.2
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling vm-allocator v0.1.0 (/src/cloud-hypervisor/vm-allocator)
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling linux-loader v0.11.0
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling darling v0.20.10
Step #3 - "compile-libfuzzer-coverage-x86_64":    Compiling serde_with_macros v3.9.0
Step #3 - "compile-libfuzzer-coverage-x86_64": error[E0658]: `#[diagnostic]` attribute name space is experimental
Step #3 - "compile-libfuzzer-coverage-x86_64":    --> /rust/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.208/src/de/mod.rs:537:5
Step #3 - "compile-libfuzzer-coverage-x86_64":     |
Step #3 - "compile-libfuzzer-coverage-x86_64": 537 |     diagnostic::on_unimplemented(
Step #3 - "compile-libfuzzer-coverage-x86_64":     |     ^^^^^^^^^^
Step #3 - "compile-libfuzzer-coverage-x86_64":     |
Step #3 - "compile-libfuzzer-coverage-x86_64":     = note: see issue #111996 <https://github.com/rust-lang/rust/issues/111996> for more information
Step #3 - "compile-libfuzzer-coverage-x86_64":     = help: add `#![feature(diagnostic_namespace)]` to the crate attributes to enable
Step #3 - "compile-libfuzzer-coverage-x86_64":     = note: this compiler was built on 2024-02-11; consider upgrading it if it is out of date
Step #3 - "compile-libfuzzer-coverage-x86_64": 
Step #3 - "compile-libfuzzer-coverage-x86_64": error[E0658]: `#[diagnostic]` attribute name space is experimental
Step #3 - "compile-libfuzzer-coverage-x86_64":    --> /rust/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.208/src/ser/mod.rs:220:5
Step #3 - "compile-libfuzzer-coverage-x86_64":     |
Step #3 - "compile-libfuzzer-coverage-x86_64": 220 |     diagnostic::on_unimplemented(
Step #3 - "compile-libfuzzer-coverage-x86_64":     |     ^^^^^^^^^^
Step #3 - "compile-libfuzzer-coverage-x86_64":     |
Step #3 - "compile-libfuzzer-coverage-x86_64":     = note: see issue #111996 <https://github.com/rust-lang/rust/issues/111996> for more information
Step #3 - "compile-libfuzzer-coverage-x86_64":     = help: add `#![feature(diagnostic_namespace)]` to the crate attributes to enable
Step #3 - "compile-libfuzzer-coverage-x86_64":     = note: this compiler was built on 2024-02-11; consider upgrading it if it is out of date
Step #3 - "compile-libfuzzer-coverage-x86_64": 
Step #3 - "compile-libfuzzer-coverage-x86_64": For more information about this error, try `rustc --explain E0658`.
Step #3 - "compile-libfuzzer-coverage-x86_64": The following warnings were emitted during compilation:
Step #3 - "compile-libfuzzer-coverage-x86_64": 
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": warning: serde@1.0.208: cargo:rustc-check-cfg requires -Zcheck-cfg flag
Step #3 - "compile-libfuzzer-coverage-x86_64": 
Step #3 - "compile-libfuzzer-coverage-x86_64": error: could not compile `serde` (lib) due to 2 previous errors
Step #3 - "compile-libfuzzer-coverage-x86_64": ********************************************************************************
Step #3 - "compile-libfuzzer-coverage-x86_64": Failed to build.
Step #3 - "compile-libfuzzer-coverage-x86_64": To reproduce, run:
Step #3 - "compile-libfuzzer-coverage-x86_64": python infra/helper.py build_image cloud-hypervisor
Step #3 - "compile-libfuzzer-coverage-x86_64": python infra/helper.py build_fuzzers --sanitizer coverage --engine libfuzzer --architecture x86_64 cloud-hypervisor
Step #3 - "compile-libfuzzer-coverage-x86_64": ********************************************************************************
Finished Step #3 - "compile-libfuzzer-coverage-x86_64"
ERROR
ERROR: build step 3 "gcr.io/cloud-builders/docker" failed: step exited with non-zero status: 1