[INFO] cloning repository https://github.com/jonhermansen/virtiofsd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonhermansen/virtiofsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhermansen%2Fvirtiofsd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhermansen%2Fvirtiofsd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15add13b6d86cda6dd2795286665a62ff7f29203
[INFO] testing jonhermansen/virtiofsd against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhermansen%2Fvirtiofsd" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonhermansen/virtiofsd
[INFO] finished tweaking git repo https://github.com/jonhermansen/virtiofsd
[INFO] tweaked toml for git repo https://github.com/jonhermansen/virtiofsd written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonhermansen/virtiofsd on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonhermansen/virtiofsd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f29bcc33bd6509e151f9c2854e48311e1f3aaca74ca192bd8cb2c857f8b1c65
[INFO] running `Command { std: "docker" "start" "-a" "1f29bcc33bd6509e151f9c2854e48311e1f3aaca74ca192bd8cb2c857f8b1c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f29bcc33bd6509e151f9c2854e48311e1f3aaca74ca192bd8cb2c857f8b1c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f29bcc33bd6509e151f9c2854e48311e1f3aaca74ca192bd8cb2c857f8b1c65", kill_on_drop: false }`
[INFO] [stdout] 1f29bcc33bd6509e151f9c2854e48311e1f3aaca74ca192bd8cb2c857f8b1c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19b3d78eb19310e07a8a55959dc1bb8793c97f729c3cb2b1fe6c08c1e43e2cb7
[INFO] running `Command { std: "docker" "start" "-a" "19b3d78eb19310e07a8a55959dc1bb8793c97f729c3cb2b1fe6c08c1e43e2cb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.168
[INFO] [stderr]    Compiling arc-swap v1.5.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling virtio-bindings v0.2.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling libseccomp-sys v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling capng v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling btree-range-map v0.7.2
[INFO] [stderr]    Compiling clap_builder v4.3.11
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling vmm-sys-util v0.12.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syslog v6.1.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.168
[INFO] [stderr]    Compiling uuid-macro-internal v1.11.0
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling vm-memory v0.16.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling virtio-queue v0.14.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling clap v4.3.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling vhost v0.13.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling vhost-user-backend v0.17.0
[INFO] [stderr]    Compiling postcard v1.0.6
[INFO] [stderr]    Compiling virtiofsd v1.13.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/filesystem.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next(&mut self) -> Option<DirEntry>;
[INFO] [stdout]     |             ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn next(&mut self) -> Option<DirEntry<'_>>;
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/read_dir.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next(&mut self) -> Option<DirEntry> {
[INFO] [stdout]    |             ^^^^^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next(&mut self) -> Option<DirEntry<'_>> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustct0RLzv/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libsyslog-45965332898930b9,libhostname-a433dcc82c43f8d9,libmatch_cfg-4ff408791b5a10a9,libtime-b4b41f8958d1f401,libnum_threads-4dcd851e730118f6,libitoa-8368a3a643979ba6,liberror_chain-e698957a62a79544,libenv_logger-e5d9d33eb86657cd,libatty-391c878188a805f6,libtermcolor-214b0416d5f44404,libhumantime-9f900d7885b5087e,libregex-e36d5da42948921c,libaho_corasick-e52277d9c961f29e,libregex_syntax-5828088d146e167d,libclap-045d20cf3abdd4b6,libonce_cell-88da25fb809d9a5c,libclap_builder-a62717d2aa459dac,libstrsim-934c6b5db5b11ce4,libanstream-f0a1bf1cc15dd058,libanstyle_query-bf88390deb1ad954,libis_terminal-fd5a4e85d3995d75,librustix-5b8e2af016293860,liblinux_raw_sys-26392591fdef7935,libanstyle-134391e2b37faf36,libcolorchoice-7e168c6abb6e41ad,libanstyle_parse-be26ce83c164482c,libutf8parse-bf86fa6e8ff589fb,libclap_lex-779a5db0676d3668,libvirtiofsd-a6e3efee49243973,libpostcard-a2d19ec9aa1f5ee0,libheapless-5a443645e6dcc396,libstable_deref_trait-932cd180c9d6b0f0,libspin-665d7fd5c41d86d5,liblock_api-2d0eeecf52b73e5a,libscopeguard-7ec2214574194454,libhash32-1cf7cfc6c4bf5cca,libcobs-8db55fae6171e63e,libfutures-4a2968446eb13b67,libfutures_executor-4cd47ff603b84513,libnum_cpus-1547bc05642b13c5,libfutures_util-1fe5169612f5ad47,libmemchr-fe2e5a4f134682e2,libfutures_io-a1110ec2a6a99647,libfutures_channel-6c05e49971b91568,libpin_project_lite-6df6c214457c8ca7,libfutures_sink-0d6fcccf4ab7b829,libfutures_task-f227a43807b06096,libpin_utils-3860774ad9b215b5,libfutures_core-9bd0786b7fd95775,libbtree_range_map-6007a880e6573d15,librange_traits-fc9d1db231541f59,libbtree_slab-dc0101c4e9f5f526,libcc_traits-6d7c6c0dccdd2bfe,libsmallvec-5dc15f12cdebef01,libslab-c31f36e3ee47a570,liblibseccomp_sys-5415b03def0f14f2,libserde-9ad378427bc87f92,libcapng-aa265ac10ed629c1,libvhost_user_backend-7caed3ffaf7d832b,libvirtio_queue-c6f992432dcda959,libvirtio_bindings-53945723bd5aae9e,libvhost-e5ff5965c065f30f,libuuid-52ab170ea03377a2,librand-1618964cb3a36b37,librand_chacha-c56b0aa41fa5f660,libppv_lite86-9d255d75449652b3,libzerocopy-a51677c835d4d081,libbyteorder-66cc2296229155f6,librand_core-9c0405eeced83bd6,libgetrandom-8b8aac7d6dc2cc9c,libvm_memory-feaefbe9d6844618,libthiserror-21396bd41b9d456b,libarc_swap-796476ba0de43fe6,libvmm_sys_util-7ceb80d0514a1ccf,liblibc-81b33709b71653e4,libbitflags-dde12b0d7d495b50,libbitflags-d74e6b3e2104145d,liblog-ec46de5c30914dd3,libcfg_if-3e7fc4e38d4a72b5}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lseccomp" "-lcap-ng" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustct0RLzv/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/virtiofsd-ca167b6f42b23565" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lcap-ng
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtiofsd` (bin "virtiofsd") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "19b3d78eb19310e07a8a55959dc1bb8793c97f729c3cb2b1fe6c08c1e43e2cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b3d78eb19310e07a8a55959dc1bb8793c97f729c3cb2b1fe6c08c1e43e2cb7", kill_on_drop: false }`
[INFO] [stdout] 19b3d78eb19310e07a8a55959dc1bb8793c97f729c3cb2b1fe6c08c1e43e2cb7