[INFO] cloning repository https://github.com/physics-enthusiast/virtiofsd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/physics-enthusiast/virtiofsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphysics-enthusiast%2Fvirtiofsd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphysics-enthusiast%2Fvirtiofsd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb58331a8c7b13ad8bee3402d6515d3638045b6c
[INFO] building physics-enthusiast/virtiofsd against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphysics-enthusiast%2Fvirtiofsd" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/physics-enthusiast/virtiofsd
[INFO] finished tweaking git repo https://github.com/physics-enthusiast/virtiofsd
[INFO] tweaked toml for git repo https://github.com/physics-enthusiast/virtiofsd written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/physics-enthusiast/virtiofsd on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/physics-enthusiast/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.41
[INFO] [stderr]   Downloaded arc-swap v1.5.0
[INFO] [stderr]   Downloaded syslog v6.0.1
[INFO] [stderr]   Downloaded capng v0.2.2
[INFO] [stderr]   Downloaded anstyle-parse v0.2.1
[INFO] [stderr]   Downloaded clap v4.3.11
[INFO] [stderr]   Downloaded libseccomp-sys v0.2.1
[INFO] [stderr]   Downloaded virtio-queue v0.11.0
[INFO] [stderr]   Downloaded vmm-sys-util v0.12.1
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] [stderr]   Downloaded futures-executor v0.3.21
[INFO] [stderr]   Downloaded virtio-bindings v0.2.2
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded clap_builder v4.3.11
[INFO] [stderr]   Downloaded vhost v0.11.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.2
[INFO] [stderr]   Downloaded vhost-user-backend v0.14.0
[INFO] [stderr]   Downloaded thiserror v1.0.41
[INFO] [stderr]   Downloaded rustix v0.38.7
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.5
[INFO] [stderr]   Downloaded vm-memory v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9a15e4e197e8313e4ac98c533eb9abd1cf2fa1762e78b637a36c22f3a77723
[INFO] running `Command { std: "docker" "start" "-a" "0e9a15e4e197e8313e4ac98c533eb9abd1cf2fa1762e78b637a36c22f3a77723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9a15e4e197e8313e4ac98c533eb9abd1cf2fa1762e78b637a36c22f3a77723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9a15e4e197e8313e4ac98c533eb9abd1cf2fa1762e78b637a36c22f3a77723", kill_on_drop: false }`
[INFO] [stdout] 0e9a15e4e197e8313e4ac98c533eb9abd1cf2fa1762e78b637a36c22f3a77723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e840d4636017bccf7037c2676b56177f0ea9e32758d8586cccc18e16cf12ca
[INFO] running `Command { std: "docker" "start" "-a" "d1e840d4636017bccf7037c2676b56177f0ea9e32758d8586cccc18e16cf12ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling arc-swap v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling vmm-sys-util v0.12.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling capng v0.2.2
[INFO] [stderr]    Compiling virtio-bindings v0.2.2
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling libseccomp-sys v0.2.1
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling time v0.3.11
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling clap_builder v4.3.11
[INFO] [stderr]    Compiling syslog v6.0.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling vm-memory v0.14.0
[INFO] [stderr]    Compiling clap v4.3.11
[INFO] [stderr]    Compiling vhost v0.11.0
[INFO] [stderr]    Compiling virtio-queue v0.11.0
[INFO] [stderr]    Compiling vhost-user-backend v0.14.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling virtiofsd v1.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `virtq_desc` is never constructed
[INFO] [stdout]    --> src/descriptor_utils.rs:440:8
[INFO] [stdout]     |
[INFO] [stdout] 440 | struct virtq_desc {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `virtq_avail` is never constructed
[INFO] [stdout]    --> src/descriptor_utils.rs:452:8
[INFO] [stdout]     |
[INFO] [stdout] 452 | struct virtq_avail {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/filesystem.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |     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] 374 |     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:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     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] 69 |     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/rustcZ322LC/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libsyslog-0a0c18f1c0def41b,libhostname-e514710596000d9a,libmatch_cfg-f93ef260abd93f75,libtime-0433aa6a22b42f74,libnum_threads-6ebcf309247c4366,libitoa-664e30a1b3449410,liberror_chain-9632ac957d15e91a,libenv_logger-581814e6bc700145,libatty-cfdcb110177e2708,libtermcolor-3421dff75a1a6c35,libhumantime-271ba35809dd8c72,libregex-abc364a93155dd7e,libaho_corasick-d52a1d8c41b3d294,libregex_syntax-6d40b83c2a4454b6,libvhost_user_backend-3ced462ba40fe9fc,libclap-563a721b28c856f4,libonce_cell-778c08b2406fdd3b,libclap_builder-a95562ab45476351,libstrsim-d620f0ade87b0f1f,libanstream-9911bb81f23924ad,libanstyle_query-294da531cac097e0,libis_terminal-942972f56b3828b1,librustix-89c22740648d5233,liblinux_raw_sys-18ceed979cc04410,libanstyle-a9d7568b58f54b4e,libcolorchoice-bfe75a9d19074058,libanstyle_parse-73725c90da715a14,libutf8parse-e98db3169219ea11,libclap_lex-8e8dc61e0c3cf4c2,libvirtiofsd-31978d60b23f4d36,liblibseccomp_sys-3d905907edf6c7eb,libcapng-cd2aa15a667ac722,libvhost-f371c5e8c524cc06,libvmm_sys_util-6d7de7685ae0f238,libbitflags-e2b4db6c651223da,libbitflags-8c9d79e5077786a0,libvirtio_queue-1f9a191149d51fb7,libvirtio_bindings-24fcd4edf153c4c4,libvm_memory-22146637b6d8069e,libthiserror-1b0caf0d789ad5ed,libarc_swap-1d06caf0df8a0f2b,liblog-cc2ec46462e0768a,libcfg_if-33ef6c02a07f9fec,libfutures-97b8083d338c75a4,libfutures_executor-3493011cba42c8e4,libnum_cpus-91ffb7d576df17d7,liblibc-66bd796108c518fc,libfutures_util-62cf8dc99e81c93d,libmemchr-be88c6e3454fbdea,libfutures_io-ab03c219cbf0d33c,libslab-568e770ad0e44abe,libfutures_channel-a7d698199bea46e4,libpin_project_lite-97c4b49af6812166,libfutures_sink-be7c10f1c4d8c357,libfutures_task-a0ede27277e1bac0,libpin_utils-9a5791cba021167a,libfutures_core-1f7a93d76a48a52c}.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/rustcZ322LC/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-4e0fefc15c6bbcb9" "-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" "d1e840d4636017bccf7037c2676b56177f0ea9e32758d8586cccc18e16cf12ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e840d4636017bccf7037c2676b56177f0ea9e32758d8586cccc18e16cf12ca", kill_on_drop: false }`
[INFO] [stdout] d1e840d4636017bccf7037c2676b56177f0ea9e32758d8586cccc18e16cf12ca