[INFO] cloning repository https://github.com/gridgentoo/cloud-hypervisor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gridgentoo/cloud-hypervisor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Fcloud-hypervisor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Fcloud-hypervisor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 143272122bd0fb02d00e09cda36161c3137023e9
[INFO] testing gridgentoo/cloud-hypervisor against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Fcloud-hypervisor" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gridgentoo/cloud-hypervisor
[INFO] finished tweaking git repo https://github.com/gridgentoo/cloud-hypervisor
[INFO] tweaked toml for git repo https://github.com/gridgentoo/cloud-hypervisor written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gridgentoo/cloud-hypervisor on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gridgentoo/cloud-hypervisor 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/cloud-hypervisor/kvm-bindings`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating git repository `https://github.com/cloud-hypervisor/versionize_derive`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vm-fdt`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/mshv`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vfio`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/acpi_tables`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vfio-user`
[INFO] [stderr]     Updating git repository `https://github.com/firecracker-microvm/micro-http`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded virtio-bindings v0.1.0
[INFO] [stderr]   Downloaded crc64 v1.0.0
[INFO] [stderr]   Downloaded pnet_sys v0.33.0
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded remain v0.2.6
[INFO] [stderr]   Downloaded mintex v0.1.2
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded sys-info v0.9.1
[INFO] [stderr]   Downloaded vhost-user-backend v0.8.0
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded miniz_oxide v0.6.4
[INFO] [stderr]   Downloaded gdbstub_arch v0.2.4
[INFO] [stderr]   Downloaded linux-loader v0.8.1
[INFO] [stderr]   Downloaded serde_with v2.2.0
[INFO] [stderr]   Downloaded virtio-queue v0.7.1
[INFO] [stderr]   Downloaded gdbstub v0.6.4
[INFO] [stderr]   Downloaded dhat v0.3.2
[INFO] [stderr]   Downloaded seccompiler v0.3.0
[INFO] [stderr]   Downloaded vhost v0.6.0
[INFO] [stderr]   Downloaded darling_core v0.14.3
[INFO] [stderr]   Downloaded kvm-ioctls v0.13.0
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded vmm-sys-util v0.11.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded rustix v0.36.8
[INFO] [stderr]   Downloaded ssh2 v0.9.4
[INFO] [stderr]   Downloaded pnet_packet v0.33.0
[INFO] [stderr]   Downloaded pnet_datalink v0.33.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.4
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded serde_with_macros v2.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded vm-memory v0.10.0
[INFO] [stderr]   Downloaded libssh2-sys v0.3.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.6
[INFO] [stderr]   Downloaded pnet_macros v0.33.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.2
[INFO] [stderr]   Downloaded pnet v0.33.0
[INFO] [stderr]   Downloaded fdt v0.1.5
[INFO] [stderr]   Downloaded darling v0.14.3
[INFO] [stderr]   Downloaded pnet_transport v0.33.0
[INFO] [stderr]   Downloaded crc32c v0.6.3
[INFO] [stderr]   Downloaded pnet_macros_support v0.33.0
[INFO] [stderr]   Downloaded gimli v0.27.1
[INFO] [stderr]   Downloaded pnet_base v0.33.0
[INFO] [stderr]   Downloaded virtio-bindings v0.2.0
[INFO] [stderr]   Downloaded epoll v4.3.1
[INFO] [stderr]   Downloaded darling_macro v0.14.3
[INFO] [stderr]   Downloaded versionize v0.1.9
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] [stderr]   Downloaded iced-x86 v1.18.0
[INFO] [stderr]   Downloaded openssl-src v111.25.0+1.1.1t
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a34038f439338985a0051bccab0ee4bed309924692b24091d9feec42c8efbaf
[INFO] running `Command { std: "docker" "start" "-a" "7a34038f439338985a0051bccab0ee4bed309924692b24091d9feec42c8efbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a34038f439338985a0051bccab0ee4bed309924692b24091d9feec42c8efbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a34038f439338985a0051bccab0ee4bed309924692b24091d9feec42c8efbaf", kill_on_drop: false }`
[INFO] [stdout] 7a34038f439338985a0051bccab0ee4bed309924692b24091d9feec42c8efbaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f94328164ca3b129050dc416ca7014b471a1ee47e085c2dbc59d899ae4132b49
[INFO] running `Command { std: "docker" "start" "-a" "f94328164ca3b129050dc416ca7014b471a1ee47e085c2dbc59d899ae4132b49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling kvm-ioctls v0.13.0
[INFO] [stderr]    Compiling crc64 v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling iced-x86 v1.18.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling virtio-bindings v0.1.0
[INFO] [stderr]    Compiling uuid v1.3.0
[INFO] [stderr]    Compiling io-uring v0.5.13
[INFO] [stderr]    Compiling virtio-bindings v0.2.0
[INFO] [stderr]    Compiling epoll v4.3.1
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling micro_http v0.1.0 (https://github.com/firecracker-microvm/micro-http?branch=main#b538bf89)
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling seccompiler v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f94328164ca3b129050dc416ca7014b471a1ee47e085c2dbc59d899ae4132b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94328164ca3b129050dc416ca7014b471a1ee47e085c2dbc59d899ae4132b49", kill_on_drop: false }`
[INFO] [stdout] f94328164ca3b129050dc416ca7014b471a1ee47e085c2dbc59d899ae4132b49