[INFO] cloning repository https://github.com/BlueSeaSailor/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/BlueSeaSailor/cloud-hypervisor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueSeaSailor%2Fcloud-hypervisor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueSeaSailor%2Fcloud-hypervisor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2574897cde517ba9f3a124202a5d3afb0d207d3
[INFO] checking BlueSeaSailor/cloud-hypervisor against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueSeaSailor%2Fcloud-hypervisor" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BlueSeaSailor/cloud-hypervisor
[INFO] finished tweaking git repo https://github.com/BlueSeaSailor/cloud-hypervisor
[INFO] tweaked toml for git repo https://github.com/BlueSeaSailor/cloud-hypervisor written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BlueSeaSailor/cloud-hypervisor on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BlueSeaSailor/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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 351fcdde6da2a65b5b87babf2c1d761a5f6d5d6d1053ac298ccdcb4a67cbc0d9
[INFO] running `Command { std: "docker" "start" "-a" "351fcdde6da2a65b5b87babf2c1d761a5f6d5d6d1053ac298ccdcb4a67cbc0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "351fcdde6da2a65b5b87babf2c1d761a5f6d5d6d1053ac298ccdcb4a67cbc0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351fcdde6da2a65b5b87babf2c1d761a5f6d5d6d1053ac298ccdcb4a67cbc0d9", kill_on_drop: false }`
[INFO] [stdout] 351fcdde6da2a65b5b87babf2c1d761a5f6d5d6d1053ac298ccdcb4a67cbc0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15250595d0748dbc08ed724c81908e7d0cca4555aa3f57cb5c41d24092b3cdb6
[INFO] running `Command { std: "docker" "start" "-a" "15250595d0748dbc08ed724c81908e7d0cca4555aa3f57cb5c41d24092b3cdb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crc64 v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking virtio-bindings v0.2.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling kvm-ioctls v0.13.0 (https://github.com/rust-vmm/kvm-ioctls?branch=main#23a3bb04)
[INFO] [stderr]     Checking iced-x86 v1.18.0
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling io-uring v0.5.13
[INFO] [stderr]     Checking option_parser v0.1.0 (/opt/rustwide/workdir/option_parser)
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling openssl-src v111.26.0+1.1.1u
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking serial_buffer v0.1.0 (/opt/rustwide/workdir/serial_buffer)
[INFO] [stderr]    Compiling micro_http v0.1.0 (https://github.com/firecracker-microvm/micro-http?branch=main#b538bf89)
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling cloud-hypervisor v32.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling vhost_user_net v0.1.0 (/opt/rustwide/workdir/vhost_user_net)
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[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" "15250595d0748dbc08ed724c81908e7d0cca4555aa3f57cb5c41d24092b3cdb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15250595d0748dbc08ed724c81908e7d0cca4555aa3f57cb5c41d24092b3cdb6", kill_on_drop: false }`
[INFO] [stdout] 15250595d0748dbc08ed724c81908e7d0cca4555aa3f57cb5c41d24092b3cdb6
