[INFO] cloning repository https://github.com/whyprogrammer/stratovirt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whyprogrammer/stratovirt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhyprogrammer%2Fstratovirt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhyprogrammer%2Fstratovirt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 958e60cdf6df1c1f6b9f192efed1701531e2f92d
[INFO] checking whyprogrammer/stratovirt/958e60cdf6df1c1f6b9f192efed1701531e2f92d against master#c29082fe7dc6e902169cacbae165562a7e4a1fd6 for pr-120805
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhyprogrammer%2Fstratovirt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whyprogrammer/stratovirt on toolchain c29082fe7dc6e902169cacbae165562a7e4a1fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/whyprogrammer/stratovirt
[INFO] finished tweaking git repo https://github.com/whyprogrammer/stratovirt
[INFO] tweaked toml for git repo https://github.com/whyprogrammer/stratovirt written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/whyprogrammer/stratovirt 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" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "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 errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded shared_child v0.3.5
[INFO] [stderr]   Downloaded sct v0.7.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded const_format_proc_macros v0.2.22
[INFO] [stderr]   Downloaded thiserror-impl v1.0.36
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded const_format v0.2.26
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded regex-syntax v0.6.27
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded bitintr v0.2.0
[INFO] [stderr]   Downloaded io-uring v0.5.7
[INFO] [stderr]   Downloaded sscanf v0.2.2
[INFO] [stderr]   Downloaded sscanf_macro v0.2.2
[INFO] [stderr]   Downloaded sasl2-sys v0.1.20+2.1.28
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded regex v1.6.0
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded duct v0.13.5
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded vmm-sys-util v0.11.0
[INFO] [stderr]   Downloaded kvm-ioctls v0.12.0
[INFO] [stderr]   Downloaded kvm-bindings v0.6.0
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded ring v0.16.20
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded arc-swap v1.5.1
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded smallvec v1.9.0
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded parking_lot v0.11.2
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded thiserror v1.0.36
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded vfio-bindings v0.3.1
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded capng v0.2.2
[INFO] [stderr]   Downloaded drm-fourcc v2.2.0
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded spin v0.5.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f36f6a956807816edb34142dedbc4531c288b63405667aa5b847b690fb334af
[INFO] running `Command { std: "docker" "start" "-a" "1f36f6a956807816edb34142dedbc4531c288b63405667aa5b847b690fb334af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f36f6a956807816edb34142dedbc4531c288b63405667aa5b847b690fb334af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f36f6a956807816edb34142dedbc4531c288b63405667aa5b847b690fb334af", kill_on_drop: false }`
[INFO] [stdout] 1f36f6a956807816edb34142dedbc4531c288b63405667aa5b847b690fb334af
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c29082fe7dc6e902169cacbae165562a7e4a1fd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a448bff0c123ac0f0a7ea099c7103095144ad0d225be3fbb4c777ff16098c82d
[INFO] running `Command { std: "docker" "start" "-a" "a448bff0c123ac0f0a7ea099c7103095144ad0d225be3fbb4c777ff16098c82d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling thiserror v1.0.36
[INFO] [stderr]    Compiling io-uring v0.5.7
[INFO] [stderr]    Compiling kvm-ioctls v0.12.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking arc-swap v1.5.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking bitintr v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.44/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]     Checking vfio-bindings v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a448bff0c123ac0f0a7ea099c7103095144ad0d225be3fbb4c777ff16098c82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a448bff0c123ac0f0a7ea099c7103095144ad0d225be3fbb4c777ff16098c82d", kill_on_drop: false }`
[INFO] [stdout] a448bff0c123ac0f0a7ea099c7103095144ad0d225be3fbb4c777ff16098c82d