[INFO] fetching crate vhost-user-backend 0.17.0...
[INFO] checking vhost-user-backend-0.17.0 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate vhost-user-backend 0.17.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate vhost-user-backend 0.17.0 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vhost-user-backend 0.17.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vhost-user-backend 0.17.0
[INFO] tweaked toml for crates.io crate vhost-user-backend 0.17.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v1.7.1
[INFO] [stderr]   Downloaded userfaultfd-sys v0.5.0
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded uuid-macro-internal v1.11.0
[INFO] [stderr]   Downloaded virtio-bindings v0.2.4
[INFO] [stderr]   Downloaded userfaultfd v0.8.1
[INFO] [stderr]   Downloaded vmm-sys-util v0.12.1
[INFO] [stderr]   Downloaded vm-memory v0.16.0
[INFO] [stderr]   Downloaded virtio-queue v0.14.0
[INFO] [stderr]   Downloaded bindgen v0.68.1
[INFO] [stderr]   Downloaded vhost v0.13.0
[INFO] [stderr]   Downloaded nix v0.27.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27647f60cb5e8de842fcca830da28006d0f4f42333005b61a8e9866f19d46704
[INFO] running `Command { std: "docker" "start" "-a" "27647f60cb5e8de842fcca830da28006d0f4f42333005b61a8e9866f19d46704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27647f60cb5e8de842fcca830da28006d0f4f42333005b61a8e9866f19d46704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27647f60cb5e8de842fcca830da28006d0f4f42333005b61a8e9866f19d46704", kill_on_drop: false }`
[INFO] [stdout] 27647f60cb5e8de842fcca830da28006d0f4f42333005b61a8e9866f19d46704
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb402a27aaa188b3e87e68db816630d3e85576bf624779a56e66aa45c5b7120
[INFO] running `Command { std: "docker" "start" "-a" "3cb402a27aaa188b3e87e68db816630d3e85576bf624779a56e66aa45c5b7120", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking vmm-sys-util v0.12.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking virtio-bindings v0.2.4
[INFO] [stderr]     Checking rustix v0.38.39
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking tempfile v3.14.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.68
[INFO] [stderr]    Compiling uuid-macro-internal v1.11.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v1.0.68
[INFO] [stderr]     Checking vm-memory v0.16.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking virtio-queue v0.14.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking vhost v0.13.0
[INFO] [stderr]     Checking vhost-user-backend v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "3cb402a27aaa188b3e87e68db816630d3e85576bf624779a56e66aa45c5b7120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb402a27aaa188b3e87e68db816630d3e85576bf624779a56e66aa45c5b7120", kill_on_drop: false }`
[INFO] [stdout] 3cb402a27aaa188b3e87e68db816630d3e85576bf624779a56e66aa45c5b7120