[INFO] fetching crate blkio 0.3.1...
[INFO] testing blkio-0.3.1 against beta-2023-03-18 for beta-1.69-3
[INFO] extracting crate blkio 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate blkio 0.3.1 on toolchain beta-2023-03-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-03-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blkio 0.3.1
[INFO] finished tweaking crates.io crate blkio 0.3.1
[INFO] tweaked toml for crates.io crate blkio 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-03-18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-03-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-03-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e24e738d0e4a4a8cf611366fe314b1c95a4de32f0d497d4d2b6a17ba59144511
[INFO] running `Command { std: "docker" "start" "-a" "e24e738d0e4a4a8cf611366fe314b1c95a4de32f0d497d4d2b6a17ba59144511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24e738d0e4a4a8cf611366fe314b1c95a4de32f0d497d4d2b6a17ba59144511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24e738d0e4a4a8cf611366fe314b1c95a4de32f0d497d4d2b6a17ba59144511", kill_on_drop: false }`
[INFO] [stdout] e24e738d0e4a4a8cf611366fe314b1c95a4de32f0d497d4d2b6a17ba59144511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-03-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e905f89852d595ae7344c26f39525968d6b0492ca0b2cd9e18ae26e3c25e1f3
[INFO] running `Command { std: "docker" "start" "-a" "8e905f89852d595ae7344c26f39525968d6b0492ca0b2cd9e18ae26e3c25e1f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling io-uring v0.5.13
[INFO] [stderr]    Compiling virtio-bindings v0.1.0
[INFO] [stderr]    Compiling const-cstr v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling pci-driver v0.1.2
[INFO] [stderr]    Compiling virtio-driver v0.4.1
[INFO] [stdout] error[E0793]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/virtio-driver-0.4.1/src/transports/vhost_user/vhost_user_protocol.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 &self.payload as *const VhostUserPayload as *mut u8,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtio-driver` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0793`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8e905f89852d595ae7344c26f39525968d6b0492ca0b2cd9e18ae26e3c25e1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e905f89852d595ae7344c26f39525968d6b0492ca0b2cd9e18ae26e3c25e1f3", kill_on_drop: false }`
[INFO] [stdout] 8e905f89852d595ae7344c26f39525968d6b0492ca0b2cd9e18ae26e3c25e1f3