[INFO] fetching crate virtualization-rs 0.1.2...
[INFO] testing virtualization-rs-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate virtualization-rs 0.1.2 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate virtualization-rs 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virtualization-rs 0.1.2
[INFO] finished tweaking crates.io crate virtualization-rs 0.1.2
[INFO] tweaked toml for crates.io crate virtualization-rs 0.1.2 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate crates.io crate virtualization-rs 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d55fcaeebf9291af1062459704c9e3d682588da476c85b57abb0d2fcda464aed
[INFO] running `Command { std: "docker" "start" "-a" "d55fcaeebf9291af1062459704c9e3d682588da476c85b57abb0d2fcda464aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d55fcaeebf9291af1062459704c9e3d682588da476c85b57abb0d2fcda464aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55fcaeebf9291af1062459704c9e3d682588da476c85b57abb0d2fcda464aed", kill_on_drop: false }`
[INFO] [stdout] d55fcaeebf9291af1062459704c9e3d682588da476c85b57abb0d2fcda464aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34f73ab41046f365a81ea08bfee774f42e12c94c56af1d61d38568597afa76c8
[INFO] running `Command { std: "docker" "start" "-a" "34f73ab41046f365a81ea08bfee774f42e12c94c56af1d61d38568597afa76c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling virtualization-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> src/base.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[link(name = "Virtualization", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> src/base.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[link(name = "Foundation", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0455`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtualization-rs` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "34f73ab41046f365a81ea08bfee774f42e12c94c56af1d61d38568597afa76c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f73ab41046f365a81ea08bfee774f42e12c94c56af1d61d38568597afa76c8", kill_on_drop: false }`
[INFO] [stdout] 34f73ab41046f365a81ea08bfee774f42e12c94c56af1d61d38568597afa76c8