[INFO] fetching crate accessibility 0.1.6...
[INFO] testing accessibility-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate accessibility 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate accessibility 0.1.6 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 accessibility 0.1.6
[INFO] finished tweaking crates.io crate accessibility 0.1.6
[INFO] tweaked toml for crates.io crate accessibility 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7d50753f0d93d95b4586888c72f19ca6a47a3614f54a62ba3ea415e0cb801923
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d50753f0d93d95b4586888c72f19ca6a47a3614f54a62ba3ea415e0cb801923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d50753f0d93d95b4586888c72f19ca6a47a3614f54a62ba3ea415e0cb801923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d50753f0d93d95b4586888c72f19ca6a47a3614f54a62ba3ea415e0cb801923", kill_on_drop: false }`
[INFO] [stdout] 7d50753f0d93d95b4586888c72f19ca6a47a3614f54a62ba3ea415e0cb801923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f199c7b978df86d08fbcc4aab884ca9136cece948ff8e54ace180c3f3a5c3dd1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f199c7b978df86d08fbcc4aab884ca9136cece948ff8e54ace180c3f3a5c3dd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.8.2
[INFO] [stderr]    Compiling accessibility-sys v0.1.3
[INFO] [stderr]    Compiling core-foundation v0.9.1
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accessibility-sys-0.1.3/src/ui_element.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[link(name = "ApplicationServices", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/accessibility-sys-0.1.3/src/value.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[link(name = "ApplicationServices", 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 `accessibility-sys` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f199c7b978df86d08fbcc4aab884ca9136cece948ff8e54ace180c3f3a5c3dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f199c7b978df86d08fbcc4aab884ca9136cece948ff8e54ace180c3f3a5c3dd1", kill_on_drop: false }`
[INFO] [stdout] f199c7b978df86d08fbcc4aab884ca9136cece948ff8e54ace180c3f3a5c3dd1