[INFO] fetching crate gfx_device_metal 0.3.0...
[INFO] testing gfx_device_metal-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gfx_device_metal 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gfx_device_metal 0.3.0 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 gfx_device_metal 0.3.0
[INFO] finished tweaking crates.io crate gfx_device_metal 0.3.0
[INFO] tweaked toml for crates.io crate gfx_device_metal 0.3.0 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 490486c1d6ee19a2b6001ca0563d7bb1af3e37607a87728b44503cd83e998ef7
[INFO] running `Command { std: "docker" "start" "-a" "490486c1d6ee19a2b6001ca0563d7bb1af3e37607a87728b44503cd83e998ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "490486c1d6ee19a2b6001ca0563d7bb1af3e37607a87728b44503cd83e998ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490486c1d6ee19a2b6001ca0563d7bb1af3e37607a87728b44503cd83e998ef7", kill_on_drop: false }`
[INFO] [stdout] 490486c1d6ee19a2b6001ca0563d7bb1af3e37607a87728b44503cd83e998ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5d2d597b71f46177fa268f8db01585ef5c288789b5054ea187c2157b97314927
[INFO] running `Command { std: "docker" "start" "-a" "5d2d597b71f46177fa268f8db01585ef5c288789b5054ea187c2157b97314927", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling objc_exception v0.1.2
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stdout] error: native frameworks are only available on macOS targets
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-foundation-sys` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5d2d597b71f46177fa268f8db01585ef5c288789b5054ea187c2157b97314927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2d597b71f46177fa268f8db01585ef5c288789b5054ea187c2157b97314927", kill_on_drop: false }`
[INFO] [stdout] 5d2d597b71f46177fa268f8db01585ef5c288789b5054ea187c2157b97314927