[INFO] fetching crate IOKit-sys 0.1.5...
[INFO] testing IOKit-sys-0.1.5 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate IOKit-sys 0.1.5 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate IOKit-sys 0.1.5 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate IOKit-sys 0.1.5
[INFO] finished tweaking crates.io crate IOKit-sys 0.1.5
[INFO] tweaked toml for crates.io crate IOKit-sys 0.1.5 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22575fcd96678a888904ce4562d2fd8e23b567a169fb45bcc95200107b1fc99a
[INFO] running `Command { std: "docker" "start" "-a" "22575fcd96678a888904ce4562d2fd8e23b567a169fb45bcc95200107b1fc99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22575fcd96678a888904ce4562d2fd8e23b567a169fb45bcc95200107b1fc99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22575fcd96678a888904ce4562d2fd8e23b567a169fb45bcc95200107b1fc99a", kill_on_drop: false }`
[INFO] [stdout] 22575fcd96678a888904ce4562d2fd8e23b567a169fb45bcc95200107b1fc99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a953a4621a3c974db72df8e251540332f2d413291fafed591a287cb4fb91d73
[INFO] running `Command { std: "docker" "start" "-a" "3a953a4621a3c974db72df8e251540332f2d413291fafed591a287cb4fb91d73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling CoreFoundation-sys v0.1.4
[INFO] [stderr]    Compiling IOKit-sys v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mach v0.1.2
[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 `CoreFoundation-sys` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3a953a4621a3c974db72df8e251540332f2d413291fafed591a287cb4fb91d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a953a4621a3c974db72df8e251540332f2d413291fafed591a287cb4fb91d73", kill_on_drop: false }`
[INFO] [stdout] 3a953a4621a3c974db72df8e251540332f2d413291fafed591a287cb4fb91d73
