[INFO] fetching crate virt-fwk 0.1.0...
[INFO] checking virt-fwk-0.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate virt-fwk 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate virt-fwk 0.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate virt-fwk 0.1.0
[INFO] finished tweaking crates.io crate virt-fwk 0.1.0
[INFO] tweaked toml for crates.io crate virt-fwk 0.1.0 written to /workspace/builds/worker-5-tc1/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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objc2-encode v2.0.0-pre.4
[INFO] [stderr]   Downloaded objc-sys v0.3.0
[INFO] [stderr]   Downloaded block-sys v0.2.0
[INFO] [stderr]   Downloaded block2 v0.2.0-alpha.8
[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b186da50a1cba5809936d3a758373309a847572591af826feca061838bc690c
[INFO] running `Command { std: "docker" "start" "-a" "2b186da50a1cba5809936d3a758373309a847572591af826feca061838bc690c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b186da50a1cba5809936d3a758373309a847572591af826feca061838bc690c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b186da50a1cba5809936d3a758373309a847572591af826feca061838bc690c", kill_on_drop: false }`
[INFO] [stdout] 2b186da50a1cba5809936d3a758373309a847572591af826feca061838bc690c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e0766a3fbe3b49c8d444fa192f88a018622d65504c6e20070c4287374fab87b
[INFO] running `Command { std: "docker" "start" "-a" "4e0766a3fbe3b49c8d444fa192f88a018622d65504c6e20070c4287374fab87b", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc-sys v0.3.0
[INFO] [stderr]    Compiling block-sys v0.2.0
[INFO] [stderr]     Checking objc2-encode v2.0.0-pre.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking objc2 v0.3.0-beta.5
[INFO] [stdout] error[E0455]: link kind `framework` is only supported on Apple targets
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/objc2-0.3.0-beta.5/src/lib.rs:230:38
[INFO] [stdout]     |
[INFO] [stdout] 230 |     link(name = "Foundation", kind = "framework")
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0455`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4e0766a3fbe3b49c8d444fa192f88a018622d65504c6e20070c4287374fab87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0766a3fbe3b49c8d444fa192f88a018622d65504c6e20070c4287374fab87b", kill_on_drop: false }`
[INFO] [stdout] 4e0766a3fbe3b49c8d444fa192f88a018622d65504c6e20070c4287374fab87b
