[INFO] fetching crate objc2-foundation 0.2.0-alpha.6...
[INFO] testing objc2-foundation-0.2.0-alpha.6 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate objc2-foundation 0.2.0-alpha.6 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate objc2-foundation 0.2.0-alpha.6 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objc2-foundation 0.2.0-alpha.6
[INFO] finished tweaking crates.io crate objc2-foundation 0.2.0-alpha.6
[INFO] tweaked toml for crates.io crate objc2-foundation 0.2.0-alpha.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate objc2-foundation 0.2.0-alpha.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block2 v0.2.0-alpha.5
[INFO] [stderr]   Downloaded objc-sys v0.2.0-beta.1
[INFO] [stderr]   Downloaded block-sys v0.1.0-beta.0
[INFO] [stderr]   Downloaded objc2-encode v2.0.0-pre.1
[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf47baff68c16173f5b914167a5050a1603148a2b5357187eefefaa732e49b5
[INFO] running `Command { std: "docker" "start" "-a" "aaf47baff68c16173f5b914167a5050a1603148a2b5357187eefefaa732e49b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf47baff68c16173f5b914167a5050a1603148a2b5357187eefefaa732e49b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf47baff68c16173f5b914167a5050a1603148a2b5357187eefefaa732e49b5", kill_on_drop: false }`
[INFO] [stdout] aaf47baff68c16173f5b914167a5050a1603148a2b5357187eefefaa732e49b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09809d79459c16377d858d2453ca4a12f1ccce632a3c9860c9ff7878cf12aae4
[INFO] running `Command { std: "docker" "start" "-a" "09809d79459c16377d858d2453ca4a12f1ccce632a3c9860c9ff7878cf12aae4", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc-sys v0.2.0-beta.1
[INFO] [stderr]    Compiling block-sys v0.1.0-beta.0
[INFO] [stderr]    Compiling objc2-encode v2.0.0-pre.1
[INFO] [stderr]    Compiling block2 v0.2.0-alpha.5
[INFO] [stderr]    Compiling objc2 v0.3.0-beta.1
[INFO] [stderr]    Compiling objc2-foundation v0.2.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0455]: link kind `framework` is only supported on Apple targets
[INFO] [stdout]   --> src/lib.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 | #[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-foundation` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "09809d79459c16377d858d2453ca4a12f1ccce632a3c9860c9ff7878cf12aae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09809d79459c16377d858d2453ca4a12f1ccce632a3c9860c9ff7878cf12aae4", kill_on_drop: false }`
[INFO] [stdout] 09809d79459c16377d858d2453ca4a12f1ccce632a3c9860c9ff7878cf12aae4
