[INFO] fetching crate objc2-app-tracking-transparency 0.3.2...
[INFO] testing objc2-app-tracking-transparency-0.3.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate objc2-app-tracking-transparency 0.3.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate objc2-app-tracking-transparency 0.3.2
[INFO] finished tweaking crates.io crate objc2-app-tracking-transparency 0.3.2
[INFO] tweaked toml for crates.io crate objc2-app-tracking-transparency 0.3.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate objc2-app-tracking-transparency 0.3.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate objc2-app-tracking-transparency 0.3.2 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7263fdd821b1d0b6538e67f6c840bf45f70d4131a6b9e1ca400bb831eac7640c
[INFO] running `Command { std: "docker" "start" "-a" "7263fdd821b1d0b6538e67f6c840bf45f70d4131a6b9e1ca400bb831eac7640c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7263fdd821b1d0b6538e67f6c840bf45f70d4131a6b9e1ca400bb831eac7640c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7263fdd821b1d0b6538e67f6c840bf45f70d4131a6b9e1ca400bb831eac7640c", kill_on_drop: false }`
[INFO] [stdout] 7263fdd821b1d0b6538e67f6c840bf45f70d4131a6b9e1ca400bb831eac7640c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f85d36ea92e80fc53765857ad0caa3b2bc9949639b2e89d33356bf9e7ceab1
[INFO] running `Command { std: "docker" "start" "-a" "f0f85d36ea92e80fc53765857ad0caa3b2bc9949639b2e89d33356bf9e7ceab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc2 v0.6.3
[INFO] [stderr]    Compiling objc2-encode v4.1.0
[INFO] [stdout] error: `objc2` only works on Apple platforms. Pass `--target aarch64-apple-darwin` or similar to compile for macOS.
[INFO] [stdout]        (If you're absolutely certain that you're using GNUStep, you can specify that with the `gnustep-x-y` Cargo feature instead).
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/objc2-0.6.3/src/lib.rs:218:1
[INFO] [stdout]     |
[INFO] [stdout] 218 | compile_error!("`objc2` only works on Apple platforms. Pass `--target aarch64-apple-darwin` or similar to compile for macOS.\n(If you're absolutely certain that you're using GNUStep, you can specify that with the `gnustep-x-y` Cargo feature instead).");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `objc2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f0f85d36ea92e80fc53765857ad0caa3b2bc9949639b2e89d33356bf9e7ceab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f85d36ea92e80fc53765857ad0caa3b2bc9949639b2e89d33356bf9e7ceab1", kill_on_drop: false }`
[INFO] [stdout] f0f85d36ea92e80fc53765857ad0caa3b2bc9949639b2e89d33356bf9e7ceab1
