[INFO] fetching crate pmetal-mlx 0.4.0...
[INFO] testing pmetal-mlx-0.4.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate pmetal-mlx 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate pmetal-mlx 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pmetal-mlx 0.4.0
[INFO] tweaked toml for crates.io crate pmetal-mlx 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pmetal-mlx 0.4.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pmetal-mlx 0.4.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v3.4.0
[INFO] [stderr]   Downloaded pmetal-core v0.4.0
[INFO] [stderr]   Downloaded mlx-macros v0.25.3
[INFO] [stderr]   Downloaded mlx-internal-macros v0.25.3
[INFO] [stderr]   Downloaded serial_test v3.4.0
[INFO] [stderr]   Downloaded toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]   Downloaded toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]   Downloaded mach-sys v0.5.4
[INFO] [stderr]   Downloaded safetensors v0.6.2
[INFO] [stderr]   Downloaded pmetal-mlx-rs v0.25.8
[INFO] [stderr]   Downloaded pmetal-mlx-sys v0.2.4
[INFO] [stderr]   Downloaded pmetal-metal v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b7f02938f141ed7b46a8ce70a792280017073eaf855b4ab9ea87560770001da
[INFO] running `Command { std: "docker" "start" "-a" "0b7f02938f141ed7b46a8ce70a792280017073eaf855b4ab9ea87560770001da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b7f02938f141ed7b46a8ce70a792280017073eaf855b4ab9ea87560770001da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b7f02938f141ed7b46a8ce70a792280017073eaf855b4ab9ea87560770001da", kill_on_drop: false }`
[INFO] [stdout] 0b7f02938f141ed7b46a8ce70a792280017073eaf855b4ab9ea87560770001da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e285b8fa90884d42d6932b621c41305325501e2b66670b3726a1d5f1a8e5cca9
[INFO] running `Command { std: "docker" "start" "-a" "e285b8fa90884d42d6932b621c41305325501e2b66670b3726a1d5f1a8e5cca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling objc2 v0.6.4
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling objc2-encode v4.1.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling winnow v1.0.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling pmetal-metal v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling mach-sys v0.5.4
[INFO] [stderr]    Compiling secrecy v0.10.3
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[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/objc2-0.6.4/src/lib.rs:219:1
[INFO] [stdout]     |
[INFO] [stdout] 219 | 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]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr] error: could not compile `objc2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e285b8fa90884d42d6932b621c41305325501e2b66670b3726a1d5f1a8e5cca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e285b8fa90884d42d6932b621c41305325501e2b66670b3726a1d5f1a8e5cca9", kill_on_drop: false }`
[INFO] [stdout] e285b8fa90884d42d6932b621c41305325501e2b66670b3726a1d5f1a8e5cca9