[INFO] fetching crate objc2 0.6.1...
[INFO] testing objc2-0.6.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate objc2 0.6.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate objc2 0.6.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate objc2 0.6.1
[INFO] tweaked toml for crates.io crate objc2 0.6.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate objc2 0.6.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate objc2 0.6.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objc2-proc-macros v0.2.0
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded objc2-exception-helper v0.1.1
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 229d9600a8403eb2a742f62a9ebb4b4604aa2dff4968451a2e2ccdb2b61c3e9f
[INFO] running `Command { std: "docker" "start" "-a" "229d9600a8403eb2a742f62a9ebb4b4604aa2dff4968451a2e2ccdb2b61c3e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "229d9600a8403eb2a742f62a9ebb4b4604aa2dff4968451a2e2ccdb2b61c3e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229d9600a8403eb2a742f62a9ebb4b4604aa2dff4968451a2e2ccdb2b61c3e9f", kill_on_drop: false }`
[INFO] [stdout] 229d9600a8403eb2a742f62a9ebb4b4604aa2dff4968451a2e2ccdb2b61c3e9f
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b569b9f8b79c480b3233bf293a0b7326dc2506f43832270972ca4e254db513da
[INFO] running `Command { std: "docker" "start" "-a" "b569b9f8b79c480b3233bf293a0b7326dc2506f43832270972ca4e254db513da", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc2 v0.6.1 (/opt/rustwide/workdir)
[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]    --> src/lib.rs:210:1
[INFO] [stdout]     |
[INFO] [stdout] 210 | 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" "b569b9f8b79c480b3233bf293a0b7326dc2506f43832270972ca4e254db513da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b569b9f8b79c480b3233bf293a0b7326dc2506f43832270972ca4e254db513da", kill_on_drop: false }`
[INFO] [stdout] b569b9f8b79c480b3233bf293a0b7326dc2506f43832270972ca4e254db513da