[INFO] fetching crate objc2-foundation 0.1.1...
[INFO] testing objc2-foundation-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate objc2-foundation 0.1.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate objc2-foundation 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate objc2-foundation 0.1.1
[INFO] finished tweaking crates.io crate objc2-foundation 0.1.1
[INFO] tweaked toml for crates.io crate objc2-foundation 0.1.1 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate objc2-foundation 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd85d853d6415aff3bf527688d8a8f469bc7f7d64034625aa40ce784649c640
[INFO] running `Command { std: "docker" "start" "-a" "5cd85d853d6415aff3bf527688d8a8f469bc7f7d64034625aa40ce784649c640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd85d853d6415aff3bf527688d8a8f469bc7f7d64034625aa40ce784649c640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd85d853d6415aff3bf527688d8a8f469bc7f7d64034625aa40ce784649c640", kill_on_drop: false }`
[INFO] [stdout] 5cd85d853d6415aff3bf527688d8a8f469bc7f7d64034625aa40ce784649c640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2a7cd7fc065edff9a4ae81c860800c9f656ab18d62fac26a739c157367efaf3
[INFO] running `Command { std: "docker" "start" "-a" "e2a7cd7fc065edff9a4ae81c860800c9f656ab18d62fac26a739c157367efaf3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling objc_id v0.1.1
[INFO] [stderr]    Compiling objc2-foundation v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/value.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut value = mem::uninitialized::<Self::Value>();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `INSArray`
[INFO] [stdout]   --> src/dictionary.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     INSArray, INSFastEnumeration, INSCopying, INSObject,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[link(name = "Foundation", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[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` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e2a7cd7fc065edff9a4ae81c860800c9f656ab18d62fac26a739c157367efaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a7cd7fc065edff9a4ae81c860800c9f656ab18d62fac26a739c157367efaf3", kill_on_drop: false }`
[INFO] [stdout] e2a7cd7fc065edff9a4ae81c860800c9f656ab18d62fac26a739c157367efaf3