[INFO] cloning repository https://github.com/shff/objc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shff/objc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshff%2Fobjc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshff%2Fobjc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 240657dc15d897d3515e443c3580938c12ff6ac3
[INFO] testing shff/objc-rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshff%2Fobjc-rs" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shff/objc-rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shff/objc-rs
[INFO] finished tweaking git repo https://github.com/shff/objc-rs
[INFO] tweaked toml for git repo https://github.com/shff/objc-rs written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/shff/objc-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a63c075e67a9c78f6105676d5ae1850e55e888afd1196d1fc3c75628fdee7a4c
[INFO] running `Command { std: "docker" "start" "-a" "a63c075e67a9c78f6105676d5ae1850e55e888afd1196d1fc3c75628fdee7a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63c075e67a9c78f6105676d5ae1850e55e888afd1196d1fc3c75628fdee7a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63c075e67a9c78f6105676d5ae1850e55e888afd1196d1fc3c75628fdee7a4c", kill_on_drop: false }`
[INFO] [stdout] a63c075e67a9c78f6105676d5ae1850e55e888afd1196d1fc3c75628fdee7a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfddec951cc952f2b8112b7bbd64852fa03d3358efb3342a9330f003b22fff4f
[INFO] running `Command { std: "docker" "start" "-a" "dfddec951cc952f2b8112b7bbd64852fa03d3358efb3342a9330f003b22fff4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling objc v0.1.1 (/opt/rustwide/workdir/rust-objc)
[INFO] [stderr]    Compiling cocoa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[link(name = "CoreGraphics", 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 `cocoa` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dfddec951cc952f2b8112b7bbd64852fa03d3358efb3342a9330f003b22fff4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfddec951cc952f2b8112b7bbd64852fa03d3358efb3342a9330f003b22fff4f", kill_on_drop: false }`
[INFO] [stdout] dfddec951cc952f2b8112b7bbd64852fa03d3358efb3342a9330f003b22fff4f