[INFO] fetching crate mac-notification-sys 0.5.6...
[INFO] documenting mac-notification-sys-0.5.6 against nightly for scrape-examples
[INFO] extracting crate mac-notification-sys 0.5.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mac-notification-sys 0.5.6 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mac-notification-sys 0.5.6
[INFO] finished tweaking crates.io crate mac-notification-sys 0.5.6
[INFO] tweaked toml for crates.io crate mac-notification-sys 0.5.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mac-notification-sys 0.5.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_users v0.4.2
[INFO] [stderr]   Downloaded time v0.3.7
[INFO] [stderr]   Downloaded quote v1.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35ace4bdbb83281321c878b7658f20a7192b81a0f9e786e2f570d8e7b1cc35fe
[INFO] running `Command { std: "docker" "start" "-a" "35ace4bdbb83281321c878b7658f20a7192b81a0f9e786e2f570d8e7b1cc35fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35ace4bdbb83281321c878b7658f20a7192b81a0f9e786e2f570d8e7b1cc35fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ace4bdbb83281321c878b7658f20a7192b81a0f9e786e2f570d8e7b1cc35fe", kill_on_drop: false }`
[INFO] [stdout] 35ace4bdbb83281321c878b7658f20a7192b81a0f9e786e2f570d8e7b1cc35fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f8f1a13f2f66320985ce4bdd9a89ba9ffbb6af36d15e85360352e07171e68d0
[INFO] running `Command { std: "docker" "start" "-a" "3f8f1a13f2f66320985ce4bdd9a89ba9ffbb6af36d15e85360352e07171e68d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]    Compiling mac-notification-sys v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking objc v0.2.7
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking objc_id v0.1.1
[INFO] [stderr]     Checking objc-foundation v0.1.1
[INFO] [stdout] error[E0455]: link kind `framework` is only supported on Apple targets
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc-foundation-0.1.1/src/lib.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[link(name = "Foundation", 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 `objc-foundation` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3f8f1a13f2f66320985ce4bdd9a89ba9ffbb6af36d15e85360352e07171e68d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8f1a13f2f66320985ce4bdd9a89ba9ffbb6af36d15e85360352e07171e68d0", kill_on_drop: false }`
[INFO] [stdout] 3f8f1a13f2f66320985ce4bdd9a89ba9ffbb6af36d15e85360352e07171e68d0