[INFO] fetching crate xkcd-1975 0.1.1...
[INFO] documenting xkcd-1975-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate xkcd-1975 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate xkcd-1975 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xkcd-1975 0.1.1
[INFO] finished tweaking crates.io crate xkcd-1975 0.1.1
[INFO] tweaked toml for crates.io crate xkcd-1975 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate xkcd-1975 0.1.1 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-sys v0.2.0
[INFO] [stderr]   Downloaded objc-sys v0.3.1
[INFO] [stderr]   Downloaded objc2-encode v3.0.0
[INFO] [stderr]   Downloaded objc2 v0.4.1
[INFO] [stderr]   Downloaded block2 v0.3.0
[INFO] [stderr]   Downloaded icrate v0.0.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e71e32a77dc7c7eb914a9f250b841d39c199bbd8b183ef93d016577d00484b
[INFO] running `Command { std: "docker" "start" "-a" "f8e71e32a77dc7c7eb914a9f250b841d39c199bbd8b183ef93d016577d00484b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e71e32a77dc7c7eb914a9f250b841d39c199bbd8b183ef93d016577d00484b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e71e32a77dc7c7eb914a9f250b841d39c199bbd8b183ef93d016577d00484b", kill_on_drop: false }`
[INFO] [stdout] f8e71e32a77dc7c7eb914a9f250b841d39c199bbd8b183ef93d016577d00484b
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78084af23281ffa9cc95dee10a54ca07bf64e6bf8705c1b00b10dd1b3e127b30
[INFO] running `Command { std: "docker" "start" "-a" "78084af23281ffa9cc95dee10a54ca07bf64e6bf8705c1b00b10dd1b3e127b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc-sys v0.3.1
[INFO] [stderr]    Compiling block-sys v0.2.0
[INFO] [stderr]     Checking objc2-encode v3.0.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking objc2 v0.4.1
[INFO] [stdout] error[E0455]: link kind `framework` is only supported on Apple targets
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/objc2-0.4.1/src/lib.rs:226:38
[INFO] [stdout]     |
[INFO] [stdout] 226 |     link(name = "Foundation", kind = "framework")
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `objc2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "78084af23281ffa9cc95dee10a54ca07bf64e6bf8705c1b00b10dd1b3e127b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78084af23281ffa9cc95dee10a54ca07bf64e6bf8705c1b00b10dd1b3e127b30", kill_on_drop: false }`
[INFO] [stdout] 78084af23281ffa9cc95dee10a54ca07bf64e6bf8705c1b00b10dd1b3e127b30
