[INFO] fetching crate wit-ffi 0.0.0...
[INFO] documenting wit-ffi-0.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate wit-ffi 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wit-ffi 0.0.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wit-ffi 0.0.0
[INFO] finished tweaking crates.io crate wit-ffi 0.0.0
[INFO] tweaked toml for crates.io crate wit-ffi 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef9d8be86fb90f86f9ce37bad8271ea63b3e7ec156c4db2b75be5b75d9efac53
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef9d8be86fb90f86f9ce37bad8271ea63b3e7ec156c4db2b75be5b75d9efac53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef9d8be86fb90f86f9ce37bad8271ea63b3e7ec156c4db2b75be5b75d9efac53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9d8be86fb90f86f9ce37bad8271ea63b3e7ec156c4db2b75be5b75d9efac53", kill_on_drop: false }`
[INFO] [stdout] ef9d8be86fb90f86f9ce37bad8271ea63b3e7ec156c4db2b75be5b75d9efac53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d469a6efe05e6b05dbffd15b63ecd4d716ffb9230618d0c3a10aac973be836
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d0d469a6efe05e6b05dbffd15b63ecd4d716ffb9230618d0c3a10aac973be836", kill_on_drop: false }`
[INFO] [stderr]  Documenting wit-ffi v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "d0d469a6efe05e6b05dbffd15b63ecd4d716ffb9230618d0c3a10aac973be836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d469a6efe05e6b05dbffd15b63ecd4d716ffb9230618d0c3a10aac973be836", kill_on_drop: false }`
[INFO] [stdout] d0d469a6efe05e6b05dbffd15b63ecd4d716ffb9230618d0c3a10aac973be836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 6db5704b140ef7e49dd65d71e45c6a80cf8b9e280da12db3134f3201a0b123ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6db5704b140ef7e49dd65d71e45c6a80cf8b9e280da12db3134f3201a0b123ad", kill_on_drop: false }`
[INFO] [stderr]  Documenting wit-ffi v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "6db5704b140ef7e49dd65d71e45c6a80cf8b9e280da12db3134f3201a0b123ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db5704b140ef7e49dd65d71e45c6a80cf8b9e280da12db3134f3201a0b123ad", kill_on_drop: false }`
[INFO] [stdout] 6db5704b140ef7e49dd65d71e45c6a80cf8b9e280da12db3134f3201a0b123ad