[INFO] fetching crate combination 0.2.2...
[INFO] documenting combination-0.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate combination 0.2.2 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate combination 0.2.2 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 combination 0.2.2
[INFO] finished tweaking crates.io crate combination 0.2.2
[INFO] tweaked toml for crates.io crate combination 0.2.2 written to /workspace/builds/worker-105/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] bbd737630c1fea499ce343e4d7f0306446accedc543021b4c2c459ea1194bec9
[INFO] running `Command { std: "docker" "start" "-a" "bbd737630c1fea499ce343e4d7f0306446accedc543021b4c2c459ea1194bec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd737630c1fea499ce343e4d7f0306446accedc543021b4c2c459ea1194bec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd737630c1fea499ce343e4d7f0306446accedc543021b4c2c459ea1194bec9", kill_on_drop: false }`
[INFO] [stdout] bbd737630c1fea499ce343e4d7f0306446accedc543021b4c2c459ea1194bec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 4afa7f7d8a0544d1e047df5157ac9c53d8ac71bced9c2f5096544ad0c7df4b54
[INFO] running `Command { std: "docker" "start" "-a" "4afa7f7d8a0544d1e047df5157ac9c53d8ac71bced9c2f5096544ad0c7df4b54", kill_on_drop: false }`
[INFO] [stderr]  Documenting combination v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "4afa7f7d8a0544d1e047df5157ac9c53d8ac71bced9c2f5096544ad0c7df4b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afa7f7d8a0544d1e047df5157ac9c53d8ac71bced9c2f5096544ad0c7df4b54", kill_on_drop: false }`
[INFO] [stdout] 4afa7f7d8a0544d1e047df5157ac9c53d8ac71bced9c2f5096544ad0c7df4b54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] a2c6d1f7459bdc6c0d49842b648ac9f007d6f4788d2421b426a77fbd376826bf
[INFO] running `Command { std: "docker" "start" "-a" "a2c6d1f7459bdc6c0d49842b648ac9f007d6f4788d2421b426a77fbd376826bf", kill_on_drop: false }`
[INFO] [stderr]  Documenting combination v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "a2c6d1f7459bdc6c0d49842b648ac9f007d6f4788d2421b426a77fbd376826bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c6d1f7459bdc6c0d49842b648ac9f007d6f4788d2421b426a77fbd376826bf", kill_on_drop: false }`
[INFO] [stdout] a2c6d1f7459bdc6c0d49842b648ac9f007d6f4788d2421b426a77fbd376826bf