[INFO] fetching crate ffflaij23kap1p-crate-io-test 0.1.5-dev.4...
[INFO] documenting ffflaij23kap1p-crate-io-test-0.1.5-dev.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ffflaij23kap1p-crate-io-test 0.1.5-dev.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ffflaij23kap1p-crate-io-test 0.1.5-dev.4 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 ffflaij23kap1p-crate-io-test 0.1.5-dev.4
[INFO] finished tweaking crates.io crate ffflaij23kap1p-crate-io-test 0.1.5-dev.4
[INFO] tweaked toml for crates.io crate ffflaij23kap1p-crate-io-test 0.1.5-dev.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ffflaij23kap1p-crate-io-test 0.1.5-dev.4 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7d47104cf256a8791e629539a8b43331cc451a508d98fefe715d6e20f62d8f43
[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" "7d47104cf256a8791e629539a8b43331cc451a508d98fefe715d6e20f62d8f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d47104cf256a8791e629539a8b43331cc451a508d98fefe715d6e20f62d8f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d47104cf256a8791e629539a8b43331cc451a508d98fefe715d6e20f62d8f43", kill_on_drop: false }`
[INFO] [stdout] 7d47104cf256a8791e629539a8b43331cc451a508d98fefe715d6e20f62d8f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a9e029255e70928f6552bbaf23e0833546bc8e86b6fe60ff10c73d8f4f67725e
[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" "a9e029255e70928f6552bbaf23e0833546bc8e86b6fe60ff10c73d8f4f67725e", kill_on_drop: false }`
[INFO] [stderr]  Documenting ffflaij23kap1p-crate-io-test v0.1.5-dev.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "a9e029255e70928f6552bbaf23e0833546bc8e86b6fe60ff10c73d8f4f67725e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e029255e70928f6552bbaf23e0833546bc8e86b6fe60ff10c73d8f4f67725e", kill_on_drop: false }`
[INFO] [stdout] a9e029255e70928f6552bbaf23e0833546bc8e86b6fe60ff10c73d8f4f67725e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] fe031699a41543687cefd27a774b15b94038d60e45df0e362cfd7aad6a84ce42
[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" "fe031699a41543687cefd27a774b15b94038d60e45df0e362cfd7aad6a84ce42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ffflaij23kap1p-crate-io-test v0.1.5-dev.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "fe031699a41543687cefd27a774b15b94038d60e45df0e362cfd7aad6a84ce42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe031699a41543687cefd27a774b15b94038d60e45df0e362cfd7aad6a84ce42", kill_on_drop: false }`
[INFO] [stdout] fe031699a41543687cefd27a774b15b94038d60e45df0e362cfd7aad6a84ce42