[INFO] fetching crate ddh 0.12.0...
[INFO] documenting ddh-0.12.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ddh 0.12.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ddh 0.12.0 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 ddh 0.12.0
[INFO] finished tweaking crates.io crate ddh 0.12.0
[INFO] tweaked toml for crates.io crate ddh 0.12.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate ddh 0.12.0 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] f95642b844a07234999500e8387c5c6370211cd9afb8a108a8fa066e1cf68fd5
[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" "f95642b844a07234999500e8387c5c6370211cd9afb8a108a8fa066e1cf68fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f95642b844a07234999500e8387c5c6370211cd9afb8a108a8fa066e1cf68fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95642b844a07234999500e8387c5c6370211cd9afb8a108a8fa066e1cf68fd5", kill_on_drop: false }`
[INFO] [stdout] f95642b844a07234999500e8387c5c6370211cd9afb8a108a8fa066e1cf68fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13ce436a1cf5ac130c298e0d8ce9528b8beda4175156e63b3c718b4cb82ee5ca
[INFO] running `Command { std: "docker" "start" "-a" "13ce436a1cf5ac130c298e0d8ce9528b8beda4175156e63b3c718b4cb82ee5ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking siphasher v0.3.9
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking clap v3.0.10
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]  Documenting ddh v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.35s
[INFO] running `Command { std: "docker" "inspect" "13ce436a1cf5ac130c298e0d8ce9528b8beda4175156e63b3c718b4cb82ee5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ce436a1cf5ac130c298e0d8ce9528b8beda4175156e63b3c718b4cb82ee5ca", kill_on_drop: false }`
[INFO] [stdout] 13ce436a1cf5ac130c298e0d8ce9528b8beda4175156e63b3c718b4cb82ee5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7c6341ce9293420e61ce93abbbb52c52bfdbe11c37dcf58ddd553eff8a5d693
[INFO] running `Command { std: "docker" "start" "-a" "c7c6341ce9293420e61ce93abbbb52c52bfdbe11c37dcf58ddd553eff8a5d693", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking siphasher v0.3.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking clap v3.0.10
[INFO] [stderr]  Documenting ddh v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.63s
[INFO] running `Command { std: "docker" "inspect" "c7c6341ce9293420e61ce93abbbb52c52bfdbe11c37dcf58ddd553eff8a5d693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c6341ce9293420e61ce93abbbb52c52bfdbe11c37dcf58ddd553eff8a5d693", kill_on_drop: false }`
[INFO] [stdout] c7c6341ce9293420e61ce93abbbb52c52bfdbe11c37dcf58ddd553eff8a5d693