[INFO] fetching crate spirit-hyper 0.6.0...
[INFO] documenting spirit-hyper-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate spirit-hyper 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spirit-hyper 0.6.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spirit-hyper 0.6.0
[INFO] finished tweaking crates.io crate spirit-hyper 0.6.0
[INFO] tweaked toml for crates.io crate spirit-hyper 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate spirit-hyper 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.2
[INFO] [stderr]   Downloaded serde_ignored v0.1.0
[INFO] [stderr]   Downloaded unindent v0.1.5
[INFO] [stderr]   Downloaded spirit v0.4.0
[INFO] [stderr]   Downloaded config-spirit-fork v0.1.0
[INFO] [stderr]   Downloaded spirit-tokio v0.6.0
[INFO] [stderr]   Downloaded serde-humantime v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1f7e36ec024bfc244c290912f81de57159c7ca3887d3bf16c66aca711642092
[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" "c1f7e36ec024bfc244c290912f81de57159c7ca3887d3bf16c66aca711642092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1f7e36ec024bfc244c290912f81de57159c7ca3887d3bf16c66aca711642092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f7e36ec024bfc244c290912f81de57159c7ca3887d3bf16c66aca711642092", kill_on_drop: false }`
[INFO] [stdout] c1f7e36ec024bfc244c290912f81de57159c7ca3887d3bf16c66aca711642092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49c71ee434f18a5d86488fbdcbe6f063a1c5d4582dabd801b4f9d3ee0fe8514b
[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" "49c71ee434f18a5d86488fbdcbe6f063a1c5d4582dabd801b4f9d3ee0fe8514b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking err-context v0.1.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tk-listen v0.2.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling structdoc-derive v0.1.4
[INFO] [stderr]     Checking structdoc v0.1.4
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking serde_ignored v0.1.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.2
[INFO] [stderr]     Checking serde-humantime v0.1.1
[INFO] [stderr]     Checking config-spirit-fork v0.1.0
[INFO] [stderr]     Checking spirit v0.4.0
[INFO] [stderr]     Checking spirit-tokio v0.6.0
[INFO] [stderr]  Documenting spirit-hyper v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "49c71ee434f18a5d86488fbdcbe6f063a1c5d4582dabd801b4f9d3ee0fe8514b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c71ee434f18a5d86488fbdcbe6f063a1c5d4582dabd801b4f9d3ee0fe8514b", kill_on_drop: false }`
[INFO] [stdout] 49c71ee434f18a5d86488fbdcbe6f063a1c5d4582dabd801b4f9d3ee0fe8514b