[INFO] fetching crate pdc 0.3.0...
[INFO] documenting pdc-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate pdc 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pdc 0.3.0 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 pdc 0.3.0
[INFO] finished tweaking crates.io crate pdc 0.3.0
[INFO] tweaked toml for crates.io crate pdc 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pdc 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1de12609353a05d6b6fe1ae70b17e2eb707a4b785ccdae9b37c366393ae819bf
[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" "1de12609353a05d6b6fe1ae70b17e2eb707a4b785ccdae9b37c366393ae819bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de12609353a05d6b6fe1ae70b17e2eb707a4b785ccdae9b37c366393ae819bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de12609353a05d6b6fe1ae70b17e2eb707a4b785ccdae9b37c366393ae819bf", kill_on_drop: false }`
[INFO] [stdout] 1de12609353a05d6b6fe1ae70b17e2eb707a4b785ccdae9b37c366393ae819bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2a6225dab8110813b727d9b4b8f3a151d0c2e9681b7148f68d3d2daea27b45c5
[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" "2a6225dab8110813b727d9b4b8f3a151d0c2e9681b7148f68d3d2daea27b45c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking spinner v0.5.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]     Checking spinners v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting pdc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.31s
[INFO] running `Command { std: "docker" "inspect" "2a6225dab8110813b727d9b4b8f3a151d0c2e9681b7148f68d3d2daea27b45c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6225dab8110813b727d9b4b8f3a151d0c2e9681b7148f68d3d2daea27b45c5", kill_on_drop: false }`
[INFO] [stdout] 2a6225dab8110813b727d9b4b8f3a151d0c2e9681b7148f68d3d2daea27b45c5