[INFO] fetching crate ptt 0.7.0...
[INFO] documenting ptt-0.7.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate ptt 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ptt 0.7.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptt 0.7.0
[INFO] finished tweaking crates.io crate ptt 0.7.0
[INFO] tweaked toml for crates.io crate ptt 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ptt 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 54be1903234227797ad85bcc989ab11c8515f96902f9c0ae8a513c047bac211e
[INFO] running `Command { std: "docker" "start" "-a" "54be1903234227797ad85bcc989ab11c8515f96902f9c0ae8a513c047bac211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54be1903234227797ad85bcc989ab11c8515f96902f9c0ae8a513c047bac211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54be1903234227797ad85bcc989ab11c8515f96902f9c0ae8a513c047bac211e", kill_on_drop: false }`
[INFO] [stdout] 54be1903234227797ad85bcc989ab11c8515f96902f9c0ae8a513c047bac211e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "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] 319a2f4dc1f58dc260a1a3b13bc10cd7648bc1b85a672562941bf23fa1132a34
[INFO] running `Command { std: "docker" "start" "-a" "319a2f4dc1f58dc260a1a3b13bc10cd7648bc1b85a672562941bf23fa1132a34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]  Documenting ptt v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.26s
[INFO] running `Command { std: "docker" "inspect" "319a2f4dc1f58dc260a1a3b13bc10cd7648bc1b85a672562941bf23fa1132a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319a2f4dc1f58dc260a1a3b13bc10cd7648bc1b85a672562941bf23fa1132a34", kill_on_drop: false }`
[INFO] [stdout] 319a2f4dc1f58dc260a1a3b13bc10cd7648bc1b85a672562941bf23fa1132a34
