[INFO] fetching crate perkv 0.0.2...
[INFO] documenting perkv-0.0.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate perkv 0.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate perkv 0.0.2 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 perkv 0.0.2
[INFO] finished tweaking crates.io crate perkv 0.0.2
[INFO] tweaked toml for crates.io crate perkv 0.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate perkv 0.0.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded persawkv v0.0.0-alpha.1
[INFO] [stderr]   Downloaded persy v0.7.0
[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" "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] 331f9d572c0e2e872a185cfc99eb436fda937b291a30e29e18df994d0d2f5b1b
[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" "331f9d572c0e2e872a185cfc99eb436fda937b291a30e29e18df994d0d2f5b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "331f9d572c0e2e872a185cfc99eb436fda937b291a30e29e18df994d0d2f5b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331f9d572c0e2e872a185cfc99eb436fda937b291a30e29e18df994d0d2f5b1b", kill_on_drop: false }`
[INFO] [stdout] 331f9d572c0e2e872a185cfc99eb436fda937b291a30e29e18df994d0d2f5b1b
[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" "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] 93ccfc8b01fe9c51ba897fb135254dbaf4d456f958111393b24c826b41a16012
[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" "93ccfc8b01fe9c51ba897fb135254dbaf4d456f958111393b24c826b41a16012", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling delegate v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking persy v0.7.0
[INFO] [stderr]     Checking persawkv v0.0.0-alpha.1
[INFO] [stderr]  Documenting perkv v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "93ccfc8b01fe9c51ba897fb135254dbaf4d456f958111393b24c826b41a16012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ccfc8b01fe9c51ba897fb135254dbaf4d456f958111393b24c826b41a16012", kill_on_drop: false }`
[INFO] [stdout] 93ccfc8b01fe9c51ba897fb135254dbaf4d456f958111393b24c826b41a16012