[INFO] fetching crate kvdb-memorydb 0.7.0...
[INFO] documenting kvdb-memorydb-0.7.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate kvdb-memorydb 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kvdb-memorydb 0.7.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kvdb-memorydb 0.7.0
[INFO] finished tweaking crates.io crate kvdb-memorydb 0.7.0
[INFO] tweaked toml for crates.io crate kvdb-memorydb 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c84583e1519ceb4b905b76cc1ca8951b155e1ca26f4cc0d46c7daf7d0ff167c
[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" "2c84583e1519ceb4b905b76cc1ca8951b155e1ca26f4cc0d46c7daf7d0ff167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c84583e1519ceb4b905b76cc1ca8951b155e1ca26f4cc0d46c7daf7d0ff167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c84583e1519ceb4b905b76cc1ca8951b155e1ca26f4cc0d46c7daf7d0ff167c", kill_on_drop: false }`
[INFO] [stdout] 2c84583e1519ceb4b905b76cc1ca8951b155e1ca26f4cc0d46c7daf7d0ff167c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "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] f0e5fdafae0caefdf44f9c04b8fa37e5ba41a46a2e620cccfa75c6ded2289ba9
[INFO] running `Command { std: "docker" "start" "-a" "f0e5fdafae0caefdf44f9c04b8fa37e5ba41a46a2e620cccfa75c6ded2289ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]     Checking kvdb v0.7.0
[INFO] [stderr]  Documenting kvdb-memorydb v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.46s
[INFO] running `Command { std: "docker" "inspect" "f0e5fdafae0caefdf44f9c04b8fa37e5ba41a46a2e620cccfa75c6ded2289ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e5fdafae0caefdf44f9c04b8fa37e5ba41a46a2e620cccfa75c6ded2289ba9", kill_on_drop: false }`
[INFO] [stdout] f0e5fdafae0caefdf44f9c04b8fa37e5ba41a46a2e620cccfa75c6ded2289ba9