[INFO] fetching crate memflow-kvm 0.1.1...
[INFO] documenting memflow-kvm-0.1.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate memflow-kvm 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate memflow-kvm 0.1.1 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 memflow-kvm 0.1.1
[INFO] finished tweaking crates.io crate memflow-kvm 0.1.1
[INFO] tweaked toml for crates.io crate memflow-kvm 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memflow-kvm-ioctl v0.1.0
[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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d0727ca91ca138e4cccf6f78d3b70b6c6db374cc9d9f32d5113e9045a129a23
[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" "3d0727ca91ca138e4cccf6f78d3b70b6c6db374cc9d9f32d5113e9045a129a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d0727ca91ca138e4cccf6f78d3b70b6c6db374cc9d9f32d5113e9045a129a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0727ca91ca138e4cccf6f78d3b70b6c6db374cc9d9f32d5113e9045a129a23", kill_on_drop: false }`
[INFO] [stdout] 3d0727ca91ca138e4cccf6f78d3b70b6c6db374cc9d9f32d5113e9045a129a23
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c7c3cda358e48b2ec82f33082a2aa9efba6c415a83beb90c171c59df267b1a3
[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" "9c7c3cda358e48b2ec82f33082a2aa9efba6c415a83beb90c171c59df267b1a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling x86_64 v0.12.2
[INFO] [stderr]     Checking bumpalo v3.4.0
[INFO] [stderr]    Compiling derive_pod v0.1.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking coarsetime v0.1.16
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking dataview v0.1.1
[INFO] [stderr]     Checking vector-trees v0.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking memflow v0.1.3
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling memflow-derive v0.1.0
[INFO] [stderr]    Compiling memflow-kvm-ioctl v0.1.0
[INFO] [stderr]  Documenting memflow-kvm v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.02s
[INFO] running `Command { std: "docker" "inspect" "9c7c3cda358e48b2ec82f33082a2aa9efba6c415a83beb90c171c59df267b1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7c3cda358e48b2ec82f33082a2aa9efba6c415a83beb90c171c59df267b1a3", kill_on_drop: false }`
[INFO] [stdout] 9c7c3cda358e48b2ec82f33082a2aa9efba6c415a83beb90c171c59df267b1a3
