[INFO] fetching crate libdevmapper-sys 0.1.0...
[INFO] documenting libdevmapper-sys-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate libdevmapper-sys 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libdevmapper-sys 0.1.0 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 libdevmapper-sys 0.1.0
[INFO] finished tweaking crates.io crate libdevmapper-sys 0.1.0
[INFO] tweaked toml for crates.io crate libdevmapper-sys 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eccdb6322c976ef995918f2d695537d942cdf81c7ebf5ad138b9c61a0dc148b7
[INFO] running `Command { std: "docker" "start" "-a" "eccdb6322c976ef995918f2d695537d942cdf81c7ebf5ad138b9c61a0dc148b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eccdb6322c976ef995918f2d695537d942cdf81c7ebf5ad138b9c61a0dc148b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eccdb6322c976ef995918f2d695537d942cdf81c7ebf5ad138b9c61a0dc148b7", kill_on_drop: false }`
[INFO] [stdout] eccdb6322c976ef995918f2d695537d942cdf81c7ebf5ad138b9c61a0dc148b7
[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] [stdout] afe98759df6bc2384022277128491be269007f2effa7c1812c605ea595fb92d5
[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" "afe98759df6bc2384022277128491be269007f2effa7c1812c605ea595fb92d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling bindgen v0.46.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling libdevmapper-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting libdevmapper-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.04s
[INFO] running `Command { std: "docker" "inspect" "afe98759df6bc2384022277128491be269007f2effa7c1812c605ea595fb92d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe98759df6bc2384022277128491be269007f2effa7c1812c605ea595fb92d5", kill_on_drop: false }`
[INFO] [stdout] afe98759df6bc2384022277128491be269007f2effa7c1812c605ea595fb92d5