[INFO] fetching crate systemd 0.6.0...
[INFO] documenting systemd-0.6.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate systemd 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate systemd 0.6.0 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 systemd 0.6.0
[INFO] finished tweaking crates.io crate systemd 0.6.0
[INFO] tweaked toml for crates.io crate systemd 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate systemd 0.6.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsystemd-sys v0.6.0
[INFO] [stderr]   Downloaded build-env v0.2.0
[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] [stdout] 8639ba2a86a046108fb7f57bf3111cc2880549ff3efd8a1732628e2a5b61cf58
[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" "8639ba2a86a046108fb7f57bf3111cc2880549ff3efd8a1732628e2a5b61cf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8639ba2a86a046108fb7f57bf3111cc2880549ff3efd8a1732628e2a5b61cf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8639ba2a86a046108fb7f57bf3111cc2880549ff3efd8a1732628e2a5b61cf58", kill_on_drop: false }`
[INFO] [stdout] 8639ba2a86a046108fb7f57bf3111cc2880549ff3efd8a1732628e2a5b61cf58
[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] [stdout] 5e40627a3e435ca8282933520d4492013507c66b1ba000b12aa1cff122997cce
[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" "5e40627a3e435ca8282933520d4492013507c66b1ba000b12aa1cff122997cce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling build-env v0.2.0
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking utf8-cstr v0.1.6
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]    Compiling libsystemd-sys v0.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]  Documenting systemd v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.50s
[INFO] running `Command { std: "docker" "inspect" "5e40627a3e435ca8282933520d4492013507c66b1ba000b12aa1cff122997cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e40627a3e435ca8282933520d4492013507c66b1ba000b12aa1cff122997cce", kill_on_drop: false }`
[INFO] [stdout] 5e40627a3e435ca8282933520d4492013507c66b1ba000b12aa1cff122997cce