[INFO] fetching crate reboot-arch-btw 0.2.1...
[INFO] documenting reboot-arch-btw-0.2.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate reboot-arch-btw 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate reboot-arch-btw 0.2.1 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 reboot-arch-btw 0.2.1
[INFO] finished tweaking crates.io crate reboot-arch-btw 0.2.1
[INFO] tweaked toml for crates.io crate reboot-arch-btw 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate reboot-arch-btw 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e9ea88c3eeff44e5a80df0731b371cd2f1d96973f47464c2a99d85d1a7599046
[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" "e9ea88c3eeff44e5a80df0731b371cd2f1d96973f47464c2a99d85d1a7599046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ea88c3eeff44e5a80df0731b371cd2f1d96973f47464c2a99d85d1a7599046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ea88c3eeff44e5a80df0731b371cd2f1d96973f47464c2a99d85d1a7599046", kill_on_drop: false }`
[INFO] [stdout] e9ea88c3eeff44e5a80df0731b371cd2f1d96973f47464c2a99d85d1a7599046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] eb03bb69e3cf27a395275b8d9ea84997b81b9a8aace9dafaab5bd0ecbef3d718
[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" "eb03bb69e3cf27a395275b8d9ea84997b81b9a8aace9dafaab5bd0ecbef3d718", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling alpm-sys-fork v1.0.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking alpm v0.9.0
[INFO] [stderr]     Checking notify-rust v3.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]  Documenting reboot-arch-btw v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.82s
[INFO] running `Command { std: "docker" "inspect" "eb03bb69e3cf27a395275b8d9ea84997b81b9a8aace9dafaab5bd0ecbef3d718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb03bb69e3cf27a395275b8d9ea84997b81b9a8aace9dafaab5bd0ecbef3d718", kill_on_drop: false }`
[INFO] [stdout] eb03bb69e3cf27a395275b8d9ea84997b81b9a8aace9dafaab5bd0ecbef3d718
