[INFO] fetching crate xcp 0.7.3...
[INFO] documenting xcp-0.7.3 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate xcp 0.7.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate xcp 0.7.3 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 xcp 0.7.3
[INFO] finished tweaking crates.io crate xcp 0.7.3
[INFO] tweaked toml for crates.io crate xcp 0.7.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate xcp 0.7.3 already has a lockfile, it will not be regenerated
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3e2db5e87acad4dfaaad279773c49d258ddc455ddfc39147205a2f5bef4dc933
[INFO] running `Command { std: "docker" "start" "-a" "3e2db5e87acad4dfaaad279773c49d258ddc455ddfc39147205a2f5bef4dc933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e2db5e87acad4dfaaad279773c49d258ddc455ddfc39147205a2f5bef4dc933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2db5e87acad4dfaaad279773c49d258ddc455ddfc39147205a2f5bef4dc933", kill_on_drop: false }`
[INFO] [stdout] 3e2db5e87acad4dfaaad279773c49d258ddc455ddfc39147205a2f5bef4dc933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 88cd2c5b51e69d9518ae78fdd2dcb3a6da7aa4c47e5ced21e0b08eeca517e67f
[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" "88cd2c5b51e69d9518ae78fdd2dcb3a6da7aa4c47e5ced21e0b08eeca517e67f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking unbytify v0.2.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking simplelog v0.7.5
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]  Documenting xcp v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.49s
[INFO] running `Command { std: "docker" "inspect" "88cd2c5b51e69d9518ae78fdd2dcb3a6da7aa4c47e5ced21e0b08eeca517e67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88cd2c5b51e69d9518ae78fdd2dcb3a6da7aa4c47e5ced21e0b08eeca517e67f", kill_on_drop: false }`
[INFO] [stdout] 88cd2c5b51e69d9518ae78fdd2dcb3a6da7aa4c47e5ced21e0b08eeca517e67f