[INFO] fetching crate appc 0.0.1-dev.4...
[INFO] documenting appc-0.0.1-dev.4 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate appc 0.0.1-dev.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate appc 0.0.1-dev.4 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 appc 0.0.1-dev.4
[INFO] finished tweaking crates.io crate appc 0.0.1-dev.4
[INFO] tweaked toml for crates.io crate appc 0.0.1-dev.4 written to /workspace/builds/worker-14/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] 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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5194db54f577a8d6602b549f50209597375571ba74fd1aff9d893df4e766137b
[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" "5194db54f577a8d6602b549f50209597375571ba74fd1aff9d893df4e766137b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5194db54f577a8d6602b549f50209597375571ba74fd1aff9d893df4e766137b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5194db54f577a8d6602b549f50209597375571ba74fd1aff9d893df4e766137b", kill_on_drop: false }`
[INFO] [stdout] 5194db54f577a8d6602b549f50209597375571ba74fd1aff9d893df4e766137b
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbeb0c8a377677717baf83334ad1bde24e1337d4f27e3b9cbe6548f789d97643
[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" "fbeb0c8a377677717baf83334ad1bde24e1337d4f27e3b9cbe6548f789d97643", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking semver v0.6.0
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]    Compiling parsswd v0.1.0
[INFO] [stderr]  Documenting appc v0.0.1-dev.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "fbeb0c8a377677717baf83334ad1bde24e1337d4f27e3b9cbe6548f789d97643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbeb0c8a377677717baf83334ad1bde24e1337d4f27e3b9cbe6548f789d97643", kill_on_drop: false }`
[INFO] [stdout] fbeb0c8a377677717baf83334ad1bde24e1337d4f27e3b9cbe6548f789d97643
