[INFO] fetching crate cexpr 0.4.0...
[INFO] documenting cexpr-0.4.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate cexpr 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cexpr 0.4.0 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 cexpr 0.4.0
[INFO] finished tweaking crates.io crate cexpr 0.4.0
[INFO] tweaked toml for crates.io crate cexpr 0.4.0 written to /workspace/builds/worker-5/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b47d1c04cb200a1e58e418dcff06b62d68c63c509faa7698e600c32b72e1ce91
[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" "b47d1c04cb200a1e58e418dcff06b62d68c63c509faa7698e600c32b72e1ce91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47d1c04cb200a1e58e418dcff06b62d68c63c509faa7698e600c32b72e1ce91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47d1c04cb200a1e58e418dcff06b62d68c63c509faa7698e600c32b72e1ce91", kill_on_drop: false }`
[INFO] [stdout] b47d1c04cb200a1e58e418dcff06b62d68c63c509faa7698e600c32b72e1ce91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3fb443440be137a7d925ba11306719f7dc0bbfb0c6399f7fe440fad8971d06df
[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" "3fb443440be137a7d925ba11306719f7dc0bbfb0c6399f7fe440fad8971d06df", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]  Documenting cexpr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "3fb443440be137a7d925ba11306719f7dc0bbfb0c6399f7fe440fad8971d06df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb443440be137a7d925ba11306719f7dc0bbfb0c6399f7fe440fad8971d06df", kill_on_drop: false }`
[INFO] [stdout] 3fb443440be137a7d925ba11306719f7dc0bbfb0c6399f7fe440fad8971d06df
