[INFO] cloning repository https://github.com/ephraimkunz/rs-lcr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ephraimkunz/rs-lcr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fephraimkunz%2Frs-lcr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fephraimkunz%2Frs-lcr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd983ddc5fc1bb8b7e7644d582ff7d8c7715caa8
[INFO] documenting ephraimkunz/rs-lcr against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fephraimkunz%2Frs-lcr" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ephraimkunz/rs-lcr on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ephraimkunz/rs-lcr
[INFO] finished tweaking git repo https://github.com/ephraimkunz/rs-lcr
[INFO] tweaked toml for git repo https://github.com/ephraimkunz/rs-lcr written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ephraimkunz/rs-lcr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.5.0
[INFO] [stderr]   Downloaded core-foundation v0.7.1
[INFO] [stderr]   Downloaded derive_builder v0.7.2
[INFO] [stderr]   Downloaded headless_chrome v0.9.0
[INFO] [stderr]   Downloaded websocket v0.23.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.1
[INFO] [stderr]   Downloaded cc v1.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6b897ec418a8f6863e88e1bcf7183fff19de22d5953debef79ddb18fc0772f
[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" "cb6b897ec418a8f6863e88e1bcf7183fff19de22d5953debef79ddb18fc0772f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6b897ec418a8f6863e88e1bcf7183fff19de22d5953debef79ddb18fc0772f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6b897ec418a8f6863e88e1bcf7183fff19de22d5953debef79ddb18fc0772f", kill_on_drop: false }`
[INFO] [stdout] cb6b897ec418a8f6863e88e1bcf7183fff19de22d5953debef79ddb18fc0772f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a559c693bde6e7c170199b4ab141e5d107bbe69c699878fb6edd9a8c6ff247b
[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" "0a559c693bde6e7c170199b4ab141e5d107bbe69c699878fb6edd9a8c6ff247b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking websocket v0.23.0
[INFO] [stderr]     Checking headless_chrome v0.9.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting lcr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.16s
[INFO] running `Command { std: "docker" "inspect" "0a559c693bde6e7c170199b4ab141e5d107bbe69c699878fb6edd9a8c6ff247b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a559c693bde6e7c170199b4ab141e5d107bbe69c699878fb6edd9a8c6ff247b", kill_on_drop: false }`
[INFO] [stdout] 0a559c693bde6e7c170199b4ab141e5d107bbe69c699878fb6edd9a8c6ff247b