[INFO] cloning repository https://github.com/EnsicoinDevs/ensicoin-serializer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EnsicoinDevs/ensicoin-serializer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnsicoinDevs%2Fensicoin-serializer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnsicoinDevs%2Fensicoin-serializer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e16c70654685c398ab909f3590e6d190459dc89
[INFO] documenting EnsicoinDevs/ensicoin-serializer against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnsicoinDevs%2Fensicoin-serializer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EnsicoinDevs/ensicoin-serializer on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EnsicoinDevs/ensicoin-serializer
[INFO] finished tweaking git repo https://github.com/EnsicoinDevs/ensicoin-serializer
[INFO] tweaked toml for git repo https://github.com/EnsicoinDevs/ensicoin-serializer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/EnsicoinDevs/ensicoin-serializer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ensicoin_serializer v2.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 28b1b1ecb0baeb0e014cedbbb44eb2f45fdb8b104895f980134bbdb84e7a12da
[INFO] running `Command { std: "docker" "start" "-a" "28b1b1ecb0baeb0e014cedbbb44eb2f45fdb8b104895f980134bbdb84e7a12da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b1b1ecb0baeb0e014cedbbb44eb2f45fdb8b104895f980134bbdb84e7a12da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b1b1ecb0baeb0e014cedbbb44eb2f45fdb8b104895f980134bbdb84e7a12da", kill_on_drop: false }`
[INFO] [stdout] 28b1b1ecb0baeb0e014cedbbb44eb2f45fdb8b104895f980134bbdb84e7a12da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] c34fb2802314ba43e585978bcc9c50343558750e7d3dbb916b1bf5d45c931600
[INFO] running `Command { std: "docker" "start" "-a" "c34fb2802314ba43e585978bcc9c50343558750e7d3dbb916b1bf5d45c931600", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]  Documenting ensicoin_serializer v2.0.9 (/opt/rustwide/workdir/ensicoin-serializer)
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]  Documenting ensicoin_serializer_derive v0.2.7 (/opt/rustwide/workdir/ensicoin_serializer_derive)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "c34fb2802314ba43e585978bcc9c50343558750e7d3dbb916b1bf5d45c931600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34fb2802314ba43e585978bcc9c50343558750e7d3dbb916b1bf5d45c931600", kill_on_drop: false }`
[INFO] [stdout] c34fb2802314ba43e585978bcc9c50343558750e7d3dbb916b1bf5d45c931600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] c5f4557a61801322fdde60dffe1ed221bbf0c687f90472a2b402e5ee2da48e1f
[INFO] running `Command { std: "docker" "start" "-a" "c5f4557a61801322fdde60dffe1ed221bbf0c687f90472a2b402e5ee2da48e1f", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "c5f4557a61801322fdde60dffe1ed221bbf0c687f90472a2b402e5ee2da48e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f4557a61801322fdde60dffe1ed221bbf0c687f90472a2b402e5ee2da48e1f", kill_on_drop: false }`
[INFO] [stdout] c5f4557a61801322fdde60dffe1ed221bbf0c687f90472a2b402e5ee2da48e1f