[INFO] cloning repository https://github.com/Cargo-Advanced/cargo-advanced
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cargo-Advanced/cargo-advanced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCargo-Advanced%2Fcargo-advanced", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCargo-Advanced%2Fcargo-advanced'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95c24bca5b0d45a99a6e214296af3de2c2299b57
[INFO] documenting Cargo-Advanced/cargo-advanced against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCargo-Advanced%2Fcargo-advanced" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cargo-Advanced/cargo-advanced 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 git repo https://github.com/Cargo-Advanced/cargo-advanced
[INFO] finished tweaking git repo https://github.com/Cargo-Advanced/cargo-advanced
[INFO] tweaked toml for git repo https://github.com/Cargo-Advanced/cargo-advanced written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cargo-Advanced/cargo-advanced already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa35e1de0c6ee9287ef0e7f51703c2f34ee641aa95b7b7dc48b72d1b7cf77f41
[INFO] running `Command { std: "docker" "start" "-a" "aa35e1de0c6ee9287ef0e7f51703c2f34ee641aa95b7b7dc48b72d1b7cf77f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa35e1de0c6ee9287ef0e7f51703c2f34ee641aa95b7b7dc48b72d1b7cf77f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa35e1de0c6ee9287ef0e7f51703c2f34ee641aa95b7b7dc48b72d1b7cf77f41", kill_on_drop: false }`
[INFO] [stdout] aa35e1de0c6ee9287ef0e7f51703c2f34ee641aa95b7b7dc48b72d1b7cf77f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0995e0a63985d28dad1aa68eb8edec207b71776681da429fa963ec4f316b4a7d
[INFO] running `Command { std: "docker" "start" "-a" "0995e0a63985d28dad1aa68eb8edec207b71776681da429fa963ec4f316b4a7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]  Documenting cargo_advanced v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "0995e0a63985d28dad1aa68eb8edec207b71776681da429fa963ec4f316b4a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0995e0a63985d28dad1aa68eb8edec207b71776681da429fa963ec4f316b4a7d", kill_on_drop: false }`
[INFO] [stdout] 0995e0a63985d28dad1aa68eb8edec207b71776681da429fa963ec4f316b4a7d