[INFO] cloning repository https://github.com/rust-lang-nursery/polonius
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/polonius" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fpolonius'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 981785c101b68ff54663f34557ad85d5e9478dc7
[INFO] documenting rust-lang-nursery/polonius 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%2Frust-lang-nursery%2Fpolonius" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/polonius 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] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/polonius
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/polonius written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/polonius 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 pico-args v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] c4d3fe013982cd2187074aa767562f597ac6cc28caf995f45b659350c8eb73b1
[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" "c4d3fe013982cd2187074aa767562f597ac6cc28caf995f45b659350c8eb73b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d3fe013982cd2187074aa767562f597ac6cc28caf995f45b659350c8eb73b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d3fe013982cd2187074aa767562f597ac6cc28caf995f45b659350c8eb73b1", kill_on_drop: false }`
[INFO] [stdout] c4d3fe013982cd2187074aa767562f597ac6cc28caf995f45b659350c8eb73b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9b792c407a5f2b3f247e04628dc48f0ad5144e95ad3117ebd2334801bfa82ef0
[INFO] running `Command { std: "docker" "start" "-a" "9b792c407a5f2b3f247e04628dc48f0ad5144e95ad3117ebd2334801bfa82ef0", kill_on_drop: false }`
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking pico-args v0.2.0
[INFO] [stderr]     Checking polonius-engine v0.13.0 (/opt/rustwide/workdir/polonius-engine)
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]  Documenting polonius v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "9b792c407a5f2b3f247e04628dc48f0ad5144e95ad3117ebd2334801bfa82ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b792c407a5f2b3f247e04628dc48f0ad5144e95ad3117ebd2334801bfa82ef0", kill_on_drop: false }`
[INFO] [stdout] 9b792c407a5f2b3f247e04628dc48f0ad5144e95ad3117ebd2334801bfa82ef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 92e58aef65128e5cd9eb0af800862ad3dce6ff4d2f3614883ae1d6c6acf7dda1
[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" "92e58aef65128e5cd9eb0af800862ad3dce6ff4d2f3614883ae1d6c6acf7dda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking datafrog v2.0.1
[INFO] [stderr]     Checking pico-args v0.2.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking polonius-engine v0.13.0 (/opt/rustwide/workdir/polonius-engine)
[INFO] [stderr]  Documenting polonius v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "92e58aef65128e5cd9eb0af800862ad3dce6ff4d2f3614883ae1d6c6acf7dda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e58aef65128e5cd9eb0af800862ad3dce6ff4d2f3614883ae1d6c6acf7dda1", kill_on_drop: false }`
[INFO] [stdout] 92e58aef65128e5cd9eb0af800862ad3dce6ff4d2f3614883ae1d6c6acf7dda1