[INFO] cloning repository https://github.com/davepacheco/experiment-rust-coredump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davepacheco/experiment-rust-coredump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavepacheco%2Fexperiment-rust-coredump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavepacheco%2Fexperiment-rust-coredump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 226e2e8811bc52695b2e809de954655cfed9a483
[INFO] documenting davepacheco/experiment-rust-coredump 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%2Fdavepacheco%2Fexperiment-rust-coredump" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davepacheco/experiment-rust-coredump 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/davepacheco/experiment-rust-coredump
[INFO] finished tweaking git repo https://github.com/davepacheco/experiment-rust-coredump
[INFO] tweaked toml for git repo https://github.com/davepacheco/experiment-rust-coredump written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/davepacheco/experiment-rust-coredump 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 coredump v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1c8c9081c59f1879183574df0c905343201d7c740f25b25a1cb086c26f6dc258
[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" "1c8c9081c59f1879183574df0c905343201d7c740f25b25a1cb086c26f6dc258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8c9081c59f1879183574df0c905343201d7c740f25b25a1cb086c26f6dc258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8c9081c59f1879183574df0c905343201d7c740f25b25a1cb086c26f6dc258", kill_on_drop: false }`
[INFO] [stdout] 1c8c9081c59f1879183574df0c905343201d7c740f25b25a1cb086c26f6dc258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 21bc0560b56fda7cdda625b7925bd1058da1746f1e2fb17ab048b0588a276125
[INFO] running `Command { std: "docker" "start" "-a" "21bc0560b56fda7cdda625b7925bd1058da1746f1e2fb17ab048b0588a276125", kill_on_drop: false }`
[INFO] [stderr]     Checking coredump v0.1.1
[INFO] [stderr]  Documenting experiment-rust-coredump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "21bc0560b56fda7cdda625b7925bd1058da1746f1e2fb17ab048b0588a276125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21bc0560b56fda7cdda625b7925bd1058da1746f1e2fb17ab048b0588a276125", kill_on_drop: false }`
[INFO] [stdout] 21bc0560b56fda7cdda625b7925bd1058da1746f1e2fb17ab048b0588a276125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a65eab486f59320dcfc2a565f579931b924d86f92e5c6259db87306469935754
[INFO] running `Command { std: "docker" "start" "-a" "a65eab486f59320dcfc2a565f579931b924d86f92e5c6259db87306469935754", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking coredump v0.1.1
[INFO] [stderr]  Documenting experiment-rust-coredump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "a65eab486f59320dcfc2a565f579931b924d86f92e5c6259db87306469935754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65eab486f59320dcfc2a565f579931b924d86f92e5c6259db87306469935754", kill_on_drop: false }`
[INFO] [stdout] a65eab486f59320dcfc2a565f579931b924d86f92e5c6259db87306469935754