[INFO] cloning repository https://github.com/hone/hello_helix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hone/hello_helix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhello_helix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhello_helix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67fc0d3c8bcaccc08db3dd0c25d4019f09e3f18
[INFO] documenting hone/hello_helix against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhello_helix" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hone/hello_helix on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hone/hello_helix
[INFO] finished tweaking git repo https://github.com/hone/hello_helix
[INFO] tweaked toml for git repo https://github.com/hone/hello_helix written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hone/hello_helix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-05-20" "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] 8ea553ea63c5c2731d6383b60a8dc7a3734b8e9aca0b3d0b9068598f28077ed9
[INFO] running `Command { std: "docker" "start" "-a" "8ea553ea63c5c2731d6383b60a8dc7a3734b8e9aca0b3d0b9068598f28077ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea553ea63c5c2731d6383b60a8dc7a3734b8e9aca0b3d0b9068598f28077ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea553ea63c5c2731d6383b60a8dc7a3734b8e9aca0b3d0b9068598f28077ed9", kill_on_drop: false }`
[INFO] [stdout] 8ea553ea63c5c2731d6383b60a8dc7a3734b8e9aca0b3d0b9068598f28077ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adff858baf723b893613ef6fdf6bc6da8a89d853bc70bff6fc8b2b740eecfcf4
[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" "adff858baf723b893613ef6fdf6bc6da8a89d853bc70bff6fc8b2b740eecfcf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcruby-sys v0.6.4
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking cslice v0.3.0
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]     Checking helix v0.6.4
[INFO] [stderr]  Documenting hello_helix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "adff858baf723b893613ef6fdf6bc6da8a89d853bc70bff6fc8b2b740eecfcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adff858baf723b893613ef6fdf6bc6da8a89d853bc70bff6fc8b2b740eecfcf4", kill_on_drop: false }`
[INFO] [stdout] adff858baf723b893613ef6fdf6bc6da8a89d853bc70bff6fc8b2b740eecfcf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2022-05-20" "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] 7d8306f51e2f14b84997af6da746b566223bb19df05d30db12169eb08682b910
[INFO] running `Command { std: "docker" "start" "-a" "7d8306f51e2f14b84997af6da746b566223bb19df05d30db12169eb08682b910", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcruby-sys v0.6.4
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]     Checking cslice v0.3.0
[INFO] [stderr]     Checking helix v0.6.4
[INFO] [stderr]  Documenting hello_helix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `Command { std: "docker" "inspect" "7d8306f51e2f14b84997af6da746b566223bb19df05d30db12169eb08682b910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8306f51e2f14b84997af6da746b566223bb19df05d30db12169eb08682b910", kill_on_drop: false }`
[INFO] [stdout] 7d8306f51e2f14b84997af6da746b566223bb19df05d30db12169eb08682b910