[INFO] cloning repository https://github.com/d4be4st/rust-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d4be4st/rust-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4be4st%2Frust-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd4be4st%2Frust-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b0ac4e0656adbdf3723b8542fbe48655aa57643
[INFO] documenting d4be4st/rust-2021 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%2Fd4be4st%2Frust-2021" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d4be4st/rust-2021 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/d4be4st/rust-2021
[INFO] finished tweaking git repo https://github.com/d4be4st/rust-2021
[INFO] tweaked toml for git repo https://github.com/d4be4st/rust-2021 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/d4be4st/rust-2021 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] [stdout] cc2779491a8965b42801d9f407aab68cecf901e9f5425e8c648332ab4e9d0abf
[INFO] running `Command { std: "docker" "start" "-a" "cc2779491a8965b42801d9f407aab68cecf901e9f5425e8c648332ab4e9d0abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc2779491a8965b42801d9f407aab68cecf901e9f5425e8c648332ab4e9d0abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2779491a8965b42801d9f407aab68cecf901e9f5425e8c648332ab4e9d0abf", kill_on_drop: false }`
[INFO] [stdout] cc2779491a8965b42801d9f407aab68cecf901e9f5425e8c648332ab4e9d0abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 81cf95ab769d8eab0e6c990cb7d8f152dc8ffd86c383420a6d6beb5b15b462de
[INFO] running `Command { std: "docker" "start" "-a" "81cf95ab769d8eab0e6c990cb7d8f152dc8ffd86c383420a6d6beb5b15b462de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]  Documenting rust-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "81cf95ab769d8eab0e6c990cb7d8f152dc8ffd86c383420a6d6beb5b15b462de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81cf95ab769d8eab0e6c990cb7d8f152dc8ffd86c383420a6d6beb5b15b462de", kill_on_drop: false }`
[INFO] [stdout] 81cf95ab769d8eab0e6c990cb7d8f152dc8ffd86c383420a6d6beb5b15b462de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] [stdout] bb1210178da6dacb5fec3e6e72c63637e59bc7b40ac94b5ff1cd92ab1af18d90
[INFO] running `Command { std: "docker" "start" "-a" "bb1210178da6dacb5fec3e6e72c63637e59bc7b40ac94b5ff1cd92ab1af18d90", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]  Documenting rust-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "bb1210178da6dacb5fec3e6e72c63637e59bc7b40ac94b5ff1cd92ab1af18d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1210178da6dacb5fec3e6e72c63637e59bc7b40ac94b5ff1cd92ab1af18d90", kill_on_drop: false }`
[INFO] [stdout] bb1210178da6dacb5fec3e6e72c63637e59bc7b40ac94b5ff1cd92ab1af18d90