[INFO] fetching crate dvk 0.1.6...
[INFO] documenting dvk-0.1.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate dvk 0.1.6 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate dvk 0.1.6 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 crates.io crate dvk 0.1.6
[INFO] finished tweaking crates.io crate dvk 0.1.6
[INFO] tweaked toml for crates.io crate dvk 0.1.6 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 5074bf331bed9bda77729798ef9c1a1da01524456bdea5667c1da49392806d68
[INFO] running `Command { std: "docker" "start" "-a" "5074bf331bed9bda77729798ef9c1a1da01524456bdea5667c1da49392806d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5074bf331bed9bda77729798ef9c1a1da01524456bdea5667c1da49392806d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5074bf331bed9bda77729798ef9c1a1da01524456bdea5667c1da49392806d68", kill_on_drop: false }`
[INFO] [stdout] 5074bf331bed9bda77729798ef9c1a1da01524456bdea5667c1da49392806d68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 82b4d2e5ce20ac822833f0207b1ac2cba20df479c2a114becbcc47aa61e0a99a
[INFO] running `Command { std: "docker" "start" "-a" "82b4d2e5ce20ac822833f0207b1ac2cba20df479c2a114becbcc47aa61e0a99a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]  Documenting dvk v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "82b4d2e5ce20ac822833f0207b1ac2cba20df479c2a114becbcc47aa61e0a99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b4d2e5ce20ac822833f0207b1ac2cba20df479c2a114becbcc47aa61e0a99a", kill_on_drop: false }`
[INFO] [stdout] 82b4d2e5ce20ac822833f0207b1ac2cba20df479c2a114becbcc47aa61e0a99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 116cd83d07c0b7f1706858652d0b91b37ec8052dd35bc00bff932e1fa574ce92
[INFO] running `Command { std: "docker" "start" "-a" "116cd83d07c0b7f1706858652d0b91b37ec8052dd35bc00bff932e1fa574ce92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]  Documenting dvk v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "116cd83d07c0b7f1706858652d0b91b37ec8052dd35bc00bff932e1fa574ce92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116cd83d07c0b7f1706858652d0b91b37ec8052dd35bc00bff932e1fa574ce92", kill_on_drop: false }`
[INFO] [stdout] 116cd83d07c0b7f1706858652d0b91b37ec8052dd35bc00bff932e1fa574ce92