[INFO] fetching crate opaque 0.0.0...
[INFO] documenting opaque-0.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate opaque 0.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate opaque 0.0.0 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 opaque 0.0.0
[INFO] finished tweaking crates.io crate opaque 0.0.0
[INFO] tweaked toml for crates.io crate opaque 0.0.0 written to /workspace/builds/worker-21/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 41aff299aea97ae26def47a644dab9c29fff24eedae4e58765c60b3b0e07376d
[INFO] running `Command { std: "docker" "start" "-a" "41aff299aea97ae26def47a644dab9c29fff24eedae4e58765c60b3b0e07376d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41aff299aea97ae26def47a644dab9c29fff24eedae4e58765c60b3b0e07376d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41aff299aea97ae26def47a644dab9c29fff24eedae4e58765c60b3b0e07376d", kill_on_drop: false }`
[INFO] [stdout] 41aff299aea97ae26def47a644dab9c29fff24eedae4e58765c60b3b0e07376d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 16f6b0ddf45126b0cc5623098240e4815616072b1450bc5e4375e66995c77c27
[INFO] running `Command { std: "docker" "start" "-a" "16f6b0ddf45126b0cc5623098240e4815616072b1450bc5e4375e66995c77c27", kill_on_drop: false }`
[INFO] [stderr]  Documenting opaque v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "16f6b0ddf45126b0cc5623098240e4815616072b1450bc5e4375e66995c77c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f6b0ddf45126b0cc5623098240e4815616072b1450bc5e4375e66995c77c27", kill_on_drop: false }`
[INFO] [stdout] 16f6b0ddf45126b0cc5623098240e4815616072b1450bc5e4375e66995c77c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 0f04ea3df6aee9d0afc6323c090b1af6ff7f6bcd0334862eed8b89f8bebf96a7
[INFO] running `Command { std: "docker" "start" "-a" "0f04ea3df6aee9d0afc6323c090b1af6ff7f6bcd0334862eed8b89f8bebf96a7", kill_on_drop: false }`
[INFO] [stderr]  Documenting opaque v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "0f04ea3df6aee9d0afc6323c090b1af6ff7f6bcd0334862eed8b89f8bebf96a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f04ea3df6aee9d0afc6323c090b1af6ff7f6bcd0334862eed8b89f8bebf96a7", kill_on_drop: false }`
[INFO] [stdout] 0f04ea3df6aee9d0afc6323c090b1af6ff7f6bcd0334862eed8b89f8bebf96a7