[INFO] fetching crate clone-fields 0.5.0...
[INFO] documenting clone-fields-0.5.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate clone-fields 0.5.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate clone-fields 0.5.0 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 clone-fields 0.5.0
[INFO] finished tweaking crates.io crate clone-fields 0.5.0
[INFO] tweaked toml for crates.io crate clone-fields 0.5.0 written to /workspace/builds/worker-89/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] 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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 6c915c8a52e190ffd27157e06196105d500e5b3d53272a5c3ead2af74f921d48
[INFO] running `Command { std: "docker" "start" "-a" "6c915c8a52e190ffd27157e06196105d500e5b3d53272a5c3ead2af74f921d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c915c8a52e190ffd27157e06196105d500e5b3d53272a5c3ead2af74f921d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c915c8a52e190ffd27157e06196105d500e5b3d53272a5c3ead2af74f921d48", kill_on_drop: false }`
[INFO] [stdout] 6c915c8a52e190ffd27157e06196105d500e5b3d53272a5c3ead2af74f921d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 907b3e1a5ff2a7fd7613ed24b429a3654670850ecbe3ef0fe5f41761884dfe48
[INFO] running `Command { std: "docker" "start" "-a" "907b3e1a5ff2a7fd7613ed24b429a3654670850ecbe3ef0fe5f41761884dfe48", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fields-converter-derive v0.1.4
[INFO] [stderr]  Documenting clone-fields v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "907b3e1a5ff2a7fd7613ed24b429a3654670850ecbe3ef0fe5f41761884dfe48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907b3e1a5ff2a7fd7613ed24b429a3654670850ecbe3ef0fe5f41761884dfe48", kill_on_drop: false }`
[INFO] [stdout] 907b3e1a5ff2a7fd7613ed24b429a3654670850ecbe3ef0fe5f41761884dfe48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] [stdout] c2f5740aac5b8120b8cba0a56591a60d1588d16c01216bf74d660432b00b1073
[INFO] running `Command { std: "docker" "start" "-a" "c2f5740aac5b8120b8cba0a56591a60d1588d16c01216bf74d660432b00b1073", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fields-converter-derive v0.1.4
[INFO] [stderr]  Documenting clone-fields v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "c2f5740aac5b8120b8cba0a56591a60d1588d16c01216bf74d660432b00b1073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f5740aac5b8120b8cba0a56591a60d1588d16c01216bf74d660432b00b1073", kill_on_drop: false }`
[INFO] [stdout] c2f5740aac5b8120b8cba0a56591a60d1588d16c01216bf74d660432b00b1073