[INFO] fetching crate metrics-macros 0.5.1...
[INFO] documenting metrics-macros-0.5.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate metrics-macros 0.5.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate metrics-macros 0.5.1 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 metrics-macros 0.5.1
[INFO] finished tweaking crates.io crate metrics-macros 0.5.1
[INFO] tweaked toml for crates.io crate metrics-macros 0.5.1 written to /workspace/builds/worker-20/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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] fcae6888e292c9c5b5d1b93b925e47335c81e53c841c0ed19813f8a2732ab409
[INFO] running `Command { std: "docker" "start" "-a" "fcae6888e292c9c5b5d1b93b925e47335c81e53c841c0ed19813f8a2732ab409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcae6888e292c9c5b5d1b93b925e47335c81e53c841c0ed19813f8a2732ab409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcae6888e292c9c5b5d1b93b925e47335c81e53c841c0ed19813f8a2732ab409", kill_on_drop: false }`
[INFO] [stdout] fcae6888e292c9c5b5d1b93b925e47335c81e53c841c0ed19813f8a2732ab409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 3dcc6d2ec583ca72337b61ef4a716d9584434be1cfbce20c02617bfe652d1c8b
[INFO] running `Command { std: "docker" "start" "-a" "3dcc6d2ec583ca72337b61ef4a716d9584434be1cfbce20c02617bfe652d1c8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting metrics-macros v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "3dcc6d2ec583ca72337b61ef4a716d9584434be1cfbce20c02617bfe652d1c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcc6d2ec583ca72337b61ef4a716d9584434be1cfbce20c02617bfe652d1c8b", kill_on_drop: false }`
[INFO] [stdout] 3dcc6d2ec583ca72337b61ef4a716d9584434be1cfbce20c02617bfe652d1c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 669d3b6ba55be618bc462a16aac84ef7ce38734fe9d70cf9da83b84b4678264f
[INFO] running `Command { std: "docker" "start" "-a" "669d3b6ba55be618bc462a16aac84ef7ce38734fe9d70cf9da83b84b4678264f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting metrics-macros v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "669d3b6ba55be618bc462a16aac84ef7ce38734fe9d70cf9da83b84b4678264f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669d3b6ba55be618bc462a16aac84ef7ce38734fe9d70cf9da83b84b4678264f", kill_on_drop: false }`
[INFO] [stdout] 669d3b6ba55be618bc462a16aac84ef7ce38734fe9d70cf9da83b84b4678264f