[INFO] fetching crate backtrace-sys 0.1.37...
[INFO] documenting backtrace-sys-0.1.37 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate backtrace-sys 0.1.37 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate backtrace-sys 0.1.37 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 backtrace-sys 0.1.37
[INFO] finished tweaking crates.io crate backtrace-sys 0.1.37
[INFO] tweaked toml for crates.io crate backtrace-sys 0.1.37 written to /workspace/builds/worker-61/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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 6427691dcff1a44bd84ed1de13971dc888011d8066e96c82f6d1ef2a5c296c93
[INFO] running `Command { std: "docker" "start" "-a" "6427691dcff1a44bd84ed1de13971dc888011d8066e96c82f6d1ef2a5c296c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6427691dcff1a44bd84ed1de13971dc888011d8066e96c82f6d1ef2a5c296c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6427691dcff1a44bd84ed1de13971dc888011d8066e96c82f6d1ef2a5c296c93", kill_on_drop: false }`
[INFO] [stdout] 6427691dcff1a44bd84ed1de13971dc888011d8066e96c82f6d1ef2a5c296c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] c0969f6c1f120a9e819193d0a293a864a0e9fb15958f77291ad0049dd086b0f6
[INFO] running `Command { std: "docker" "start" "-a" "c0969f6c1f120a9e819193d0a293a864a0e9fb15958f77291ad0049dd086b0f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling backtrace-sys v0.1.37 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting backtrace-sys v0.1.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "c0969f6c1f120a9e819193d0a293a864a0e9fb15958f77291ad0049dd086b0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0969f6c1f120a9e819193d0a293a864a0e9fb15958f77291ad0049dd086b0f6", kill_on_drop: false }`
[INFO] [stdout] c0969f6c1f120a9e819193d0a293a864a0e9fb15958f77291ad0049dd086b0f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] da259e39a979491272a1103ee04c82210008faa9cfb0408976ea5166ab728944
[INFO] running `Command { std: "docker" "start" "-a" "da259e39a979491272a1103ee04c82210008faa9cfb0408976ea5166ab728944", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling backtrace-sys v0.1.37 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting backtrace-sys v0.1.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "da259e39a979491272a1103ee04c82210008faa9cfb0408976ea5166ab728944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da259e39a979491272a1103ee04c82210008faa9cfb0408976ea5166ab728944", kill_on_drop: false }`
[INFO] [stdout] da259e39a979491272a1103ee04c82210008faa9cfb0408976ea5166ab728944