[INFO] fetching crate background-jobs-core 0.12.0...
[INFO] documenting background-jobs-core-0.12.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate background-jobs-core 0.12.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate background-jobs-core 0.12.0 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 background-jobs-core 0.12.0
[INFO] finished tweaking crates.io crate background-jobs-core 0.12.0
[INFO] tweaked toml for crates.io crate background-jobs-core 0.12.0 written to /workspace/builds/worker-73/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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 4dac36177e8fee8823cce474474e1dda185dcd789f38b9e38e62404ee4881beb
[INFO] running `Command { std: "docker" "start" "-a" "4dac36177e8fee8823cce474474e1dda185dcd789f38b9e38e62404ee4881beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dac36177e8fee8823cce474474e1dda185dcd789f38b9e38e62404ee4881beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dac36177e8fee8823cce474474e1dda185dcd789f38b9e38e62404ee4881beb", kill_on_drop: false }`
[INFO] [stdout] 4dac36177e8fee8823cce474474e1dda185dcd789f38b9e38e62404ee4881beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] 5ffd5ef090a94944ed3d3702e2b30f3079cf33bcfaf1058d65e6222c0501d01c
[INFO] running `Command { std: "docker" "start" "-a" "5ffd5ef090a94944ed3d3702e2b30f3079cf33bcfaf1058d65e6222c0501d01c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]  Documenting background-jobs-core v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.21s
[INFO] running `Command { std: "docker" "inspect" "5ffd5ef090a94944ed3d3702e2b30f3079cf33bcfaf1058d65e6222c0501d01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ffd5ef090a94944ed3d3702e2b30f3079cf33bcfaf1058d65e6222c0501d01c", kill_on_drop: false }`
[INFO] [stdout] 5ffd5ef090a94944ed3d3702e2b30f3079cf33bcfaf1058d65e6222c0501d01c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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] cc47db55b97ffff33cb88f360f67ae875d4f7c4edc6195608ddbb98e113807bf
[INFO] running `Command { std: "docker" "start" "-a" "cc47db55b97ffff33cb88f360f67ae875d4f7c4edc6195608ddbb98e113807bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]  Documenting background-jobs-core v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.16s
[INFO] running `Command { std: "docker" "inspect" "cc47db55b97ffff33cb88f360f67ae875d4f7c4edc6195608ddbb98e113807bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc47db55b97ffff33cb88f360f67ae875d4f7c4edc6195608ddbb98e113807bf", kill_on_drop: false }`
[INFO] [stdout] cc47db55b97ffff33cb88f360f67ae875d4f7c4edc6195608ddbb98e113807bf