[INFO] fetching crate mobc 0.7.3...
[INFO] documenting mobc-0.7.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mobc 0.7.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mobc 0.7.3 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 mobc 0.7.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mobc 0.7.3
[INFO] tweaked toml for crates.io crate mobc 0.7.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mobc 0.7.3 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1a64d78bc5df7a2d4a406f65b7bdd18d376b31e54fbd9cec0a7fb6651a8fe09f
[INFO] running `Command { std: "docker" "start" "-a" "1a64d78bc5df7a2d4a406f65b7bdd18d376b31e54fbd9cec0a7fb6651a8fe09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a64d78bc5df7a2d4a406f65b7bdd18d376b31e54fbd9cec0a7fb6651a8fe09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a64d78bc5df7a2d4a406f65b7bdd18d376b31e54fbd9cec0a7fb6651a8fe09f", kill_on_drop: false }`
[INFO] [stdout] 1a64d78bc5df7a2d4a406f65b7bdd18d376b31e54fbd9cec0a7fb6651a8fe09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e50cb884f1f6b547dadb4bb2212e3eb12de68d5bb06b7e7628a5fc0f28b72dc3
[INFO] running `Command { std: "docker" "start" "-a" "e50cb884f1f6b547dadb4bb2212e3eb12de68d5bb06b7e7628a5fc0f28b72dc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]  Documenting mobc v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.95s
[INFO] running `Command { std: "docker" "inspect" "e50cb884f1f6b547dadb4bb2212e3eb12de68d5bb06b7e7628a5fc0f28b72dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50cb884f1f6b547dadb4bb2212e3eb12de68d5bb06b7e7628a5fc0f28b72dc3", kill_on_drop: false }`
[INFO] [stdout] e50cb884f1f6b547dadb4bb2212e3eb12de68d5bb06b7e7628a5fc0f28b72dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "--features" "unstable" "--frozen" "--message-format=json" "--" "--cfg" "feature=\"unstable\"" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e5c0bcba9387a668d699c5cc4935b512cc09abfb830116cde7e0e4fed60820de
[INFO] running `Command { std: "docker" "start" "-a" "e5c0bcba9387a668d699c5cc4935b512cc09abfb830116cde7e0e4fed60820de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]  Documenting mobc v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.76s
[INFO] running `Command { std: "docker" "inspect" "e5c0bcba9387a668d699c5cc4935b512cc09abfb830116cde7e0e4fed60820de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c0bcba9387a668d699c5cc4935b512cc09abfb830116cde7e0e4fed60820de", kill_on_drop: false }`
[INFO] [stdout] e5c0bcba9387a668d699c5cc4935b512cc09abfb830116cde7e0e4fed60820de