[INFO] fetching crate ergo_sync 0.1.0...
[INFO] documenting ergo_sync-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ergo_sync 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate ergo_sync 0.1.0 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 ergo_sync 0.1.0
[INFO] finished tweaking crates.io crate ergo_sync 0.1.0
[INFO] tweaked toml for crates.io crate ergo_sync 0.1.0 written to /workspace/builds/worker-17/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] e4e3f47e2f5b5aa21ab8366beaea2d5be1e056ca47eb2a83130f8fc557cad1c4
[INFO] running `Command { std: "docker" "start" "-a" "e4e3f47e2f5b5aa21ab8366beaea2d5be1e056ca47eb2a83130f8fc557cad1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e3f47e2f5b5aa21ab8366beaea2d5be1e056ca47eb2a83130f8fc557cad1c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e3f47e2f5b5aa21ab8366beaea2d5be1e056ca47eb2a83130f8fc557cad1c4", kill_on_drop: false }`
[INFO] [stdout] e4e3f47e2f5b5aa21ab8366beaea2d5be1e056ca47eb2a83130f8fc557cad1c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] f387c1bf522d79e9c3682f8961bc8acfea6d170febd6b184a0a26d542922d31d
[INFO] running `Command { std: "docker" "start" "-a" "f387c1bf522d79e9c3682f8961bc8acfea6d170febd6b184a0a26d542922d31d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking taken v0.1.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]  Documenting ergo_sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "f387c1bf522d79e9c3682f8961bc8acfea6d170febd6b184a0a26d542922d31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f387c1bf522d79e9c3682f8961bc8acfea6d170febd6b184a0a26d542922d31d", kill_on_drop: false }`
[INFO] [stdout] f387c1bf522d79e9c3682f8961bc8acfea6d170febd6b184a0a26d542922d31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] d2650217ddc98d995c2b2b79dcd21d38fd15a3ad8ff10a2a5e3fb291c2541b93
[INFO] running `Command { std: "docker" "start" "-a" "d2650217ddc98d995c2b2b79dcd21d38fd15a3ad8ff10a2a5e3fb291c2541b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking taken v0.1.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]  Documenting ergo_sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "d2650217ddc98d995c2b2b79dcd21d38fd15a3ad8ff10a2a5e3fb291c2541b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2650217ddc98d995c2b2b79dcd21d38fd15a3ad8ff10a2a5e3fb291c2541b93", kill_on_drop: false }`
[INFO] [stdout] d2650217ddc98d995c2b2b79dcd21d38fd15a3ad8ff10a2a5e3fb291c2541b93