[INFO] fetching crate cargo-lock 8.0.1...
[INFO] documenting cargo-lock-8.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cargo-lock 8.0.1 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate cargo-lock 8.0.1 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 cargo-lock 8.0.1
[INFO] finished tweaking crates.io crate cargo-lock 8.0.1
[INFO] tweaked toml for crates.io crate cargo-lock 8.0.1 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate cargo-lock 8.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 0e1d5a4af8b6e50a218a9c2febb84b463c154cc59b5df8c5e3c54068caeb732d
[INFO] running `Command { std: "docker" "start" "-a" "0e1d5a4af8b6e50a218a9c2febb84b463c154cc59b5df8c5e3c54068caeb732d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e1d5a4af8b6e50a218a9c2febb84b463c154cc59b5df8c5e3c54068caeb732d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1d5a4af8b6e50a218a9c2febb84b463c154cc59b5df8c5e3c54068caeb732d", kill_on_drop: false }`
[INFO] [stdout] 0e1d5a4af8b6e50a218a9c2febb84b463c154cc59b5df8c5e3c54068caeb732d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 0c883dedc9a4cafaeb335ac5cd4bd5b36f636c97a09f4b21d4513af96b1aae17
[INFO] running `Command { std: "docker" "start" "-a" "0c883dedc9a4cafaeb335ac5cd4bd5b36f636c97a09f4b21d4513af96b1aae17", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]  Documenting cargo-lock v8.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "0c883dedc9a4cafaeb335ac5cd4bd5b36f636c97a09f4b21d4513af96b1aae17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c883dedc9a4cafaeb335ac5cd4bd5b36f636c97a09f4b21d4513af96b1aae17", kill_on_drop: false }`
[INFO] [stdout] 0c883dedc9a4cafaeb335ac5cd4bd5b36f636c97a09f4b21d4513af96b1aae17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "dependency-tree" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e4de4335561b639e959e4e06968a840fd495e87abeb70e7d961f77beb019c77e
[INFO] running `Command { std: "docker" "start" "-a" "e4de4335561b639e959e4e06968a840fd495e87abeb70e7d961f77beb019c77e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 autocfg v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]  Documenting cargo-lock v8.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.93s
[INFO] running `Command { std: "docker" "inspect" "e4de4335561b639e959e4e06968a840fd495e87abeb70e7d961f77beb019c77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4de4335561b639e959e4e06968a840fd495e87abeb70e7d961f77beb019c77e", kill_on_drop: false }`
[INFO] [stdout] e4de4335561b639e959e4e06968a840fd495e87abeb70e7d961f77beb019c77e