[INFO] fetching crate ra_vfs 0.6.1...
[INFO] documenting ra_vfs-0.6.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ra_vfs 0.6.1 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate ra_vfs 0.6.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_vfs 0.6.1
[INFO] finished tweaking crates.io crate ra_vfs 0.6.1
[INFO] tweaked toml for crates.io crate ra_vfs 0.6.1 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flexi_logger v0.15.12
[INFO] [stderr]   Downloaded jod-thread v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be91fe23a6705cd341007c63b449fe2d76393339b5154db7067264e06287ab4f
[INFO] running `Command { std: "docker" "start" "-a" "be91fe23a6705cd341007c63b449fe2d76393339b5154db7067264e06287ab4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be91fe23a6705cd341007c63b449fe2d76393339b5154db7067264e06287ab4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be91fe23a6705cd341007c63b449fe2d76393339b5154db7067264e06287ab4f", kill_on_drop: false }`
[INFO] [stdout] be91fe23a6705cd341007c63b449fe2d76393339b5154db7067264e06287ab4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec454e044ad09e2e4cb7bed3c205c816352091ef6778a78f247e3903d8c58be
[INFO] running `Command { std: "docker" "start" "-a" "8ec454e044ad09e2e4cb7bed3c205c816352091ef6778a78f247e3903d8c58be", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking relative-path v1.7.0
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]  Documenting ra_vfs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "8ec454e044ad09e2e4cb7bed3c205c816352091ef6778a78f247e3903d8c58be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec454e044ad09e2e4cb7bed3c205c816352091ef6778a78f247e3903d8c58be", kill_on_drop: false }`
[INFO] [stdout] 8ec454e044ad09e2e4cb7bed3c205c816352091ef6778a78f247e3903d8c58be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 89c66c972cd8c7a43c4e4785ea5f5d91bfc69e408c9557903aa9cfd6db582dfc
[INFO] running `Command { std: "docker" "start" "-a" "89c66c972cd8c7a43c4e4785ea5f5d91bfc69e408c9557903aa9cfd6db582dfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking relative-path v1.7.0
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]  Documenting ra_vfs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "89c66c972cd8c7a43c4e4785ea5f5d91bfc69e408c9557903aa9cfd6db582dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c66c972cd8c7a43c4e4785ea5f5d91bfc69e408c9557903aa9cfd6db582dfc", kill_on_drop: false }`
[INFO] [stdout] 89c66c972cd8c7a43c4e4785ea5f5d91bfc69e408c9557903aa9cfd6db582dfc