[INFO] fetching crate stream-flatten-iters 0.2.0...
[INFO] documenting stream-flatten-iters-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate stream-flatten-iters 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stream-flatten-iters 0.2.0 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 stream-flatten-iters 0.2.0
[INFO] finished tweaking crates.io crate stream-flatten-iters 0.2.0
[INFO] tweaked toml for crates.io crate stream-flatten-iters 0.2.0 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[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-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] fdc7a3a3d75eb793fe01601a53187ca7fbe249076cd7574407167d64d4757568
[INFO] running `Command { std: "docker" "start" "-a" "fdc7a3a3d75eb793fe01601a53187ca7fbe249076cd7574407167d64d4757568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc7a3a3d75eb793fe01601a53187ca7fbe249076cd7574407167d64d4757568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc7a3a3d75eb793fe01601a53187ca7fbe249076cd7574407167d64d4757568", kill_on_drop: false }`
[INFO] [stdout] fdc7a3a3d75eb793fe01601a53187ca7fbe249076cd7574407167d64d4757568
[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] 7b6522d1feda9c7ae0c98c8e676b229db6bc9e1a8b29febb69b955562c525664
[INFO] running `Command { std: "docker" "start" "-a" "7b6522d1feda9c7ae0c98c8e676b229db6bc9e1a8b29febb69b955562c525664", 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 pin-project-internal v0.4.29
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking pin-project v0.4.29
[INFO] [stderr]  Documenting stream-flatten-iters v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `super::TryStreamExt::try_flatten`
[INFO] [stdout]   --> src/try_flatten_iters.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | /// Stream for the [`try_flatten`](super::TryStreamExt::try_flatten) method.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = note: the link appears in this line:
[INFO] [stdout]            
[INFO] [stdout]            Stream for the [`try_flatten`](super::TryStreamExt::try_flatten) method.
[INFO] [stdout]                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: the trait `TryStreamExt` has no associated item named `try_flatten`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "7b6522d1feda9c7ae0c98c8e676b229db6bc9e1a8b29febb69b955562c525664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6522d1feda9c7ae0c98c8e676b229db6bc9e1a8b29febb69b955562c525664", kill_on_drop: false }`
[INFO] [stdout] 7b6522d1feda9c7ae0c98c8e676b229db6bc9e1a8b29febb69b955562c525664
[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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 019c315d784e8e277921925fd6cf390b0c2ada85a93a7241cafa22d7f270e5f8
[INFO] running `Command { std: "docker" "start" "-a" "019c315d784e8e277921925fd6cf390b0c2ada85a93a7241cafa22d7f270e5f8", 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 pin-project-internal v0.4.29
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking pin-project v0.4.29
[INFO] [stderr]  Documenting stream-flatten-iters v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "019c315d784e8e277921925fd6cf390b0c2ada85a93a7241cafa22d7f270e5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019c315d784e8e277921925fd6cf390b0c2ada85a93a7241cafa22d7f270e5f8", kill_on_drop: false }`
[INFO] [stdout] 019c315d784e8e277921925fd6cf390b0c2ada85a93a7241cafa22d7f270e5f8