[INFO] fetching crate join_impl 0.1.1...
[INFO] documenting join_impl-0.1.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate join_impl 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate join_impl 0.1.1 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate join_impl 0.1.1
[INFO] finished tweaking crates.io crate join_impl 0.1.1
[INFO] tweaked toml for crates.io crate join_impl 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3036816a581908d8cac6e0225f5e0ca31060f853a0f50bcb0f28f03685d40547
[INFO] running `Command { std: "docker" "start" "-a" "3036816a581908d8cac6e0225f5e0ca31060f853a0f50bcb0f28f03685d40547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3036816a581908d8cac6e0225f5e0ca31060f853a0f50bcb0f28f03685d40547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3036816a581908d8cac6e0225f5e0ca31060f853a0f50bcb0f28f03685d40547", kill_on_drop: false }`
[INFO] [stdout] 3036816a581908d8cac6e0225f5e0ca31060f853a0f50bcb0f28f03685d40547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6b9cb5fe7089d4e8eb717c75e80173b9cc9723d1e6f71eb744ae3d2321205fe
[INFO] running `Command { std: "docker" "start" "-a" "e6b9cb5fe7089d4e8eb717c75e80173b9cc9723d1e6f71eb744ae3d2321205fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking proc-macro2 v1.0.18
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]  Documenting join_impl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[which will be #value.and_then(#previous_expr).#next_expr]` has an issue with the link anchor.
[INFO] [stdout]   --> src/expr_chain/expr/process_expr.rs:91:73
[INFO] [stdout]    |
[INFO] [stdout] 91 |     /// Special process expr used to define next group nested position [which will be #value.and_then(#previous_expr).#next_expr]
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ only one `#` is allowed in a link
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[which will be #value.and_then(#previous_expr).#next_expr]` has an issue with the link anchor.
[INFO] [stdout]   --> src/expr_chain/expr/process_expr.rs:91:73
[INFO] [stdout]    |
[INFO] [stdout] 91 |     /// Special process expr used to define next group nested position [which will be #value.and_then(#previous_expr).#next_expr]
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ only one `#` is allowed in a link
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[which will be #value.and_then(#previous_expr).#next_expr]` has an issue with the link anchor.
[INFO] [stdout]   --> src/expr_chain/group/command_group.rs:66:100
[INFO] [stdout]    |
[INFO] [stdout] 66 | ...n is by one level up [which will be #value.and_then(#previous_expr).#next_expr] )
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ only one `#` is allowed in a link
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "e6b9cb5fe7089d4e8eb717c75e80173b9cc9723d1e6f71eb744ae3d2321205fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b9cb5fe7089d4e8eb717c75e80173b9cc9723d1e6f71eb744ae3d2321205fe", kill_on_drop: false }`
[INFO] [stdout] e6b9cb5fe7089d4e8eb717c75e80173b9cc9723d1e6f71eb744ae3d2321205fe