[INFO] cloning repository https://github.com/eugenehp/mpi-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eugenehp/mpi-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fmpi-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fmpi-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99be8ac11c04f5419452428a486ae0eee1f5552e
[INFO] documenting eugenehp/mpi-rs against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fmpi-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eugenehp/mpi-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/eugenehp/mpi-rs
[INFO] tweaked toml for git repo https://github.com/eugenehp/mpi-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eugenehp/mpi-rs on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eugenehp/mpi-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65
[INFO] running `Command { std: "docker" "start" "a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking mpi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mpi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/transport.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const ANY_SOURCE: i32 = -1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `A convenience re-export of the wildcard constants.`
[INFO] [stdout]    = help: ends near `Wildcard matching any source rank (`MPI_ANY_SOURCE`).`
[INFO] [stdout]    = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/transport.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const ANY_SOURCE: i32 = -1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Wildcard matching any source rank (`MPI_ANY_SOURCE`).`
[INFO] [stdout]    = help: ends near `Wildcard matching any source rank (`MPI_ANY_SOURCE`).`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/transport.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const ANY_TAG: i32 = -1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `A convenience re-export of the wildcard constants.`
[INFO] [stdout]    = help: ends near `Wildcard matching any tag (`MPI_ANY_TAG`).`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/transport.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const ANY_TAG: i32 = -1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Wildcard matching any tag (`MPI_ANY_TAG`).`
[INFO] [stdout]    = help: ends near `Wildcard matching any tag (`MPI_ANY_TAG`).`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mpi-rs`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65", kill_on_drop: false }`
[INFO] [stdout] a6cc6b046f64d88f94421bb734634f00f72774b45d0e620dcb38225590afce65
