[INFO] fetching crate par-stream 0.3.1...
[INFO] documenting par-stream-0.3.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate par-stream 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate par-stream 0.3.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate par-stream 0.3.1
[INFO] finished tweaking crates.io crate par-stream 0.3.1
[INFO] tweaked toml for crates.io crate par-stream 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate par-stream 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] b9d0cdcc2281bf2762a04cabb2a11a21c24e4e12e3d3d8266d4a7afd0fe4538b
[INFO] running `Command { std: "docker" "start" "-a" "b9d0cdcc2281bf2762a04cabb2a11a21c24e4e12e3d3d8266d4a7afd0fe4538b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d0cdcc2281bf2762a04cabb2a11a21c24e4e12e3d3d8266d4a7afd0fe4538b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d0cdcc2281bf2762a04cabb2a11a21c24e4e12e3d3d8266d4a7afd0fe4538b", kill_on_drop: false }`
[INFO] [stdout] b9d0cdcc2281bf2762a04cabb2a11a21c24e4e12e3d3d8266d4a7afd0fe4538b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfb109691256197d19b22eec58b4fb9e1bab3e5bb35356a0fac5ec9a81c0743a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bfb109691256197d19b22eec58b4fb9e1bab3e5bb35356a0fac5ec9a81c0743a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]  Documenting par-stream v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: exact one of 'runtime_async-std' and 'runtime_tokio' cargo feature must be enabled
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / compile_error!(
[INFO] [stdout] 25 | |     "exact one of 'runtime_async-std' and 'runtime_tokio' cargo feature must be enabled"
[INFO] [stdout] 26 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::stream::ParMap`
[INFO] [stdout]    --> src/stream.rs:641:9
[INFO] [stdout]     |
[INFO] [stdout] 641 | pub use impls::stream::ParMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ no `ParMap` in `impls::stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::stream::ParMapUnordered`
[INFO] [stdout]    --> src/stream.rs:645:9
[INFO] [stdout]     |
[INFO] [stdout] 645 | pub use impls::stream::ParMapUnordered;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ParMapUnordered` in `impls::stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::stream::ParReduce`
[INFO] [stdout]    --> src/stream.rs:649:9
[INFO] [stdout]     |
[INFO] [stdout] 649 | pub use impls::stream::ParReduce;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ no `ParReduce` in `impls::stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::stream::ParRouting`
[INFO] [stdout]    --> src/stream.rs:653:9
[INFO] [stdout]     |
[INFO] [stdout] 653 | pub use impls::stream::ParRouting;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ no `ParRouting` in `impls::stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::stream::ParRoutingUnordered`
[INFO] [stdout]    --> src/stream.rs:657:9
[INFO] [stdout]     |
[INFO] [stdout] 657 | pub use impls::stream::ParRoutingUnordered;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ParRoutingUnordered` in `impls::stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::stream::ParGather`
[INFO] [stdout]    --> src/stream.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 | pub use impls::stream::ParGather;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ no `ParGather` in `impls::stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::stream::ParForEach`
[INFO] [stdout]    --> src/stream.rs:673:9
[INFO] [stdout]     |
[INFO] [stdout] 673 | pub use impls::stream::ParForEach;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ no `ParForEach` in `impls::stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::try_stream::TryParMap`
[INFO] [stdout]    --> src/try_stream.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub use impls::try_stream::TryParMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TryParMap` in `impls::try_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::try_stream::TryParMapUnordered`
[INFO] [stdout]    --> src/try_stream.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub use impls::try_stream::TryParMapUnordered;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TryParMapUnordered` in `impls::try_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `impls::try_stream::TryParForEach`
[INFO] [stdout]    --> src/try_stream.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub use impls::try_stream::TryParForEach;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TryParForEach` in `impls::try_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `async_std`
[INFO] [stdout]    --> src/stream.rs:568:9
[INFO] [stdout]     |
[INFO] [stdout] 568 |         async_std::channel::Receiver<Self::Item>,
[INFO] [stdout]     |         ^^^^^^^^^ use of undeclared crate or module `async_std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `par-stream`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name par_stream src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern derivative=/opt/rustwide/target/debug/deps/libderivative-98d835b6f8e4320f.so --extern futures=/opt/rustwide/target/debug/deps/libfutures-7bc2d9e6c0526247.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-a5c2a58febee0c9c.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-d9d153bfba0cf152.rmeta --cap-lints=warn --crate-version 0.3.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bfb109691256197d19b22eec58b4fb9e1bab3e5bb35356a0fac5ec9a81c0743a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb109691256197d19b22eec58b4fb9e1bab3e5bb35356a0fac5ec9a81c0743a", kill_on_drop: false }`
[INFO] [stdout] bfb109691256197d19b22eec58b4fb9e1bab3e5bb35356a0fac5ec9a81c0743a
