[INFO] fetching crate tokio-etcd-lock 0.0.1-alpha.8...
[INFO] documenting tokio-etcd-lock-0.0.1-alpha.8 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tokio-etcd-lock 0.0.1-alpha.8 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate tokio-etcd-lock 0.0.1-alpha.8 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 tokio-etcd-lock 0.0.1-alpha.8
[INFO] finished tweaking crates.io crate tokio-etcd-lock 0.0.1-alpha.8
[INFO] tweaked toml for crates.io crate tokio-etcd-lock 0.0.1-alpha.8 written to /workspace/builds/worker-16/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]  Downloading crates ...
[INFO] [stderr]   Downloaded etcd-client v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "6a27558cfc6f6bc8fe4208dca5cf26584d782399f235a40b9d02534bc998a333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a27558cfc6f6bc8fe4208dca5cf26584d782399f235a40b9d02534bc998a333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a27558cfc6f6bc8fe4208dca5cf26584d782399f235a40b9d02534bc998a333", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d5983c5ef06084aefaf6716007eec7837783b916e79fd5c6ef6e2c453106e03d
[INFO] running `Command { std: "docker" "start" "-a" "d5983c5ef06084aefaf6716007eec7837783b916e79fd5c6ef6e2c453106e03d", kill_on_drop: false }`
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[INFO] [stderr]     Checking async-stream v0.3.3
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[INFO] [stderr]     Checking pin-project v1.0.10
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[INFO] [stderr]  Documenting tokio-etcd-lock v0.0.1-alpha.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.23s
[INFO] running `Command { std: "docker" "inspect" "d5983c5ef06084aefaf6716007eec7837783b916e79fd5c6ef6e2c453106e03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5983c5ef06084aefaf6716007eec7837783b916e79fd5c6ef6e2c453106e03d", kill_on_drop: false }`
[INFO] [stdout] d5983c5ef06084aefaf6716007eec7837783b916e79fd5c6ef6e2c453106e03d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 9c96b08a183f87d6e71cb0a8f7ec0047366d97017feb60cfbac686b8e7721cb9
[INFO] running `Command { std: "docker" "start" "-a" "9c96b08a183f87d6e71cb0a8f7ec0047366d97017feb60cfbac686b8e7721cb9", 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 libc v0.2.126
[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 pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking pin-utils v0.1.0
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[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking futures-io v0.3.21
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[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking tower-service v0.3.1
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[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.26
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[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling serde v1.0.137
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[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prettyplease v0.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]     Checking axum-core v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]     Checking tower-http v0.3.3
[INFO] [stderr]    Compiling etcd-client v0.9.2
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking axum v0.5.6
[INFO] [stderr]     Checking tonic v0.7.2
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-0.7.2/src/codec/encode.rs:72:5
[INFO] [stdout]     |
[INFO] [stdout] 72  | /     async_stream::stream! {
[INFO] [stdout] 73  | |         let mut buf = BytesMut::with_capacity(BUFFER_SIZE);
[INFO] [stdout] 74  | |
[INFO] [stdout] 75  | |         #[cfg(feature = "compression")]
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |         }
[INFO] [stdout] 137 | |     }
[INFO] [stdout]     | |_____^ expected expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::async_stream_impl::stream_inner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-0.7.2/src/transport/server/incoming.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     async_stream::try_stream! {
[INFO] [stdout] 27 | |         futures_util::pin_mut!(incoming);
[INFO] [stdout] 28 | |
[INFO] [stdout] 29 | |         while let Some(stream) = incoming.try_next().await? {
[INFO] [stdout] 30 | |             yield ServerIo::new_io(stream);
[INFO] [stdout] 31 | |         }
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^ expected expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::async_stream_impl::try_stream_inner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tonic` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "9c96b08a183f87d6e71cb0a8f7ec0047366d97017feb60cfbac686b8e7721cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c96b08a183f87d6e71cb0a8f7ec0047366d97017feb60cfbac686b8e7721cb9", kill_on_drop: false }`
[INFO] [stdout] 9c96b08a183f87d6e71cb0a8f7ec0047366d97017feb60cfbac686b8e7721cb9