[INFO] fetching crate skytable 0.7.1...
[INFO] documenting skytable-0.7.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate skytable 0.7.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate skytable 0.7.1 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 skytable 0.7.1
[INFO] finished tweaking crates.io crate skytable 0.7.1
[INFO] tweaked toml for crates.io crate skytable 0.7.1 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-openssl v0.6.3
[INFO] [stderr]   Downloaded bb8 v0.8.0
[INFO] [stderr]   Downloaded openssl-src v111.20.0+1.1.1o
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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 }`
[INFO] [stdout] c26a30afcfab32a219c40fefb86cc0193bfdd06f5ac53d09eaafd8e00125d93e
[INFO] running `Command { std: "docker" "start" "-a" "c26a30afcfab32a219c40fefb86cc0193bfdd06f5ac53d09eaafd8e00125d93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c26a30afcfab32a219c40fefb86cc0193bfdd06f5ac53d09eaafd8e00125d93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26a30afcfab32a219c40fefb86cc0193bfdd06f5ac53d09eaafd8e00125d93e", kill_on_drop: false }`
[INFO] [stdout] c26a30afcfab32a219c40fefb86cc0193bfdd06f5ac53d09eaafd8e00125d93e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8aef5d3a297feda3d2b63d1b12bea4b82262fb7c056f62742c623c164d6e009b
[INFO] running `Command { std: "docker" "start" "-a" "8aef5d3a297feda3d2b63d1b12bea4b82262fb7c056f62742c623c164d6e009b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.6
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]  Documenting skytable v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `get_tls`
[INFO] [stdout]   --> src/pool.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | //! - [`get_tls()`]: Returns a sync TLS pool
[INFO] [stdout]    |         ^^^^^^^^^ no item named `get_tls` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `get_async`
[INFO] [stdout]   --> src/pool.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | //! - [`get_async()`]: Returns an async TCP pool
[INFO] [stdout]    |         ^^^^^^^^^^^ no item named `get_async` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `get_tls_async`
[INFO] [stdout]   --> src/pool.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | //! - [`get_tls_async()`]: Returns an async TLS pool
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ no item named `get_tls_async` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Self::parse_into_u64`
[INFO] [stdout]    --> src/deserializer.rs:108:86
[INFO] [stdout]     |
[INFO] [stdout] 108 |     /// This can happen not just for elements but can also happen for their sizes ([`Self::parse_into_u64`])
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^^^^^^^^^^ the enum `ParseError` has no variant or associated item named `parse_into_u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `dbnet`
[INFO] [stdout]    --> src/deserializer.rs:117:98
[INFO] [stdout]     |
[INFO] [stdout] 117 |     /// The **parser will never return this**, but instead it is provided for convenience with [`dbnet`]
[INFO] [stdout]     |                                                                                                  ^^^^^ no item named `dbnet` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Query`
[INFO] [stdout]    --> src/deserializer.rs:567:40
[INFO] [stdout]     |
[INFO] [stdout] 567 |     /// Parse a query and return the [`Query`] and an `usize` indicating the number of bytes that
[INFO] [stdout]     |                                        ^^^^^ no item named `Query` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TlsConnection`
[INFO] [stdout]   --> src/sync.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | //! - The [`TlsConnection`]: a connection to the database over Skyhash/TLS
[INFO] [stdout]    |             ^^^^^^^^^^^^^ no item named `TlsConnection` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `IoResult`
[INFO] [stdout]    --> src/sync.rs:48:109
[INFO] [stdout]     |
[INFO] [stdout] 48  |             /// or invalid and return an appropriate variant of [`Error`](crate::error::Error) wrapped in [`IoResult`]
[INFO] [stdout]     |                                                                                                             ^^^^^^^^ no item named `IoResult` in scope
[INFO] [stdout] ...
[INFO] [stdout] 151 |     impl_sync_methods!(Connection);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: this warning originates in the macro `impl_sync_methods` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.77s
[INFO] running `Command { std: "docker" "inspect" "8aef5d3a297feda3d2b63d1b12bea4b82262fb7c056f62742c623c164d6e009b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aef5d3a297feda3d2b63d1b12bea4b82262fb7c056f62742c623c164d6e009b", kill_on_drop: false }`
[INFO] [stdout] 8aef5d3a297feda3d2b63d1b12bea4b82262fb7c056f62742c623c164d6e009b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ec24b74c29a7a8b2948a8223fe594d3fea0682e3643f5eb2641cffd51d33045c
[INFO] running `Command { std: "docker" "start" "-a" "ec24b74c29a7a8b2948a8223fe594d3fea0682e3643f5eb2641cffd51d33045c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]    Compiling openssl-src v111.20.0+1.1.1o
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.6
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.95/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=97eb59932b3777ee -C extra-filename=-97eb59932b3777ee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9a37b41b1fcfff72.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-dc3adb69f55702af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-53e66da7b391b858.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ec24b74c29a7a8b2948a8223fe594d3fea0682e3643f5eb2641cffd51d33045c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec24b74c29a7a8b2948a8223fe594d3fea0682e3643f5eb2641cffd51d33045c", kill_on_drop: false }`
[INFO] [stdout] ec24b74c29a7a8b2948a8223fe594d3fea0682e3643f5eb2641cffd51d33045c