[INFO] fetching crate rkyv_codec 0.2.0...
[INFO] documenting rkyv_codec-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rkyv_codec 0.2.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate rkyv_codec 0.2.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rkyv_codec 0.2.0
[INFO] finished tweaking crates.io crate rkyv_codec 0.2.0
[INFO] tweaked toml for crates.io crate rkyv_codec 0.2.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate rkyv_codec 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc593d5954ba0d9df7d887169547742188defbf57cc8056635b50b9f98d2dfe5
[INFO] running `Command { std: "docker" "start" "-a" "cc593d5954ba0d9df7d887169547742188defbf57cc8056635b50b9f98d2dfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc593d5954ba0d9df7d887169547742188defbf57cc8056635b50b9f98d2dfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc593d5954ba0d9df7d887169547742188defbf57cc8056635b50b9f98d2dfe5", kill_on_drop: false }`
[INFO] [stdout] cc593d5954ba0d9df7d887169547742188defbf57cc8056635b50b9f98d2dfe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b59138c00aca838294099f43cf87ce631d686a04946939f5f9bd5bff9917923
[INFO] running `Command { std: "docker" "start" "-a" "8b59138c00aca838294099f43cf87ce631d686a04946939f5f9bd5bff9917923", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bytecheck v0.6.7
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling rkyv v0.7.33
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking hashbrown v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling rkyv_derive v0.7.33
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking pin-project v0.4.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]  Documenting rkyv_codec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rkyv_codec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name rkyv_codec src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="futures_codec"' --cfg 'feature="futures_stream"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fed370663a870ceb -L dependency=/opt/rustwide/target/debug/deps --extern bytecheck=/opt/rustwide/target/debug/deps/libbytecheck-c0b63384d938d7fc.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-db91dbb0a77bede6.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-cb335f03635f0f95.rmeta --extern futures_codec=/opt/rustwide/target/debug/deps/libfutures_codec-f78ab20343141a60.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-c55a8e7f797ada2c.rmeta --extern rkyv=/opt/rustwide/target/debug/deps/librkyv-91c799b33fb96de6.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-511dff6562bac78d.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-aeeac7404af0f092.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8b59138c00aca838294099f43cf87ce631d686a04946939f5f9bd5bff9917923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b59138c00aca838294099f43cf87ce631d686a04946939f5f9bd5bff9917923", kill_on_drop: false }`
[INFO] [stdout] 8b59138c00aca838294099f43cf87ce631d686a04946939f5f9bd5bff9917923