[INFO] fetching crate osc_address_derive 0.2.2...
[INFO] documenting osc_address_derive-0.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate osc_address_derive 0.2.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate osc_address_derive 0.2.2 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 osc_address_derive 0.2.2
[INFO] finished tweaking crates.io crate osc_address_derive 0.2.2
[INFO] tweaked toml for crates.io crate osc_address_derive 0.2.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 1ee1e386f4b729e9a349b9b923d979bd65368e667b5e95a0a7b7a56c6c655621
[INFO] running `Command { std: "docker" "start" "-a" "1ee1e386f4b729e9a349b9b923d979bd65368e667b5e95a0a7b7a56c6c655621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ee1e386f4b729e9a349b9b923d979bd65368e667b5e95a0a7b7a56c6c655621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee1e386f4b729e9a349b9b923d979bd65368e667b5e95a0a7b7a56c6c655621", kill_on_drop: false }`
[INFO] [stdout] 1ee1e386f4b729e9a349b9b923d979bd65368e667b5e95a0a7b7a56c6c655621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 1b57e2dd293b84295320b2944fda14dd4d9fc3dd673dbc16f0ffcffc5f5947d1
[INFO] running `Command { std: "docker" "start" "-a" "1b57e2dd293b84295320b2944fda14dd4d9fc3dd673dbc16f0ffcffc5f5947d1", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]  Documenting osc_address_derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | #![feature(conservative_impl_trait)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `osc_address_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type proc-macro --crate-name osc_address_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f5dea7f78d76b51a -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-31d12ee827a928ff.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-dfac26ff7d7e6ffc.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1b57e2dd293b84295320b2944fda14dd4d9fc3dd673dbc16f0ffcffc5f5947d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b57e2dd293b84295320b2944fda14dd4d9fc3dd673dbc16f0ffcffc5f5947d1", kill_on_drop: false }`
[INFO] [stdout] 1b57e2dd293b84295320b2944fda14dd4d9fc3dd673dbc16f0ffcffc5f5947d1