[INFO] fetching crate objrs_macros 0.0.2...
[INFO] documenting objrs_macros-0.0.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate objrs_macros 0.0.2 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate objrs_macros 0.0.2 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 objrs_macros 0.0.2
[INFO] finished tweaking crates.io crate objrs_macros 0.0.2
[INFO] tweaked toml for crates.io crate objrs_macros 0.0.2 written to /workspace/builds/worker-33/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 3481c6417a6fba72db6798eeaa0bbb5db4c9992f51f292c53fa18b7276b5d390
[INFO] running `Command { std: "docker" "start" "-a" "3481c6417a6fba72db6798eeaa0bbb5db4c9992f51f292c53fa18b7276b5d390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3481c6417a6fba72db6798eeaa0bbb5db4c9992f51f292c53fa18b7276b5d390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3481c6417a6fba72db6798eeaa0bbb5db4c9992f51f292c53fa18b7276b5d390", kill_on_drop: false }`
[INFO] [stdout] 3481c6417a6fba72db6798eeaa0bbb5db4c9992f51f292c53fa18b7276b5d390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] af997714207c611b782dbdb8c65802b7d540fce7ab614a20b82768a0b8f418da
[INFO] running `Command { std: "docker" "start" "-a" "af997714207c611b782dbdb8c65802b7d540fce7ab614a20b82768a0b8f418da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]  Documenting objrs_macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(proc_macro_diagnostic, proc_macro_span, proc_macro_def_site)]
[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:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(proc_macro_diagnostic, proc_macro_span, proc_macro_def_site)]
[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:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(proc_macro_diagnostic, proc_macro_span, proc_macro_def_site)]
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `objrs_macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type proc-macro --crate-name objrs_macros src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6626cf340fc9d166 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f4e3ae3972dac938.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5219a2dbe38fd68d.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-9a743346cd23ae47.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "af997714207c611b782dbdb8c65802b7d540fce7ab614a20b82768a0b8f418da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af997714207c611b782dbdb8c65802b7d540fce7ab614a20b82768a0b8f418da", kill_on_drop: false }`
[INFO] [stdout] af997714207c611b782dbdb8c65802b7d540fce7ab614a20b82768a0b8f418da