[INFO] fetching crate rust-ad 0.8.0...
[INFO] documenting rust-ad-0.8.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rust-ad 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust-ad 0.8.0 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 rust-ad 0.8.0
[INFO] finished tweaking crates.io crate rust-ad 0.8.0
[INFO] tweaked toml for crates.io crate rust-ad 0.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rust-ad 0.8.0 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8394984c80745c682c2739c9bc67554215a1e38ba808dc0d47b38127bb1d4263
[INFO] running `Command { std: "docker" "start" "-a" "8394984c80745c682c2739c9bc67554215a1e38ba808dc0d47b38127bb1d4263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8394984c80745c682c2739c9bc67554215a1e38ba808dc0d47b38127bb1d4263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8394984c80745c682c2739c9bc67554215a1e38ba808dc0d47b38127bb1d4263", kill_on_drop: false }`
[INFO] [stdout] 8394984c80745c682c2739c9bc67554215a1e38ba808dc0d47b38127bb1d4263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ef57c5f37273d0ef3ac5872a682a962440f35e1138d1bad13854be7c7f67c3e6
[INFO] running `Command { std: "docker" "start" "-a" "ef57c5f37273d0ef3ac5872a682a962440f35e1138d1bad13854be7c7f67c3e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.22
[INFO] [stderr]    Compiling const_format v0.2.22
[INFO] [stderr]    Compiling rust-ad-consts v0.8.0
[INFO] [stderr]    Compiling rust-ad-core-macros v0.8.0
[INFO] [stderr]    Compiling rust-ad-core v0.8.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ad-core-0.8.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ad-core-0.8.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(adt_const_params)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ad-core-0.8.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ad-core-0.8.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-ad-core-0.8.0/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 compile `rust-ad-core` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef57c5f37273d0ef3ac5872a682a962440f35e1138d1bad13854be7c7f67c3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef57c5f37273d0ef3ac5872a682a962440f35e1138d1bad13854be7c7f67c3e6", kill_on_drop: false }`
[INFO] [stdout] ef57c5f37273d0ef3ac5872a682a962440f35e1138d1bad13854be7c7f67c3e6