[INFO] fetching crate puroro-plugin 0.4.1...
[INFO] documenting puroro-plugin-0.4.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate puroro-plugin 0.4.1 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate puroro-plugin 0.4.1 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 puroro-plugin 0.4.1
[INFO] finished tweaking crates.io crate puroro-plugin 0.4.1
[INFO] tweaked toml for crates.io crate puroro-plugin 0.4.1 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate puroro-plugin 0.4.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] c294b76c6d7a383cbec851d7a621c284fafdbda0085bd6a39770d4eb46a4994c
[INFO] running `Command { std: "docker" "start" "-a" "c294b76c6d7a383cbec851d7a621c284fafdbda0085bd6a39770d4eb46a4994c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c294b76c6d7a383cbec851d7a621c284fafdbda0085bd6a39770d4eb46a4994c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c294b76c6d7a383cbec851d7a621c284fafdbda0085bd6a39770d4eb46a4994c", kill_on_drop: false }`
[INFO] [stdout] c294b76c6d7a383cbec851d7a621c284fafdbda0085bd6a39770d4eb46a4994c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] bdec13e494306f9a35a4ae3828e102cc646ee6c69ede964d4d2bf3ae5ed28f23
[INFO] running `Command { std: "docker" "start" "-a" "bdec13e494306f9a35a4ae3828e102cc646ee6c69ede964d4d2bf3ae5ed28f23", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling askama_escape v0.10.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking bumpalo v3.9.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking quote v1.0.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking puroro v0.4.1
[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/puroro-0.4.1/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(backtrace)]
[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/puroro-0.4.1/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/puroro-0.4.1/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(type_alias_impl_trait)]
[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/puroro-0.4.1/src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(backtrace)]
[INFO] [stdout]    |            ^^^^^^^^^
[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 compile `puroro` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bdec13e494306f9a35a4ae3828e102cc646ee6c69ede964d4d2bf3ae5ed28f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdec13e494306f9a35a4ae3828e102cc646ee6c69ede964d4d2bf3ae5ed28f23", kill_on_drop: false }`
[INFO] [stdout] bdec13e494306f9a35a4ae3828e102cc646ee6c69ede964d4d2bf3ae5ed28f23