[INFO] fetching crate rfc2580 0.3.0...
[INFO] documenting rfc2580-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rfc2580 0.3.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate rfc2580 0.3.0 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 rfc2580 0.3.0
[INFO] finished tweaking crates.io crate rfc2580 0.3.0
[INFO] tweaked toml for crates.io crate rfc2580 0.3.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate rfc2580 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] bbba5692799bafee044173c78fa19737408c0331d808f3b09989b2aca87af626
[INFO] running `Command { std: "docker" "start" "-a" "bbba5692799bafee044173c78fa19737408c0331d808f3b09989b2aca87af626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbba5692799bafee044173c78fa19737408c0331d808f3b09989b2aca87af626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbba5692799bafee044173c78fa19737408c0331d808f3b09989b2aca87af626", kill_on_drop: false }`
[INFO] [stdout] bbba5692799bafee044173c78fa19737408c0331d808f3b09989b2aca87af626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 51acf72093df53c1dfb4334232ad23a42fb692e51764515779f490579d4e1aa9
[INFO] running `Command { std: "docker" "start" "-a" "51acf72093df53c1dfb4334232ad23a42fb692e51764515779f490579d4e1aa9", kill_on_drop: false }`
[INFO] [stderr]  Documenting rfc2580 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::raw`
[INFO] [stdout]   --> src/lib.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 | use core::{marker::PhantomData, mem, ptr::NonNull, raw::TraitObject};
[INFO] [stdout]    |                                                    ^^^ could not find `raw` in `core`
[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(raw)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rfc2580`
[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(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rfc2580 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dfc3894462739ed9 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51acf72093df53c1dfb4334232ad23a42fb692e51764515779f490579d4e1aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51acf72093df53c1dfb4334232ad23a42fb692e51764515779f490579d4e1aa9", kill_on_drop: false }`
[INFO] [stdout] 51acf72093df53c1dfb4334232ad23a42fb692e51764515779f490579d4e1aa9