[INFO] fetching crate rustls-extra 0.15.0...
[INFO] documenting rustls-extra-0.15.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rustls-extra 0.15.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rustls-extra 0.15.0 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 rustls-extra 0.15.0
[INFO] finished tweaking crates.io crate rustls-extra 0.15.0
[INFO] tweaked toml for crates.io crate rustls-extra 0.15.0 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 94b0f108a4ddfbf6b2787dc6c27eb7bf90a594bc4d50ebfa1512e0f47471814c
[INFO] running `Command { std: "docker" "start" "-a" "94b0f108a4ddfbf6b2787dc6c27eb7bf90a594bc4d50ebfa1512e0f47471814c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b0f108a4ddfbf6b2787dc6c27eb7bf90a594bc4d50ebfa1512e0f47471814c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b0f108a4ddfbf6b2787dc6c27eb7bf90a594bc4d50ebfa1512e0f47471814c", kill_on_drop: false }`
[INFO] [stdout] 94b0f108a4ddfbf6b2787dc6c27eb7bf90a594bc4d50ebfa1512e0f47471814c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 84f45d92da047b1ef751e70737508036cc88cefed634399eb772c98546dfc893
[INFO] running `Command { std: "docker" "start" "-a" "84f45d92da047b1ef751e70737508036cc88cefed634399eb772c98546dfc893", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking likely v0.1.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]  Documenting rustls-extra v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rustls-extra`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rustls_extra src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=df6fa9303a0e5770 -L dependency=/opt/rustwide/target/debug/deps --extern ct_logs=/opt/rustwide/target/debug/deps/libct_logs-59c547223d236a73.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-421d56075a1d26a2.rmeta --extern likely=/opt/rustwide/target/debug/deps/liblikely-082854404a68e6bd.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-f02d082126dff2ec.rmeta --extern webpki=/opt/rustwide/target/debug/deps/libwebpki-dc1b2be5ab4bc0ad.rmeta --cap-lints=warn --crate-version 0.15.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "84f45d92da047b1ef751e70737508036cc88cefed634399eb772c98546dfc893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f45d92da047b1ef751e70737508036cc88cefed634399eb772c98546dfc893", kill_on_drop: false }`
[INFO] [stdout] 84f45d92da047b1ef751e70737508036cc88cefed634399eb772c98546dfc893