[INFO] fetching crate rustls-extra 0.15.0...
[INFO] documenting rustls-extra-0.15.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate rustls-extra 0.15.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rustls-extra 0.15.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sct v0.5.0
[INFO] [stderr]   Downloaded ct-logs v0.5.1
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258c032a4747983978e49eb63ce1941519a16759ae3642bba6deea5aa2a824e8
[INFO] running `Command { std: "docker" "start" "-a" "258c032a4747983978e49eb63ce1941519a16759ae3642bba6deea5aa2a824e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258c032a4747983978e49eb63ce1941519a16759ae3642bba6deea5aa2a824e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258c032a4747983978e49eb63ce1941519a16759ae3642bba6deea5aa2a824e8", kill_on_drop: false }`
[INFO] [stdout] 258c032a4747983978e49eb63ce1941519a16759ae3642bba6deea5aa2a824e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15046745387b2e0099465581f3080cf3a9fe7a79e50c25994053229e13c9db9f
[INFO] running `Command { std: "docker" "start" "-a" "15046745387b2e0099465581f3080cf3a9fe7a79e50c25994053229e13c9db9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking likely v0.1.0
[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 stable 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=6d6ebc92ae227272 -L dependency=/opt/rustwide/target/debug/deps --extern ct_logs=/opt/rustwide/target/debug/deps/libct_logs-6e46896265142c42.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-c4694b1f37940f3c.rmeta --extern likely=/opt/rustwide/target/debug/deps/liblikely-dbee255561d9b59b.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-a82e9b453be19195.rmeta --extern webpki=/opt/rustwide/target/debug/deps/libwebpki-e24ca03224eed4f6.rmeta --cap-lints=warn --crate-version 0.15.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "15046745387b2e0099465581f3080cf3a9fe7a79e50c25994053229e13c9db9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15046745387b2e0099465581f3080cf3a9fe7a79e50c25994053229e13c9db9f", kill_on_drop: false }`
[INFO] [stdout] 15046745387b2e0099465581f3080cf3a9fe7a79e50c25994053229e13c9db9f
