[INFO] fetching crate sgx_core_futures 1.1.1...
[INFO] documenting sgx_core_futures-1.1.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate sgx_core_futures 1.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sgx_core_futures 1.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sgx_core_futures 1.1.1
[INFO] finished tweaking crates.io crate sgx_core_futures 1.1.1
[INFO] tweaked toml for crates.io crate sgx_core_futures 1.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c0a365ca9090a80f1ef8c2e2d3e2c6393e17c06c368f70d49a1764b84dadd5f
[INFO] running `Command { std: "docker" "start" "-a" "9c0a365ca9090a80f1ef8c2e2d3e2c6393e17c06c368f70d49a1764b84dadd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c0a365ca9090a80f1ef8c2e2d3e2c6393e17c06c368f70d49a1764b84dadd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0a365ca9090a80f1ef8c2e2d3e2c6393e17c06c368f70d49a1764b84dadd5f", kill_on_drop: false }`
[INFO] [stdout] 9c0a365ca9090a80f1ef8c2e2d3e2c6393e17c06c368f70d49a1764b84dadd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad435455b35cab52dd3969e325a5ae9eb03b44d4c14cfe91af1dac20d00005f6
[INFO] running `Command { std: "docker" "start" "-a" "ad435455b35cab52dd3969e325a5ae9eb03b44d4c14cfe91af1dac20d00005f6", kill_on_drop: false }`
[INFO] [stderr]  Documenting sgx_core_futures v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:96:43
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![feature(thread_local, generator_trait, optin_builtin_traits)]
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![feature(thread_local, generator_trait, optin_builtin_traits)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/future.rs:45:32
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<T: Generator<Yield = ()>> !Unpin for GenFuture<T> {}
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sgx_core_futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type rlib --crate-name sgx_core_futures src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 1.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ad435455b35cab52dd3969e325a5ae9eb03b44d4c14cfe91af1dac20d00005f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad435455b35cab52dd3969e325a5ae9eb03b44d4c14cfe91af1dac20d00005f6", kill_on_drop: false }`
[INFO] [stdout] ad435455b35cab52dd3969e325a5ae9eb03b44d4c14cfe91af1dac20d00005f6
