[INFO] fetching crate sgx_alloc 1.1.1...
[INFO] documenting sgx_alloc-1.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate sgx_alloc 1.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sgx_alloc 1.1.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sgx_alloc 1.1.1
[INFO] finished tweaking crates.io crate sgx_alloc 1.1.1
[INFO] tweaked toml for crates.io crate sgx_alloc 1.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4bd8608c58ebb87e1badb6bc7f4c746705f708afc79bd4e59a316fdb742f9170
[INFO] running `Command { std: "docker" "start" "-a" "4bd8608c58ebb87e1badb6bc7f4c746705f708afc79bd4e59a316fdb742f9170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bd8608c58ebb87e1badb6bc7f4c746705f708afc79bd4e59a316fdb742f9170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd8608c58ebb87e1badb6bc7f4c746705f708afc79bd4e59a316fdb742f9170", kill_on_drop: false }`
[INFO] [stdout] 4bd8608c58ebb87e1badb6bc7f4c746705f708afc79bd4e59a316fdb742f9170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1712a85d9a847f64b9442bd4576c9fc1c99a0349ba43b74f01278b57add370c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1712a85d9a847f64b9442bd4576c9fc1c99a0349ba43b74f01278b57add370c9", kill_on_drop: false }`
[INFO] [stderr]  Documenting sgx_alloc v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `core::alloc::AllocRef`, `core::alloc::AllocErr`
[INFO] [stdout]   --> src/system.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | use core::alloc::{GlobalAlloc, AllocRef, AllocErr, Layout};
[INFO] [stdout]    |                                ^^^^^^^^  ^^^^^^^^
[INFO] [stdout]    |                                |         |
[INFO] [stdout]    |                                |         no `AllocErr` in `alloc`
[INFO] [stdout]    |                                |         help: a similar name exists in the module: `AllocError`
[INFO] [stdout]    |                                no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(alloc_layout_extra)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(ptr_internals)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(dropck_eyepatch)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(allocator_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not document `sgx_alloc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type rlib --crate-name sgx_alloc src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=588435fbb946d62d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 1.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1712a85d9a847f64b9442bd4576c9fc1c99a0349ba43b74f01278b57add370c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1712a85d9a847f64b9442bd4576c9fc1c99a0349ba43b74f01278b57add370c9", kill_on_drop: false }`
[INFO] [stdout] 1712a85d9a847f64b9442bd4576c9fc1c99a0349ba43b74f01278b57add370c9