[INFO] fetching crate enclave-runner 0.4.1...
[INFO] documenting enclave-runner-0.4.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate enclave-runner 0.4.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate enclave-runner 0.4.1 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 enclave-runner 0.4.1
[INFO] finished tweaking crates.io crate enclave-runner 0.4.1
[INFO] tweaked toml for crates.io crate enclave-runner 0.4.1 written to /workspace/builds/worker-23/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] [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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2ce8d945a073c51b22ed56a0b63ca3a237063e8b908d77ee248e335a3e775690
[INFO] running `Command { std: "docker" "start" "-a" "2ce8d945a073c51b22ed56a0b63ca3a237063e8b908d77ee248e335a3e775690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce8d945a073c51b22ed56a0b63ca3a237063e8b908d77ee248e335a3e775690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce8d945a073c51b22ed56a0b63ca3a237063e8b908d77ee248e335a3e775690", kill_on_drop: false }`
[INFO] [stdout] 2ce8d945a073c51b22ed56a0b63ca3a237063e8b908d77ee248e335a3e775690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] a6181f96e5c0b8a58d34e7e1741e5c184efd2984fc58240586e7de3baee9f231
[INFO] running `Command { std: "docker" "start" "-a" "a6181f96e5c0b8a58d34e7e1741e5c184efd2984fc58240586e7de3baee9f231", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking fortanix-sgx-abi v0.3.3
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking sgx-isa v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking sgxs v0.7.2
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]  Documenting enclave-runner v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `enclave-runner`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name enclave_runner src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="crypto-openssl"' --cfg 'feature="default"' --cfg 'feature="openssl"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-812e72e73d3c1867.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-e7cc883d5522d174.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-899b77d4af2ceb7b.so --extern fnv=/opt/rustwide/target/debug/deps/libfnv-335ca1a37265ba44.rmeta --extern fortanix_sgx_abi=/opt/rustwide/target/debug/deps/libfortanix_sgx_abi-17211c429a55fa03.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-4b28c9527456ab63.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d38c567ce4ccc50e.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-ed90be4eb07ba526.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-3447830d0f7ec46a.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-9387a2ab77be7fca.rmeta --extern sgx_isa=/opt/rustwide/target/debug/deps/libsgx_isa-fe01d5b8e73cb5fa.rmeta --extern sgxs=/opt/rustwide/target/debug/deps/libsgxs-366f8a787cb38d07.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ac9ce5d7f78dd01f.rmeta --cap-lints=warn --crate-version 0.4.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a6181f96e5c0b8a58d34e7e1741e5c184efd2984fc58240586e7de3baee9f231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6181f96e5c0b8a58d34e7e1741e5c184efd2984fc58240586e7de3baee9f231", kill_on_drop: false }`
[INFO] [stdout] a6181f96e5c0b8a58d34e7e1741e5c184efd2984fc58240586e7de3baee9f231
