[INFO] fetching crate enclave-runner 0.4.1...
[INFO] documenting enclave-runner-0.4.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate enclave-runner 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate enclave-runner 0.4.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sgx-isa v0.3.2
[INFO] [stderr]   Downloaded fortanix-sgx-abi v0.3.3
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] [stderr]   Downloaded sgxs v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] a317b974cb643915dce7c60de7f5f4343c3d64db713016be1d48d47923f7330e
[INFO] running `Command { std: "docker" "start" "-a" "a317b974cb643915dce7c60de7f5f4343c3d64db713016be1d48d47923f7330e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a317b974cb643915dce7c60de7f5f4343c3d64db713016be1d48d47923f7330e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a317b974cb643915dce7c60de7f5f4343c3d64db713016be1d48d47923f7330e", kill_on_drop: false }`
[INFO] [stdout] a317b974cb643915dce7c60de7f5f4343c3d64db713016be1d48d47923f7330e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] a727687f3ae42d25b54e8c23001b8f96207f8576245a522de5c19e65add15f1d
[INFO] running `Command { std: "docker" "start" "-a" "a727687f3ae42d25b54e8c23001b8f96207f8576245a522de5c19e65add15f1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking fortanix-sgx-abi v0.3.3
[INFO] [stderr]     Checking sgx-isa v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking sgxs v0.7.2
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting enclave-runner v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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-4d391290ab68cfce.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-4391e673a94c45e2.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-6f978b0e5b38f5c5.so --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0ff73feb7e2c43f7.rmeta --extern fortanix_sgx_abi=/opt/rustwide/target/debug/deps/libfortanix_sgx_abi-3df73bc31df3f515.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-7fb435e7117b385b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b01e5f49cd1b74e8.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-61375f0b6f6739bb.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b111a25c016345dd.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-d93c6407fe47564b.rmeta --extern sgx_isa=/opt/rustwide/target/debug/deps/libsgx_isa-66134971573162d4.rmeta --extern sgxs=/opt/rustwide/target/debug/deps/libsgxs-dc4720bbab021cf8.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-a6d1a066c6a3f049.rmeta --cap-lints=warn --crate-version 0.4.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a727687f3ae42d25b54e8c23001b8f96207f8576245a522de5c19e65add15f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a727687f3ae42d25b54e8c23001b8f96207f8576245a522de5c19e65add15f1d", kill_on_drop: false }`
[INFO] [stdout] a727687f3ae42d25b54e8c23001b8f96207f8576245a522de5c19e65add15f1d