[INFO] fetching crate sgxs-loaders 0.3.1...
[INFO] checking sgxs-loaders-0.3.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate sgxs-loaders 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sgxs-loaders 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sgxs-loaders 0.3.1
[INFO] finished tweaking crates.io crate sgxs-loaders 0.3.1
[INFO] tweaked toml for crates.io crate sgxs-loaders 0.3.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protoc v2.25.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.25.1
[INFO] [stderr]   Downloaded protobuf v2.25.1
[INFO] [stderr]   Downloaded protoc-rust v2.25.1
[INFO] [stderr]   Downloaded aesm-client v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6dafe72ce0459b66af0c202aab9d2c2151d869f7db01f2c8e699fc6d661367c
[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" "e6dafe72ce0459b66af0c202aab9d2c2151d869f7db01f2c8e699fc6d661367c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6dafe72ce0459b66af0c202aab9d2c2151d869f7db01f2c8e699fc6d661367c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dafe72ce0459b66af0c202aab9d2c2151d869f7db01f2c8e699fc6d661367c", kill_on_drop: false }`
[INFO] [stdout] e6dafe72ce0459b66af0c202aab9d2c2151d869f7db01f2c8e699fc6d661367c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--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] 8cee2eda32f9f5809ffd1ee62b721645096f794bf7b5a946b6ea44637aaab8b4
[INFO] running `Command { std: "docker" "start" "-a" "8cee2eda32f9f5809ffd1ee62b721645096f794bf7b5a946b6ea44637aaab8b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking fortanix-sgx-abi v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking sgx-isa v0.3.3
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking unix_socket2 v0.5.4
[INFO] [stderr]     Checking openssl-sys v0.9.67
[INFO] [stderr]     Checking futures-channel v0.3.17
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking openssl v0.10.36
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling protoc v2.25.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking sgxs v0.7.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking sgxs-loaders v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]    Compiling protobuf-codegen v2.25.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]    Compiling protoc-rust v2.25.1
[INFO] [stderr]     Checking enclave-runner v0.4.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enclave-runner-0.4.1/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(llvm_asm)]
[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 compile `enclave-runner` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8cee2eda32f9f5809ffd1ee62b721645096f794bf7b5a946b6ea44637aaab8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cee2eda32f9f5809ffd1ee62b721645096f794bf7b5a946b6ea44637aaab8b4", kill_on_drop: false }`
[INFO] [stdout] 8cee2eda32f9f5809ffd1ee62b721645096f794bf7b5a946b6ea44637aaab8b4
