[INFO] crate aesm-client 0.2.0 is already in cache
[INFO] testing aesm-client-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate aesm-client 0.2.0 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate aesm-client 0.2.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate aesm-client 0.2.0
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate aesm-client 0.2.0
[INFO] tweaked toml for crates.io crate aesm-client 0.2.0 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] eef807800e364eda92d6a2dcdc40e1f8791197d79fbf3253f2b3fdc01a2de3f3
[INFO] running `"docker" "start" "-a" "eef807800e364eda92d6a2dcdc40e1f8791197d79fbf3253f2b3fdc01a2de3f3"`
[INFO] [stderr]    Compiling unix_socket2 v0.5.4
[INFO] [stderr]    Compiling protoc v1.7.5
[INFO] [stderr]    Compiling protoc-rust v1.7.5
[INFO] [stderr]    Compiling aesm-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `"docker" "inspect" "eef807800e364eda92d6a2dcdc40e1f8791197d79fbf3253f2b3fdc01a2de3f3"`
[INFO] running `"docker" "rm" "-f" "eef807800e364eda92d6a2dcdc40e1f8791197d79fbf3253f2b3fdc01a2de3f3"`
[INFO] [stdout] eef807800e364eda92d6a2dcdc40e1f8791197d79fbf3253f2b3fdc01a2de3f3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5027d49897d4ea2480a99ff6d6447f41675cc432023c30879207166587680f6
[INFO] running `"docker" "start" "-a" "d5027d49897d4ea2480a99ff6d6447f41675cc432023c30879207166587680f6"`
[INFO] [stderr]    Compiling enclave-runner v0.2.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/enclave-runner-0.2.0/src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `enclave-runner`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d5027d49897d4ea2480a99ff6d6447f41675cc432023c30879207166587680f6"`
[INFO] running `"docker" "rm" "-f" "d5027d49897d4ea2480a99ff6d6447f41675cc432023c30879207166587680f6"`
[INFO] [stdout] d5027d49897d4ea2480a99ff6d6447f41675cc432023c30879207166587680f6