[INFO] fetching crate sgx_crypto_helper 1.1.0...
[INFO] checking sgx_crypto_helper-1.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate sgx_crypto_helper 1.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sgx_crypto_helper 1.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sgx_crypto_helper 1.1.0
[INFO] finished tweaking crates.io crate sgx_crypto_helper 1.1.0
[INFO] tweaked toml for crates.io crate sgx_crypto_helper 1.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate sgx_crypto_helper 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-big-array v0.1.5
[INFO] [stderr]   Downloaded sgx_ucrypto v1.1.0
[INFO] [stderr]   Downloaded sgx_tcrypto v1.1.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e33da8659355fac0dd607568bf8347fc80f40e956e839a8088d5fb23a44723e
[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" "1e33da8659355fac0dd607568bf8347fc80f40e956e839a8088d5fb23a44723e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e33da8659355fac0dd607568bf8347fc80f40e956e839a8088d5fb23a44723e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e33da8659355fac0dd607568bf8347fc80f40e956e839a8088d5fb23a44723e", kill_on_drop: false }`
[INFO] [stdout] 1e33da8659355fac0dd607568bf8347fc80f40e956e839a8088d5fb23a44723e
[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" "RUSTFLAGS=--cap-lints=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f2862e9da5e188f2607f58ccabc891d48ccae6cf86aa9a51524217f72a4ac2
[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" "66f2862e9da5e188f2607f58ccabc891d48ccae6cf86aa9a51524217f72a4ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling sgx_ucrypto v1.1.0
[INFO] [stderr]    Compiling serde-big-array v0.1.5
[INFO] [stderr]     Checking sgx_types v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling sgx_crypto_helper v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rdrand v0.6.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 | #![cfg_attr(test, feature(test))]
[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 `sgx_crypto_helper`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "66f2862e9da5e188f2607f58ccabc891d48ccae6cf86aa9a51524217f72a4ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f2862e9da5e188f2607f58ccabc891d48ccae6cf86aa9a51524217f72a4ac2", kill_on_drop: false }`
[INFO] [stdout] 66f2862e9da5e188f2607f58ccabc891d48ccae6cf86aa9a51524217f72a4ac2
