[INFO] cloning repository https://github.com/fluencelabs/llamadb-wasm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fluencelabs/llamadb-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluencelabs%2Fllamadb-wasm"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluencelabs%2Fllamadb-wasm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e2facc48e73c4613ed53c2ce537cbdcf6503ea9
[INFO] checking fluencelabs/llamadb-wasm against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffluencelabs%2Fllamadb-wasm" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fluencelabs/llamadb-wasm on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fluencelabs/llamadb-wasm
[INFO] finished tweaking git repo https://github.com/fluencelabs/llamadb-wasm
[INFO] tweaked toml for git repo https://github.com/fluencelabs/llamadb-wasm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/fluencelabs/llamadb-wasm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa74fc740e9711214b64e6471be4e5f34511129265b2c18b9f1e6c3dc12842f3
[INFO] running `"docker" "start" "-a" "aa74fc740e9711214b64e6471be4e5f34511129265b2c18b9f1e6c3dc12842f3"`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking llamadb v0.1.0 (https://github.com/fluencelabs/llamadb.git#85b8d273)
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/llamadb-3bce28af250718f1/85b8d27/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(associated_type_defaults)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[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 `llamadb`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "aa74fc740e9711214b64e6471be4e5f34511129265b2c18b9f1e6c3dc12842f3"`
[INFO] running `"docker" "rm" "-f" "aa74fc740e9711214b64e6471be4e5f34511129265b2c18b9f1e6c3dc12842f3"`
[INFO] [stdout] aa74fc740e9711214b64e6471be4e5f34511129265b2c18b9f1e6c3dc12842f3