[INFO] updating cached repository https://github.com/viraja1/rhai_functions_fluence
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e81fb9acd77025892cde2d3aa4f8496c01d63143
[INFO] testing viraja1/rhai_functions_fluence against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviraja1%2Frhai_functions_fluence" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viraja1/rhai_functions_fluence 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 git repo https://github.com/viraja1/rhai_functions_fluence
[INFO] finished tweaking git repo https://github.com/viraja1/rhai_functions_fluence
[INFO] tweaked toml for git repo https://github.com/viraja1/rhai_functions_fluence written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/viraja1/rhai_functions_fluence already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] fecd53fc1716f343dddc072c68d76d1f1d2788f65c848be14b54675f8a9b6271
[INFO] running `"docker" "start" "-a" "fecd53fc1716f343dddc072c68d76d1f1d2788f65c848be14b54675f8a9b6271"`
[INFO] [stderr]    Compiling rhai v0.9.1 (https://github.com/jonathandturner/rhai#daadb4c9)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling fluence-sdk-main v0.1.5
[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/fluence-sdk-main-0.1.5/src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![feature(allocator_api)]
[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 `fluence-sdk-main`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fecd53fc1716f343dddc072c68d76d1f1d2788f65c848be14b54675f8a9b6271"`
[INFO] running `"docker" "rm" "-f" "fecd53fc1716f343dddc072c68d76d1f1d2788f65c848be14b54675f8a9b6271"`
[INFO] [stdout] fecd53fc1716f343dddc072c68d76d1f1d2788f65c848be14b54675f8a9b6271