[INFO] updating cached repository https://github.com/pepyakin/substrate-contracts-adder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 12f8f105ad48734e69461ae1f6630c24ba3d2441
[INFO] checking pepyakin/substrate-contracts-adder against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Fsubstrate-contracts-adder" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepyakin/substrate-contracts-adder 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/pepyakin/substrate-contracts-adder
[INFO] finished tweaking git repo https://github.com/pepyakin/substrate-contracts-adder
[INFO] tweaked toml for git repo https://github.com/pepyakin/substrate-contracts-adder written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pepyakin/substrate-contracts-adder 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 88f5f8cbd24e6c924989c2f6546154c7b1f683638e5a50a5f4e8c168115ff16a
[INFO] running `"docker" "start" "-a" "88f5f8cbd24e6c924989c2f6546154c7b1f683638e5a50a5f4e8c168115ff16a"`
[INFO] [stderr]    Compiling wee_alloc v0.4.2
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking parity-codec v2.0.3
[INFO] [stderr]    Compiling parity-codec-derive v2.0.4
[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/parity-codec-2.0.3/src/lib.rs:20:35
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![cfg_attr(not(feature = "std"), feature(alloc))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/parity-codec-derive-2.0.4/src/lib.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![cfg_attr(not(feature = "std"), feature(core_intrinsics))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/parity-codec-derive-2.0.4/src/lib.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![cfg_attr(not(feature = "std"), feature(alloc))]
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `parity-codec-derive`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `parity-codec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "88f5f8cbd24e6c924989c2f6546154c7b1f683638e5a50a5f4e8c168115ff16a"`
[INFO] running `"docker" "rm" "-f" "88f5f8cbd24e6c924989c2f6546154c7b1f683638e5a50a5f4e8c168115ff16a"`
[INFO] [stdout] 88f5f8cbd24e6c924989c2f6546154c7b1f683638e5a50a5f4e8c168115ff16a