Dec 01 06:23:27.681 INFO testing pepyakin/substrate-contracts-adder against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 06:23:27.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 06:23:28.212 INFO [stdout] d40becf6dad66af3f90fc6219243ae1d58fbaeed5acb64cee7638f9121dae739
Dec 01 06:23:28.219 INFO running `"docker" "start" "-a" "d40becf6dad66af3f90fc6219243ae1d58fbaeed5acb64cee7638f9121dae739"`
Dec 01 06:23:29.979 INFO [stderr] usermod: no changes
Dec 01 06:23:30.075 INFO [stderr]    Compiling wee_alloc v0.4.2
Dec 01 06:23:30.075 INFO [stderr]    Compiling memory_units v0.4.0
Dec 01 06:23:30.115 INFO [stderr]    Compiling parity-codec v2.0.3
Dec 01 06:23:30.115 INFO [stderr]    Compiling syn v0.14.9
Dec 01 06:23:30.736 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 06:23:30.736 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-codec-2.0.3/src/lib.rs:20:35
Dec 01 06:23:30.736 INFO [stderr]    |
Dec 01 06:23:30.736 INFO [stderr] 20 | #![cfg_attr(not(feature = "std"), feature(alloc))]
Dec 01 06:23:30.736 INFO [stderr]    |                                   ^^^^^^^^^^^^^^
Dec 01 06:23:30.738 INFO [stderr] 
Dec 01 06:23:30.742 INFO [stderr] error: aborting due to previous error
Dec 01 06:23:30.742 INFO [stderr] 
Dec 01 06:23:30.742 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 06:23:30.749 INFO [stderr] error: Could not compile `parity-codec`.
Dec 01 06:23:30.749 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 06:23:39.483 INFO [stderr] error: build failed
Dec 01 06:23:39.483 INFO [stderr] su: No module specific data is present
Dec 01 06:23:39.951 INFO running `"docker" "inspect" "d40becf6dad66af3f90fc6219243ae1d58fbaeed5acb64cee7638f9121dae739"`
Dec 01 06:23:40.161 INFO running `"docker" "rm" "-f" "d40becf6dad66af3f90fc6219243ae1d58fbaeed5acb64cee7638f9121dae739"`
Dec 01 06:23:40.415 INFO [stdout] d40becf6dad66af3f90fc6219243ae1d58fbaeed5acb64cee7638f9121dae739
