Dec 01 03:33:47.240 INFO testing samzhuwj/substrate-contracts-adder against 1.30.1 for beta-1.31-5
Dec 01 03:33:47.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/1.30.1:/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 +1.30.1 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 03:33:47.719 INFO [stdout] 64087861c56f54fe2d0f504bda8ff37e4e7edef26ab86ab67118877e41580244
Dec 01 03:33:47.725 INFO running `"docker" "start" "-a" "64087861c56f54fe2d0f504bda8ff37e4e7edef26ab86ab67118877e41580244"`
Dec 01 03:33:49.415 INFO [stderr] usermod: no changes
Dec 01 03:33:49.471 INFO [stderr] warning: unused manifest key: dependencies.parity-codec-derive.default-feature
Dec 01 03:33:49.471 INFO [stderr] warning: unused manifest key: dependencies.parity-codec.default-feature
Dec 01 03:33:49.471 INFO [stderr] warning: unused manifest key: profile.realse
Dec 01 03:33:49.539 INFO [stderr]    Compiling wee_alloc v0.4.2
Dec 01 03:33:49.539 INFO [stderr]    Compiling memory_units v0.4.0
Dec 01 03:33:49.539 INFO [stderr]    Compiling libc v0.2.43
Dec 01 03:33:49.540 INFO [stderr]    Compiling parity-codec v2.1.5
Dec 01 03:33:49.540 INFO [stderr]    Compiling syn v0.14.9
Dec 01 03:33:53.365 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 03:33:53.366 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wee_alloc-0.4.2/src/lib.rs:228:1
Dec 01 03:33:53.366 INFO [stderr]     |
Dec 01 03:33:53.366 INFO [stderr] 228 | #![feature(alloc, allocator_api, core_intrinsics)]
Dec 01 03:33:53.366 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 03:33:53.366 INFO [stderr] 
Dec 01 03:33:53.367 INFO [stderr] error: aborting due to previous error
Dec 01 03:33:53.367 INFO [stderr] 
Dec 01 03:33:53.367 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 03:33:53.391 INFO [stderr] error: Could not compile `wee_alloc`.
Dec 01 03:33:53.391 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 03:34:03.039 INFO [stderr] error: build failed
Dec 01 03:34:03.040 INFO [stderr] su: No module specific data is present
Dec 01 03:34:04.606 INFO running `"docker" "inspect" "64087861c56f54fe2d0f504bda8ff37e4e7edef26ab86ab67118877e41580244"`
Dec 01 03:34:04.921 INFO running `"docker" "rm" "-f" "64087861c56f54fe2d0f504bda8ff37e4e7edef26ab86ab67118877e41580244"`
Dec 01 03:34:05.255 INFO [stdout] 64087861c56f54fe2d0f504bda8ff37e4e7edef26ab86ab67118877e41580244
