Dec 02 23:32:59.136 INFO testing owasm-ethereum-0.7.2 against 1.30.1 for beta-1.31-5
Dec 02 23:32:59.136 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 23:32:59.647 INFO [stdout] b705f53c87abc34f2bffcb61caf86fe6938d57d30e277d5cac5c92bef5be26d0
Dec 02 23:32:59.655 INFO running `"docker" "start" "-a" "b705f53c87abc34f2bffcb61caf86fe6938d57d30e277d5cac5c92bef5be26d0"`
Dec 02 23:33:00.803 INFO [stderr] usermod: no changes
Dec 02 23:33:00.913 INFO [stderr]    Compiling uint v0.4.1
Dec 02 23:33:00.913 INFO [stderr]    Compiling owasm-std v0.13.0
Dec 02 23:33:01.611 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:33:01.611 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/owasm-std-0.13.0/src/lib.rs:5:1
Dec 02 23:33:01.611 INFO [stderr]   |
Dec 02 23:33:01.611 INFO [stderr] 5 | #![feature(lang_items)]
Dec 02 23:33:01.611 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:33:01.611 INFO [stderr] 
Dec 02 23:33:01.611 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:33:01.611 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/owasm-std-0.13.0/src/lib.rs:6:1
Dec 02 23:33:01.611 INFO [stderr]   |
Dec 02 23:33:01.611 INFO [stderr] 6 | #![feature(link_args)]
Dec 02 23:33:01.611 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:33:01.611 INFO [stderr] 
Dec 02 23:33:01.611 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:33:01.611 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/owasm-std-0.13.0/src/lib.rs:7:1
Dec 02 23:33:01.611 INFO [stderr]   |
Dec 02 23:33:01.611 INFO [stderr] 7 | #![feature(alloc)]
Dec 02 23:33:01.611 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 02 23:33:01.611 INFO [stderr] 
Dec 02 23:33:01.611 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:33:01.611 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/owasm-std-0.13.0/src/lib.rs:8:1
Dec 02 23:33:01.611 INFO [stderr]   |
Dec 02 23:33:01.611 INFO [stderr] 8 | #![feature(core_intrinsics)]
Dec 02 23:33:01.611 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:33:01.611 INFO [stderr] 
Dec 02 23:33:01.611 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:33:01.611 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/owasm-std-0.13.0/src/lib.rs:9:1
Dec 02 23:33:01.611 INFO [stderr]   |
Dec 02 23:33:01.611 INFO [stderr] 9 | #![feature(panic_info_message)]
Dec 02 23:33:01.611 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:33:01.611 INFO [stderr] 
Dec 02 23:33:01.611 INFO [stderr] error: aborting due to 5 previous errors
Dec 02 23:33:01.611 INFO [stderr] 
Dec 02 23:33:01.611 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 23:33:01.635 INFO [stderr] error: Could not compile `owasm-std`.
Dec 02 23:33:01.635 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 23:33:12.898 INFO [stderr] error: build failed
Dec 02 23:33:12.898 INFO [stderr] su: No module specific data is present
Dec 02 23:33:13.845 INFO running `"docker" "inspect" "b705f53c87abc34f2bffcb61caf86fe6938d57d30e277d5cac5c92bef5be26d0"`
Dec 02 23:33:14.117 INFO running `"docker" "rm" "-f" "b705f53c87abc34f2bffcb61caf86fe6938d57d30e277d5cac5c92bef5be26d0"`
Dec 02 23:33:14.511 INFO [stdout] b705f53c87abc34f2bffcb61caf86fe6938d57d30e277d5cac5c92bef5be26d0