Dec 02 23:32:27.636 INFO testing owasm-std-0.13.0 against 1.30.1 for beta-1.31-5
Dec 02 23:32:27.636 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 23:32:27.955 INFO [stdout] 008fcc55468c73bdbdd97437d7d924ffe937d991ee7a1ef236d1c80f4cda0bd7
Dec 02 23:32:27.957 INFO running `"docker" "start" "-a" "008fcc55468c73bdbdd97437d7d924ffe937d991ee7a1ef236d1c80f4cda0bd7"`
Dec 02 23:32:29.634 INFO [stderr] usermod: no changes
Dec 02 23:32:29.703 INFO [stderr]    Compiling rustc-hex v2.0.1
Dec 02 23:32:30.225 INFO [stderr]    Compiling uint v0.3.0
Dec 02 23:32:41.339 INFO [stderr]    Compiling parity-hash v1.2.2
Dec 02 23:32:42.659 INFO [stderr]    Compiling owasm-std v0.13.0 (/source)
Dec 02 23:32:42.979 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:32:42.979 INFO [stderr]  --> src/lib.rs:5:1
Dec 02 23:32:42.979 INFO [stderr]   |
Dec 02 23:32:42.979 INFO [stderr] 5 | #![feature(lang_items)]
Dec 02 23:32:42.979 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:32:42.980 INFO [stderr] 
Dec 02 23:32:42.980 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:32:42.980 INFO [stderr]  --> src/lib.rs:6:1
Dec 02 23:32:42.980 INFO [stderr]   |
Dec 02 23:32:42.980 INFO [stderr] 6 | #![feature(link_args)]
Dec 02 23:32:42.981 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:32:42.981 INFO [stderr] 
Dec 02 23:32:42.981 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:32:42.981 INFO [stderr]  --> src/lib.rs:7:1
Dec 02 23:32:42.981 INFO [stderr]   |
Dec 02 23:32:42.982 INFO [stderr] 7 | #![feature(alloc)]
Dec 02 23:32:42.982 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 02 23:32:42.982 INFO [stderr] 
Dec 02 23:32:42.982 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:32:42.982 INFO [stderr]  --> src/lib.rs:8:1
Dec 02 23:32:42.983 INFO [stderr]   |
Dec 02 23:32:42.983 INFO [stderr] 8 | #![feature(core_intrinsics)]
Dec 02 23:32:42.983 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:32:42.983 INFO [stderr] 
Dec 02 23:32:42.983 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:32:42.984 INFO [stderr]  --> src/lib.rs:9:1
Dec 02 23:32:42.984 INFO [stderr]   |
Dec 02 23:32:42.984 INFO [stderr] 9 | #![feature(panic_info_message)]
Dec 02 23:32:42.984 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:32:42.985 INFO [stderr] 
Dec 02 23:32:42.985 INFO [stderr] error: aborting due to 5 previous errors
Dec 02 23:32:42.985 INFO [stderr] 
Dec 02 23:32:42.985 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 23:32:42.986 INFO [stderr] error: Could not compile `owasm-std`.
Dec 02 23:32:42.987 INFO [stderr] 
Dec 02 23:32:42.987 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 23:32:42.988 INFO [stderr] su: No module specific data is present
Dec 02 23:32:44.408 INFO running `"docker" "inspect" "008fcc55468c73bdbdd97437d7d924ffe937d991ee7a1ef236d1c80f4cda0bd7"`
Dec 02 23:32:44.675 INFO running `"docker" "rm" "-f" "008fcc55468c73bdbdd97437d7d924ffe937d991ee7a1ef236d1c80f4cda0bd7"`
Dec 02 23:32:44.967 INFO [stdout] 008fcc55468c73bdbdd97437d7d924ffe937d991ee7a1ef236d1c80f4cda0bd7