Dec 02 10:41:37.760 INFO testing xen-sys-0.0.0-pre against 1.30.1 for beta-1.31-5
Dec 02 10:41:37.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 10:41:37.967 INFO [stdout] 3142619d1592d97563fde280780aea4b8ed60f934b5087e84db612fb2ad65e83
Dec 02 10:41:37.969 INFO running `"docker" "start" "-a" "3142619d1592d97563fde280780aea4b8ed60f934b5087e84db612fb2ad65e83"`
Dec 02 10:41:38.603 INFO [stderr] usermod: no changes
Dec 02 10:41:38.659 INFO [stderr]    Compiling xen-sys v0.0.0-pre (/source)
Dec 02 10:41:38.744 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 10:41:38.744 INFO [stderr]   --> src/lib.rs:11:1
Dec 02 10:41:38.744 INFO [stderr]    |
Dec 02 10:41:38.744 INFO [stderr] 11 | #![feature(asm)]
Dec 02 10:41:38.744 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 02 10:41:38.744 INFO [stderr] 
Dec 02 10:41:38.744 INFO [stderr] error: aborting due to previous error
Dec 02 10:41:38.744 INFO [stderr] 
Dec 02 10:41:38.744 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 10:41:38.768 INFO [stderr] error: Could not compile `xen-sys`.
Dec 02 10:41:38.768 INFO [stderr] 
Dec 02 10:41:38.768 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 10:41:38.770 INFO [stderr] su: No module specific data is present
Dec 02 10:41:39.395 INFO running `"docker" "inspect" "3142619d1592d97563fde280780aea4b8ed60f934b5087e84db612fb2ad65e83"`
Dec 02 10:41:39.629 INFO running `"docker" "rm" "-f" "3142619d1592d97563fde280780aea4b8ed60f934b5087e84db612fb2ad65e83"`
Dec 02 10:41:39.863 INFO [stdout] 3142619d1592d97563fde280780aea4b8ed60f934b5087e84db612fb2ad65e83