Dec 02 21:13:29.515 INFO testing ralloc_shim-0.1.1 against 1.30.1 for beta-1.31-5
Dec 02 21:13:29.516 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 21:13:29.887 INFO [stdout] 50c3c4464da3e24c1c97b135dd1799148e4332cb503fed809acdf0434dd3038f
Dec 02 21:13:29.887 INFO running `"docker" "start" "-a" "50c3c4464da3e24c1c97b135dd1799148e4332cb503fed809acdf0434dd3038f"`
Dec 02 21:13:30.551 INFO [stderr] usermod: no changes
Dec 02 21:13:30.581 INFO [stderr]    Compiling syscall v0.2.1
Dec 02 21:13:30.647 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 21:13:30.647 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/syscall-0.2.1/src/lib.rs:15:1
Dec 02 21:13:30.647 INFO [stderr]    |
Dec 02 21:13:30.647 INFO [stderr] 15 | #![feature(asm)]
Dec 02 21:13:30.647 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 02 21:13:30.647 INFO [stderr] 
Dec 02 21:13:30.647 INFO [stderr] error: aborting due to previous error
Dec 02 21:13:30.647 INFO [stderr] 
Dec 02 21:13:30.647 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 21:13:30.652 INFO [stderr] error: Could not compile `syscall`.
Dec 02 21:13:30.652 INFO [stderr] 
Dec 02 21:13:30.652 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 21:13:30.653 INFO [stderr] su: No module specific data is present
Dec 02 21:13:31.311 INFO running `"docker" "inspect" "50c3c4464da3e24c1c97b135dd1799148e4332cb503fed809acdf0434dd3038f"`
Dec 02 21:13:31.677 INFO running `"docker" "rm" "-f" "50c3c4464da3e24c1c97b135dd1799148e4332cb503fed809acdf0434dd3038f"`
Dec 02 21:13:32.051 INFO [stdout] 50c3c4464da3e24c1c97b135dd1799148e4332cb503fed809acdf0434dd3038f