Nov 02 08:35:57.929 INFO testing ralloc_shim-0.1.1 against 1.30.0 for beta-1.31-1
Nov 02 08:35:57.931 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-1/1.30.0:/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 +1.30.0 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"`
Nov 02 08:35:58.226 INFO blam! 7f44e512e3e51051da547d6d8015f0fd947aae475cb336d8561c68118534a2f5
Nov 02 08:35:58.229 INFO running `"docker" "start" "-a" "7f44e512e3e51051da547d6d8015f0fd947aae475cb336d8561c68118534a2f5"`
Nov 02 08:35:59.210 INFO kablam! usermod: no changes
Nov 02 08:35:59.243 INFO kablam!    Compiling syscall v0.2.1
Nov 02 08:35:59.395 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 08:35:59.395 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/syscall-0.2.1/src/lib.rs:15:1
Nov 02 08:35:59.395 INFO kablam!    |
Nov 02 08:35:59.395 INFO kablam! 15 | #![feature(asm)]
Nov 02 08:35:59.395 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 02 08:35:59.395 INFO kablam! 
Nov 02 08:35:59.395 INFO kablam! error: aborting due to previous error
Nov 02 08:35:59.395 INFO kablam! 
Nov 02 08:35:59.395 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 08:35:59.400 INFO kablam! error: Could not compile `syscall`.
Nov 02 08:35:59.400 INFO kablam! 
Nov 02 08:35:59.400 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 08:35:59.402 INFO kablam! su: No module specific data is present
Nov 02 08:36:00.032 INFO running `"docker" "rm" "-f" "7f44e512e3e51051da547d6d8015f0fd947aae475cb336d8561c68118534a2f5"`
Nov 02 08:36:00.375 INFO blam! 7f44e512e3e51051da547d6d8015f0fd947aae475cb336d8561c68118534a2f5
