Nov 03 03:16:01.909 INFO testing alternate-future-0.1.4 against beta-2018-10-30 for beta-1.31-1
Nov 03 03:16:01.910 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 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 03 03:16:02.253 INFO blam! a2b741ed3401786fc3b1e51d40aec2743128cd36a28786a5e3891c32eee74495
Nov 03 03:16:02.263 INFO running `"docker" "start" "-a" "a2b741ed3401786fc3b1e51d40aec2743128cd36a28786a5e3891c32eee74495"`
Nov 03 03:16:03.307 INFO kablam! usermod: no changes
Nov 03 03:16:03.367 INFO kablam!    Compiling spin v0.3.5
Nov 03 03:16:03.479 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 03 03:16:03.480 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.3.5/src/lib.rs:6:1
Nov 03 03:16:03.480 INFO kablam!   |
Nov 03 03:16:03.480 INFO kablam! 6 | #![feature(const_fn, asm)]
Nov 03 03:16:03.481 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 03:16:03.481 INFO kablam! 
Nov 03 03:16:03.481 INFO kablam! error: aborting due to previous error
Nov 03 03:16:03.482 INFO kablam! 
Nov 03 03:16:03.482 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 03 03:16:03.495 INFO kablam! error: Could not compile `spin`.
Nov 03 03:16:03.495 INFO kablam! 
Nov 03 03:16:03.496 INFO kablam! To learn more, run the command again with --verbose.
Nov 03 03:16:03.496 INFO kablam! su: No module specific data is present
Nov 03 03:16:04.117 INFO running `"docker" "rm" "-f" "a2b741ed3401786fc3b1e51d40aec2743128cd36a28786a5e3891c32eee74495"`
Nov 03 03:16:04.453 INFO blam! a2b741ed3401786fc3b1e51d40aec2743128cd36a28786a5e3891c32eee74495
