Nov 02 02:44:14.841 INFO testing thread-object-0.2.0 against 1.30.0 for beta-1.31-1
Nov 02 02:44:14.843 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-2/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02:44:15.357 INFO blam! 1eb88e7e76dd96e143e7d7c19f1be447b825ba514ee2e268573a57cde98030ee
Nov 02 02:44:15.359 INFO running `"docker" "start" "-a" "1eb88e7e76dd96e143e7d7c19f1be447b825ba514ee2e268573a57cde98030ee"`
Nov 02 02:44:16.279 INFO kablam! usermod: no changes
Nov 02 02:44:16.307 INFO kablam!    Compiling thread-object v0.2.0 (/source)
Nov 02 02:44:16.843 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 02:44:16.843 INFO kablam!   --> src/lib.rs:15:1
Nov 02 02:44:16.844 INFO kablam!    |
Nov 02 02:44:16.844 INFO kablam! 15 | #![feature(const_fn)]
Nov 02 02:44:16.844 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:44:16.844 INFO kablam! 
Nov 02 02:44:16.850 INFO kablam! error: aborting due to previous error
Nov 02 02:44:16.851 INFO kablam! 
Nov 02 02:44:16.851 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 02:44:16.851 INFO kablam! error: Could not compile `thread-object`.
Nov 02 02:44:16.851 INFO kablam! 
Nov 02 02:44:16.851 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 02:44:16.851 INFO kablam! su: No module specific data is present
Nov 02 02:44:17.371 INFO running `"docker" "rm" "-f" "1eb88e7e76dd96e143e7d7c19f1be447b825ba514ee2e268573a57cde98030ee"`
Nov 02 02:44:17.609 INFO blam! 1eb88e7e76dd96e143e7d7c19f1be447b825ba514ee2e268573a57cde98030ee
