Nov 02 01:55:51.927 INFO testing transducers-0.0.2 against beta-2018-10-30 for beta-1.31-1
Nov 02 01:55:51.927 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 02 01:55:52.355 INFO blam! 72b4ac6091c5ff1133967eb0d81a8c444e424db1ba43b861d4831ae40293372e
Nov 02 01:55:52.358 INFO running `"docker" "start" "-a" "72b4ac6091c5ff1133967eb0d81a8c444e424db1ba43b861d4831ae40293372e"`
Nov 02 01:55:53.767 INFO kablam! usermod: no changes
Nov 02 01:55:53.819 INFO kablam!    Compiling transducers v0.0.2 (/source)
Nov 02 01:55:54.263 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 02 01:55:54.263 INFO kablam!   --> src/lib.rs:41:1
Nov 02 01:55:54.263 INFO kablam!    |
Nov 02 01:55:54.263 INFO kablam! 41 | #![feature(fn_traits, unboxed_closures)]
Nov 02 01:55:54.263 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:55:54.263 INFO kablam! 
Nov 02 01:55:54.263 INFO kablam! error: aborting due to previous error
Nov 02 01:55:54.263 INFO kablam! 
Nov 02 01:55:54.263 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 01:55:54.263 INFO kablam! error: Could not compile `transducers`.
Nov 02 01:55:54.263 INFO kablam! 
Nov 02 01:55:54.263 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 01:55:54.263 INFO kablam! su: No module specific data is present
Nov 02 01:55:54.842 INFO running `"docker" "rm" "-f" "72b4ac6091c5ff1133967eb0d81a8c444e424db1ba43b861d4831ae40293372e"`
Nov 02 01:55:55.011 INFO blam! 72b4ac6091c5ff1133967eb0d81a8c444e424db1ba43b861d4831ae40293372e
