Dec 02 18:30:24.225 INFO testing rustep-0.1.2 against 1.30.1 for beta-1.31-5
Dec 02 18:30:24.225 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 18:30:24.904 INFO [stdout] e539577e17921f9c3122dc0055eb842634fc1fd0640c101fa3ce85fd42f75b1a
Dec 02 18:30:24.907 INFO running `"docker" "start" "-a" "e539577e17921f9c3122dc0055eb842634fc1fd0640c101fa3ce85fd42f75b1a"`
Dec 02 18:30:26.937 INFO [stderr] usermod: no changes
Dec 02 18:30:27.289 INFO [stderr]    Compiling enumflags v0.3.0
Dec 02 18:30:27.299 INFO [stderr]    Compiling syn v0.12.15
Dec 02 18:30:27.299 INFO [stderr]    Compiling num-bigint v0.1.44
Dec 02 18:30:27.302 INFO [stderr]    Compiling nom v3.2.1
Dec 02 18:30:36.607 INFO [stderr]    Compiling num-rational v0.1.42
Dec 02 18:30:41.216 INFO [stderr]    Compiling num v0.1.42
Dec 02 18:30:50.735 INFO [stderr]    Compiling enumflags_derive v0.4.1
Dec 02 18:30:56.127 INFO [stderr]    Compiling rustep v0.1.2 (/source)
Dec 02 18:30:58.243 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 18:30:58.243 INFO [stderr]   --> src/lib.rs:49:1
Dec 02 18:30:58.243 INFO [stderr]    |
Dec 02 18:30:58.243 INFO [stderr] 49 | #![feature(try_from)]
Dec 02 18:30:58.243 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:30:58.243 INFO [stderr] 
Dec 02 18:30:58.257 INFO [stderr] error: aborting due to previous error
Dec 02 18:30:58.257 INFO [stderr] 
Dec 02 18:30:58.257 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 18:30:58.271 INFO [stderr] error: Could not compile `rustep`.
Dec 02 18:30:58.271 INFO [stderr] 
Dec 02 18:30:58.271 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 18:30:58.273 INFO [stderr] su: No module specific data is present
Dec 02 18:30:59.731 INFO running `"docker" "inspect" "e539577e17921f9c3122dc0055eb842634fc1fd0640c101fa3ce85fd42f75b1a"`
Dec 02 18:31:00.005 INFO running `"docker" "rm" "-f" "e539577e17921f9c3122dc0055eb842634fc1fd0640c101fa3ce85fd42f75b1a"`
Dec 02 18:31:00.359 INFO [stdout] e539577e17921f9c3122dc0055eb842634fc1fd0640c101fa3ce85fd42f75b1a