Nov 01 16:59:52.471 INFO testing WiebeCnossen/a17d22 against 1.30.0 for beta-1.31-1
Nov 01 16:59:52.472 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 01 16:59:52.804 INFO blam! 2763d5174c43bacea4df21692f34429697800391525b4c6cfff82dbf34bb2b7c
Nov 01 16:59:52.805 INFO running `"docker" "start" "-a" "2763d5174c43bacea4df21692f34429697800391525b4c6cfff82dbf34bb2b7c"`
Nov 01 16:59:53.686 INFO kablam! usermod: no changes
Nov 01 16:59:53.726 INFO kablam!    Compiling a17d22 v0.1.0 (/source)
Nov 01 16:59:54.134 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 01 16:59:54.135 INFO kablam!  --> src/main.rs:1:1
Nov 01 16:59:54.136 INFO kablam!   |
Nov 01 16:59:54.136 INFO kablam! 1 | #![feature(entry_and_modify)]
Nov 01 16:59:54.136 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:59:54.136 INFO kablam! 
Nov 01 16:59:54.136 INFO kablam! error: aborting due to previous error
Nov 01 16:59:54.137 INFO kablam! 
Nov 01 16:59:54.137 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 01 16:59:54.137 INFO kablam! error: Could not compile `a17d22`.
Nov 01 16:59:54.137 INFO kablam! 
Nov 01 16:59:54.138 INFO kablam! To learn more, run the command again with --verbose.
Nov 01 16:59:54.139 INFO kablam! su: No module specific data is present
Nov 01 16:59:54.533 INFO running `"docker" "rm" "-f" "2763d5174c43bacea4df21692f34429697800391525b4c6cfff82dbf34bb2b7c"`
Nov 01 16:59:54.667 INFO blam! 2763d5174c43bacea4df21692f34429697800391525b4c6cfff82dbf34bb2b7c
