Nov 01 16:18:34.484 INFO testing aisamanra/rust-closure-callback against 1.30.0 for beta-1.31-1
Nov 01 16:18:34.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-7/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 16:18:35.003 INFO blam! 8159e43933559afa3b8ad3bc166ce7636a96e1db217d28ef1ffa4fd8977a1932
Nov 01 16:18:35.054 INFO running `"docker" "start" "-a" "8159e43933559afa3b8ad3bc166ce7636a96e1db217d28ef1ffa4fd8977a1932"`
Nov 01 16:18:35.763 INFO kablam! usermod: no changes
Nov 01 16:18:35.796 INFO kablam!    Compiling cb v0.1.0 (/source)
Nov 01 16:18:36.934 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 01 16:18:36.934 INFO kablam!   --> src/main.rs:13:1
Nov 01 16:18:36.934 INFO kablam!    |
Nov 01 16:18:36.934 INFO kablam! 13 | #![feature(libc)]
Nov 01 16:18:36.934 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Nov 01 16:18:36.934 INFO kablam! 
Nov 01 16:18:36.934 INFO kablam! error: aborting due to previous error
Nov 01 16:18:36.934 INFO kablam! 
Nov 01 16:18:36.934 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 01 16:18:36.939 INFO kablam! error: Could not compile `cb`.
Nov 01 16:18:36.939 INFO kablam! 
Nov 01 16:18:36.939 INFO kablam! To learn more, run the command again with --verbose.
Nov 01 16:18:36.940 INFO kablam! su: No module specific data is present
Nov 01 16:18:37.676 INFO running `"docker" "rm" "-f" "8159e43933559afa3b8ad3bc166ce7636a96e1db217d28ef1ffa4fd8977a1932"`
Nov 01 16:18:37.864 INFO blam! 8159e43933559afa3b8ad3bc166ce7636a96e1db217d28ef1ffa4fd8977a1932
