Nov 02 20:22:33.777 INFO testing forklift-0.1.0 against 1.30.0 for beta-1.31-1
Nov 02 20:22:33.779 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 02 20:22:34.074 INFO blam! e86d27b1f6d1e01cc1731609a1bd047b7c71c516ca2a1559e85175d093c09800
Nov 02 20:22:34.079 INFO running `"docker" "start" "-a" "e86d27b1f6d1e01cc1731609a1bd047b7c71c516ca2a1559e85175d093c09800"`
Nov 02 20:22:34.703 INFO kablam! usermod: no changes
Nov 02 20:22:34.736 INFO kablam!    Compiling forklift v0.1.0 (/source)
Nov 02 20:22:40.555 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 20:22:40.555 INFO kablam!  --> src/lib.rs:1:1
Nov 02 20:22:40.555 INFO kablam!   |
Nov 02 20:22:40.555 INFO kablam! 1 | #![feature(rustc_private)]
Nov 02 20:22:40.555 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 20:22:40.555 INFO kablam! 
Nov 02 20:22:40.559 INFO kablam! error: aborting due to previous error
Nov 02 20:22:40.559 INFO kablam! 
Nov 02 20:22:40.559 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 20:22:40.566 INFO kablam! error: Could not compile `forklift`.
Nov 02 20:22:40.566 INFO kablam! 
Nov 02 20:22:40.566 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 20:22:40.568 INFO kablam! su: No module specific data is present
Nov 02 20:22:41.401 INFO running `"docker" "rm" "-f" "e86d27b1f6d1e01cc1731609a1bd047b7c71c516ca2a1559e85175d093c09800"`
Nov 02 20:22:41.671 INFO blam! e86d27b1f6d1e01cc1731609a1bd047b7c71c516ca2a1559e85175d093c09800
