Dec 02 16:55:11.066 INFO testing shortcut-4.1.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 16:55:11.066 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 16:55:11.589 INFO [stdout] f872e5b295de14fcb55c83f96acb22e000684d8962a75a20b5cb2d5f10e635cc
Dec 02 16:55:11.595 INFO running `"docker" "start" "-a" "f872e5b295de14fcb55c83f96acb22e000684d8962a75a20b5cb2d5f10e635cc"`
Dec 02 16:55:12.515 INFO [stderr] usermod: no changes
Dec 02 16:55:12.612 INFO [stderr]    Compiling shortcut v4.1.2 (/source)
Dec 02 16:55:13.299 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 16:55:13.299 INFO [stderr]   --> src/lib.rs:29:1
Dec 02 16:55:13.299 INFO [stderr]    |
Dec 02 16:55:13.299 INFO [stderr] 29 | #![feature(btree_range, collections_bound)]
Dec 02 16:55:13.299 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 16:55:13.299 INFO [stderr] 
Dec 02 16:55:13.299 INFO [stderr] error: aborting due to previous error
Dec 02 16:55:13.299 INFO [stderr] 
Dec 02 16:55:13.299 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 16:55:13.314 INFO [stderr] error: Could not compile `shortcut`.
Dec 02 16:55:13.314 INFO [stderr] 
Dec 02 16:55:13.314 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 16:55:13.323 INFO [stderr] su: No module specific data is present
Dec 02 16:55:13.856 INFO running `"docker" "inspect" "f872e5b295de14fcb55c83f96acb22e000684d8962a75a20b5cb2d5f10e635cc"`
Dec 02 16:55:14.083 INFO running `"docker" "rm" "-f" "f872e5b295de14fcb55c83f96acb22e000684d8962a75a20b5cb2d5f10e635cc"`
Dec 02 16:55:14.379 INFO [stdout] f872e5b295de14fcb55c83f96acb22e000684d8962a75a20b5cb2d5f10e635cc