Dec 03 06:16:00.980 INFO testing hamt-sync-0.2.5 against 1.30.1 for beta-1.31-5
Dec 03 06:16:00.980 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 03 06:16:01.513 INFO [stdout] f949125d077921deca1629f5e0a2ea992662bf104c32727c221aef7ba63e7e29
Dec 03 06:16:01.515 INFO running `"docker" "start" "-a" "f949125d077921deca1629f5e0a2ea992662bf104c32727c221aef7ba63e7e29"`
Dec 03 06:16:03.735 INFO [stderr] usermod: no changes
Dec 03 06:16:03.863 INFO [stderr]    Compiling hamt-sync v0.2.5 (/source)
Dec 03 06:16:04.608 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 06:16:04.608 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 06:16:04.608 INFO [stderr]   |
Dec 03 06:16:04.608 INFO [stderr] 1 | #![feature(test)]
Dec 03 06:16:04.608 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 03 06:16:04.608 INFO [stderr] 
Dec 03 06:16:04.608 INFO [stderr] error: aborting due to previous error
Dec 03 06:16:04.608 INFO [stderr] 
Dec 03 06:16:04.608 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 06:16:04.608 INFO [stderr] error: Could not compile `hamt-sync`.
Dec 03 06:16:04.608 INFO [stderr] 
Dec 03 06:16:04.608 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 06:16:04.615 INFO [stderr] su: No module specific data is present
Dec 03 06:16:05.646 INFO running `"docker" "inspect" "f949125d077921deca1629f5e0a2ea992662bf104c32727c221aef7ba63e7e29"`
Dec 03 06:16:06.027 INFO running `"docker" "rm" "-f" "f949125d077921deca1629f5e0a2ea992662bf104c32727c221aef7ba63e7e29"`
Dec 03 06:16:06.387 INFO [stdout] f949125d077921deca1629f5e0a2ea992662bf104c32727c221aef7ba63e7e29