Dec 03 06:28:45.387 INFO testing growable-0.3.2 against 1.30.1 for beta-1.31-5
Dec 03 06:28:45.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 06:28:45.893 INFO [stdout] 1e08c78fe4375e1c94520a67cbe9374b4b33a7d06c290548a0024c2834faa462
Dec 03 06:28:45.896 INFO running `"docker" "start" "-a" "1e08c78fe4375e1c94520a67cbe9374b4b33a7d06c290548a0024c2834faa462"`
Dec 03 06:28:46.899 INFO [stderr] usermod: no changes
Dec 03 06:28:46.939 INFO [stderr]    Compiling growable v0.3.2 (/source)
Dec 03 06:28:47.619 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 06:28:47.619 INFO [stderr]   --> src/lib.rs:15:1
Dec 03 06:28:47.619 INFO [stderr]    |
Dec 03 06:28:47.619 INFO [stderr] 15 | #![feature(allocator_api, coerce_unsized, unsize)]
Dec 03 06:28:47.619 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 06:28:47.619 INFO [stderr] 
Dec 03 06:28:47.619 INFO [stderr] error: aborting due to previous error
Dec 03 06:28:47.619 INFO [stderr] 
Dec 03 06:28:47.619 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 06:28:47.621 INFO [stderr] error: Could not compile `growable`.
Dec 03 06:28:47.621 INFO [stderr] 
Dec 03 06:28:47.621 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 06:28:47.622 INFO [stderr] su: No module specific data is present
Dec 03 06:28:48.387 INFO running `"docker" "inspect" "1e08c78fe4375e1c94520a67cbe9374b4b33a7d06c290548a0024c2834faa462"`
Dec 03 06:28:48.703 INFO running `"docker" "rm" "-f" "1e08c78fe4375e1c94520a67cbe9374b4b33a7d06c290548a0024c2834faa462"`
Dec 03 06:28:48.914 INFO [stdout] 1e08c78fe4375e1c94520a67cbe9374b4b33a7d06c290548a0024c2834faa462