Dec 03 19:46:17.855 INFO testing alloc-fmt-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 19:46:17.856 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 19:46:18.024 INFO [stdout] 11f1f1ba6e75154fb4102d7c428c4ed9890d354912298d1a35512bf8d39a78aa
Dec 03 19:46:18.028 INFO running `"docker" "start" "-a" "11f1f1ba6e75154fb4102d7c428c4ed9890d354912298d1a35512bf8d39a78aa"`
Dec 03 19:46:19.205 INFO [stderr] usermod: no changes
Dec 03 19:46:19.291 INFO [stderr]    Compiling spin v0.4.10
Dec 03 19:46:19.509 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 19:46:19.509 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:35
Dec 03 19:46:19.509 INFO [stderr]   |
Dec 03 19:46:19.509 INFO [stderr] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
Dec 03 19:46:19.509 INFO [stderr]   |                                   ^^^^^^^^^^^^^^^^^^
Dec 03 19:46:19.509 INFO [stderr] 
Dec 03 19:46:19.512 INFO [stderr] error: aborting due to previous error
Dec 03 19:46:19.512 INFO [stderr] 
Dec 03 19:46:19.512 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 19:46:19.520 INFO [stderr] error: Could not compile `spin`.
Dec 03 19:46:19.520 INFO [stderr] 
Dec 03 19:46:19.520 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 19:46:19.522 INFO [stderr] su: No module specific data is present
Dec 03 19:46:20.498 INFO running `"docker" "inspect" "11f1f1ba6e75154fb4102d7c428c4ed9890d354912298d1a35512bf8d39a78aa"`
Dec 03 19:46:20.760 INFO running `"docker" "rm" "-f" "11f1f1ba6e75154fb4102d7c428c4ed9890d354912298d1a35512bf8d39a78aa"`
Dec 03 19:46:20.928 INFO [stdout] 11f1f1ba6e75154fb4102d7c428c4ed9890d354912298d1a35512bf8d39a78aa