Dec 02 07:16:17.003 INFO testing Hanaasagi/mepuru against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 07:16:17.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 07:16:17.285 INFO [stdout] 99985a04635ced6bf9ecd3ff5b7c5649cbfa4a7c93b00b1b6d2bfa0c1dcec39b
Dec 02 07:16:17.287 INFO running `"docker" "start" "-a" "99985a04635ced6bf9ecd3ff5b7c5649cbfa4a7c93b00b1b6d2bfa0c1dcec39b"`
Dec 02 07:16:17.719 INFO [stderr] usermod: no changes
Dec 02 07:16:17.825 INFO [stderr]    Compiling spin v0.4.9
Dec 02 07:16:17.828 INFO [stderr]    Compiling mashup-impl v0.1.9
Dec 02 07:16:17.828 INFO [stderr]    Compiling syn v0.14.9
Dec 02 07:16:17.828 INFO [stderr]    Compiling pyo3 v0.4.1
Dec 02 07:16:17.999 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 07:16:17.999 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.9/src/lib.rs:6:35
Dec 02 07:16:17.999 INFO [stderr]   |
Dec 02 07:16:17.999 INFO [stderr] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
Dec 02 07:16:17.999 INFO [stderr]   |                                   ^^^^^^^^^^^^^^^^^
Dec 02 07:16:17.999 INFO [stderr] 
Dec 02 07:16:17.999 INFO [stderr] error: aborting due to previous error
Dec 02 07:16:17.999 INFO [stderr] 
Dec 02 07:16:17.999 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 07:16:18.007 INFO [stderr] error: Could not compile `spin`.
Dec 02 07:16:18.007 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 07:16:37.539 INFO [stderr] error: build failed
Dec 02 07:16:37.543 INFO [stderr] su: No module specific data is present
Dec 02 07:16:37.893 INFO running `"docker" "inspect" "99985a04635ced6bf9ecd3ff5b7c5649cbfa4a7c93b00b1b6d2bfa0c1dcec39b"`
Dec 02 07:16:38.018 INFO running `"docker" "rm" "-f" "99985a04635ced6bf9ecd3ff5b7c5649cbfa4a7c93b00b1b6d2bfa0c1dcec39b"`
Dec 02 07:16:38.225 INFO [stdout] 99985a04635ced6bf9ecd3ff5b7c5649cbfa4a7c93b00b1b6d2bfa0c1dcec39b