Dec 02 21:33:41.199 INFO testing pyportus-0.4.0 against 1.30.1 for beta-1.31-5
Dec 02 21:33:41.199 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 21:33:41.711 INFO [stdout] 2ce561156a6b73aefd693d0bf8f649028ba63c55d63f1655e915af6f1ee6ffbb
Dec 02 21:33:41.713 INFO running `"docker" "start" "-a" "2ce561156a6b73aefd693d0bf8f649028ba63c55d63f1655e915af6f1ee6ffbb"`
Dec 02 21:33:44.527 INFO [stderr] usermod: no changes
Dec 02 21:33:44.830 INFO [stderr]    Compiling spin v0.4.10
Dec 02 21:33:44.843 INFO [stderr]    Compiling proc-macro2 v0.3.8
Dec 02 21:33:44.849 INFO [stderr]    Compiling nix v0.9.0
Dec 02 21:33:44.851 INFO [stderr]    Compiling simple-signal v1.1.1
Dec 02 21:33:44.852 INFO [stderr]    Compiling slog-async v2.3.0
Dec 02 21:33:44.854 INFO [stderr]    Compiling pyo3cls v0.2.7
Dec 02 21:33:44.855 INFO [stderr]    Compiling slog-term v2.4.0
Dec 02 21:33:44.856 INFO [stderr]    Compiling pyo3 v0.2.7
Dec 02 21:33:45.267 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 21:33:45.267 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:35
Dec 02 21:33:45.268 INFO [stderr]   |
Dec 02 21:33:45.268 INFO [stderr] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
Dec 02 21:33:45.268 INFO [stderr]   |                                   ^^^^^^^^^^^^^^^^^^
Dec 02 21:33:45.268 INFO [stderr] 
Dec 02 21:33:45.279 INFO [stderr] error: aborting due to previous error
Dec 02 21:33:45.279 INFO [stderr] 
Dec 02 21:33:45.279 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 21:33:45.299 INFO [stderr] error: Could not compile `spin`.
Dec 02 21:33:45.300 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 21:34:01.528 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 21:34:01.528 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3cls-0.2.7/src/lib.rs:4:1
Dec 02 21:34:01.528 INFO [stderr]   |
Dec 02 21:34:01.528 INFO [stderr] 4 | #![feature(proc_macro)]
Dec 02 21:34:01.528 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 21:34:01.528 INFO [stderr] 
Dec 02 21:34:01.551 INFO [stderr] error: aborting due to previous error
Dec 02 21:34:01.551 INFO [stderr] 
Dec 02 21:34:01.551 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 21:34:01.562 INFO [stderr] error: Could not compile `pyo3cls`.
Dec 02 21:34:01.562 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 21:34:04.443 INFO [stderr] error: build failed
Dec 02 21:34:04.443 INFO [stderr] su: No module specific data is present
Dec 02 21:34:05.117 INFO running `"docker" "inspect" "2ce561156a6b73aefd693d0bf8f649028ba63c55d63f1655e915af6f1ee6ffbb"`
Dec 02 21:34:05.393 INFO running `"docker" "rm" "-f" "2ce561156a6b73aefd693d0bf8f649028ba63c55d63f1655e915af6f1ee6ffbb"`
Dec 02 21:34:05.660 INFO [stdout] 2ce561156a6b73aefd693d0bf8f649028ba63c55d63f1655e915af6f1ee6ffbb