Dec 01 07:24:15.850 INFO testing nitros12/pyo3_rust_image_poc against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 07:24:15.852 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 01 07:24:16.344 INFO [stdout] f22518ba40861580ece618560a09ded2ed3859026eb0ce8a94fa78113a573c43
Dec 01 07:24:16.345 INFO running `"docker" "start" "-a" "f22518ba40861580ece618560a09ded2ed3859026eb0ce8a94fa78113a573c43"`
Dec 01 07:24:17.511 INFO [stderr] usermod: no changes
Dec 01 07:24:17.683 INFO [stderr]    Compiling proc-macro-hack-impl v0.4.0
Dec 01 07:24:17.691 INFO [stderr]    Compiling spin v0.4.9
Dec 01 07:24:17.691 INFO [stderr]    Compiling syn v0.14.9
Dec 01 07:24:17.703 INFO [stderr]    Compiling png v0.12.0
Dec 01 07:24:17.703 INFO [stderr]    Compiling pyo3 v0.4.1
Dec 01 07:24:17.704 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 01 07:24:18.071 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 07:24:18.071 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.9/src/lib.rs:6:35
Dec 01 07:24:18.072 INFO [stderr]   |
Dec 01 07:24:18.072 INFO [stderr] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
Dec 01 07:24:18.072 INFO [stderr]   |                                   ^^^^^^^^^^^^^^^^^
Dec 01 07:24:18.074 INFO [stderr] 
Dec 01 07:24:18.074 INFO [stderr] error: aborting due to previous error
Dec 01 07:24:18.075 INFO [stderr] 
Dec 01 07:24:18.075 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 07:24:18.107 INFO [stderr] error: Could not compile `spin`.
Dec 01 07:24:18.108 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 07:24:45.122 INFO [stderr] error: build failed
Dec 01 07:24:45.127 INFO [stderr] su: No module specific data is present
Dec 01 07:24:45.815 INFO running `"docker" "inspect" "f22518ba40861580ece618560a09ded2ed3859026eb0ce8a94fa78113a573c43"`
Dec 01 07:24:46.271 INFO running `"docker" "rm" "-f" "f22518ba40861580ece618560a09ded2ed3859026eb0ce8a94fa78113a573c43"`
Dec 01 07:24:46.509 INFO [stdout] f22518ba40861580ece618560a09ded2ed3859026eb0ce8a94fa78113a573c43
