Dec 03 06:37:23.892 INFO testing greenwasm-execution-0.3.0 against 1.30.1 for beta-1.31-5
Dec 03 06:37:23.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 06:37:24.263 INFO [stdout] 01e48d3c75dd54581141f0599580161b259575e5731ee8efa4fbed6130319f8d
Dec 03 06:37:24.269 INFO running `"docker" "start" "-a" "01e48d3c75dd54581141f0599580161b259575e5731ee8efa4fbed6130319f8d"`
Dec 03 06:37:25.391 INFO [stderr] usermod: no changes
Dec 03 06:37:25.471 INFO [stderr]    Compiling frounding v0.0.4
Dec 03 06:37:25.471 INFO [stderr]    Compiling smallvec v0.6.7
Dec 03 06:37:26.659 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 06:37:26.659 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.7/lib.rs:33:32
Dec 03 06:37:26.659 INFO [stderr]    |
Dec 03 06:37:26.659 INFO [stderr] 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
Dec 03 06:37:26.659 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 06:37:26.659 INFO [stderr] 
Dec 03 06:37:26.659 INFO [stderr] error: aborting due to previous error
Dec 03 06:37:26.659 INFO [stderr] 
Dec 03 06:37:26.659 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 06:37:26.659 INFO [stderr] error: Could not compile `smallvec`.
Dec 03 06:37:26.659 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 06:37:27.025 INFO [stderr] error: build failed
Dec 03 06:37:27.025 INFO [stderr] su: No module specific data is present
Dec 03 06:37:27.520 INFO running `"docker" "inspect" "01e48d3c75dd54581141f0599580161b259575e5731ee8efa4fbed6130319f8d"`
Dec 03 06:37:27.837 INFO running `"docker" "rm" "-f" "01e48d3c75dd54581141f0599580161b259575e5731ee8efa4fbed6130319f8d"`
Dec 03 06:37:28.063 INFO [stdout] 01e48d3c75dd54581141f0599580161b259575e5731ee8efa4fbed6130319f8d