Dec 02 11:47:41.372 INFO testing virtual-dom-rs-0.3.1 against 1.30.1 for beta-1.31-5
Dec 02 11:47:41.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11:47:41.879 INFO [stdout] 826cd2bf2c37b9bbe7b3178cadee4ede21ab47b98fe75b0a3afcce959669ed4e
Dec 02 11:47:41.882 INFO running `"docker" "start" "-a" "826cd2bf2c37b9bbe7b3178cadee4ede21ab47b98fe75b0a3afcce959669ed4e"`
Dec 02 11:47:42.386 INFO [stderr] usermod: no changes
Dec 02 11:47:42.531 INFO [stderr]    Compiling wasm-bindgen v0.2.28
Dec 02 11:47:42.531 INFO [stderr]    Compiling regex-syntax v0.6.4
Dec 02 11:47:42.531 INFO [stderr]    Compiling humantime v1.2.0
Dec 02 11:47:42.531 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.28
Dec 02 11:47:42.531 INFO [stderr]    Compiling atty v0.2.11
Dec 02 11:47:42.531 INFO [stderr]    Compiling nom v4.1.1
Dec 02 11:47:42.535 INFO [stderr]    Compiling failure v0.1.3
Dec 02 11:47:44.322 INFO [stderr]    Compiling wasm-bindgen-backend v0.2.28
Dec 02 11:47:47.759 INFO [stderr]    Compiling weedle v0.8.0
Dec 02 11:47:58.903 INFO [stderr]    Compiling regex v1.1.0
Dec 02 11:48:06.591 INFO [stderr]    Compiling wasm-bindgen-macro-support v0.2.28
Dec 02 11:48:09.255 INFO [stderr]    Compiling wasm-bindgen-webidl v0.2.22
Dec 02 11:48:14.983 INFO [stderr]    Compiling env_logger v0.6.0
Dec 02 11:48:18.799 INFO [stderr]    Compiling wasm-bindgen-macro v0.2.28
Dec 02 11:48:24.147 INFO [stderr]    Compiling web-sys v0.3.5
Dec 02 11:48:25.443 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 11:48:25.443 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-bindgen-0.2.28/src/lib.rs:10:34
Dec 02 11:48:25.443 INFO [stderr]    |
Dec 02 11:48:25.443 INFO [stderr] 10 | #![cfg_attr(feature = "nightly", feature(unsize))]
Dec 02 11:48:25.443 INFO [stderr]    |                                  ^^^^^^^^^^^^^^^^
Dec 02 11:48:25.443 INFO [stderr] 
Dec 02 11:48:25.467 INFO [stderr] error: aborting due to previous error
Dec 02 11:48:25.467 INFO [stderr] 
Dec 02 11:48:25.467 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 11:48:25.479 INFO [stderr] error: Could not compile `wasm-bindgen`.
Dec 02 11:48:25.479 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 11:48:32.856 INFO [stderr] error: build failed
Dec 02 11:48:32.858 INFO [stderr] su: No module specific data is present
Dec 02 11:48:33.155 INFO running `"docker" "inspect" "826cd2bf2c37b9bbe7b3178cadee4ede21ab47b98fe75b0a3afcce959669ed4e"`
Dec 02 11:48:33.288 INFO running `"docker" "rm" "-f" "826cd2bf2c37b9bbe7b3178cadee4ede21ab47b98fe75b0a3afcce959669ed4e"`
Dec 02 11:48:33.463 INFO [stdout] 826cd2bf2c37b9bbe7b3178cadee4ede21ab47b98fe75b0a3afcce959669ed4e