Dec 03 06:37:27.792 INFO testing greenwasm-binary-format-0.3.0 against 1.30.1 for beta-1.31-5
Dec 03 06:37:27.792 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 03 06:37:28.107 INFO [stdout] f2a99c686b396da5d730615aafb515f404a41b5f274c14a0a6dd53a0460e9689
Dec 03 06:37:28.112 INFO running `"docker" "start" "-a" "f2a99c686b396da5d730615aafb515f404a41b5f274c14a0a6dd53a0460e9689"`
Dec 03 06:37:28.661 INFO [stderr] usermod: no changes
Dec 03 06:37:28.714 INFO [stderr]    Compiling smallvec v0.6.7
Dec 03 06:37:28.714 INFO [stderr]    Compiling nom v4.1.1
Dec 03 06:37:29.470 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 06:37:29.470 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-0.6.7/lib.rs:33:32
Dec 03 06:37:29.470 INFO [stderr]    |
Dec 03 06:37:29.470 INFO [stderr] 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
Dec 03 06:37:29.470 INFO [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 06:37:29.470 INFO [stderr] 
Dec 03 06:37:29.475 INFO [stderr] error: aborting due to previous error
Dec 03 06:37:29.475 INFO [stderr] 
Dec 03 06:37:29.475 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 06:37:29.479 INFO [stderr] error: Could not compile `smallvec`.
Dec 03 06:37:29.479 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 06:37:31.581 INFO [stderr] error: build failed
Dec 03 06:37:31.582 INFO [stderr] su: No module specific data is present
Dec 03 06:37:31.904 INFO running `"docker" "inspect" "f2a99c686b396da5d730615aafb515f404a41b5f274c14a0a6dd53a0460e9689"`
Dec 03 06:37:31.992 INFO running `"docker" "rm" "-f" "f2a99c686b396da5d730615aafb515f404a41b5f274c14a0a6dd53a0460e9689"`
Dec 03 06:37:32.092 INFO [stdout] f2a99c686b396da5d730615aafb515f404a41b5f274c14a0a6dd53a0460e9689