Dec 02 11:24:48.621 INFO testing wasm-core-0.2.15 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 11:24:48.621 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 02 11:24:49.063 INFO [stdout] 27688fb87b18b08d09abcf1d00d7895898823093bf1e8d8d3dedd124965acaaa
Dec 02 11:24:49.065 INFO running `"docker" "start" "-a" "27688fb87b18b08d09abcf1d00d7895898823093bf1e8d8d3dedd124965acaaa"`
Dec 02 11:24:50.363 INFO [stderr] usermod: no changes
Dec 02 11:24:50.508 INFO [stderr]    Compiling bincode v1.0.1
Dec 02 11:24:50.508 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 02 11:25:09.041 INFO [stderr]    Compiling wasm-core v0.2.15 (/source)
Dec 02 11:25:10.463 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 11:25:10.463 INFO [stderr]  --> src/lib.rs:3:1
Dec 02 11:25:10.463 INFO [stderr]   |
Dec 02 11:25:10.463 INFO [stderr] 3 | #![feature(alloc)]
Dec 02 11:25:10.463 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 02 11:25:10.463 INFO [stderr] 
Dec 02 11:25:10.463 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 11:25:10.463 INFO [stderr]  --> src/lib.rs:4:1
Dec 02 11:25:10.463 INFO [stderr]   |
Dec 02 11:25:10.463 INFO [stderr] 4 | #![feature(nll)]
Dec 02 11:25:10.463 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 11:25:10.463 INFO [stderr] 
Dec 02 11:25:10.463 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 11:25:10.463 INFO [stderr]  --> src/lib.rs:5:1
Dec 02 11:25:10.463 INFO [stderr]   |
Dec 02 11:25:10.463 INFO [stderr] 5 | #![feature(core_intrinsics)]
Dec 02 11:25:10.463 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:25:10.463 INFO [stderr] 
Dec 02 11:25:10.463 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 11:25:10.463 INFO [stderr]  --> src/lib.rs:6:1
Dec 02 11:25:10.463 INFO [stderr]   |
Dec 02 11:25:10.463 INFO [stderr] 6 | #![feature(underscore_lifetimes)]
Dec 02 11:25:10.463 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:25:10.463 INFO [stderr] 
Dec 02 11:25:10.463 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 11:25:10.463 INFO [stderr]  --> src/lib.rs:7:1
Dec 02 11:25:10.463 INFO [stderr]   |
Dec 02 11:25:10.463 INFO [stderr] 7 | #![feature(test)]
Dec 02 11:25:10.463 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 02 11:25:10.463 INFO [stderr] 
Dec 02 11:25:10.491 INFO [stderr] error: aborting due to 5 previous errors
Dec 02 11:25:10.491 INFO [stderr] 
Dec 02 11:25:10.491 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 11:25:10.505 INFO [stderr] error: Could not compile `wasm-core`.
Dec 02 11:25:10.505 INFO [stderr] 
Dec 02 11:25:10.505 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 11:25:10.505 INFO [stderr] su: No module specific data is present
Dec 02 11:25:11.181 INFO running `"docker" "inspect" "27688fb87b18b08d09abcf1d00d7895898823093bf1e8d8d3dedd124965acaaa"`
Dec 02 11:25:11.495 INFO running `"docker" "rm" "-f" "27688fb87b18b08d09abcf1d00d7895898823093bf1e8d8d3dedd124965acaaa"`
Dec 02 11:25:11.717 INFO [stdout] 27688fb87b18b08d09abcf1d00d7895898823093bf1e8d8d3dedd124965acaaa