Dec 03 14:40:10.335 INFO testing cvctl-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 14:40:10.335 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 14:40:10.504 INFO [stdout] 34331f39ce0777b1bbef87cdce7051cf09e3a55a319d3515dc2b19dfbaae1b13
Dec 03 14:40:10.505 INFO running `"docker" "start" "-a" "34331f39ce0777b1bbef87cdce7051cf09e3a55a319d3515dc2b19dfbaae1b13"`
Dec 03 14:40:10.882 INFO [stderr] usermod: no changes
Dec 03 14:40:10.962 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 03 14:40:10.962 INFO [stderr]    Compiling parity-wasm v0.27.6
Dec 03 14:40:25.182 INFO [stderr]    Compiling wasm-core v0.2.15
Dec 03 14:40:26.771 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:40:26.771 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:3:1
Dec 03 14:40:26.771 INFO [stderr]   |
Dec 03 14:40:26.771 INFO [stderr] 3 | #![feature(alloc)]
Dec 03 14:40:26.771 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 03 14:40:26.771 INFO [stderr] 
Dec 03 14:40:26.771 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:40:26.771 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:4:1
Dec 03 14:40:26.771 INFO [stderr]   |
Dec 03 14:40:26.771 INFO [stderr] 4 | #![feature(nll)]
Dec 03 14:40:26.771 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 03 14:40:26.771 INFO [stderr] 
Dec 03 14:40:26.771 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:40:26.771 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:5:1
Dec 03 14:40:26.771 INFO [stderr]   |
Dec 03 14:40:26.771 INFO [stderr] 5 | #![feature(core_intrinsics)]
Dec 03 14:40:26.771 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:40:26.771 INFO [stderr] 
Dec 03 14:40:26.771 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:40:26.771 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:6:1
Dec 03 14:40:26.771 INFO [stderr]   |
Dec 03 14:40:26.771 INFO [stderr] 6 | #![feature(underscore_lifetimes)]
Dec 03 14:40:26.771 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:40:26.771 INFO [stderr] 
Dec 03 14:40:26.771 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:40:26.771 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-core-0.2.15/src/lib.rs:7:1
Dec 03 14:40:26.771 INFO [stderr]   |
Dec 03 14:40:26.771 INFO [stderr] 7 | #![feature(test)]
Dec 03 14:40:26.771 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 03 14:40:26.771 INFO [stderr] 
Dec 03 14:40:26.811 INFO [stderr] error: aborting due to 5 previous errors
Dec 03 14:40:26.811 INFO [stderr] 
Dec 03 14:40:26.811 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:40:26.819 INFO [stderr] error: Could not compile `wasm-core`.
Dec 03 14:40:26.819 INFO [stderr] 
Dec 03 14:40:26.819 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:40:26.820 INFO [stderr] su: No module specific data is present
Dec 03 14:40:27.335 INFO running `"docker" "inspect" "34331f39ce0777b1bbef87cdce7051cf09e3a55a319d3515dc2b19dfbaae1b13"`
Dec 03 14:40:27.500 INFO running `"docker" "rm" "-f" "34331f39ce0777b1bbef87cdce7051cf09e3a55a319d3515dc2b19dfbaae1b13"`
Dec 03 14:40:27.671 INFO [stdout] 34331f39ce0777b1bbef87cdce7051cf09e3a55a319d3515dc2b19dfbaae1b13