Dec 02 15:18:10.928 INFO testing stpl-0.5.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 15:18:10.928 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 15:18:11.155 INFO [stdout] ccae816f268b4c7bbb6e8728ac203c811b4498d8a1602e610826e8bc698b5e8d
Dec 02 15:18:11.160 INFO running `"docker" "start" "-a" "ccae816f268b4c7bbb6e8728ac203c811b4498d8a1602e610826e8bc698b5e8d"`
Dec 02 15:18:11.629 INFO [stderr] usermod: no changes
Dec 02 15:18:11.687 INFO [stderr]    Compiling stpl v0.5.0 (/source)
Dec 02 15:18:12.771 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:18:12.771 INFO [stderr]    --> src/lib.rs:155:1
Dec 02 15:18:12.771 INFO [stderr]     |
Dec 02 15:18:12.771 INFO [stderr] 155 | #![feature(universal_impl_trait)]
Dec 02 15:18:12.771 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:18:12.771 INFO [stderr] 
Dec 02 15:18:12.771 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:18:12.771 INFO [stderr]    --> src/lib.rs:156:1
Dec 02 15:18:12.771 INFO [stderr]     |
Dec 02 15:18:12.771 INFO [stderr] 156 | #![feature(conservative_impl_trait)]
Dec 02 15:18:12.771 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:18:12.771 INFO [stderr] 
Dec 02 15:18:12.771 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:18:12.771 INFO [stderr]    --> src/lib.rs:157:1
Dec 02 15:18:12.771 INFO [stderr]     |
Dec 02 15:18:12.771 INFO [stderr] 157 | #![feature(unboxed_closures)]
Dec 02 15:18:12.771 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:18:12.771 INFO [stderr] 
Dec 02 15:18:12.771 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:18:12.771 INFO [stderr]    --> src/lib.rs:158:1
Dec 02 15:18:12.771 INFO [stderr]     |
Dec 02 15:18:12.771 INFO [stderr] 158 | #![feature(fn_traits)]
Dec 02 15:18:12.771 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:18:12.771 INFO [stderr] 
Dec 02 15:18:12.775 INFO [stderr] error: aborting due to 4 previous errors
Dec 02 15:18:12.775 INFO [stderr] 
Dec 02 15:18:12.775 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:18:12.778 INFO [stderr] error: Could not compile `stpl`.
Dec 02 15:18:12.778 INFO [stderr] 
Dec 02 15:18:12.778 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:18:12.780 INFO [stderr] su: No module specific data is present
Dec 02 15:18:13.507 INFO running `"docker" "inspect" "ccae816f268b4c7bbb6e8728ac203c811b4498d8a1602e610826e8bc698b5e8d"`
Dec 02 15:18:13.755 INFO running `"docker" "rm" "-f" "ccae816f268b4c7bbb6e8728ac203c811b4498d8a1602e610826e8bc698b5e8d"`
Dec 02 15:18:14.043 INFO [stdout] ccae816f268b4c7bbb6e8728ac203c811b4498d8a1602e610826e8bc698b5e8d