Dec 02 22:13:18.414 INFO testing portus-0.4.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 22:13:18.415 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 22:13:18.752 INFO [stdout] 1182f7e62c1887125223f69b003184a3d66c7b6e60b38f9a2704a37b292229dc
Dec 02 22:13:18.759 INFO running `"docker" "start" "-a" "1182f7e62c1887125223f69b003184a3d66c7b6e60b38f9a2704a37b292229dc"`
Dec 02 22:13:19.555 INFO [stderr] usermod: no changes
Dec 02 22:13:19.738 INFO [stderr]    Compiling syn v0.13.11
Dec 02 22:13:36.877 INFO [stderr]    Compiling portus v0.4.2 (/source)
Dec 02 22:13:39.311 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:13:39.311 INFO [stderr]   --> src/lib.rs:69:1
Dec 02 22:13:39.311 INFO [stderr]    |
Dec 02 22:13:39.311 INFO [stderr] 69 | #![feature(box_patterns)]
Dec 02 22:13:39.311 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:13:39.311 INFO [stderr] 
Dec 02 22:13:39.311 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:13:39.311 INFO [stderr]   --> src/lib.rs:70:1
Dec 02 22:13:39.311 INFO [stderr]    |
Dec 02 22:13:39.311 INFO [stderr] 70 | #![feature(test)]
Dec 02 22:13:39.311 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 02 22:13:39.311 INFO [stderr] 
Dec 02 22:13:39.311 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:13:39.311 INFO [stderr]   --> src/lib.rs:71:1
Dec 02 22:13:39.311 INFO [stderr]    |
Dec 02 22:13:39.311 INFO [stderr] 71 | #![feature(never_type)]
Dec 02 22:13:39.311 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:13:39.311 INFO [stderr] 
Dec 02 22:13:39.311 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:13:39.311 INFO [stderr]   --> src/lib.rs:72:1
Dec 02 22:13:39.311 INFO [stderr]    |
Dec 02 22:13:39.311 INFO [stderr] 72 | #![feature(integer_atomics)]
Dec 02 22:13:39.311 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:13:39.311 INFO [stderr] 
Dec 02 22:13:39.326 INFO [stderr] error: aborting due to 4 previous errors
Dec 02 22:13:39.326 INFO [stderr] 
Dec 02 22:13:39.326 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:13:39.338 INFO [stderr] error: Could not compile `portus`.
Dec 02 22:13:39.338 INFO [stderr] 
Dec 02 22:13:39.338 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 22:13:39.348 INFO [stderr] su: No module specific data is present
Dec 02 22:13:39.912 INFO running `"docker" "inspect" "1182f7e62c1887125223f69b003184a3d66c7b6e60b38f9a2704a37b292229dc"`
Dec 02 22:13:40.177 INFO running `"docker" "rm" "-f" "1182f7e62c1887125223f69b003184a3d66c7b6e60b38f9a2704a37b292229dc"`
Dec 02 22:13:40.335 INFO [stdout] 1182f7e62c1887125223f69b003184a3d66c7b6e60b38f9a2704a37b292229dc