Dec 02 01:43:59.161 INFO testing acsearle/barc against 1.30.1 for beta-1.31-5
Dec 02 01:43:59.161 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 02 01:43:59.378 INFO [stdout] 90300d0e5c6c6bc457b001dc39893f58bd14c99c54060c48f7d7188b09d59400
Dec 02 01:43:59.380 INFO running `"docker" "start" "-a" "90300d0e5c6c6bc457b001dc39893f58bd14c99c54060c48f7d7188b09d59400"`
Dec 02 01:43:59.740 INFO [stderr] usermod: no changes
Dec 02 01:43:59.765 INFO [stderr]    Compiling barc v0.1.0 (/source)
Dec 02 01:44:00.115 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 01:44:00.116 INFO [stderr]   --> src/lib.rs:78:1
Dec 02 01:44:00.116 INFO [stderr]    |
Dec 02 01:44:00.116 INFO [stderr] 78 | #![feature(cfg_target_has_atomic)]
Dec 02 01:44:00.116 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:44:00.116 INFO [stderr] 
Dec 02 01:44:00.116 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 01:44:00.116 INFO [stderr]   --> src/lib.rs:81:1
Dec 02 01:44:00.116 INFO [stderr]    |
Dec 02 01:44:00.116 INFO [stderr] 81 | #![feature(allocator_api)]
Dec 02 01:44:00.116 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:44:00.116 INFO [stderr] 
Dec 02 01:44:00.116 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 01:44:00.116 INFO [stderr]   --> src/lib.rs:82:1
Dec 02 01:44:00.116 INFO [stderr]    |
Dec 02 01:44:00.116 INFO [stderr] 82 | #![feature(box_into_raw_non_null)]
Dec 02 01:44:00.116 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:44:00.116 INFO [stderr] 
Dec 02 01:44:00.116 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 01:44:00.116 INFO [stderr]   --> src/lib.rs:83:1
Dec 02 01:44:00.116 INFO [stderr]    |
Dec 02 01:44:00.116 INFO [stderr] 83 | #![feature(extern_prelude)]
Dec 02 01:44:00.116 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 01:44:00.116 INFO [stderr] 
Dec 02 01:44:00.117 INFO [stderr] error: aborting due to 4 previous errors
Dec 02 01:44:00.117 INFO [stderr] 
Dec 02 01:44:00.117 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 01:44:00.122 INFO [stderr] error: Could not compile `barc`.
Dec 02 01:44:00.122 INFO [stderr] 
Dec 02 01:44:00.122 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 01:44:00.124 INFO [stderr] su: No module specific data is present
Dec 02 01:44:00.425 INFO running `"docker" "inspect" "90300d0e5c6c6bc457b001dc39893f58bd14c99c54060c48f7d7188b09d59400"`
Dec 02 01:44:00.553 INFO running `"docker" "rm" "-f" "90300d0e5c6c6bc457b001dc39893f58bd14c99c54060c48f7d7188b09d59400"`
Dec 02 01:44:00.700 INFO [stdout] 90300d0e5c6c6bc457b001dc39893f58bd14c99c54060c48f7d7188b09d59400
