Dec 02 19:45:38.482 INFO testing rs_lockfree-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 19:45:38.482 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 19:45:38.971 INFO [stdout] 1ec0096de189a4f8b2982c767a6cb6e5fc936d88f44591f4356bad247d06137e
Dec 02 19:45:38.978 INFO running `"docker" "start" "-a" "1ec0096de189a4f8b2982c767a6cb6e5fc936d88f44591f4356bad247d06137e"`
Dec 02 19:45:39.871 INFO [stderr] usermod: no changes
Dec 02 19:45:39.940 INFO [stderr]    Compiling rs_lockfree v0.1.1 (/source)
Dec 02 19:45:40.871 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 19:45:40.871 INFO [stderr]   --> src/lib.rs:18:1
Dec 02 19:45:40.871 INFO [stderr]    |
Dec 02 19:45:40.871 INFO [stderr] 18 | #![feature(core_intrinsics)]
Dec 02 19:45:40.871 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 19:45:40.871 INFO [stderr] 
Dec 02 19:45:40.871 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 19:45:40.871 INFO [stderr]   --> src/lib.rs:19:1
Dec 02 19:45:40.871 INFO [stderr]    |
Dec 02 19:45:40.871 INFO [stderr] 19 | #![feature(raw)]
Dec 02 19:45:40.871 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 02 19:45:40.871 INFO [stderr] 
Dec 02 19:45:40.871 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 19:45:40.871 INFO [stderr] 
Dec 02 19:45:40.871 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 19:45:40.879 INFO [stderr] error: Could not compile `rs_lockfree`.
Dec 02 19:45:40.879 INFO [stderr] 
Dec 02 19:45:40.879 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 19:45:40.883 INFO [stderr] su: No module specific data is present
Dec 02 19:45:41.581 INFO running `"docker" "inspect" "1ec0096de189a4f8b2982c767a6cb6e5fc936d88f44591f4356bad247d06137e"`
Dec 02 19:45:41.831 INFO running `"docker" "rm" "-f" "1ec0096de189a4f8b2982c767a6cb6e5fc936d88f44591f4356bad247d06137e"`
Dec 02 19:45:42.127 INFO [stdout] 1ec0096de189a4f8b2982c767a6cb6e5fc936d88f44591f4356bad247d06137e