Dec 03 05:44:34.253 INFO testing hotswap-runtime-0.2.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 05:44:34.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 03 05:44:34.887 INFO [stdout] 058abec4b7908ea07e075f310055ed479aabc16285cc2bc81ed441ee7d4dde09
Dec 03 05:44:34.889 INFO running `"docker" "start" "-a" "058abec4b7908ea07e075f310055ed479aabc16285cc2bc81ed441ee7d4dde09"`
Dec 03 05:44:36.787 INFO [stderr] usermod: no changes
Dec 03 05:44:36.911 INFO [stderr]    Compiling libloading v0.4.3
Dec 03 05:44:36.915 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 03 05:44:38.043 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 05:44:38.043 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Dec 03 05:44:38.043 INFO [stderr]    |
Dec 03 05:44:38.043 INFO [stderr] 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Dec 03 05:44:38.043 INFO [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 05:44:38.043 INFO [stderr] 
Dec 03 05:44:38.045 INFO [stderr] error: aborting due to previous error
Dec 03 05:44:38.045 INFO [stderr] 
Dec 03 05:44:38.046 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 05:44:38.052 INFO [stderr] error: Could not compile `parking_lot_core`.
Dec 03 05:44:38.053 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 05:44:38.403 INFO [stderr] error: build failed
Dec 03 05:44:38.405 INFO [stderr] su: No module specific data is present
Dec 03 05:44:41.516 INFO running `"docker" "inspect" "058abec4b7908ea07e075f310055ed479aabc16285cc2bc81ed441ee7d4dde09"`
Dec 03 05:44:41.672 INFO running `"docker" "rm" "-f" "058abec4b7908ea07e075f310055ed479aabc16285cc2bc81ed441ee7d4dde09"`
Dec 03 05:44:41.806 INFO [stdout] 058abec4b7908ea07e075f310055ed479aabc16285cc2bc81ed441ee7d4dde09