Dec 02 21:22:31.613 INFO testing quickcheck_macros-0.7.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 21:22:31.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 21:22:32.043 INFO [stdout] 785a4984e4e2abb874ba2553c40a25e2050583cde9b2a224d82948c8a000500d
Dec 02 21:22:32.045 INFO running `"docker" "start" "-a" "785a4984e4e2abb874ba2553c40a25e2050583cde9b2a224d82948c8a000500d"`
Dec 02 21:22:33.369 INFO [stderr] usermod: no changes
Dec 02 21:22:33.486 INFO [stderr]    Compiling quickcheck v0.7.2
Dec 02 21:22:37.795 INFO [stderr]    Compiling quickcheck_macros v0.7.0 (/source)
Dec 02 21:22:42.819 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 21:22:42.819 INFO [stderr]  --> src/lib.rs:8:1
Dec 02 21:22:42.819 INFO [stderr]   |
Dec 02 21:22:42.819 INFO [stderr] 8 | #![feature(plugin_registrar, rustc_private)]
Dec 02 21:22:42.819 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 21:22:42.819 INFO [stderr] 
Dec 02 21:22:42.819 INFO [stderr] error: aborting due to previous error
Dec 02 21:22:42.819 INFO [stderr] 
Dec 02 21:22:42.819 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 21:22:42.833 INFO [stderr] error: Could not compile `quickcheck_macros`.
Dec 02 21:22:42.833 INFO [stderr] 
Dec 02 21:22:42.833 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 21:22:42.834 INFO [stderr] su: No module specific data is present
Dec 02 21:22:43.569 INFO running `"docker" "inspect" "785a4984e4e2abb874ba2553c40a25e2050583cde9b2a224d82948c8a000500d"`
Dec 02 21:22:44.091 INFO running `"docker" "rm" "-f" "785a4984e4e2abb874ba2553c40a25e2050583cde9b2a224d82948c8a000500d"`
Dec 02 21:22:44.330 INFO [stdout] 785a4984e4e2abb874ba2553c40a25e2050583cde9b2a224d82948c8a000500d