Dec 03 04:53:01.674 INFO testing incr-0.2.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 04:53:01.674 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 03 04:53:01.865 INFO [stdout] 50b0245abe5e44186393a0dfac679973fdb624565b418661e42f3602ad37eff8
Dec 03 04:53:01.867 INFO running `"docker" "start" "-a" "50b0245abe5e44186393a0dfac679973fdb624565b418661e42f3602ad37eff8"`
Dec 03 04:53:02.248 INFO [stderr] usermod: no changes
Dec 03 04:53:02.275 INFO [stderr]    Compiling incr v0.2.0 (/source)
Dec 03 04:53:02.755 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 04:53:02.755 INFO [stderr]   --> src/lib.rs:31:34
Dec 03 04:53:02.755 INFO [stderr]    |
Dec 03 04:53:02.755 INFO [stderr] 31 | #![cfg_attr(feature = "nightly", feature(integer_atomics, test))]
Dec 03 04:53:02.755 INFO [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 04:53:02.755 INFO [stderr] 
Dec 03 04:53:02.759 INFO [stderr] error: aborting due to previous error
Dec 03 04:53:02.759 INFO [stderr] 
Dec 03 04:53:02.759 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 04:53:02.762 INFO [stderr] error: Could not compile `incr`.
Dec 03 04:53:02.762 INFO [stderr] 
Dec 03 04:53:02.763 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 04:53:02.764 INFO [stderr] su: No module specific data is present
Dec 03 04:53:03.055 INFO running `"docker" "inspect" "50b0245abe5e44186393a0dfac679973fdb624565b418661e42f3602ad37eff8"`
Dec 03 04:53:03.120 INFO running `"docker" "rm" "-f" "50b0245abe5e44186393a0dfac679973fdb624565b418661e42f3602ad37eff8"`
Dec 03 04:53:03.207 INFO [stdout] 50b0245abe5e44186393a0dfac679973fdb624565b418661e42f3602ad37eff8