Dec 03 04:18:23.722 INFO testing jam-0.0.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 04:18:23.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 04:18:24.060 INFO [stdout] b0c03410798c4846e6944738d222e2915b40a67f975a657f6d16df8d04d553fb
Dec 03 04:18:24.065 INFO running `"docker" "start" "-a" "b0c03410798c4846e6944738d222e2915b40a67f975a657f6d16df8d04d553fb"`
Dec 03 04:18:24.575 INFO [stderr] usermod: no changes
Dec 03 04:18:24.624 INFO [stderr]    Compiling jam_derive v0.0.1
Dec 03 04:18:24.624 INFO [stderr]    Compiling bincode v0.7.0
Dec 03 04:18:27.924 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 04:18:27.924 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/jam_derive-0.0.1/src/lib.rs:34:1
Dec 03 04:18:27.924 INFO [stderr]    |
Dec 03 04:18:27.924 INFO [stderr] 34 | #![feature(proc_macro, proc_macro_lib)]
Dec 03 04:18:27.924 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 04:18:27.924 INFO [stderr] 
Dec 03 04:18:27.924 INFO [stderr] error: aborting due to previous error
Dec 03 04:18:27.924 INFO [stderr] 
Dec 03 04:18:27.924 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 04:18:27.931 INFO [stderr] error: Could not compile `jam_derive`.
Dec 03 04:18:27.931 INFO [stderr] 
Dec 03 04:18:27.931 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 04:18:27.931 INFO [stderr] su: No module specific data is present
Dec 03 04:18:28.600 INFO running `"docker" "inspect" "b0c03410798c4846e6944738d222e2915b40a67f975a657f6d16df8d04d553fb"`
Dec 03 04:18:28.853 INFO running `"docker" "rm" "-f" "b0c03410798c4846e6944738d222e2915b40a67f975a657f6d16df8d04d553fb"`
Dec 03 04:18:29.086 INFO [stdout] b0c03410798c4846e6944738d222e2915b40a67f975a657f6d16df8d04d553fb