Dec 03 14:21:08.636 INFO testing derbyjson-0.0.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 14:21:08.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 14:21:08.886 INFO [stdout] 1a623feeb4c667f86702b61f98413411256233291595e7cc8e2a36bee48257d6
Dec 03 14:21:08.888 INFO running `"docker" "start" "-a" "1a623feeb4c667f86702b61f98413411256233291595e7cc8e2a36bee48257d6"`
Dec 03 14:21:09.439 INFO [stderr] usermod: no changes
Dec 03 14:21:09.499 INFO [stderr]    Compiling derbyjson v0.0.3 (/source)
Dec 03 14:21:10.857 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 14:21:10.857 INFO [stderr]  --> src/lib.rs:4:1
Dec 03 14:21:10.857 INFO [stderr]   |
Dec 03 14:21:10.857 INFO [stderr] 4 | #![feature(custom_attribute)]
Dec 03 14:21:10.857 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:21:10.857 INFO [stderr] 
Dec 03 14:21:10.878 INFO [stderr] error: aborting due to previous error
Dec 03 14:21:10.878 INFO [stderr] 
Dec 03 14:21:10.878 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:21:10.890 INFO [stderr] error: Could not compile `derbyjson`.
Dec 03 14:21:10.890 INFO [stderr] 
Dec 03 14:21:10.890 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:21:10.892 INFO [stderr] su: No module specific data is present
Dec 03 14:21:11.230 INFO running `"docker" "inspect" "1a623feeb4c667f86702b61f98413411256233291595e7cc8e2a36bee48257d6"`
Dec 03 14:21:11.399 INFO running `"docker" "rm" "-f" "1a623feeb4c667f86702b61f98413411256233291595e7cc8e2a36bee48257d6"`
Dec 03 14:21:11.566 INFO [stdout] 1a623feeb4c667f86702b61f98413411256233291595e7cc8e2a36bee48257d6