Dec 03 20:01:40.538 INFO testing adapton-0.3.30 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 20:01:40.538 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 20:01:40.731 INFO [stdout] 01c5423a89a3521265a3a7227309e5c9cb5474a7a236ab88bede095ca678c1a8
Dec 03 20:01:40.736 INFO running `"docker" "start" "-a" "01c5423a89a3521265a3a7227309e5c9cb5474a7a236ab88bede095ca678c1a8"`
Dec 03 20:01:41.303 INFO [stderr] usermod: no changes
Dec 03 20:01:41.330 INFO [stderr]    Compiling adapton v0.3.30 (/source)
Dec 03 20:01:42.041 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 20:01:42.041 INFO [stderr]     --> src/lib.rs:1399:1
Dec 03 20:01:42.041 INFO [stderr]      |
Dec 03 20:01:42.041 INFO [stderr] 1399 | #![feature(box_patterns)]
Dec 03 20:01:42.041 INFO [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:01:42.041 INFO [stderr] 
Dec 03 20:01:42.041 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 20:01:42.041 INFO [stderr]     --> src/lib.rs:1400:1
Dec 03 20:01:42.041 INFO [stderr]      |
Dec 03 20:01:42.041 INFO [stderr] 1400 | #![feature(box_syntax)]
Dec 03 20:01:42.041 INFO [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:01:42.041 INFO [stderr] 
Dec 03 20:01:42.059 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 20:01:42.059 INFO [stderr] 
Dec 03 20:01:42.059 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 20:01:42.066 INFO [stderr] error: Could not compile `adapton`.
Dec 03 20:01:42.066 INFO [stderr] 
Dec 03 20:01:42.066 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 20:01:42.066 INFO [stderr] su: No module specific data is present
Dec 03 20:01:42.549 INFO running `"docker" "inspect" "01c5423a89a3521265a3a7227309e5c9cb5474a7a236ab88bede095ca678c1a8"`
Dec 03 20:01:42.742 INFO running `"docker" "rm" "-f" "01c5423a89a3521265a3a7227309e5c9cb5474a7a236ab88bede095ca678c1a8"`
Dec 03 20:01:42.892 INFO [stdout] 01c5423a89a3521265a3a7227309e5c9cb5474a7a236ab88bede095ca678c1a8