Dec 03 02:10:48.283 INFO testing mapcomp-0.1.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 02:10:48.283 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 02:10:48.570 INFO [stdout] b1d43d1c53d475e33e4c090b4cff0976ed8e5b4bb1e2836c561f9d210555e1a2
Dec 03 02:10:48.572 INFO running `"docker" "start" "-a" "b1d43d1c53d475e33e4c090b4cff0976ed8e5b4bb1e2836c561f9d210555e1a2"`
Dec 03 02:10:49.124 INFO [stderr] usermod: no changes
Dec 03 02:10:49.154 INFO [stderr]    Compiling mapcomp v0.1.3 (/source)
Dec 03 02:10:49.690 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 02:10:49.690 INFO [stderr]   --> src/lib.rs:50:1
Dec 03 02:10:49.690 INFO [stderr]    |
Dec 03 02:10:49.690 INFO [stderr] 50 | #![feature(generators, generator_trait)]
Dec 03 02:10:49.690 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 02:10:49.690 INFO [stderr] 
Dec 03 02:10:49.690 INFO [stderr] error: aborting due to previous error
Dec 03 02:10:49.690 INFO [stderr] 
Dec 03 02:10:49.690 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 02:10:49.691 INFO [stderr] error: Could not compile `mapcomp`.
Dec 03 02:10:49.691 INFO [stderr] 
Dec 03 02:10:49.691 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 02:10:49.692 INFO [stderr] su: No module specific data is present
Dec 03 02:10:50.065 INFO running `"docker" "inspect" "b1d43d1c53d475e33e4c090b4cff0976ed8e5b4bb1e2836c561f9d210555e1a2"`
Dec 03 02:10:50.231 INFO running `"docker" "rm" "-f" "b1d43d1c53d475e33e4c090b4cff0976ed8e5b4bb1e2836c561f9d210555e1a2"`
Dec 03 02:10:50.414 INFO [stdout] b1d43d1c53d475e33e4c090b4cff0976ed8e5b4bb1e2836c561f9d210555e1a2
