Dec 03 14:27:00.127 INFO testing debug_sat-0.4.0 against 1.30.1 for beta-1.31-5
Dec 03 14:27:00.127 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/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 +1.30.1 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 14:27:00.323 INFO [stdout] 0b40ab9955bee2733cee85ff80d993319a6fd9a91a1156afe3cb397d02c3e00a
Dec 03 14:27:00.328 INFO running `"docker" "start" "-a" "0b40ab9955bee2733cee85ff80d993319a6fd9a91a1156afe3cb397d02c3e00a"`
Dec 03 14:27:00.947 INFO [stderr] usermod: no changes
Dec 03 14:27:01.023 INFO [stderr]    Compiling debug_sat v0.4.0 (/source)
Dec 03 14:27:02.543 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 03 14:27:02.543 INFO [stderr] su: No module specific data is present
Dec 03 14:27:02.959 INFO running `"docker" "inspect" "0b40ab9955bee2733cee85ff80d993319a6fd9a91a1156afe3cb397d02c3e00a"`
Dec 03 14:27:03.104 INFO running `"docker" "rm" "-f" "0b40ab9955bee2733cee85ff80d993319a6fd9a91a1156afe3cb397d02c3e00a"`
Dec 03 14:27:03.293 INFO [stdout] 0b40ab9955bee2733cee85ff80d993319a6fd9a91a1156afe3cb397d02c3e00a
Dec 03 14:27:03.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-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 14:27:03.742 INFO [stdout] 2911f85df79b9a3cf7c1b630513535a244cd84cb7d6906f6472549321be2aad8
Dec 03 14:27:03.748 INFO running `"docker" "start" "-a" "2911f85df79b9a3cf7c1b630513535a244cd84cb7d6906f6472549321be2aad8"`
Dec 03 14:27:05.007 INFO [stderr] usermod: no changes
Dec 03 14:27:05.047 INFO [stderr]    Compiling debug_sat v0.4.0 (/source)
Dec 03 14:27:06.011 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:27:06.011 INFO [stderr]    --> src/lib.rs:115:19
Dec 03 14:27:06.011 INFO [stderr]     |
Dec 03 14:27:06.011 INFO [stderr] 115 | #![cfg_attr(test, feature(test))]
Dec 03 14:27:06.011 INFO [stderr]     |                   ^^^^^^^^^^^^^^
Dec 03 14:27:06.011 INFO [stderr] 
Dec 03 14:27:06.016 INFO [stderr] error: aborting due to previous error
Dec 03 14:27:06.016 INFO [stderr] 
Dec 03 14:27:06.016 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:27:06.019 INFO [stderr] error: Could not compile `debug_sat`.
Dec 03 14:27:06.023 INFO [stderr] 
Dec 03 14:27:06.023 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:27:06.023 INFO [stderr] su: No module specific data is present
Dec 03 14:27:06.763 INFO running `"docker" "inspect" "2911f85df79b9a3cf7c1b630513535a244cd84cb7d6906f6472549321be2aad8"`
Dec 03 14:27:06.973 INFO running `"docker" "rm" "-f" "2911f85df79b9a3cf7c1b630513535a244cd84cb7d6906f6472549321be2aad8"`
Dec 03 14:27:07.275 INFO [stdout] 2911f85df79b9a3cf7c1b630513535a244cd84cb7d6906f6472549321be2aad8