Dec 02 13:06:05.704 INFO testing trench-0.3.0 against 1.30.1 for beta-1.31-5
Dec 02 13:06:05.705 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 02 13:06:05.914 INFO [stdout] e324df2f25f87fe7d4077edf38c9e874223b0f5f8ec8c8b25aab135081cfbc59
Dec 02 13:06:05.916 INFO running `"docker" "start" "-a" "e324df2f25f87fe7d4077edf38c9e874223b0f5f8ec8c8b25aab135081cfbc59"`
Dec 02 13:06:06.368 INFO [stderr] usermod: no changes
Dec 02 13:06:06.398 INFO [stderr]    Compiling trench v0.3.0 (/source)
Dec 02 13:06:06.975 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 13:06:06.976 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 13:06:06.976 INFO [stderr]   |
Dec 02 13:06:06.976 INFO [stderr] 1 | #![feature(asm)]
Dec 02 13:06:06.976 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 13:06:06.976 INFO [stderr] 
Dec 02 13:06:06.976 INFO [stderr] error: aborting due to previous error
Dec 02 13:06:06.976 INFO [stderr] 
Dec 02 13:06:06.976 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 13:06:06.982 INFO [stderr] error: Could not compile `trench`.
Dec 02 13:06:06.982 INFO [stderr] 
Dec 02 13:06:06.982 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 13:06:06.983 INFO [stderr] su: No module specific data is present
Dec 02 13:06:08.144 INFO running `"docker" "inspect" "e324df2f25f87fe7d4077edf38c9e874223b0f5f8ec8c8b25aab135081cfbc59"`
Dec 02 13:06:08.396 INFO running `"docker" "rm" "-f" "e324df2f25f87fe7d4077edf38c9e874223b0f5f8ec8c8b25aab135081cfbc59"`
Dec 02 13:06:08.739 INFO [stdout] e324df2f25f87fe7d4077edf38c9e874223b0f5f8ec8c8b25aab135081cfbc59