Dec 02 05:09:02.570 INFO testing MrWint/smb-opt against 1.30.1 for beta-1.31-5
Dec 02 05:09:02.570 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 05:09:02.863 INFO [stdout] 38e3311a7783df30772a74232aae4e3f188e5973482d13c5dccf3657632ff3cf
Dec 02 05:09:02.865 INFO running `"docker" "start" "-a" "38e3311a7783df30772a74232aae4e3f188e5973482d13c5dccf3657632ff3cf"`
Dec 02 05:09:03.287 INFO [stderr] usermod: no changes
Dec 02 05:09:03.347 INFO [stderr]    Compiling bitpack v0.2.1
Dec 02 05:09:03.511 INFO [stderr]    Compiling smb-opt v0.1.0 (/source)
Dec 02 05:09:04.271 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 05:09:04.271 INFO [stderr]  --> src/main.rs:1:1
Dec 02 05:09:04.272 INFO [stderr]   |
Dec 02 05:09:04.272 INFO [stderr] 1 | #![feature(associated_type_defaults)]
Dec 02 05:09:04.272 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 05:09:04.272 INFO [stderr] 
Dec 02 05:09:04.273 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 05:09:04.273 INFO [stderr]  --> src/main.rs:2:1
Dec 02 05:09:04.273 INFO [stderr]   |
Dec 02 05:09:04.274 INFO [stderr] 2 | #![feature(fixed_size_array)]
Dec 02 05:09:04.274 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 05:09:04.274 INFO [stderr] 
Dec 02 05:09:04.299 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 05:09:04.299 INFO [stderr] 
Dec 02 05:09:04.300 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 05:09:04.307 INFO [stderr] error: Could not compile `smb-opt`.
Dec 02 05:09:04.307 INFO [stderr] 
Dec 02 05:09:04.307 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 05:09:04.309 INFO [stderr] su: No module specific data is present
Dec 02 05:09:04.554 INFO running `"docker" "inspect" "38e3311a7783df30772a74232aae4e3f188e5973482d13c5dccf3657632ff3cf"`
Dec 02 05:09:04.649 INFO running `"docker" "rm" "-f" "38e3311a7783df30772a74232aae4e3f188e5973482d13c5dccf3657632ff3cf"`
Dec 02 05:09:04.755 INFO [stdout] 38e3311a7783df30772a74232aae4e3f188e5973482d13c5dccf3657632ff3cf