Dec 02 13:11:43.716 INFO testing trait_derive-0.1.0 against 1.30.1 for beta-1.31-5
Dec 02 13:11:43.716 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13:11:44.135 INFO [stdout] 4a4500e3a768d6d406a2a0d15cadf8978d4fae8cde52e7d8ca21d0af5dda9e4c
Dec 02 13:11:44.143 INFO running `"docker" "start" "-a" "4a4500e3a768d6d406a2a0d15cadf8978d4fae8cde52e7d8ca21d0af5dda9e4c"`
Dec 02 13:11:44.839 INFO [stderr] usermod: no changes
Dec 02 13:11:44.886 INFO [stderr]    Compiling trait_derive_core v0.1.0
Dec 02 13:11:47.897 INFO [stderr]    Compiling trait_derive v0.1.0 (/source)
Dec 02 13:11:50.828 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 13:11:50.828 INFO [stderr]   --> src/lib.rs:25:1
Dec 02 13:11:50.828 INFO [stderr]    |
Dec 02 13:11:50.828 INFO [stderr] 25 | #![feature(proc_macro)]
Dec 02 13:11:50.828 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 13:11:50.828 INFO [stderr] 
Dec 02 13:11:50.828 INFO [stderr] error: aborting due to previous error
Dec 02 13:11:50.828 INFO [stderr] 
Dec 02 13:11:50.828 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 13:11:50.828 INFO [stderr] error: Could not compile `trait_derive`.
Dec 02 13:11:50.828 INFO [stderr] 
Dec 02 13:11:50.828 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 13:11:50.829 INFO [stderr] su: No module specific data is present
Dec 02 13:11:51.485 INFO running `"docker" "inspect" "4a4500e3a768d6d406a2a0d15cadf8978d4fae8cde52e7d8ca21d0af5dda9e4c"`
Dec 02 13:11:51.706 INFO running `"docker" "rm" "-f" "4a4500e3a768d6d406a2a0d15cadf8978d4fae8cde52e7d8ca21d0af5dda9e4c"`
Dec 02 13:11:52.083 INFO [stdout] 4a4500e3a768d6d406a2a0d15cadf8978d4fae8cde52e7d8ca21d0af5dda9e4c