Nov 02 02:50:10.701 INFO testing test-case-derive-0.2.1 against 1.30.0 for beta-1.31-1
Nov 02 02:50:10.702 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 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"`
Nov 02 02:50:11.018 INFO blam! b27acd0726d938b9d7ec965a6b83f9557bbba33b527da5fcac3974201738057d
Nov 02 02:50:11.019 INFO running `"docker" "start" "-a" "b27acd0726d938b9d7ec965a6b83f9557bbba33b527da5fcac3974201738057d"`
Nov 02 02:50:12.390 INFO kablam! usermod: no changes
Nov 02 02:50:12.483 INFO kablam!    Compiling test-case-derive v0.2.1 (/source)
Nov 02 02:50:15.734 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 02:50:15.734 INFO kablam!    --> src/lib.rs:214:1
Nov 02 02:50:15.734 INFO kablam!     |
Nov 02 02:50:15.735 INFO kablam! 214 | #![feature(proc_macro)]
Nov 02 02:50:15.735 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:50:15.735 INFO kablam! 
Nov 02 02:50:15.736 INFO kablam! error: aborting due to previous error
Nov 02 02:50:15.737 INFO kablam! 
Nov 02 02:50:15.737 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 02:50:15.745 INFO kablam! error: Could not compile `test-case-derive`.
Nov 02 02:50:15.746 INFO kablam! 
Nov 02 02:50:15.746 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 02:50:15.747 INFO kablam! su: No module specific data is present
Nov 02 02:50:17.069 INFO running `"docker" "rm" "-f" "b27acd0726d938b9d7ec965a6b83f9557bbba33b527da5fcac3974201738057d"`
Nov 02 02:50:17.419 INFO blam! b27acd0726d938b9d7ec965a6b83f9557bbba33b527da5fcac3974201738057d
