Nov 02 09:26:11.892 INFO testing porter-stemmer-0.1.1 against 1.30.0 for beta-1.31-1
Nov 02 09:26:11.892 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-3/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 09:26:12.261 INFO blam! 807ad1027f39ea5240cd9f2733ad16e92cae9238233ca7b0503a2a4b96038588
Nov 02 09:26:12.262 INFO running `"docker" "start" "-a" "807ad1027f39ea5240cd9f2733ad16e92cae9238233ca7b0503a2a4b96038588"`
Nov 02 09:26:12.887 INFO kablam! usermod: no changes
Nov 02 09:26:12.951 INFO kablam!    Compiling porter-stemmer v0.1.1 (/source)
Nov 02 09:26:13.463 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 09:26:13.463 INFO kablam!  --> src/lib.rs:5:1
Nov 02 09:26:13.463 INFO kablam!   |
Nov 02 09:26:13.463 INFO kablam! 5 | #![feature(test)]
Nov 02 09:26:13.463 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Nov 02 09:26:13.463 INFO kablam! 
Nov 02 09:26:13.467 INFO kablam! error: aborting due to previous error
Nov 02 09:26:13.467 INFO kablam! 
Nov 02 09:26:13.467 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 09:26:13.467 INFO kablam! error: Could not compile `porter-stemmer`.
Nov 02 09:26:13.467 INFO kablam! 
Nov 02 09:26:13.467 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 09:26:13.471 INFO kablam! su: No module specific data is present
Nov 02 09:26:14.024 INFO running `"docker" "rm" "-f" "807ad1027f39ea5240cd9f2733ad16e92cae9238233ca7b0503a2a4b96038588"`
Nov 02 09:26:14.251 INFO blam! 807ad1027f39ea5240cd9f2733ad16e92cae9238233ca7b0503a2a4b96038588
