Nov 03 01:56:56.916 INFO testing bitfields-0.1.0 against 1.30.0 for beta-1.31-1
Nov 03 01:56:56.918 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-7/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 03 01:56:57.337 INFO blam! 495d9aac95f5180bfcc85904e0b7a90a1de03f63b81358a467d5277f527f6f01
Nov 03 01:56:57.339 INFO running `"docker" "start" "-a" "495d9aac95f5180bfcc85904e0b7a90a1de03f63b81358a467d5277f527f6f01"`
Nov 03 01:56:59.329 INFO kablam! usermod: no changes
Nov 03 01:56:59.365 INFO kablam!    Compiling bitfields v0.1.0 (/source)
Nov 03 01:57:00.251 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 03 01:57:00.251 INFO kablam!  --> src/lib.rs:2:1
Nov 03 01:57:00.251 INFO kablam!   |
Nov 03 01:57:00.251 INFO kablam! 2 | #![feature(try_from)]
Nov 03 01:57:00.251 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 03 01:57:00.251 INFO kablam! 
Nov 03 01:57:00.251 INFO kablam! error: aborting due to previous error
Nov 03 01:57:00.251 INFO kablam! 
Nov 03 01:57:00.251 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 03 01:57:00.257 INFO kablam! error: Could not compile `bitfields`.
Nov 03 01:57:00.257 INFO kablam! 
Nov 03 01:57:00.258 INFO kablam! To learn more, run the command again with --verbose.
Nov 03 01:57:00.260 INFO kablam! su: No module specific data is present
Nov 03 01:57:01.157 INFO running `"docker" "rm" "-f" "495d9aac95f5180bfcc85904e0b7a90a1de03f63b81358a467d5277f527f6f01"`
Nov 03 01:57:01.335 INFO blam! 495d9aac95f5180bfcc85904e0b7a90a1de03f63b81358a467d5277f527f6f01
