Aug 01 15:37:21.579 INFO checking nrc/rls-vfs against 1.27.2+tmplazy for lazy_static-1
Aug 01 15:37:21.579 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:37:21.579 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:37:21.579 INFO running `"docker" "create" "-v" "/tmp/crater.xuBObkHvGtqH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 15:37:21.880 INFO blam! 2fabbed0afa8f22cf213791c64efa7c9ab80e903bc31920abdf83cb433b403a8
Aug 01 15:37:21.881 INFO running `"docker" "start" "-a" "2fabbed0afa8f22cf213791c64efa7c9ab80e903bc31920abdf83cb433b403a8"`
Aug 01 15:37:23.108 INFO kablam!     Checking rls-span v0.4.0
Aug 01 15:37:23.530 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:37:23.530 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1
Aug 01 15:37:23.530 INFO kablam!    |
Aug 01 15:37:23.530 INFO kablam! 12 | #![feature(proc_macro)]
Aug 01 15:37:23.530 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:37:23.530 INFO kablam! 
Aug 01 15:37:23.532 INFO kablam! error: aborting due to previous error
Aug 01 15:37:23.532 INFO kablam! 
Aug 01 15:37:23.532 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:37:23.540 INFO kablam! error: Could not compile `rls-span`.
Aug 01 15:37:23.540 INFO kablam! 
Aug 01 15:37:23.540 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 15:37:23.545 INFO kablam! su: No module specific data is present
Aug 01 15:37:24.263 INFO running `"docker" "rm" "-f" "2fabbed0afa8f22cf213791c64efa7c9ab80e903bc31920abdf83cb433b403a8"`
Aug 01 15:37:24.459 INFO blam! 2fabbed0afa8f22cf213791c64efa7c9ab80e903bc31920abdf83cb433b403a8