Aug 01 20:35:55.189 INFO checking test-case-derive-0.1.5 against 1.27.2 for lazy_static-1
Aug 01 20:35:55.189 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:35:55.189 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:35:55.189 INFO running `"docker" "create" "-v" "/tmp/crater.JwkYxu8HwInK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 20:35:55.483 INFO blam! 8287a0696bcef333ca643b760d58ee8a82e9c4e24ca730d57d51325c4d81b6e2
Aug 01 20:35:55.485 INFO running `"docker" "start" "-a" "8287a0696bcef333ca643b760d58ee8a82e9c4e24ca730d57d51325c4d81b6e2"`
Aug 01 20:35:56.473 INFO kablam!     Checking lazy_static v0.2.11
Aug 01 20:35:56.474 INFO kablam!     Checking syn v0.11.11
Aug 01 20:35:56.474 INFO kablam!    Compiling test-case-derive v0.1.5 (file:///source)
Aug 01 20:35:57.745 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:35:57.745 INFO kablam!    --> src/lib.rs:182:1
Aug 01 20:35:57.745 INFO kablam!     |
Aug 01 20:35:57.745 INFO kablam! 182 | #![feature(proc_macro)]
Aug 01 20:35:57.745 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:35:57.745 INFO kablam! 
Aug 01 20:35:57.756 INFO kablam! error: aborting due to previous error
Aug 01 20:35:57.756 INFO kablam! 
Aug 01 20:35:57.756 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:35:57.777 INFO kablam! error: Could not compile `test-case-derive`.
Aug 01 20:35:57.777 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:36:02.122 INFO kablam! error: build failed
Aug 01 20:36:02.127 INFO kablam! su: No module specific data is present
Aug 01 20:36:02.715 INFO running `"docker" "rm" "-f" "8287a0696bcef333ca643b760d58ee8a82e9c4e24ca730d57d51325c4d81b6e2"`
Aug 01 20:36:02.878 INFO blam! 8287a0696bcef333ca643b760d58ee8a82e9c4e24ca730d57d51325c4d81b6e2