Aug 02 12:02:28.550 INFO checking css-0.0.22 against 1.27.2 for lazy_static-1
Aug 02 12:02:28.550 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:02:28.550 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:02:28.550 INFO running `"docker" "create" "-v" "/tmp/crater.s84cUruSv14c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 02 12:02:28.802 INFO blam! a96026d5a7f6874cc6de3535e92c2c5f201caea1dd3dae1ac2c295cd2f88f588
Aug 02 12:02:28.805 INFO running `"docker" "start" "-a" "a96026d5a7f6874cc6de3535e92c2c5f201caea1dd3dae1ac2c295cd2f88f588"`
Aug 02 12:02:30.050 INFO kablam!    Compiling cssparser v0.21.3
Aug 02 12:02:30.050 INFO kablam!    Compiling phf_macros v0.7.22
Aug 02 12:02:30.050 INFO kablam!    Compiling css v0.0.22 (file:///source)
Aug 02 12:02:38.862 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:02:38.862 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/phf_macros-0.7.22/src/lib.rs:34:1
Aug 02 12:02:38.862 INFO kablam!    |
Aug 02 12:02:38.862 INFO kablam! 34 | #![feature(plugin_registrar, quote, rustc_private)]
Aug 02 12:02:38.862 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:02:38.862 INFO kablam! 
Aug 02 12:02:38.865 INFO kablam! error: aborting due to previous error
Aug 02 12:02:38.865 INFO kablam! 
Aug 02 12:02:38.865 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:02:39.005 INFO kablam! error: Could not compile `phf_macros`.
Aug 02 12:02:39.005 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:02:41.271 INFO kablam! error: build failed
Aug 02 12:02:41.273 INFO kablam! su: No module specific data is present
Aug 02 12:02:42.711 INFO running `"docker" "rm" "-f" "a96026d5a7f6874cc6de3535e92c2c5f201caea1dd3dae1ac2c295cd2f88f588"`
Aug 02 12:02:42.900 INFO blam! a96026d5a7f6874cc6de3535e92c2c5f201caea1dd3dae1ac2c295cd2f88f588