Aug 02 06:22:26.061 INFO checking jam-0.0.1 against 1.27.2 for lazy_static-1
Aug 02 06:22:26.061 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:22:26.061 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:22:26.061 INFO running `"docker" "create" "-v" "/tmp/crater.P9L7TeRmC5fj:/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 02 06:22:26.276 INFO blam! c4967acbb73e8eb5271069dfa7707c0952b8838e600dd07e0b8f217bee1e6ee3
Aug 02 06:22:26.285 INFO running `"docker" "start" "-a" "c4967acbb73e8eb5271069dfa7707c0952b8838e600dd07e0b8f217bee1e6ee3"`
Aug 02 06:22:27.657 INFO kablam!    Compiling serde_codegen_internals v0.14.2
Aug 02 06:22:27.659 INFO kablam!    Compiling jam_derive v0.0.1
Aug 02 06:22:27.665 INFO kablam!     Checking bincode v0.7.0
Aug 02 06:22:29.572 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:22:29.572 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/jam_derive-0.0.1/src/lib.rs:34:1
Aug 02 06:22:29.572 INFO kablam!    |
Aug 02 06:22:29.572 INFO kablam! 34 | #![feature(proc_macro, proc_macro_lib)]
Aug 02 06:22:29.573 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:22:29.573 INFO kablam! 
Aug 02 06:22:29.573 INFO kablam! error: aborting due to previous error
Aug 02 06:22:29.573 INFO kablam! 
Aug 02 06:22:29.573 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:22:29.590 INFO kablam! error: Could not compile `jam_derive`.
Aug 02 06:22:29.590 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:22:31.633 INFO kablam! error: build failed
Aug 02 06:22:31.635 INFO kablam! su: No module specific data is present
Aug 02 06:22:32.514 INFO running `"docker" "rm" "-f" "c4967acbb73e8eb5271069dfa7707c0952b8838e600dd07e0b8f217bee1e6ee3"`
Aug 02 06:22:32.595 INFO blam! c4967acbb73e8eb5271069dfa7707c0952b8838e600dd07e0b8f217bee1e6ee3