Aug 02 01:38:30.445 INFO checking pyo3cls-0.2.7 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:38:30.446 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:38:30.446 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:38:30.446 INFO running `"docker" "create" "-v" "/tmp/crater.EeNoG50mg8rY:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 02 01:38:30.674 INFO blam! 3cc565b5755da76d28b0fd58510930197548df869e6166a930eb5b0fde3795cd
Aug 02 01:38:30.676 INFO running `"docker" "start" "-a" "3cc565b5755da76d28b0fd58510930197548df869e6166a930eb5b0fde3795cd"`
Aug 02 01:38:31.740 INFO kablam!     Checking syn v0.11.11
Aug 02 01:38:39.816 INFO kablam!     Checking pyo3cls v0.2.7 (file:///source)
Aug 02 01:38:43.464 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:38:43.466 INFO kablam!  --> src/lib.rs:4:1
Aug 02 01:38:43.466 INFO kablam!   |
Aug 02 01:38:43.466 INFO kablam! 4 | #![feature(proc_macro)]
Aug 02 01:38:43.466 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:38:43.466 INFO kablam! 
Aug 02 01:38:43.479 INFO kablam! error: aborting due to previous error
Aug 02 01:38:43.479 INFO kablam! 
Aug 02 01:38:43.479 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:38:43.492 INFO kablam! error: Could not compile `pyo3cls`.
Aug 02 01:38:43.493 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:38:43.578 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:38:43.578 INFO kablam!  --> src/lib.rs:4:1
Aug 02 01:38:43.578 INFO kablam!   |
Aug 02 01:38:43.578 INFO kablam! 4 | #![feature(proc_macro)]
Aug 02 01:38:43.578 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:38:43.578 INFO kablam! 
Aug 02 01:38:43.590 INFO kablam! error: aborting due to previous error
Aug 02 01:38:43.590 INFO kablam! 
Aug 02 01:38:43.590 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:38:43.616 INFO kablam! error: Could not compile `pyo3cls`.
Aug 02 01:38:43.617 INFO kablam! 
Aug 02 01:38:43.617 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 01:38:43.618 INFO kablam! su: No module specific data is present
Aug 02 01:38:44.149 INFO running `"docker" "rm" "-f" "3cc565b5755da76d28b0fd58510930197548df869e6166a930eb5b0fde3795cd"`
Aug 02 01:38:44.316 INFO blam! 3cc565b5755da76d28b0fd58510930197548df869e6166a930eb5b0fde3795cd