Aug 01 20:53:09.226 INFO checking tagged_ptr-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:53:09.226 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:53:09.226 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:53:09.226 INFO running `"docker" "create" "-v" "/tmp/crater.wFXdVXhZ4Zi3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 20:53:09.464 INFO blam! 82bd7787fa7434bf6e9bdae5dba60950f09f24c88fa2d8f9c0279a772f9b0213
Aug 01 20:53:09.466 INFO running `"docker" "start" "-a" "82bd7787fa7434bf6e9bdae5dba60950f09f24c88fa2d8f9c0279a772f9b0213"`
Aug 01 20:53:10.450 INFO kablam!     Blocking waiting for file lock on the git checkouts
Aug 01 20:53:10.500 INFO kablam!     Checking tagged_ptr v0.1.0 (file:///source)
Aug 01 20:53:10.825 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:53:10.825 INFO kablam!  --> src/lib.rs:1:1
Aug 01 20:53:10.825 INFO kablam!   |
Aug 01 20:53:10.825 INFO kablam! 1 | #![feature(rc_raw)]
Aug 01 20:53:10.825 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Aug 01 20:53:10.825 INFO kablam! 
Aug 01 20:53:10.826 INFO kablam! error: aborting due to previous error
Aug 01 20:53:10.826 INFO kablam! 
Aug 01 20:53:10.826 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:53:10.833 INFO kablam! error: Could not compile `tagged_ptr`.
Aug 01 20:53:10.833 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:53:10.853 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:53:10.853 INFO kablam!  --> src/lib.rs:1:1
Aug 01 20:53:10.853 INFO kablam!   |
Aug 01 20:53:10.853 INFO kablam! 1 | #![feature(rc_raw)]
Aug 01 20:53:10.854 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^
Aug 01 20:53:10.854 INFO kablam! 
Aug 01 20:53:10.855 INFO kablam! error: aborting due to previous error
Aug 01 20:53:10.855 INFO kablam! 
Aug 01 20:53:10.855 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:53:10.862 INFO kablam! error: Could not compile `tagged_ptr`.
Aug 01 20:53:10.862 INFO kablam! 
Aug 01 20:53:10.862 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:53:10.864 INFO kablam! su: No module specific data is present
Aug 01 20:53:11.552 INFO running `"docker" "rm" "-f" "82bd7787fa7434bf6e9bdae5dba60950f09f24c88fa2d8f9c0279a772f9b0213"`
Aug 01 20:53:11.665 INFO blam! 82bd7787fa7434bf6e9bdae5dba60950f09f24c88fa2d8f9c0279a772f9b0213