Aug 02 14:50:42.092 INFO checking arc-swap-0.1.4 against 1.27.2 for lazy_static-1
Aug 02 14:50:42.092 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:50:42.092 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:50:42.092 INFO running `"docker" "create" "-v" "/tmp/crater.vuro7xpSNViV:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 14:50:42.338 INFO blam! 9b99703efa517d987404b0464856fddc5577bf860229d5523d360ca0dfa9c7a6
Aug 02 14:50:42.341 INFO running `"docker" "start" "-a" "9b99703efa517d987404b0464856fddc5577bf860229d5523d360ca0dfa9c7a6"`
Aug 02 14:50:43.331 INFO kablam!     Checking arc-swap v0.1.4 (file:///source)
Aug 02 14:50:44.661 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:44.661 INFO kablam!  --> benches/int-access.rs:1:1
Aug 02 14:50:44.661 INFO kablam!   |
Aug 02 14:50:44.661 INFO kablam! 1 | #![feature(test)]
Aug 02 14:50:44.661 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:50:44.661 INFO kablam! 
Aug 02 14:50:44.663 INFO kablam! error: aborting due to previous error
Aug 02 14:50:44.663 INFO kablam! 
Aug 02 14:50:44.663 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:44.686 INFO kablam! error: Could not compile `arc-swap`.
Aug 02 14:50:44.686 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:50:44.961 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:44.961 INFO kablam!  --> benches/background.rs:1:1
Aug 02 14:50:44.961 INFO kablam!   |
Aug 02 14:50:44.961 INFO kablam! 1 | #![feature(test)]
Aug 02 14:50:44.961 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:50:44.961 INFO kablam! 
Aug 02 14:50:44.961 INFO kablam! error: aborting due to previous error
Aug 02 14:50:44.961 INFO kablam! 
Aug 02 14:50:44.961 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:44.972 INFO kablam! error: Could not compile `arc-swap`.
Aug 02 14:50:44.972 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:50:44.976 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:44.976 INFO kablam!  --> benches/atomics.rs:1:1
Aug 02 14:50:44.976 INFO kablam!   |
Aug 02 14:50:44.976 INFO kablam! 1 | #![feature(test)]
Aug 02 14:50:44.976 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:50:44.976 INFO kablam! 
Aug 02 14:50:44.977 INFO kablam! error: aborting due to previous error
Aug 02 14:50:44.977 INFO kablam! 
Aug 02 14:50:44.977 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:44.983 INFO kablam! error: Could not compile `arc-swap`.
Aug 02 14:50:44.983 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:50:45.623 INFO kablam! error: build failed
Aug 02 14:50:45.627 INFO kablam! su: No module specific data is present
Aug 02 14:50:46.290 INFO running `"docker" "rm" "-f" "9b99703efa517d987404b0464856fddc5577bf860229d5523d360ca0dfa9c7a6"`
Aug 02 14:50:46.475 INFO blam! 9b99703efa517d987404b0464856fddc5577bf860229d5523d360ca0dfa9c7a6