Aug 02 14:50:38.058 INFO checking arc-swap-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 14:50:38.058 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:50:38.058 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:50:38.058 INFO running `"docker" "create" "-v" "/tmp/crater.853uSgHWs3zK:/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 14:50:38.336 INFO blam! 8360d2da672432f9e41d0811b3d2a576b43aa1608492d4722711d9d198a3c50f
Aug 02 14:50:38.339 INFO running `"docker" "start" "-a" "8360d2da672432f9e41d0811b3d2a576b43aa1608492d4722711d9d198a3c50f"`
Aug 02 14:50:39.250 INFO kablam!     Checking arc-swap v0.2.0 (file:///source)
Aug 02 14:50:41.471 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:41.471 INFO kablam!  --> benches/int-access.rs:1:1
Aug 02 14:50:41.471 INFO kablam!   |
Aug 02 14:50:41.471 INFO kablam! 1 | #![feature(test)]
Aug 02 14:50:41.471 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:50:41.471 INFO kablam! 
Aug 02 14:50:41.472 INFO kablam! error: aborting due to previous error
Aug 02 14:50:41.472 INFO kablam! 
Aug 02 14:50:41.472 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:41.492 INFO kablam! error: Could not compile `arc-swap`.
Aug 02 14:50:41.493 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:50:41.672 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:41.692 INFO kablam!  --> benches/background.rs:1:1
Aug 02 14:50:41.692 INFO kablam!   |
Aug 02 14:50:41.692 INFO kablam! 1 | #![feature(test)]
Aug 02 14:50:41.692 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:50:41.692 INFO kablam! 
Aug 02 14:50:41.692 INFO kablam! error: aborting due to previous error
Aug 02 14:50:41.693 INFO kablam! 
Aug 02 14:50:41.693 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:41.694 INFO kablam! error: Could not compile `arc-swap`.
Aug 02 14:50:41.695 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:50:41.840 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:50:41.840 INFO kablam!  --> benches/atomics.rs:1:1
Aug 02 14:50:41.840 INFO kablam!   |
Aug 02 14:50:41.840 INFO kablam! 1 | #![feature(test)]
Aug 02 14:50:41.840 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:50:41.840 INFO kablam! 
Aug 02 14:50:41.841 INFO kablam! error: aborting due to previous error
Aug 02 14:50:41.841 INFO kablam! 
Aug 02 14:50:41.841 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:50:41.849 INFO kablam! error: Could not compile `arc-swap`.
Aug 02 14:50:41.855 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:50:42.998 INFO kablam! error: build failed
Aug 02 14:50:43.000 INFO kablam! su: No module specific data is present
Aug 02 14:50:43.920 INFO running `"docker" "rm" "-f" "8360d2da672432f9e41d0811b3d2a576b43aa1608492d4722711d9d198a3c50f"`
Aug 02 14:50:44.089 INFO blam! 8360d2da672432f9e41d0811b3d2a576b43aa1608492d4722711d9d198a3c50f