Aug 02 01:31:49.404 INFO checking quickersort-3.0.1 against 1.27.2 for lazy_static-1
Aug 02 01:31:49.404 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:31:49.404 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:31:49.404 INFO running `"docker" "create" "-v" "/tmp/crater.ordGx1zKasWo:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 01:31:49.630 INFO blam! b09f82b794b68dfebbe84f9dfa263542ff7ed6d0d103bee3dd535fdb27ba73b2
Aug 02 01:31:49.633 INFO running `"docker" "start" "-a" "b09f82b794b68dfebbe84f9dfa263542ff7ed6d0d103bee3dd535fdb27ba73b2"`
Aug 02 01:31:50.718 INFO kablam!     Checking quickersort v3.0.1 (file:///source)
Aug 02 01:31:52.755 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:31:52.755 INFO kablam!  --> benches/float.rs:5:1
Aug 02 01:31:52.755 INFO kablam!   |
Aug 02 01:31:52.755 INFO kablam! 5 | #![feature(test)]
Aug 02 01:31:52.755 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 01:31:52.764 INFO kablam! 
Aug 02 01:31:52.765 INFO kablam! error: aborting due to previous error
Aug 02 01:31:52.765 INFO kablam! 
Aug 02 01:31:52.765 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:31:52.832 INFO kablam! error: Could not compile `quickersort`.
Aug 02 01:31:52.833 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:31:53.442 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:31:53.442 INFO kablam!  --> benches/bench.rs:5:1
Aug 02 01:31:53.442 INFO kablam!   |
Aug 02 01:31:53.442 INFO kablam! 5 | #![feature(test)]
Aug 02 01:31:53.442 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 01:31:53.442 INFO kablam! 
Aug 02 01:31:53.442 INFO kablam! error: aborting due to previous error
Aug 02 01:31:53.442 INFO kablam! 
Aug 02 01:31:53.442 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:31:53.450 INFO kablam! error: Could not compile `quickersort`.
Aug 02 01:31:53.450 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:31:53.851 INFO kablam! error: build failed
Aug 02 01:31:53.855 INFO kablam! su: No module specific data is present
Aug 02 01:31:55.118 INFO running `"docker" "rm" "-f" "b09f82b794b68dfebbe84f9dfa263542ff7ed6d0d103bee3dd535fdb27ba73b2"`
Aug 02 01:31:55.236 INFO blam! b09f82b794b68dfebbe84f9dfa263542ff7ed6d0d103bee3dd535fdb27ba73b2