Aug 01 21:39:54.569 INFO checking specs_guided_join-0.1.5 against 1.27.2 for lazy_static-1
Aug 01 21:39:54.569 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:39:54.569 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:39:54.570 INFO running `"docker" "create" "-v" "/tmp/crater.1PYwNR5yUw36:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 01 21:39:54.783 INFO blam! 7fe244ee9189dc7d9ce3cf7529e034a47365f3ed883a2b362f2f415e6c4997f6
Aug 01 21:39:54.785 INFO running `"docker" "start" "-a" "7fe244ee9189dc7d9ce3cf7529e034a47365f3ed883a2b362f2f415e6c4997f6"`
Aug 01 21:39:55.722 INFO kablam!     Checking arrayvec v0.4.7
Aug 01 21:39:55.725 INFO kablam!    Compiling shred-derive v0.3.0
Aug 01 21:39:58.799 INFO kablam!     Checking crossbeam-epoch v0.3.1
Aug 01 21:40:03.438 INFO kablam!     Checking crossbeam-deque v0.2.0
Aug 01 21:40:04.495 INFO kablam!     Checking rayon-core v1.4.1
Aug 01 21:40:06.302 INFO kablam!     Checking rayon v0.8.2
Aug 01 21:40:11.614 INFO kablam!     Checking hibitset v0.3.2
Aug 01 21:40:11.619 INFO kablam!     Checking shred v0.5.2
Aug 01 21:40:15.174 INFO kablam!     Checking specs v0.10.0
Aug 01 21:40:18.049 INFO kablam!     Checking specs_guided_join v0.1.5 (file:///source)
Aug 01 21:40:19.437 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:40:19.437 INFO kablam!  --> benches/bench.rs:1:1
Aug 01 21:40:19.437 INFO kablam!   |
Aug 01 21:40:19.437 INFO kablam! 1 | #![feature(test)]
Aug 01 21:40:19.437 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 21:40:19.437 INFO kablam! 
Aug 01 21:40:19.437 INFO kablam! error: aborting due to previous error
Aug 01 21:40:19.437 INFO kablam! 
Aug 01 21:40:19.437 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:40:19.444 INFO kablam! error: Could not compile `specs_guided_join`.
Aug 01 21:40:19.444 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:40:19.666 INFO kablam! error: build failed
Aug 01 21:40:19.667 INFO kablam! su: No module specific data is present
Aug 01 21:40:20.257 INFO running `"docker" "rm" "-f" "7fe244ee9189dc7d9ce3cf7529e034a47365f3ed883a2b362f2f415e6c4997f6"`
Aug 01 21:40:20.362 INFO blam! 7fe244ee9189dc7d9ce3cf7529e034a47365f3ed883a2b362f2f415e6c4997f6