Aug 01 20:58:36.404 INFO checking sync-threadpool-0.0.2 against 1.27.2 for lazy_static-1
Aug 01 20:58:36.404 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:58:36.404 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:58:36.404 INFO running `"docker" "create" "-v" "/tmp/crater.KXeHZBEPt8zW:/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 01 20:58:36.704 INFO blam! 83ca73d006744382481fd482b2a02712c70cfad16e3c9106612dffc577a8e14f
Aug 01 20:58:36.706 INFO running `"docker" "start" "-a" "83ca73d006744382481fd482b2a02712c70cfad16e3c9106612dffc577a8e14f"`
Aug 01 20:58:37.932 INFO kablam!     Checking sync-threadpool v0.0.2 (file:///source)
Aug 01 20:58:38.538 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:58:38.538 INFO kablam!   --> src/lib.rs:62:1
Aug 01 20:58:38.538 INFO kablam!    |
Aug 01 20:58:38.538 INFO kablam! 62 | #![feature(fnbox)]
Aug 01 20:58:38.539 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 01 20:58:38.539 INFO kablam! 
Aug 01 20:58:38.539 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:58:38.539 INFO kablam!   --> src/lib.rs:63:1
Aug 01 20:58:38.539 INFO kablam!    |
Aug 01 20:58:38.540 INFO kablam! 63 | #![feature(box_syntax)]
Aug 01 20:58:38.540 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:58:38.540 INFO kablam! 
Aug 01 20:58:38.541 INFO kablam! error: aborting due to 2 previous errors
Aug 01 20:58:38.541 INFO kablam! 
Aug 01 20:58:38.542 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:58:38.548 INFO kablam! error: Could not compile `sync-threadpool`.
Aug 01 20:58:38.549 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:58:38.634 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:58:38.634 INFO kablam!   --> src/lib.rs:62:1
Aug 01 20:58:38.634 INFO kablam!    |
Aug 01 20:58:38.634 INFO kablam! 62 | #![feature(fnbox)]
Aug 01 20:58:38.634 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 01 20:58:38.634 INFO kablam! 
Aug 01 20:58:38.635 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:58:38.635 INFO kablam!   --> src/lib.rs:63:1
Aug 01 20:58:38.635 INFO kablam!    |
Aug 01 20:58:38.635 INFO kablam! 63 | #![feature(box_syntax)]
Aug 01 20:58:38.635 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:58:38.635 INFO kablam! 
Aug 01 20:58:38.635 INFO kablam! error: aborting due to 2 previous errors
Aug 01 20:58:38.635 INFO kablam! 
Aug 01 20:58:38.635 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:58:38.643 INFO kablam! error: Could not compile `sync-threadpool`.
Aug 01 20:58:38.643 INFO kablam! 
Aug 01 20:58:38.643 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:58:38.644 INFO kablam! su: No module specific data is present
Aug 01 20:58:39.294 INFO running `"docker" "rm" "-f" "83ca73d006744382481fd482b2a02712c70cfad16e3c9106612dffc577a8e14f"`
Aug 01 20:58:39.473 INFO blam! 83ca73d006744382481fd482b2a02712c70cfad16e3c9106612dffc577a8e14f