Aug 31 23:14:03.621 INFO checking dat2/rocket-playground against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Aug 31 23:14:03.621 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Aug 31 23:14:03.621 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 23:14:03.891 INFO blam! 955279d21b3e84579abf72b24c5c0522c4078a9a765e675963eaff23c1e7eae1
Aug 31 23:14:03.893 INFO running `"docker" "start" "-a" "955279d21b3e84579abf72b24c5c0522c4078a9a765e675963eaff23c1e7eae1"`
Aug 31 23:14:04.986 INFO kablam!    Compiling either v1.3.0
Aug 31 23:14:04.987 INFO kablam!    Compiling futures v0.1.16
Aug 31 23:14:04.987 INFO kablam!    Compiling lazy_static v0.2.9
Aug 31 23:14:04.987 INFO kablam!    Compiling cc v1.0.1
Aug 31 23:14:05.009 INFO kablam!    Compiling percent-encoding v1.0.0
Aug 31 23:14:05.026 INFO kablam!    Compiling byteorder v1.1.0
Aug 31 23:14:05.026 INFO kablam!    Compiling yansi v0.3.4
Aug 31 23:14:05.027 INFO kablam!    Compiling httparse v1.2.3
Aug 31 23:14:05.857 INFO kablam!    Compiling serde v1.0.15
Aug 31 23:14:08.300 INFO kablam! error[E0635]: unknown feature `const_atomic_bool_new`
Aug 31 23:14:08.300 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
Aug 31 23:14:08.300 INFO kablam!   |
Aug 31 23:14:08.300 INFO kablam! 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
Aug 31 23:14:08.300 INFO kablam!   |                                        ^^^^^^^^^^^^^^^^^^^^^
Aug 31 23:14:08.312 INFO kablam! 
Aug 31 23:14:08.373 INFO kablam! error: aborting due to previous error
Aug 31 23:14:08.374 INFO kablam! 
Aug 31 23:14:08.374 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 23:14:08.425 INFO kablam! error: Could not compile `yansi`.
Aug 31 23:14:08.425 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 23:14:09.568 INFO kablam! error[E0635]: unknown feature `const_atomic_bool_new`
Aug 31 23:14:09.568 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.4/src/lib.rs:1:40
Aug 31 23:14:09.568 INFO kablam!   |
Aug 31 23:14:09.568 INFO kablam! 1 | #![cfg_attr(feature="nightly", feature(const_atomic_bool_new))]
Aug 31 23:14:09.568 INFO kablam!   |                                        ^^^^^^^^^^^^^^^^^^^^^
Aug 31 23:14:09.568 INFO kablam! 
Aug 31 23:14:09.597 INFO kablam! error: aborting due to previous error
Aug 31 23:14:09.598 INFO kablam! 
Aug 31 23:14:09.598 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 23:14:09.605 INFO kablam! error: Could not compile `yansi`.
Aug 31 23:14:09.605 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 23:14:27.085 INFO kablam! error: build failed
Aug 31 23:14:27.086 INFO kablam! su: No module specific data is present
Aug 31 23:14:27.594 INFO running `"docker" "rm" "-f" "955279d21b3e84579abf72b24c5c0522c4078a9a765e675963eaff23c1e7eae1"`
Aug 31 23:14:27.744 INFO blam! 955279d21b3e84579abf72b24c5c0522c4078a9a765e675963eaff23c1e7eae1