Aug 01 18:40:08.525 INFO checking witty-1.0.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 18:40:08.525 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:40:08.525 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:40:08.525 INFO running `"docker" "create" "-v" "/tmp/crater.b9BtzVfrrmvQ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+tmplazy:/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 18:40:09.315 INFO blam! 4768f02330dd30ea607417ffc6546e3671b61730baed7d7dd426611e7a633d59
Aug 01 18:40:09.318 INFO running `"docker" "start" "-a" "4768f02330dd30ea607417ffc6546e3671b61730baed7d7dd426611e7a633d59"`
Aug 01 18:40:10.597 INFO kablam!    Compiling ring v0.12.1
Aug 01 18:40:25.017 INFO kablam!     Checking webpki v0.17.0
Aug 01 18:40:25.017 INFO kablam!     Checking sct v0.2.0
Aug 01 18:40:25.929 INFO kablam!     Checking ct-logs v0.2.0
Aug 01 18:40:27.032 INFO kablam!     Checking rustls v0.11.0
Aug 01 18:40:27.033 INFO kablam!     Checking webpki-roots v0.13.0
Aug 01 18:40:35.084 INFO kablam!     Checking tokio-rustls v0.4.0
Aug 01 18:40:36.600 INFO kablam!     Checking hyper-rustls v0.11.0
Aug 01 18:40:37.725 INFO kablam!     Checking witty v1.0.0 (file:///source)
Aug 01 18:40:39.043 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:40:39.043 INFO kablam!  --> src/lib.rs:1:1
Aug 01 18:40:39.043 INFO kablam!   |
Aug 01 18:40:39.044 INFO kablam! 1 | #![feature(proc_macro)]
Aug 01 18:40:39.044 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:40:39.044 INFO kablam! 
Aug 01 18:40:39.044 INFO kablam! error: aborting due to previous error
Aug 01 18:40:39.044 INFO kablam! 
Aug 01 18:40:39.044 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:40:39.053 INFO kablam! error: Could not compile `witty`.
Aug 01 18:40:39.053 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:40:39.092 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:40:39.092 INFO kablam!  --> src/lib.rs:1:1
Aug 01 18:40:39.092 INFO kablam!   |
Aug 01 18:40:39.092 INFO kablam! 1 | #![feature(proc_macro)]
Aug 01 18:40:39.092 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:40:39.092 INFO kablam! 
Aug 01 18:40:39.093 INFO kablam! error: aborting due to previous error
Aug 01 18:40:39.093 INFO kablam! 
Aug 01 18:40:39.093 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:40:39.114 INFO kablam! error: Could not compile `witty`.
Aug 01 18:40:39.114 INFO kablam! 
Aug 01 18:40:39.114 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 18:40:39.116 INFO kablam! su: No module specific data is present
Aug 01 18:40:39.570 INFO running `"docker" "rm" "-f" "4768f02330dd30ea607417ffc6546e3671b61730baed7d7dd426611e7a633d59"`
Aug 01 18:40:39.739 INFO blam! 4768f02330dd30ea607417ffc6546e3671b61730baed7d7dd426611e7a633d59