Aug 01 16:13:34.109 INFO checking kirillkh/xword_constructor against 1.27.2+tmplazy for lazy_static-1
Aug 01 16:13:34.109 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:13:34.109 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:13:34.109 INFO running `"docker" "create" "-v" "/tmp/crater.hokPPym8OIcg:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 16:13:34.391 INFO blam! 3c14f67db961a543b31362d000228862dea50fc04919d25c93688ee31eebd48d
Aug 01 16:13:34.393 INFO running `"docker" "start" "-a" "3c14f67db961a543b31362d000228862dea50fc04919d25c93688ee31eebd48d"`
Aug 01 16:13:35.577 INFO kablam!    Compiling ndarray v0.6.10
Aug 01 16:13:35.585 INFO kablam!     Checking itertools v0.5.10
Aug 01 16:13:46.355 INFO kablam!     Checking xword_constructor v0.2.1 (file:///source)
Aug 01 16:13:47.091 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:13:47.091 INFO kablam!  --> src/lib.rs:1:1
Aug 01 16:13:47.091 INFO kablam!   |
Aug 01 16:13:47.091 INFO kablam! 1 | #![feature(test)]
Aug 01 16:13:47.091 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 16:13:47.091 INFO kablam! 
Aug 01 16:13:47.091 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:13:47.091 INFO kablam!  --> src/lib.rs:2:1
Aug 01 16:13:47.091 INFO kablam!   |
Aug 01 16:13:47.091 INFO kablam! 2 | #![feature(repr_simd)]
Aug 01 16:13:47.091 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:13:47.091 INFO kablam! 
Aug 01 16:13:47.092 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:13:47.092 INFO kablam!  --> src/lib.rs:3:1
Aug 01 16:13:47.092 INFO kablam!   |
Aug 01 16:13:47.092 INFO kablam! 3 | #![feature(specialization)]
Aug 01 16:13:47.092 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:13:47.092 INFO kablam! 
Aug 01 16:13:47.095 INFO kablam! error: aborting due to 3 previous errors
Aug 01 16:13:47.095 INFO kablam! 
Aug 01 16:13:47.095 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:13:47.097 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:13:47.099 INFO kablam!  --> src/lib.rs:1:1
Aug 01 16:13:47.099 INFO kablam!   |
Aug 01 16:13:47.099 INFO kablam! 1 | #![feature(test)]
Aug 01 16:13:47.099 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 16:13:47.099 INFO kablam! 
Aug 01 16:13:47.099 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:13:47.099 INFO kablam!  --> src/lib.rs:2:1
Aug 01 16:13:47.099 INFO kablam!   |
Aug 01 16:13:47.099 INFO kablam! 2 | #![feature(repr_simd)]
Aug 01 16:13:47.100 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:13:47.100 INFO kablam! 
Aug 01 16:13:47.100 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:13:47.100 INFO kablam!  --> src/lib.rs:3:1
Aug 01 16:13:47.100 INFO kablam!   |
Aug 01 16:13:47.100 INFO kablam! 3 | #![feature(specialization)]
Aug 01 16:13:47.100 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:13:47.100 INFO kablam! 
Aug 01 16:13:47.104 INFO kablam! error: Could not compile `xword_constructor`.
Aug 01 16:13:47.104 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:13:47.125 INFO kablam! error: aborting due to 3 previous errors
Aug 01 16:13:47.125 INFO kablam! 
Aug 01 16:13:47.125 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:13:47.147 INFO kablam! error: Could not compile `xword_constructor`.
Aug 01 16:13:47.148 INFO kablam! 
Aug 01 16:13:47.148 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 16:13:47.150 INFO kablam! su: No module specific data is present
Aug 01 16:13:47.722 INFO running `"docker" "rm" "-f" "3c14f67db961a543b31362d000228862dea50fc04919d25c93688ee31eebd48d"`
Aug 01 16:13:47.870 INFO blam! 3c14f67db961a543b31362d000228862dea50fc04919d25c93688ee31eebd48d