Aug 01 19:35:13.195 INFO checking unix-0.4.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:35:13.195 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:35:13.195 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:35:13.195 INFO running `"docker" "create" "-v" "/tmp/crater.iTKUCS57EE1T:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 19:35:13.435 INFO blam! 214385ea02775a9878b3d958eb7d822816f1b6792ea63c60f47a9683a08fccda
Aug 01 19:35:13.438 INFO running `"docker" "start" "-a" "214385ea02775a9878b3d958eb7d822816f1b6792ea63c60f47a9683a08fccda"`
Aug 01 19:35:14.570 INFO kablam!    Compiling ptr v0.1.4
Aug 01 19:35:14.570 INFO kablam!    Compiling hash-table v0.2.2
Aug 01 19:35:14.570 INFO kablam!     Checking slot v0.2.4
Aug 01 19:35:14.572 INFO kablam!    Compiling containers v0.8.3
Aug 01 19:35:14.573 INFO kablam!    Compiling libc v0.2.42
Aug 01 19:35:14.573 INFO kablam!     Checking idem v0.4.0
Aug 01 19:35:14.573 INFO kablam!     Checking heap v0.1.0
Aug 01 19:35:14.574 INFO kablam!     Checking rel v0.2.0
Aug 01 19:35:15.656 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:35:15.656 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:3:1
Aug 01 19:35:15.656 INFO kablam!   |
Aug 01 19:35:15.656 INFO kablam! 3 | #![feature(const_fn)]
Aug 01 19:35:15.656 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:35:15.692 INFO kablam! 
Aug 01 19:35:15.693 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:35:15.693 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:4:1
Aug 01 19:35:15.693 INFO kablam!   |
Aug 01 19:35:15.693 INFO kablam! 4 | #![feature(untagged_unions)]
Aug 01 19:35:15.693 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:35:15.693 INFO kablam! 
Aug 01 19:35:15.693 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:35:15.693 INFO kablam! 
Aug 01 19:35:15.693 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:35:15.740 INFO kablam! error: Could not compile `slot`.
Aug 01 19:35:15.740 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:35:19.065 INFO kablam! error: build failed
Aug 01 19:35:19.067 INFO kablam! su: No module specific data is present
Aug 01 19:35:19.642 INFO running `"docker" "rm" "-f" "214385ea02775a9878b3d958eb7d822816f1b6792ea63c60f47a9683a08fccda"`
Aug 01 19:35:19.812 INFO blam! 214385ea02775a9878b3d958eb7d822816f1b6792ea63c60f47a9683a08fccda