Aug 01 19:34:02.383 INFO checking unrest_codegen-0.1.0 against 1.27.2 for lazy_static-1
Aug 01 19:34:02.383 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:34:02.383 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:34:02.383 INFO running `"docker" "create" "-v" "/tmp/crater.4Djp8HH4AJHh:/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 19:34:02.602 INFO blam! ba2594470826736ab698b0485472d2de2d2d878f3bd94018a3a39edbf5e6724e
Aug 01 19:34:02.605 INFO running `"docker" "start" "-a" "ba2594470826736ab698b0485472d2de2d2d878f3bd94018a3a39edbf5e6724e"`
Aug 01 19:34:03.524 INFO kablam!     Checking proc-macro2 v0.1.10
Aug 01 19:34:05.601 INFO kablam!     Checking unrest_tmp_quote v0.1.0
Aug 01 19:34:06.902 INFO kablam!     Checking unrest_tmp_synom v0.1.0
Aug 01 19:34:08.900 INFO kablam!     Checking unrest_tmp_syn v0.1.0
Aug 01 19:34:15.639 INFO kablam!     Checking unrest_codegen v0.1.0 (file:///source)
Aug 01 19:34:16.369 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:16.369 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:34:16.369 INFO kablam!   |
Aug 01 19:34:16.369 INFO kablam! 1 | #![feature(type_ascription)]
Aug 01 19:34:16.369 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:16.369 INFO kablam! 
Aug 01 19:34:16.369 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:16.369 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:34:16.369 INFO kablam!   |
Aug 01 19:34:16.369 INFO kablam! 2 | #![feature(proc_macro)]
Aug 01 19:34:16.369 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:16.369 INFO kablam! 
Aug 01 19:34:16.370 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:34:16.370 INFO kablam! 
Aug 01 19:34:16.370 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:34:16.377 INFO kablam! error: Could not compile `unrest_codegen`.
Aug 01 19:34:16.377 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:34:16.436 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:16.436 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:34:16.436 INFO kablam!   |
Aug 01 19:34:16.436 INFO kablam! 1 | #![feature(type_ascription)]
Aug 01 19:34:16.436 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:16.436 INFO kablam! 
Aug 01 19:34:16.436 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:16.436 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:34:16.436 INFO kablam!   |
Aug 01 19:34:16.436 INFO kablam! 2 | #![feature(proc_macro)]
Aug 01 19:34:16.436 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:16.436 INFO kablam! 
Aug 01 19:34:16.440 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:34:16.440 INFO kablam! 
Aug 01 19:34:16.440 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:34:16.450 INFO kablam! error: Could not compile `unrest_codegen`.
Aug 01 19:34:16.450 INFO kablam! 
Aug 01 19:34:16.450 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:34:16.452 INFO kablam! su: No module specific data is present
Aug 01 19:34:17.071 INFO running `"docker" "rm" "-f" "ba2594470826736ab698b0485472d2de2d2d878f3bd94018a3a39edbf5e6724e"`
Aug 01 19:34:17.215 INFO blam! ba2594470826736ab698b0485472d2de2d2d878f3bd94018a3a39edbf5e6724e