Aug 01 23:56:16.236 INFO checking rundo_attrs-0.4.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:56:16.236 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:56:16.236 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:56:16.236 INFO running `"docker" "create" "-v" "/tmp/crater.BQ59BsZD8wqc:/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 23:56:16.533 INFO blam! b972b04fb5fa390636e6cd2139c04ef7dfc385dce0fdbe5eaf21956fd3cc2347
Aug 01 23:56:16.535 INFO running `"docker" "start" "-a" "b972b04fb5fa390636e6cd2139c04ef7dfc385dce0fdbe5eaf21956fd3cc2347"`
Aug 01 23:56:17.999 INFO kablam!    Compiling difference v2.0.0
Aug 01 23:56:18.002 INFO kablam!    Compiling syn v0.12.15
Aug 01 23:56:18.787 INFO kablam!     Checking rundo_types v0.4.0
Aug 01 23:56:44.666 INFO kablam!     Checking rundo_attrs v0.4.0 (file:///source)
Aug 01 23:56:46.327 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:56:46.327 INFO kablam!  --> src/lib.rs:2:1
Aug 01 23:56:46.327 INFO kablam!   |
Aug 01 23:56:46.327 INFO kablam! 2 | #![feature(proc_macro)]
Aug 01 23:56:46.327 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:56:46.328 INFO kablam! 
Aug 01 23:56:46.329 INFO kablam! error: aborting due to previous error
Aug 01 23:56:46.329 INFO kablam! 
Aug 01 23:56:46.329 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:56:46.340 INFO kablam! error: Could not compile `rundo_attrs`.
Aug 01 23:56:46.340 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:56:46.730 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:56:46.730 INFO kablam!  --> src/lib.rs:2:1
Aug 01 23:56:46.730 INFO kablam!   |
Aug 01 23:56:46.730 INFO kablam! 2 | #![feature(proc_macro)]
Aug 01 23:56:46.730 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:56:46.730 INFO kablam! 
Aug 01 23:56:46.732 INFO kablam! error: aborting due to previous error
Aug 01 23:56:46.732 INFO kablam! 
Aug 01 23:56:46.732 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:56:46.754 INFO kablam! error: Could not compile `rundo_attrs`.
Aug 01 23:56:46.755 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:57:07.005 INFO kablam! error: build failed
Aug 01 23:57:07.006 INFO kablam! su: No module specific data is present
Aug 01 23:57:08.006 INFO running `"docker" "rm" "-f" "b972b04fb5fa390636e6cd2139c04ef7dfc385dce0fdbe5eaf21956fd3cc2347"`
Aug 01 23:57:08.110 INFO blam! b972b04fb5fa390636e6cd2139c04ef7dfc385dce0fdbe5eaf21956fd3cc2347