Aug 02 00:36:50.901 INFO checking rgen3-save-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 00:36:50.901 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:36:50.901 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:36:50.901 INFO running `"docker" "create" "-v" "/tmp/crater.HMvUUcn4XT83:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 02 00:36:51.134 INFO blam! e44997d8a11e9fa542028553a542af69281df4a030f889dab40a027d867c384c
Aug 02 00:36:51.137 INFO running `"docker" "start" "-a" "e44997d8a11e9fa542028553a542af69281df4a030f889dab40a027d867c384c"`
Aug 02 00:36:52.144 INFO kablam!     Checking rgen3-string v0.1.0
Aug 02 00:36:52.740 INFO kablam!     Checking rgen3-save v0.1.0 (file:///source)
Aug 02 00:36:53.443 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:36:53.443 INFO kablam!  --> src/lib.rs:3:1
Aug 02 00:36:53.443 INFO kablam!   |
Aug 02 00:36:53.443 INFO kablam! 3 | #![feature(associated_consts, question_mark)]
Aug 02 00:36:53.443 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:36:53.443 INFO kablam! 
Aug 02 00:36:53.447 INFO kablam! error: aborting due to previous error
Aug 02 00:36:53.448 INFO kablam! 
Aug 02 00:36:53.448 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:36:53.471 INFO kablam! error: Could not compile `rgen3-save`.
Aug 02 00:36:53.472 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 00:36:53.484 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:36:53.484 INFO kablam!  --> src/lib.rs:3:1
Aug 02 00:36:53.484 INFO kablam!   |
Aug 02 00:36:53.484 INFO kablam! 3 | #![feature(associated_consts, question_mark)]
Aug 02 00:36:53.484 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:36:53.486 INFO kablam! 
Aug 02 00:36:53.490 INFO kablam! error: aborting due to previous error
Aug 02 00:36:53.491 INFO kablam! 
Aug 02 00:36:53.492 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:36:53.504 INFO kablam! error: Could not compile `rgen3-save`.
Aug 02 00:36:53.505 INFO kablam! 
Aug 02 00:36:53.505 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 00:36:53.507 INFO kablam! su: No module specific data is present
Aug 02 00:36:54.038 INFO running `"docker" "rm" "-f" "e44997d8a11e9fa542028553a542af69281df4a030f889dab40a027d867c384c"`
Aug 02 00:36:54.238 INFO blam! e44997d8a11e9fa542028553a542af69281df4a030f889dab40a027d867c384c