Aug 01 22:02:52.134 INFO checking sleep-parser-0.6.0 against 1.27.2 for lazy_static-1
Aug 01 22:02:52.134 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:02:52.134 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:02:52.134 INFO running `"docker" "create" "-v" "/tmp/crater.In5eOJMfLXo7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 22:02:52.348 INFO blam! 4918944be82f21ee643e4c709ff8df98f91659ad9cdcf797560c3a122611052c
Aug 01 22:02:52.351 INFO running `"docker" "start" "-a" "4918944be82f21ee643e4c709ff8df98f91659ad9cdcf797560c3a122611052c"`
Aug 01 22:02:53.620 INFO kablam!     Checking sleep-parser v0.6.0 (file:///source)
Aug 01 22:02:54.260 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:02:54.260 INFO kablam!  --> src/lib.rs:3:1
Aug 01 22:02:54.260 INFO kablam!   |
Aug 01 22:02:54.260 INFO kablam! 3 | #![feature(external_doc)]
Aug 01 22:02:54.260 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:02:54.260 INFO kablam! 
Aug 01 22:02:54.261 INFO kablam! error: aborting due to previous error
Aug 01 22:02:54.261 INFO kablam! 
Aug 01 22:02:54.261 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:02:54.269 INFO kablam! error: Could not compile `sleep-parser`.
Aug 01 22:02:54.269 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:02:54.342 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:02:54.342 INFO kablam!  --> src/lib.rs:3:1
Aug 01 22:02:54.342 INFO kablam!   |
Aug 01 22:02:54.342 INFO kablam! 3 | #![feature(external_doc)]
Aug 01 22:02:54.342 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:02:54.342 INFO kablam! 
Aug 01 22:02:54.343 INFO kablam! error: aborting due to previous error
Aug 01 22:02:54.343 INFO kablam! 
Aug 01 22:02:54.343 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:02:54.353 INFO kablam! error: Could not compile `sleep-parser`.
Aug 01 22:02:54.353 INFO kablam! 
Aug 01 22:02:54.353 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:02:54.355 INFO kablam! su: No module specific data is present
Aug 01 22:02:55.057 INFO running `"docker" "rm" "-f" "4918944be82f21ee643e4c709ff8df98f91659ad9cdcf797560c3a122611052c"`
Aug 01 22:02:55.192 INFO blam! 4918944be82f21ee643e4c709ff8df98f91659ad9cdcf797560c3a122611052c