Aug 01 19:34:04.724 INFO checking unrest-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:34:04.724 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:34:04.724 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:34:04.724 INFO running `"docker" "create" "-v" "/tmp/crater.jr43to65uQmB:/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 19:34:04.947 INFO blam! a0f01a1122022fae347d175e14f8992881d503ba27f16ed46f0000f4bb82ff7e
Aug 01 19:34:04.949 INFO running `"docker" "start" "-a" "a0f01a1122022fae347d175e14f8992881d503ba27f16ed46f0000f4bb82ff7e"`
Aug 01 19:34:06.275 INFO kablam!     Checking unrest v0.1.0 (file:///source)
Aug 01 19:34:07.576 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:07.576 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:34:07.576 INFO kablam!   |
Aug 01 19:34:07.576 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Aug 01 19:34:07.576 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:07.577 INFO kablam! 
Aug 01 19:34:07.577 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:07.577 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:34:07.577 INFO kablam!   |
Aug 01 19:34:07.577 INFO kablam! 2 | #![feature(proc_macro)]
Aug 01 19:34:07.577 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:07.578 INFO kablam! 
Aug 01 19:34:07.579 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:34:07.579 INFO kablam! 
Aug 01 19:34:07.579 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:34:07.591 INFO kablam! error: Could not compile `unrest`.
Aug 01 19:34:07.591 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:34:07.766 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:07.766 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:34:07.766 INFO kablam!   |
Aug 01 19:34:07.766 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Aug 01 19:34:07.766 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:07.767 INFO kablam! 
Aug 01 19:34:07.767 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:34:07.767 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:34:07.767 INFO kablam!   |
Aug 01 19:34:07.767 INFO kablam! 2 | #![feature(proc_macro)]
Aug 01 19:34:07.767 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:34:07.767 INFO kablam! 
Aug 01 19:34:07.767 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:34:07.767 INFO kablam! 
Aug 01 19:34:07.767 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:34:07.781 INFO kablam! error: Could not compile `unrest`.
Aug 01 19:34:07.781 INFO kablam! 
Aug 01 19:34:07.781 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:34:07.789 INFO kablam! su: No module specific data is present
Aug 01 19:34:08.267 INFO running `"docker" "rm" "-f" "a0f01a1122022fae347d175e14f8992881d503ba27f16ed46f0000f4bb82ff7e"`
Aug 01 19:34:08.403 INFO blam! a0f01a1122022fae347d175e14f8992881d503ba27f16ed46f0000f4bb82ff7e