Aug 02 11:17:58.691 INFO checking docopt_macros-0.8.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:17:58.691 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:17:58.691 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:17:58.692 INFO running `"docker" "create" "-v" "/tmp/crater.EPCjr6qic8a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 02 11:17:58.915 INFO blam! 5b9ea7d04ef7029046aa8dceec49a001ea4260b6aa15f2589074265b1d1fdcbd
Aug 02 11:17:58.926 INFO running `"docker" "start" "-a" "5b9ea7d04ef7029046aa8dceec49a001ea4260b6aa15f2589074265b1d1fdcbd"`
Aug 02 11:18:00.620 INFO kablam!     Checking strsim v0.6.0
Aug 02 11:18:00.620 INFO kablam!    Compiling memchr v2.0.1
Aug 02 11:18:01.719 INFO kablam!     Checking docopt v0.8.3
Aug 02 11:18:01.783 INFO kablam!    Compiling aho-corasick v0.6.6
Aug 02 11:18:04.280 INFO kablam!    Compiling regex v0.2.11
Aug 02 11:18:06.594 INFO kablam!     Checking docopt_macros v0.8.1 (file:///source)
Aug 02 11:18:12.796 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:18:12.796 INFO kablam!  --> src/macro.rs:4:1
Aug 02 11:18:12.796 INFO kablam!   |
Aug 02 11:18:12.796 INFO kablam! 4 | #![feature(plugin_registrar, quote, rustc_private)]
Aug 02 11:18:12.796 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:18:12.796 INFO kablam! 
Aug 02 11:18:12.805 INFO kablam! error: aborting due to previous error
Aug 02 11:18:12.805 INFO kablam! 
Aug 02 11:18:12.805 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:18:12.864 INFO kablam! error: Could not compile `docopt_macros`.
Aug 02 11:18:12.865 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:18:13.557 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:18:13.557 INFO kablam!  --> src/macro.rs:4:1
Aug 02 11:18:13.557 INFO kablam!   |
Aug 02 11:18:13.557 INFO kablam! 4 | #![feature(plugin_registrar, quote, rustc_private)]
Aug 02 11:18:13.557 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:18:13.557 INFO kablam! 
Aug 02 11:18:13.558 INFO kablam! error: aborting due to previous error
Aug 02 11:18:13.558 INFO kablam! 
Aug 02 11:18:13.558 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:18:13.595 INFO kablam! error: Could not compile `docopt_macros`.
Aug 02 11:18:13.595 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:18:25.061 INFO kablam! error: build failed
Aug 02 11:18:25.063 INFO kablam! su: No module specific data is present
Aug 02 11:18:26.025 INFO running `"docker" "rm" "-f" "5b9ea7d04ef7029046aa8dceec49a001ea4260b6aa15f2589074265b1d1fdcbd"`
Aug 02 11:18:26.156 INFO blam! 5b9ea7d04ef7029046aa8dceec49a001ea4260b6aa15f2589074265b1d1fdcbd