Aug 02 04:38:34.133 INFO checking maud-0.17.5 against 1.27.2 for lazy_static-1
Aug 02 04:38:34.133 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:38:34.133 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:38:34.133 INFO running `"docker" "create" "-v" "/tmp/crater.VFxl4jsjGTid:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 04:38:34.431 INFO blam! ac5ccdd5cffe56bfc8a8d7256bf78e7e4325c86bbb3a44f0c18ee2135a5f7de5
Aug 02 04:38:34.434 INFO running `"docker" "start" "-a" "ac5ccdd5cffe56bfc8a8d7256bf78e7e4325c86bbb3a44f0c18ee2135a5f7de5"`
Aug 02 04:38:35.649 INFO kablam!    Compiling literalext v0.1.1
Aug 02 04:38:35.651 INFO kablam!    Compiling if_chain v0.1.3
Aug 02 04:38:36.022 INFO kablam!    Compiling maud_lints v0.17.4
Aug 02 04:38:36.981 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:38:36.981 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.1.1/src/lib.rs:19:37
Aug 02 04:38:36.981 INFO kablam!    |
Aug 02 04:38:36.981 INFO kablam! 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
Aug 02 04:38:36.981 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^
Aug 02 04:38:36.981 INFO kablam! 
Aug 02 04:38:36.983 INFO kablam! error: aborting due to previous error
Aug 02 04:38:36.983 INFO kablam! 
Aug 02 04:38:36.983 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:38:36.993 INFO kablam! error: Could not compile `literalext`.
Aug 02 04:38:36.994 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:38:37.718 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:38:37.718 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_lints-0.17.4/src/lib.rs:1:1
Aug 02 04:38:37.718 INFO kablam!   |
Aug 02 04:38:37.718 INFO kablam! 1 | #![feature(plugin_registrar)]
Aug 02 04:38:37.718 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:38:37.719 INFO kablam! 
Aug 02 04:38:37.720 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:38:37.720 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_lints-0.17.4/src/lib.rs:2:1
Aug 02 04:38:37.720 INFO kablam!   |
Aug 02 04:38:37.720 INFO kablam! 2 | #![feature(rustc_private)]
Aug 02 04:38:37.720 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:38:37.720 INFO kablam! 
Aug 02 04:38:37.720 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:38:37.720 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/maud_lints-0.17.4/src/lib.rs:3:1
Aug 02 04:38:37.720 INFO kablam!   |
Aug 02 04:38:37.720 INFO kablam! 3 | #![feature(macro_vis_matcher)]
Aug 02 04:38:37.720 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:38:37.720 INFO kablam! 
Aug 02 04:38:37.720 INFO kablam! error: aborting due to 3 previous errors
Aug 02 04:38:37.720 INFO kablam! 
Aug 02 04:38:37.720 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:38:37.741 INFO kablam! error: Could not compile `maud_lints`.
Aug 02 04:38:37.741 INFO kablam! 
Aug 02 04:38:37.742 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:38:37.744 INFO kablam! su: No module specific data is present
Aug 02 04:38:38.432 INFO running `"docker" "rm" "-f" "ac5ccdd5cffe56bfc8a8d7256bf78e7e4325c86bbb3a44f0c18ee2135a5f7de5"`
Aug 02 04:38:38.519 INFO blam! ac5ccdd5cffe56bfc8a8d7256bf78e7e4325c86bbb3a44f0c18ee2135a5f7de5