Aug 02 04:38:31.806 INFO checking maud-pulldown-cmark-0.5.0 against 1.27.2 for lazy_static-1
Aug 02 04:38:31.806 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:38:31.806 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:38:31.806 INFO running `"docker" "create" "-v" "/tmp/crater.eXLW1mthQTLB:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 04:38:32.067 INFO blam! f4fe80f93c0c1670301d4971555cb97e79a82013dd0ed02ee54261b00c4aa11d
Aug 02 04:38:32.069 INFO running `"docker" "start" "-a" "f4fe80f93c0c1670301d4971555cb97e79a82013dd0ed02ee54261b00c4aa11d"`
Aug 02 04:38:33.101 INFO kablam!     Checking maud v0.14.0
Aug 02 04:38:33.102 INFO kablam!     Checking pulldown-cmark v0.0.3
Aug 02 04:38:33.102 INFO kablam!     Checking pulldown-cmark v0.0.8
Aug 02 04:38:33.102 INFO kablam!    Compiling skeptic v0.6.1
Aug 02 04:38:33.603 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:38:33.603 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/maud-0.14.0/src/lib.rs:1:1
Aug 02 04:38:33.603 INFO kablam!   |
Aug 02 04:38:33.603 INFO kablam! 1 | #![feature(specialization)]
Aug 02 04:38:33.603 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:38:33.603 INFO kablam! 
Aug 02 04:38:33.611 INFO kablam! error: aborting due to previous error
Aug 02 04:38:33.611 INFO kablam! 
Aug 02 04:38:33.611 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:38:33.632 INFO kablam! error: Could not compile `maud`.
Aug 02 04:38:33.633 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:38:33.948 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:38:33.948 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/maud-0.14.0/src/lib.rs:1:1
Aug 02 04:38:33.948 INFO kablam!   |
Aug 02 04:38:33.948 INFO kablam! 1 | #![feature(specialization)]
Aug 02 04:38:33.948 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:38:33.948 INFO kablam! 
Aug 02 04:38:33.950 INFO kablam! error: aborting due to previous error
Aug 02 04:38:33.950 INFO kablam! 
Aug 02 04:38:33.950 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:38:33.963 INFO kablam! error: Could not compile `maud`.
Aug 02 04:38:33.968 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:38:37.302 INFO kablam! error: build failed
Aug 02 04:38:37.304 INFO kablam! su: No module specific data is present
Aug 02 04:38:37.885 INFO running `"docker" "rm" "-f" "f4fe80f93c0c1670301d4971555cb97e79a82013dd0ed02ee54261b00c4aa11d"`
Aug 02 04:38:38.014 INFO blam! f4fe80f93c0c1670301d4971555cb97e79a82013dd0ed02ee54261b00c4aa11d