Aug 01 23:57:32.410 INFO checking ruma-api-macros-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:57:32.410 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:57:32.410 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:57:32.410 INFO running `"docker" "create" "-v" "/tmp/crater.GyUIxGBl6MU5:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 23:57:32.683 INFO blam! 6760af326017fb45ae96846bc391c7c2950a3fc60bb03f795ba862e23b4b19c6
Aug 01 23:57:32.687 INFO running `"docker" "start" "-a" "6760af326017fb45ae96846bc391c7c2950a3fc60bb03f795ba862e23b4b19c6"`
Aug 01 23:57:34.713 INFO kablam!     Checking matches v0.1.7
Aug 01 23:57:34.713 INFO kablam!    Compiling smallvec v0.2.1
Aug 01 23:57:34.713 INFO kablam!    Compiling take v0.1.0
Aug 01 23:57:34.715 INFO kablam!     Checking unicode-normalization v0.1.7
Aug 01 23:57:34.716 INFO kablam!     Checking try-lock v0.1.0
Aug 01 23:57:34.718 INFO kablam!     Checking safemem v0.2.0
Aug 01 23:57:34.718 INFO kablam!     Checking percent-encoding v1.0.1
Aug 01 23:57:36.735 INFO kablam!     Checking language-tags v0.2.2
Aug 01 23:57:36.863 INFO kablam!     Checking tokio-service v0.1.0
Aug 01 23:57:37.439 INFO kablam!     Checking relay v0.1.1
Aug 01 23:57:37.541 INFO kablam!     Checking unicode-bidi v0.3.4
Aug 01 23:57:38.469 INFO kablam!     Checking base64 v0.9.2
Aug 01 23:57:39.619 INFO kablam!     Checking rand v0.3.22
Aug 01 23:57:39.932 INFO kablam!     Checking futures-cpupool v0.1.8
Aug 01 23:57:41.255 INFO kablam!     Checking want v0.0.4
Aug 01 23:57:41.749 INFO kablam!     Checking httparse v1.3.2
Aug 01 23:57:42.087 INFO kablam!     Checking tokio-io v0.1.7
Aug 01 23:57:43.458 INFO kablam!     Checking unicase v2.1.0
Aug 01 23:57:44.383 INFO kablam!     Checking tokio-threadpool v0.1.5
Aug 01 23:57:45.551 INFO kablam!    Compiling tokio-proto v0.1.1
Aug 01 23:57:51.123 INFO kablam!     Checking mime v0.3.8
Aug 01 23:57:56.014 INFO kablam!     Checking tokio-reactor v0.1.2
Aug 01 23:57:56.014 INFO kablam!     Checking tokio-codec v0.1.0
Aug 01 23:57:58.689 INFO kablam!     Checking tokio-fs v0.1.2
Aug 01 23:58:01.507 INFO kablam!     Checking tokio-tcp v0.1.0
Aug 01 23:58:01.509 INFO kablam!     Checking tokio-udp v0.1.1
Aug 01 23:58:05.293 INFO kablam!     Checking tokio v0.1.7
Aug 01 23:58:07.693 INFO kablam!    Compiling hyper v0.11.27
Aug 01 23:58:09.413 INFO kablam!     Checking tokio-core v0.1.17
Aug 01 23:58:42.767 INFO kablam!    Compiling ruma-api v0.4.0
Aug 01 23:58:44.585 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:58:44.585 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ruma-api-0.4.0/src/lib.rs:14:1
Aug 01 23:58:44.585 INFO kablam!    |
Aug 01 23:58:44.585 INFO kablam! 14 | #![feature(associated_consts, try_from)]
Aug 01 23:58:44.585 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:58:44.585 INFO kablam! 
Aug 01 23:58:44.585 INFO kablam! error: aborting due to previous error
Aug 01 23:58:44.585 INFO kablam! 
Aug 01 23:58:44.586 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:58:44.596 INFO kablam! error: Could not compile `ruma-api`.
Aug 01 23:58:44.596 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:58:52.136 INFO kablam! error: build failed
Aug 01 23:58:52.137 INFO kablam! su: No module specific data is present
Aug 01 23:58:52.583 INFO running `"docker" "rm" "-f" "6760af326017fb45ae96846bc391c7c2950a3fc60bb03f795ba862e23b4b19c6"`
Aug 01 23:58:52.679 INFO blam! 6760af326017fb45ae96846bc391c7c2950a3fc60bb03f795ba862e23b4b19c6