Aug 01 23:57:18.467 INFO checking ruma-events-0.10.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:57:18.467 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:57:18.467 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:57:18.467 INFO running `"docker" "create" "-v" "/tmp/crater.txfjFTyK3LnR:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 23:57:18.759 INFO blam! 7b96e44e243d004b89acb94a376283f2b586a3343a1a5b7f401d37950189653e
Aug 01 23:57:18.761 INFO running `"docker" "start" "-a" "7b96e44e243d004b89acb94a376283f2b586a3343a1a5b7f401d37950189653e"`
Aug 01 23:57:20.083 INFO kablam!     Checking ruma-identifiers v0.11.0
Aug 01 23:57:20.084 INFO kablam!    Compiling rayon v0.7.1
Aug 01 23:57:21.327 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:57:21.327 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ruma-identifiers-0.11.0/src/lib.rs:4:1
Aug 01 23:57:21.327 INFO kablam!   |
Aug 01 23:57:21.327 INFO kablam! 4 | #![feature(try_from)]
Aug 01 23:57:21.327 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:57:21.327 INFO kablam! 
Aug 01 23:57:21.329 INFO kablam! error: aborting due to previous error
Aug 01 23:57:21.330 INFO kablam! 
Aug 01 23:57:21.331 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:57:21.351 INFO kablam! error: Could not compile `ruma-identifiers`.
Aug 01 23:57:21.351 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:57:24.445 INFO kablam! error: build failed
Aug 01 23:57:24.446 INFO kablam! su: No module specific data is present
Aug 01 23:57:25.146 INFO running `"docker" "rm" "-f" "7b96e44e243d004b89acb94a376283f2b586a3343a1a5b7f401d37950189653e"`
Aug 01 23:57:25.243 INFO blam! 7b96e44e243d004b89acb94a376283f2b586a3343a1a5b7f401d37950189653e