Aug 02 04:40:10.905 INFO checking mastodon-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:40:10.905 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:40:10.905 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:40:10.905 INFO running `"docker" "create" "-v" "/tmp/crater.cRZCypJ6v5Kj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 04:40:11.178 INFO blam! fd1fad6306f866cea4334d57af7cbf562bcf8d9105829345847024a26abffe90
Aug 02 04:40:11.180 INFO running `"docker" "start" "-a" "fd1fad6306f866cea4334d57af7cbf562bcf8d9105829345847024a26abffe90"`
Aug 02 04:40:13.150 INFO kablam!     Checking mastodon v0.1.0 (file:///source)
Aug 02 04:40:14.433 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:40:14.433 INFO kablam!  --> src/lib.rs:1:1
Aug 02 04:40:14.433 INFO kablam!   |
Aug 02 04:40:14.433 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 04:40:14.433 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:40:14.433 INFO kablam! 
Aug 02 04:40:14.438 INFO kablam! error: aborting due to previous error
Aug 02 04:40:14.438 INFO kablam! 
Aug 02 04:40:14.439 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:40:14.449 INFO kablam! error: Could not compile `mastodon`.
Aug 02 04:40:14.452 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:40:14.455 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:40:14.455 INFO kablam!  --> src/lib.rs:1:1
Aug 02 04:40:14.455 INFO kablam!   |
Aug 02 04:40:14.455 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 04:40:14.455 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:40:14.456 INFO kablam! 
Aug 02 04:40:14.478 INFO kablam! error: aborting due to previous error
Aug 02 04:40:14.478 INFO kablam! 
Aug 02 04:40:14.479 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:40:14.496 INFO kablam! error: Could not compile `mastodon`.
Aug 02 04:40:14.496 INFO kablam! 
Aug 02 04:40:14.496 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:40:14.498 INFO kablam! su: No module specific data is present
Aug 02 04:40:15.183 INFO running `"docker" "rm" "-f" "fd1fad6306f866cea4334d57af7cbf562bcf8d9105829345847024a26abffe90"`
Aug 02 04:40:15.423 INFO blam! fd1fad6306f866cea4334d57af7cbf562bcf8d9105829345847024a26abffe90