Aug 01 19:45:01.190 INFO checking u2size-0.1.4 against 1.27.2 for lazy_static-1
Aug 01 19:45:01.190 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:45:01.190 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:45:01.190 INFO running `"docker" "create" "-v" "/tmp/crater.kzWEobY71bji:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 01 19:45:01.379 INFO blam! 3cdc94b704d621c943de6315eb4b0b0b0b207fd3790983a1cf3f77e5ba8d5bd8
Aug 01 19:45:01.381 INFO running `"docker" "start" "-a" "3cdc94b704d621c943de6315eb4b0b0b0b207fd3790983a1cf3f77e5ba8d5bd8"`
Aug 01 19:45:03.044 INFO kablam!     Checking u2size v0.1.4 (file:///source)
Aug 01 19:45:03.192 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:45:03.192 INFO kablam!  --> src/lib.rs:3:1
Aug 01 19:45:03.192 INFO kablam!   |
Aug 01 19:45:03.192 INFO kablam! 3 | #![feature(asm)]
Aug 01 19:45:03.192 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 01 19:45:03.192 INFO kablam! 
Aug 01 19:45:03.192 INFO kablam! error: aborting due to previous error
Aug 01 19:45:03.192 INFO kablam! 
Aug 01 19:45:03.192 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:45:03.197 INFO kablam! error: Could not compile `u2size`.
Aug 01 19:45:03.197 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:45:03.296 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:45:03.296 INFO kablam!  --> src/lib.rs:3:1
Aug 01 19:45:03.296 INFO kablam!   |
Aug 01 19:45:03.296 INFO kablam! 3 | #![feature(asm)]
Aug 01 19:45:03.296 INFO kablam!   | ^^^^^^^^^^^^^^^^
Aug 01 19:45:03.296 INFO kablam! 
Aug 01 19:45:03.296 INFO kablam! error: aborting due to previous error
Aug 01 19:45:03.296 INFO kablam! 
Aug 01 19:45:03.296 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:45:03.301 INFO kablam! error: Could not compile `u2size`.
Aug 01 19:45:03.301 INFO kablam! 
Aug 01 19:45:03.301 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:45:03.302 INFO kablam! su: No module specific data is present
Aug 01 19:45:03.896 INFO running `"docker" "rm" "-f" "3cdc94b704d621c943de6315eb4b0b0b0b207fd3790983a1cf3f77e5ba8d5bd8"`
Aug 01 19:45:04.060 INFO blam! 3cdc94b704d621c943de6315eb4b0b0b0b207fd3790983a1cf3f77e5ba8d5bd8