Aug 01 23:25:50.383 INFO checking rustc-serialize-0.3.24 against 1.27.2 for lazy_static-1
Aug 01 23:25:50.383 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:25:50.383 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:25:50.383 INFO running `"docker" "create" "-v" "/tmp/crater.eTZcUDy2Riyw:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 23:25:50.627 INFO blam! e8f33133ae0519c4b873217e78f84e9d93ac19511079f253833f0b6c9a0b6248
Aug 01 23:25:50.629 INFO running `"docker" "start" "-a" "e8f33133ae0519c4b873217e78f84e9d93ac19511079f253833f0b6c9a0b6248"`
Aug 01 23:25:51.943 INFO kablam!     Checking rustc-serialize v0.3.24 (file:///source)
Aug 01 23:26:04.114 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:04.115 INFO kablam!  --> benches/hex.rs:1:1
Aug 01 23:26:04.115 INFO kablam!   |
Aug 01 23:26:04.115 INFO kablam! 1 | #![feature(test)]
Aug 01 23:26:04.115 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 23:26:04.115 INFO kablam! 
Aug 01 23:26:04.116 INFO kablam! error: aborting due to previous error
Aug 01 23:26:04.116 INFO kablam! 
Aug 01 23:26:04.116 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:04.125 INFO kablam! error: Could not compile `rustc-serialize`.
Aug 01 23:26:04.126 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:04.262 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:04.262 INFO kablam!  --> benches/base64.rs:1:1
Aug 01 23:26:04.262 INFO kablam!   |
Aug 01 23:26:04.262 INFO kablam! 1 | #![feature(test)]
Aug 01 23:26:04.262 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 23:26:04.262 INFO kablam! 
Aug 01 23:26:04.263 INFO kablam! error: aborting due to previous error
Aug 01 23:26:04.263 INFO kablam! 
Aug 01 23:26:04.263 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:04.276 INFO kablam! error: Could not compile `rustc-serialize`.
Aug 01 23:26:04.276 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:04.387 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:26:04.387 INFO kablam!  --> benches/json.rs:1:1
Aug 01 23:26:04.387 INFO kablam!   |
Aug 01 23:26:04.387 INFO kablam! 1 | #![feature(test)]
Aug 01 23:26:04.387 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 23:26:04.387 INFO kablam! 
Aug 01 23:26:04.387 INFO kablam! error: aborting due to previous error
Aug 01 23:26:04.387 INFO kablam! 
Aug 01 23:26:04.387 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:26:04.392 INFO kablam! error: Could not compile `rustc-serialize`.
Aug 01 23:26:04.392 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:26:06.855 INFO kablam! error: build failed
Aug 01 23:26:06.857 INFO kablam! su: No module specific data is present
Aug 01 23:26:07.598 INFO running `"docker" "rm" "-f" "e8f33133ae0519c4b873217e78f84e9d93ac19511079f253833f0b6c9a0b6248"`
Aug 01 23:26:07.725 INFO blam! e8f33133ae0519c4b873217e78f84e9d93ac19511079f253833f0b6c9a0b6248