Aug 02 12:48:34.816 INFO checking clear_on_drop-0.2.3 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:48:34.816 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:48:34.816 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:48:34.816 INFO running `"docker" "create" "-v" "/tmp/crater.TaZ10AvTVnnM:/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 02 12:48:35.161 INFO blam! b801d624e485426131bc99229cb094f26d6fec6184a1c3cd17b2b5e69723041c
Aug 02 12:48:35.164 INFO running `"docker" "start" "-a" "b801d624e485426131bc99229cb094f26d6fec6184a1c3cd17b2b5e69723041c"`
Aug 02 12:48:36.759 INFO kablam!    Compiling clear_on_drop v0.2.3 (file:///source)
Aug 02 12:48:39.068 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:48:39.068 INFO kablam!  --> benches/clear_stack_on_return.rs:1:1
Aug 02 12:48:39.068 INFO kablam!   |
Aug 02 12:48:39.068 INFO kablam! 1 | #![feature(test)]
Aug 02 12:48:39.068 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:48:39.068 INFO kablam! 
Aug 02 12:48:39.068 INFO kablam! error: aborting due to previous error
Aug 02 12:48:39.068 INFO kablam! 
Aug 02 12:48:39.069 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:48:39.076 INFO kablam! error: Could not compile `clear_on_drop`.
Aug 02 12:48:39.077 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:48:39.390 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:48:39.390 INFO kablam!  --> benches/clear_on_drop.rs:1:1
Aug 02 12:48:39.390 INFO kablam!   |
Aug 02 12:48:39.390 INFO kablam! 1 | #![feature(test)]
Aug 02 12:48:39.390 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:48:39.390 INFO kablam! 
Aug 02 12:48:39.391 INFO kablam! error: aborting due to previous error
Aug 02 12:48:39.391 INFO kablam! 
Aug 02 12:48:39.392 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:48:39.399 INFO kablam! error: Could not compile `clear_on_drop`.
Aug 02 12:48:39.399 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:48:39.548 INFO kablam! error: build failed
Aug 02 12:48:39.550 INFO kablam! su: No module specific data is present
Aug 02 12:48:40.072 INFO running `"docker" "rm" "-f" "b801d624e485426131bc99229cb094f26d6fec6184a1c3cd17b2b5e69723041c"`
Aug 02 12:48:40.221 INFO blam! b801d624e485426131bc99229cb094f26d6fec6184a1c3cd17b2b5e69723041c