Aug 02 01:57:03.049 INFO checking primitivemap-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:57:03.049 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:57:03.049 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:57:03.049 INFO running `"docker" "create" "-v" "/tmp/crater.Tt8mlma5gj80:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 01:57:03.262 INFO blam! a2aed4f5c3582d5f12e923a412ffbb23d6008315d07e66f44721695eaaa1d392
Aug 02 01:57:03.269 INFO running `"docker" "start" "-a" "a2aed4f5c3582d5f12e923a412ffbb23d6008315d07e66f44721695eaaa1d392"`
Aug 02 01:57:04.361 INFO kablam!     Checking primitivemap v0.1.0 (file:///source)
Aug 02 01:57:06.432 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:57:06.432 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 01:57:06.432 INFO kablam!   |
Aug 02 01:57:06.432 INFO kablam! 1 | #![feature(test)]
Aug 02 01:57:06.432 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 01:57:06.432 INFO kablam! 
Aug 02 01:57:06.433 INFO kablam! error: aborting due to previous error
Aug 02 01:57:06.433 INFO kablam! 
Aug 02 01:57:06.433 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:57:06.440 INFO kablam! error: Could not compile `primitivemap`.
Aug 02 01:57:06.440 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:57:06.901 INFO kablam! error: build failed
Aug 02 01:57:06.902 INFO kablam! su: No module specific data is present
Aug 02 01:57:07.476 INFO running `"docker" "rm" "-f" "a2aed4f5c3582d5f12e923a412ffbb23d6008315d07e66f44721695eaaa1d392"`
Aug 02 01:57:07.623 INFO blam! a2aed4f5c3582d5f12e923a412ffbb23d6008315d07e66f44721695eaaa1d392