Aug 02 02:10:24.887 INFO checking pocket_prover-0.5.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:10:24.887 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:10:24.887 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:10:24.887 INFO running `"docker" "create" "-v" "/tmp/crater.hXwozca3M4If:/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 02:10:25.159 INFO blam! cbfd8e178db39180dd249aa2f6e465ec96d1149241f22e9b19f1e03a218c4d75
Aug 02 02:10:25.161 INFO running `"docker" "start" "-a" "cbfd8e178db39180dd249aa2f6e465ec96d1149241f22e9b19f1e03a218c4d75"`
Aug 02 02:10:26.281 INFO kablam!     Checking pocket_prover v0.5.0 (file:///source)
Aug 02 02:10:30.762 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:10:30.762 INFO kablam!  --> examples/vars.rs:1:1
Aug 02 02:10:30.762 INFO kablam!   |
Aug 02 02:10:30.762 INFO kablam! 1 | #![feature(slice_patterns)]
Aug 02 02:10:30.762 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:10:30.762 INFO kablam! 
Aug 02 02:10:30.762 INFO kablam! error: aborting due to previous error
Aug 02 02:10:30.762 INFO kablam! 
Aug 02 02:10:30.763 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:10:30.800 INFO kablam! error: Could not compile `pocket_prover`.
Aug 02 02:10:30.800 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:10:30.971 INFO kablam! error: build failed
Aug 02 02:10:30.973 INFO kablam! su: No module specific data is present
Aug 02 02:10:31.507 INFO running `"docker" "rm" "-f" "cbfd8e178db39180dd249aa2f6e465ec96d1149241f22e9b19f1e03a218c4d75"`
Aug 02 02:10:31.648 INFO blam! cbfd8e178db39180dd249aa2f6e465ec96d1149241f22e9b19f1e03a218c4d75