Aug 02 02:43:06.032 INFO checking papito_codegen-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 02:43:06.032 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:43:06.032 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:43:06.032 INFO running `"docker" "create" "-v" "/tmp/crater.Cr4YJJYRxkBa:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 02 02:43:06.288 INFO blam! 0773233755a2470be5b5760e2ac17e662d1f2ff5e2dac477a7ac390b109c69b9
Aug 02 02:43:06.290 INFO running `"docker" "start" "-a" "0773233755a2470be5b5760e2ac17e662d1f2ff5e2dac477a7ac390b109c69b9"`
Aug 02 02:43:07.641 INFO kablam!     Checking discard v1.0.3
Aug 02 02:43:07.641 INFO kablam!     Checking indexmap v1.0.1
Aug 02 02:43:07.642 INFO kablam!     Checking unicode-segmentation v1.2.1
Aug 02 02:43:07.643 INFO kablam!    Compiling papito_codegen v0.1.0 (file:///source)
Aug 02 02:43:07.643 INFO kablam!    Compiling stdweb-derive v0.4.0
Aug 02 02:43:10.149 INFO kablam!     Checking heck v0.3.0
Aug 02 02:43:11.362 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:43:11.362 INFO kablam!  --> src/lib.rs:1:1
Aug 02 02:43:11.362 INFO kablam!   |
Aug 02 02:43:11.362 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 02:43:11.362 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:43:11.362 INFO kablam! 
Aug 02 02:43:11.365 INFO kablam! error: aborting due to previous error
Aug 02 02:43:11.365 INFO kablam! 
Aug 02 02:43:11.365 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:43:11.377 INFO kablam! error: Could not compile `papito_codegen`.
Aug 02 02:43:11.377 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:43:16.670 INFO kablam! error: build failed
Aug 02 02:43:16.673 INFO kablam! su: No module specific data is present
Aug 02 02:43:17.194 INFO running `"docker" "rm" "-f" "0773233755a2470be5b5760e2ac17e662d1f2ff5e2dac477a7ac390b109c69b9"`
Aug 02 02:43:17.354 INFO blam! 0773233755a2470be5b5760e2ac17e662d1f2ff5e2dac477a7ac390b109c69b9