Aug 01 23:00:20.998 INFO checking savefile-derive-0.2.9 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:00:20.998 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:00:20.998 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:00:20.998 INFO running `"docker" "create" "-v" "/tmp/crater.cVCgRNRuJGOH:/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 01 23:00:21.223 INFO blam! 62442eaecc7c4f3f2f21dbf9f8c22c4da22883981ef34f9f87bab3d6f245b994
Aug 01 23:00:21.225 INFO running `"docker" "start" "-a" "62442eaecc7c4f3f2f21dbf9f8c22c4da22883981ef34f9f87bab3d6f245b994"`
Aug 01 23:00:22.140 INFO kablam!     Checking proc-macro2 v0.3.8
Aug 01 23:00:23.201 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:00:23.201 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/lib.rs:47:34
Aug 01 23:00:23.201 INFO kablam!    |
Aug 01 23:00:23.201 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(proc_macro))]
Aug 01 23:00:23.201 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^
Aug 01 23:00:23.201 INFO kablam! 
Aug 01 23:00:23.222 INFO kablam! error: aborting due to previous error
Aug 01 23:00:23.222 INFO kablam! 
Aug 01 23:00:23.222 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:00:23.233 INFO kablam! error: Could not compile `proc-macro2`.
Aug 01 23:00:23.234 INFO kablam! 
Aug 01 23:00:23.234 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 23:00:23.236 INFO kablam! su: No module specific data is present
Aug 01 23:00:23.929 INFO running `"docker" "rm" "-f" "62442eaecc7c4f3f2f21dbf9f8c22c4da22883981ef34f9f87bab3d6f245b994"`
Aug 01 23:00:24.078 INFO blam! 62442eaecc7c4f3f2f21dbf9f8c22c4da22883981ef34f9f87bab3d6f245b994