Aug 01 20:49:27.043 INFO checking tarpc-plugins-0.4.0 against 1.27.2 for lazy_static-1
Aug 01 20:49:27.043 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:49:27.043 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:49:27.043 INFO running `"docker" "create" "-v" "/tmp/crater.kFGliyxA2G5a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 01 20:49:27.265 INFO blam! fc5953bfa797428ff01385907bc6d2e82e03111485544aa81fc27bdf06dcf225
Aug 01 20:49:27.267 INFO running `"docker" "start" "-a" "fc5953bfa797428ff01385907bc6d2e82e03111485544aa81fc27bdf06dcf225"`
Aug 01 20:49:28.191 INFO kablam!     Checking either v1.5.0
Aug 01 20:49:28.688 INFO kablam!     Checking itertools v0.7.8
Aug 01 20:49:32.685 INFO kablam!     Checking tarpc-plugins v0.4.0 (file:///source)
Aug 01 20:49:33.930 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:49:33.930 INFO kablam!  --> src/lib.rs:1:1
Aug 01 20:49:33.930 INFO kablam!   |
Aug 01 20:49:33.930 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private)]
Aug 01 20:49:33.930 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:49:33.930 INFO kablam! 
Aug 01 20:49:33.930 INFO kablam! error: aborting due to previous error
Aug 01 20:49:33.930 INFO kablam! 
Aug 01 20:49:33.931 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:49:33.944 INFO kablam! error: Could not compile `tarpc-plugins`.
Aug 01 20:49:33.944 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:49:34.035 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:49:34.035 INFO kablam!  --> src/lib.rs:1:1
Aug 01 20:49:34.035 INFO kablam!   |
Aug 01 20:49:34.035 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private)]
Aug 01 20:49:34.035 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:49:34.035 INFO kablam! 
Aug 01 20:49:34.036 INFO kablam! error: aborting due to previous error
Aug 01 20:49:34.036 INFO kablam! 
Aug 01 20:49:34.036 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:49:34.053 INFO kablam! error: Could not compile `tarpc-plugins`.
Aug 01 20:49:34.053 INFO kablam! 
Aug 01 20:49:34.053 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:49:34.055 INFO kablam! su: No module specific data is present
Aug 01 20:49:34.641 INFO running `"docker" "rm" "-f" "fc5953bfa797428ff01385907bc6d2e82e03111485544aa81fc27bdf06dcf225"`
Aug 01 20:49:34.772 INFO blam! fc5953bfa797428ff01385907bc6d2e82e03111485544aa81fc27bdf06dcf225