Aug 01 20:49:47.434 INFO checking tarpaulin-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:49:47.434 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:49:47.434 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:49:47.434 INFO running `"docker" "create" "-v" "/tmp/crater.TXGXi31QaSL7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 20:49:47.658 INFO blam! c11300d4af52b83ec0e419e784613d4b9e6c5c51b999e812a3be0a0445e9ab9a
Aug 01 20:49:47.661 INFO running `"docker" "start" "-a" "c11300d4af52b83ec0e419e784613d4b9e6c5c51b999e812a3be0a0445e9ab9a"`
Aug 01 20:49:49.230 INFO kablam!     Checking two-lock-queue v0.1.1
Aug 01 20:49:49.232 INFO kablam!    Compiling itertools v0.6.5
Aug 01 20:49:49.676 INFO kablam!     Checking thread-pool v0.1.1
Aug 01 20:49:52.402 INFO kablam!    Compiling tarpc-plugins v0.2.0
Aug 01 20:49:53.327 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:49:53.327 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/tarpc-plugins-0.2.0/src/lib.rs:1:1
Aug 01 20:49:53.327 INFO kablam!   |
Aug 01 20:49:53.327 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private)]
Aug 01 20:49:53.327 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 20:49:53.327 INFO kablam! 
Aug 01 20:49:53.328 INFO kablam! error: aborting due to previous error
Aug 01 20:49:53.328 INFO kablam! 
Aug 01 20:49:53.328 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:49:53.351 INFO kablam! error: Could not compile `tarpc-plugins`.
Aug 01 20:49:53.351 INFO kablam! 
Aug 01 20:49:53.351 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:49:53.353 INFO kablam! su: No module specific data is present
Aug 01 20:49:53.846 INFO running `"docker" "rm" "-f" "c11300d4af52b83ec0e419e784613d4b9e6c5c51b999e812a3be0a0445e9ab9a"`
Aug 01 20:49:53.980 INFO blam! c11300d4af52b83ec0e419e784613d4b9e6c5c51b999e812a3be0a0445e9ab9a