Aug 02 12:20:55.304 INFO checking counting-networks-0.1.3 against 1.27.2 for lazy_static-1
Aug 02 12:20:55.304 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:20:55.304 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:20:55.304 INFO running `"docker" "create" "-v" "/tmp/crater.PbyLFfWoQ1z9:/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 02 12:20:55.551 INFO blam! 96f59ac8e535f21d950f74fe3fa56bb973a6fa1a8aed84a06fbe2e10dd2fad60
Aug 02 12:20:55.553 INFO running `"docker" "start" "-a" "96f59ac8e535f21d950f74fe3fa56bb973a6fa1a8aed84a06fbe2e10dd2fad60"`
Aug 02 12:20:56.780 INFO kablam!     Checking counting-networks v0.1.3 (file:///source)
Aug 02 12:20:57.463 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:20:57.463 INFO kablam!  --> src/lib.rs:1:1
Aug 02 12:20:57.463 INFO kablam!   |
Aug 02 12:20:57.463 INFO kablam! 1 | #![feature(allocator_api, pointer_methods, attr_literals, shared)]
Aug 02 12:20:57.463 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:20:57.471 INFO kablam! 
Aug 02 12:20:57.478 INFO kablam! error: aborting due to previous error
Aug 02 12:20:57.479 INFO kablam! 
Aug 02 12:20:57.479 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:20:57.505 INFO kablam! error: Could not compile `counting-networks`.
Aug 02 12:20:57.505 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:20:57.506 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:20:57.506 INFO kablam!  --> src/lib.rs:1:1
Aug 02 12:20:57.506 INFO kablam!   |
Aug 02 12:20:57.506 INFO kablam! 1 | #![feature(allocator_api, pointer_methods, attr_literals, shared)]
Aug 02 12:20:57.506 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:20:57.506 INFO kablam! 
Aug 02 12:20:57.512 INFO kablam! error: aborting due to previous error
Aug 02 12:20:57.512 INFO kablam! 
Aug 02 12:20:57.512 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:20:57.520 INFO kablam! error: Could not compile `counting-networks`.
Aug 02 12:20:57.520 INFO kablam! 
Aug 02 12:20:57.520 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:20:57.522 INFO kablam! su: No module specific data is present
Aug 02 12:20:58.321 INFO running `"docker" "rm" "-f" "96f59ac8e535f21d950f74fe3fa56bb973a6fa1a8aed84a06fbe2e10dd2fad60"`
Aug 02 12:20:58.481 INFO blam! 96f59ac8e535f21d950f74fe3fa56bb973a6fa1a8aed84a06fbe2e10dd2fad60