Aug 02 07:27:26.988 INFO checking hamt-sync-0.2.5 against 1.27.2+tmplazy for lazy_static-1
Aug 02 07:27:26.988 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:27:26.989 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:27:26.989 INFO running `"docker" "create" "-v" "/tmp/crater.fMvXsA9LOCbK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 02 07:27:27.340 INFO blam! 353f947bf5a91b36dac1b0165b3a5ae9c86b9a11a1cab7b56540bc386f1eb966
Aug 02 07:27:27.343 INFO running `"docker" "start" "-a" "353f947bf5a91b36dac1b0165b3a5ae9c86b9a11a1cab7b56540bc386f1eb966"`
Aug 02 07:27:28.466 INFO kablam!     Checking hamt-sync v0.2.5 (file:///source)
Aug 02 07:27:29.312 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:27:29.312 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:27:29.312 INFO kablam!   |
Aug 02 07:27:29.312 INFO kablam! 1 | #![feature(test)]
Aug 02 07:27:29.312 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:27:29.312 INFO kablam! 
Aug 02 07:27:29.313 INFO kablam! error: aborting due to previous error
Aug 02 07:27:29.313 INFO kablam! 
Aug 02 07:27:29.313 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:27:29.334 INFO kablam! error: Could not compile `hamt-sync`.
Aug 02 07:27:29.334 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:27:29.482 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:27:29.482 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:27:29.482 INFO kablam!   |
Aug 02 07:27:29.483 INFO kablam! 1 | #![feature(test)]
Aug 02 07:27:29.483 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 07:27:29.483 INFO kablam! 
Aug 02 07:27:29.487 INFO kablam! error: aborting due to previous error
Aug 02 07:27:29.487 INFO kablam! 
Aug 02 07:27:29.487 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:27:29.502 INFO kablam! error: Could not compile `hamt-sync`.
Aug 02 07:27:29.502 INFO kablam! 
Aug 02 07:27:29.502 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:27:29.503 INFO kablam! su: No module specific data is present
Aug 02 07:27:30.094 INFO running `"docker" "rm" "-f" "353f947bf5a91b36dac1b0165b3a5ae9c86b9a11a1cab7b56540bc386f1eb966"`
Aug 02 07:27:30.258 INFO blam! 353f947bf5a91b36dac1b0165b3a5ae9c86b9a11a1cab7b56540bc386f1eb966