Aug 02 10:41:55.997 INFO checking esparse-0.0.4 against 1.27.2+tmplazy for lazy_static-1
Aug 02 10:41:55.997 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:41:55.997 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:41:55.997 INFO running `"docker" "create" "-v" "/tmp/crater.ac7cGUjAr2Ro:/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 02 10:41:56.242 INFO blam! 1fbab0902f12b61a28a52e1487e028c06e75df2c3fb6113602e0b823b8b6c8e5
Aug 02 10:41:56.242 INFO running `"docker" "start" "-a" "1fbab0902f12b61a28a52e1487e028c06e75df2c3fb6113602e0b823b8b6c8e5"`
Aug 02 10:41:57.290 INFO kablam!     Checking esparse v0.0.4 (file:///source)
Aug 02 10:41:57.961 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:41:57.961 INFO kablam!  --> src/lib.rs:3:19
Aug 02 10:41:57.961 INFO kablam!   |
Aug 02 10:41:57.961 INFO kablam! 3 | #![cfg_attr(test, feature(test))]
Aug 02 10:41:57.961 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 10:41:57.971 INFO kablam! 
Aug 02 10:41:57.995 INFO kablam! error: aborting due to previous error
Aug 02 10:41:57.995 INFO kablam! 
Aug 02 10:41:57.995 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:41:58.004 INFO kablam! error: Could not compile `esparse`.
Aug 02 10:41:58.004 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:41:59.569 INFO kablam! error: build failed
Aug 02 10:41:59.570 INFO kablam! su: No module specific data is present
Aug 02 10:42:00.375 INFO running `"docker" "rm" "-f" "1fbab0902f12b61a28a52e1487e028c06e75df2c3fb6113602e0b823b8b6c8e5"`
Aug 02 10:42:00.527 INFO blam! 1fbab0902f12b61a28a52e1487e028c06e75df2c3fb6113602e0b823b8b6c8e5