Aug 02 05:09:14.385 INFO checking linkify-0.3.1 against 1.27.2 for lazy_static-1
Aug 02 05:09:14.385 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:09:14.385 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:09:14.385 INFO running `"docker" "create" "-v" "/tmp/crater.GB90RWmFXNkB:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 05:09:14.630 INFO blam! cd327329632590325a3ee1fa91670b252db9c949c4b1e45fc770ad82f297dfbe
Aug 02 05:09:14.633 INFO running `"docker" "start" "-a" "cd327329632590325a3ee1fa91670b252db9c949c4b1e45fc770ad82f297dfbe"`
Aug 02 05:09:15.939 INFO kablam!     Checking linkify v0.3.1 (file:///source)
Aug 02 05:09:18.017 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:09:18.017 INFO kablam!  --> benches/url.rs:1:1
Aug 02 05:09:18.017 INFO kablam!   |
Aug 02 05:09:18.017 INFO kablam! 1 | #![feature(test)]
Aug 02 05:09:18.017 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 05:09:18.017 INFO kablam! 
Aug 02 05:09:18.018 INFO kablam! error: aborting due to previous error
Aug 02 05:09:18.018 INFO kablam! 
Aug 02 05:09:18.018 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:09:18.024 INFO kablam! error: Could not compile `linkify`.
Aug 02 05:09:18.024 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:09:18.125 INFO kablam! error: build failed
Aug 02 05:09:18.127 INFO kablam! su: No module specific data is present
Aug 02 05:09:18.639 INFO running `"docker" "rm" "-f" "cd327329632590325a3ee1fa91670b252db9c949c4b1e45fc770ad82f297dfbe"`
Aug 02 05:09:18.829 INFO blam! cd327329632590325a3ee1fa91670b252db9c949c4b1e45fc770ad82f297dfbe