Aug 01 22:02:54.944 INFO checking sleep-parser-0.4.0 against 1.27.2 for lazy_static-1
Aug 01 22:02:54.944 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:02:54.945 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:02:54.945 INFO running `"docker" "create" "-v" "/tmp/crater.puXqVCJ2ZynS:/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 01 22:02:55.144 INFO blam! 26ba1e8f1d2ec2b1527a9a1737303256c192e0993b04723830cec2ff0702d7f8
Aug 01 22:02:55.146 INFO running `"docker" "start" "-a" "26ba1e8f1d2ec2b1527a9a1737303256c192e0993b04723830cec2ff0702d7f8"`
Aug 01 22:02:55.992 INFO kablam!     Checking sleep-parser v0.4.0 (file:///source)
Aug 01 22:02:56.476 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:02:56.476 INFO kablam!  --> src/lib.rs:3:1
Aug 01 22:02:56.476 INFO kablam!   |
Aug 01 22:02:56.476 INFO kablam! 3 | #![feature(external_doc)]
Aug 01 22:02:56.476 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:02:56.477 INFO kablam! 
Aug 01 22:02:56.478 INFO kablam! error: aborting due to previous error
Aug 01 22:02:56.478 INFO kablam! 
Aug 01 22:02:56.479 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:02:56.487 INFO kablam! error: Could not compile `sleep-parser`.
Aug 01 22:02:56.487 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:02:56.543 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:02:56.543 INFO kablam!  --> src/lib.rs:3:1
Aug 01 22:02:56.543 INFO kablam!   |
Aug 01 22:02:56.543 INFO kablam! 3 | #![feature(external_doc)]
Aug 01 22:02:56.543 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:02:56.543 INFO kablam! 
Aug 01 22:02:56.544 INFO kablam! error: aborting due to previous error
Aug 01 22:02:56.544 INFO kablam! 
Aug 01 22:02:56.544 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:02:56.550 INFO kablam! error: Could not compile `sleep-parser`.
Aug 01 22:02:56.550 INFO kablam! 
Aug 01 22:02:56.550 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:02:56.552 INFO kablam! su: No module specific data is present
Aug 01 22:02:57.373 INFO running `"docker" "rm" "-f" "26ba1e8f1d2ec2b1527a9a1737303256c192e0993b04723830cec2ff0702d7f8"`
Aug 01 22:02:57.550 INFO blam! 26ba1e8f1d2ec2b1527a9a1737303256c192e0993b04723830cec2ff0702d7f8