Sep 06 09:39:47.260 INFO checking base32768-0.1.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 09:39:47.260 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 09:39:47.260 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 09:39:47.386 INFO blam! 4e18eeb031374979f13ae64a1e629c5572f03768e8e43c72a7d916c6ba5237d3
Sep 06 09:39:47.387 INFO running `"docker" "start" "-a" "4e18eeb031374979f13ae64a1e629c5572f03768e8e43c72a7d916c6ba5237d3"`
Sep 06 09:39:48.460 INFO kablam! usermod: no changes
Sep 06 09:39:48.480 INFO kablam!     Checking base32768 v0.1.0 (file:///source)
Sep 06 09:39:48.776 INFO kablam! error[E0635]: unknown feature `io`
Sep 06 09:39:48.776 INFO kablam!  --> src/lib.rs:1:12
Sep 06 09:39:48.776 INFO kablam!   |
Sep 06 09:39:48.776 INFO kablam! 1 | #![feature(io)]
Sep 06 09:39:48.776 INFO kablam!   |            ^^
Sep 06 09:39:48.776 INFO kablam! 
Sep 06 09:39:48.782 INFO kablam! error: aborting due to previous error
Sep 06 09:39:48.782 INFO kablam! 
Sep 06 09:39:48.782 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 09:39:48.788 INFO kablam! error: Could not compile `base32768`.
Sep 06 09:39:48.788 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 09:39:48.819 INFO kablam! error[E0599]: no method named `chars` found for type `std::fs::File` in the current scope
Sep 06 09:39:48.819 INFO kablam!    --> src/lib.rs:199:52
Sep 06 09:39:48.819 INFO kablam!     |
Sep 06 09:39:48.819 INFO kablam! 199 |                 let test_string: String = txt_file.chars().map(|c| c.unwrap()).collect();
Sep 06 09:39:48.819 INFO kablam!     |                                                    ^^^^^
Sep 06 09:39:48.819 INFO kablam! 
Sep 06 09:39:48.866 INFO kablam! error: aborting due to previous error
Sep 06 09:39:48.866 INFO kablam! 
Sep 06 09:39:48.866 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 06 09:39:48.872 INFO kablam! error: Could not compile `base32768`.
Sep 06 09:39:48.872 INFO kablam! 
Sep 06 09:39:48.872 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 09:39:48.874 INFO kablam! su: No module specific data is present
Sep 06 09:39:49.470 INFO running `"docker" "rm" "-f" "4e18eeb031374979f13ae64a1e629c5572f03768e8e43c72a7d916c6ba5237d3"`
Sep 06 09:39:49.542 INFO blam! 4e18eeb031374979f13ae64a1e629c5572f03768e8e43c72a7d916c6ba5237d3