Sep 06 07:31:45.349 INFO checking encode_unicode-0.1.3 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 07:31:45.349 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 07:31:45.349 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/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 07:31:45.612 INFO blam! 55fc95575e9016f222931b2592b1b3f6581981ee69a967c3568f8f23a13f5f05
Sep 06 07:31:45.614 INFO running `"docker" "start" "-a" "55fc95575e9016f222931b2592b1b3f6581981ee69a967c3568f8f23a13f5f05"`
Sep 06 07:31:46.902 INFO kablam! usermod: no changes
Sep 06 07:31:47.074 INFO kablam!     Checking encode_unicode v0.1.3 (file:///source)
Sep 06 07:31:48.210 INFO kablam! warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
Sep 06 07:31:48.210 INFO kablam!   --> tests/pass_tests.rs:16:22
Sep 06 07:31:48.210 INFO kablam!    |
Sep 06 07:31:48.210 INFO kablam! 16 | use std::hash::{Hash,SipHasher};
Sep 06 07:31:48.210 INFO kablam!    |                      ^^^^^^^^^
Sep 06 07:31:48.210 INFO kablam!    |
Sep 06 07:31:48.210 INFO kablam!    = note: #[warn(deprecated)] on by default
Sep 06 07:31:48.210 INFO kablam! 
Sep 06 07:31:48.210 INFO kablam! warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
Sep 06 07:31:48.210 INFO kablam!   --> tests/pass_tests.rs:55:19
Sep 06 07:31:48.210 INFO kablam!    |
Sep 06 07:31:48.210 INFO kablam! 55 |     let sh = &mut SipHasher::new();
Sep 06 07:31:48.210 INFO kablam!    |                   ^^^^^^^^^^^^^^
Sep 06 07:31:48.210 INFO kablam! 
Sep 06 07:31:48.246 INFO kablam! warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
Sep 06 07:31:48.246 INFO kablam!   --> tests/pass_tests.rs:55:19
Sep 06 07:31:48.246 INFO kablam!    |
Sep 06 07:31:48.246 INFO kablam! 55 |     let sh = &mut SipHasher::new();
Sep 06 07:31:48.246 INFO kablam!    |                   ^^^^^^^^^^^^^^
Sep 06 07:31:48.246 INFO kablam! 
Sep 06 07:31:48.335 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 06 07:31:48.335 INFO kablam!  --> tests/fail_tests.rs:9:12
Sep 06 07:31:48.335 INFO kablam!   |
Sep 06 07:31:48.335 INFO kablam! 9 | #![feature(step_by)]
Sep 06 07:31:48.335 INFO kablam!   |            ^^^^^^^
Sep 06 07:31:48.335 INFO kablam! 
Sep 06 07:31:48.348 INFO kablam! error: aborting due to previous error
Sep 06 07:31:48.348 INFO kablam! 
Sep 06 07:31:48.348 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 07:31:48.350 INFO kablam! error[E0308]: mismatched types
Sep 06 07:31:48.350 INFO kablam!   --> tests/pass_tests.rs:66:15
Sep 06 07:31:48.350 INFO kablam!    |
Sep 06 07:31:48.350 INFO kablam! 66 |         len = c.encode_utf8(&mut reference_dst[..i]);
Sep 06 07:31:48.350 INFO kablam!    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:31:48.350 INFO kablam!    |               |
Sep 06 07:31:48.350 INFO kablam!    |               expected enum `std::option::Option`, found &mut str
Sep 06 07:31:48.350 INFO kablam!    |               help: try using a variant of the expected type: `Some(c.encode_utf8(&mut reference_dst[::std::ops::RangeTo{end: i,}]))`
Sep 06 07:31:48.350 INFO kablam!    |
Sep 06 07:31:48.350 INFO kablam!    = note: expected type `std::option::Option<_>`
Sep 06 07:31:48.350 INFO kablam!               found type `&mut str`
Sep 06 07:31:48.350 INFO kablam! 
Sep 06 07:31:48.356 INFO kablam! error: Could not compile `encode_unicode`.
Sep 06 07:31:48.356 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 07:31:48.487 INFO kablam! error[E0308]: mismatched types
Sep 06 07:31:48.487 INFO kablam!    --> tests/pass_tests.rs:105:15
Sep 06 07:31:48.487 INFO kablam!     |
Sep 06 07:31:48.487 INFO kablam! 105 |         len = c.encode_utf16(&mut reference_dst[..i]);
Sep 06 07:31:48.487 INFO kablam!     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:31:48.487 INFO kablam!     |               |
Sep 06 07:31:48.487 INFO kablam!     |               expected enum `std::option::Option`, found &mut [u16]
Sep 06 07:31:48.487 INFO kablam!     |               help: try using a variant of the expected type: `Some(c.encode_utf16(&mut reference_dst[::std::ops::RangeTo{end: i,}]))`
Sep 06 07:31:48.487 INFO kablam!     |
Sep 06 07:31:48.487 INFO kablam!     = note: expected type `std::option::Option<_>`
Sep 06 07:31:48.487 INFO kablam!                found type `&mut [u16]`
Sep 06 07:31:48.487 INFO kablam! 
Sep 06 07:31:48.521 INFO kablam! error: aborting due to 2 previous errors
Sep 06 07:31:48.521 INFO kablam! 
Sep 06 07:31:48.521 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 06 07:31:48.531 INFO kablam! error: Could not compile `encode_unicode`.
Sep 06 07:31:48.531 INFO kablam! 
Sep 06 07:31:48.531 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 07:31:48.534 INFO kablam! su: No module specific data is present
Sep 06 07:31:49.190 INFO running `"docker" "rm" "-f" "55fc95575e9016f222931b2592b1b3f6581981ee69a967c3568f8f23a13f5f05"`
Sep 06 07:31:49.295 INFO blam! 55fc95575e9016f222931b2592b1b3f6581981ee69a967c3568f8f23a13f5f05