Sep 06 03:37:38.680 INFO checking mpack-0.1.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:37:38.680 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:37:38.680 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 03:37:38.865 INFO blam! 19e21ab33605ea00e43df128694752949b684560b6766d235cf5ad4d04a9c392
Sep 06 03:37:38.867 INFO running `"docker" "start" "-a" "19e21ab33605ea00e43df128694752949b684560b6766d235cf5ad4d04a9c392"`
Sep 06 03:37:39.813 INFO kablam! usermod: no changes
Sep 06 03:37:39.894 INFO kablam!     Checking mpack v0.1.2 (file:///source)
Sep 06 03:37:40.255 INFO kablam! warning: unused macro definition
Sep 06 03:37:40.255 INFO kablam!   --> src/lib.rs:38:1
Sep 06 03:37:40.255 INFO kablam!    |
Sep 06 03:37:40.255 INFO kablam! 38 | / macro_rules! nth_byte(
Sep 06 03:37:40.255 INFO kablam! 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Sep 06 03:37:40.255 INFO kablam! 40 | | );
Sep 06 03:37:40.255 INFO kablam!    | |__^
Sep 06 03:37:40.255 INFO kablam!    |
Sep 06 03:37:40.255 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 06 03:37:40.255 INFO kablam! 
Sep 06 03:37:40.510 INFO kablam! warning: unused macro definition
Sep 06 03:37:40.510 INFO kablam!   --> src/lib.rs:38:1
Sep 06 03:37:40.510 INFO kablam!    |
Sep 06 03:37:40.510 INFO kablam! 38 | / macro_rules! nth_byte(
Sep 06 03:37:40.510 INFO kablam! 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Sep 06 03:37:40.510 INFO kablam! 40 | | );
Sep 06 03:37:40.510 INFO kablam!    | |__^
Sep 06 03:37:40.510 INFO kablam!    |
Sep 06 03:37:40.510 INFO kablam!    = note: #[warn(unused_macros)] on by default
Sep 06 03:37:40.510 INFO kablam! 
Sep 06 03:37:40.522 INFO kablam! warning: unused import: `std::mem`
Sep 06 03:37:40.522 INFO kablam!    --> src/lib.rs:717:9
Sep 06 03:37:40.522 INFO kablam!     |
Sep 06 03:37:40.522 INFO kablam! 717 |     use std::mem;
Sep 06 03:37:40.522 INFO kablam!     |         ^^^^^^^^
Sep 06 03:37:40.522 INFO kablam!     |
Sep 06 03:37:40.522 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 03:37:40.522 INFO kablam! 
Sep 06 03:37:40.522 INFO kablam! warning: unused import: `std::slice`
Sep 06 03:37:40.522 INFO kablam!    --> src/lib.rs:718:9
Sep 06 03:37:40.522 INFO kablam!     |
Sep 06 03:37:40.522 INFO kablam! 718 |     use std::slice;
Sep 06 03:37:40.522 INFO kablam!     |         ^^^^^^^^^^
Sep 06 03:37:40.522 INFO kablam! 
Sep 06 03:37:41.162 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Sep 06 03:37:41.162 INFO kablam!    --> src/lib.rs:820:9
Sep 06 03:37:41.162 INFO kablam!     |
Sep 06 03:37:41.162 INFO kablam! 820 |         assert_eq!(x.b, 42);
Sep 06 03:37:41.162 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 06 03:37:41.162 INFO kablam!     |
Sep 06 03:37:41.162 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Sep 06 03:37:41.162 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 06 03:37:41.162 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Sep 06 03:37:41.162 INFO kablam!     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Sep 06 03:37:41.162 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Sep 06 03:37:41.162 INFO kablam! 
Sep 06 03:37:41.192 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Sep 06 03:37:41.195 INFO kablam! su: No module specific data is present
Sep 06 03:37:41.882 INFO running `"docker" "rm" "-f" "19e21ab33605ea00e43df128694752949b684560b6766d235cf5ad4d04a9c392"`
Sep 06 03:37:41.956 INFO blam! 19e21ab33605ea00e43df128694752949b684560b6766d235cf5ad4d04a9c392