Sep 01 13:38:17.522 INFO checking mpack-0.1.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831 Sep 01 13:38:17.522 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets Sep 01 13:38:17.522 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 13:38:17.719 INFO blam! 17708b10a390ccfe3c1ccf4f59f09e80a48f9b4e371ac23eaf9a7db3a3cc40db Sep 01 13:38:17.721 INFO running `"docker" "start" "-a" "17708b10a390ccfe3c1ccf4f59f09e80a48f9b4e371ac23eaf9a7db3a3cc40db"` Sep 01 13:38:18.685 INFO kablam! Checking mpack v0.1.2 (file:///source) Sep 01 13:38:19.134 INFO kablam! warning: unused macro definition Sep 01 13:38:19.134 INFO kablam! --> src/lib.rs:38:1 Sep 01 13:38:19.134 INFO kablam! | Sep 01 13:38:19.134 INFO kablam! 38 | / macro_rules! nth_byte( Sep 01 13:38:19.134 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 01 13:38:19.134 INFO kablam! 40 | | ); Sep 01 13:38:19.134 INFO kablam! | |__^ Sep 01 13:38:19.134 INFO kablam! | Sep 01 13:38:19.134 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 01 13:38:19.135 INFO kablam! Sep 01 13:38:19.336 INFO kablam! warning: unused macro definition Sep 01 13:38:19.336 INFO kablam! --> src/lib.rs:38:1 Sep 01 13:38:19.336 INFO kablam! | Sep 01 13:38:19.336 INFO kablam! 38 | / macro_rules! nth_byte( Sep 01 13:38:19.336 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 01 13:38:19.336 INFO kablam! 40 | | ); Sep 01 13:38:19.336 INFO kablam! | |__^ Sep 01 13:38:19.336 INFO kablam! | Sep 01 13:38:19.336 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 01 13:38:19.336 INFO kablam! Sep 01 13:38:19.339 INFO kablam! warning: unused import: `std::mem` Sep 01 13:38:19.339 INFO kablam! --> src/lib.rs:717:9 Sep 01 13:38:19.339 INFO kablam! | Sep 01 13:38:19.339 INFO kablam! 717 | use std::mem; Sep 01 13:38:19.339 INFO kablam! | ^^^^^^^^ Sep 01 13:38:19.339 INFO kablam! | Sep 01 13:38:19.339 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 13:38:19.339 INFO kablam! Sep 01 13:38:19.339 INFO kablam! warning: unused import: `std::slice` Sep 01 13:38:19.339 INFO kablam! --> src/lib.rs:718:9 Sep 01 13:38:19.339 INFO kablam! | Sep 01 13:38:19.339 INFO kablam! 718 | use std::slice; Sep 01 13:38:19.339 INFO kablam! | ^^^^^^^^^^ Sep 01 13:38:19.339 INFO kablam! Sep 01 13:38:20.431 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) Sep 01 13:38:20.431 INFO kablam! --> src/lib.rs:820:9 Sep 01 13:38:20.431 INFO kablam! | Sep 01 13:38:20.431 INFO kablam! 820 | assert_eq!(x.b, 42); Sep 01 13:38:20.431 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 13:38:20.431 INFO kablam! | Sep 01 13:38:20.431 INFO kablam! = note: #[warn(safe_packed_borrows)] on by default Sep 01 13:38:20.431 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 01 13:38:20.431 INFO kablam! = note: for more information, see issue #46043 Sep 01 13:38:20.431 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 01 13:38:20.431 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 01 13:38:20.431 INFO kablam! Sep 01 13:38:20.464 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.80s Sep 01 13:38:20.467 INFO kablam! su: No module specific data is present Sep 01 13:38:21.121 INFO running `"docker" "rm" "-f" "17708b10a390ccfe3c1ccf4f59f09e80a48f9b4e371ac23eaf9a7db3a3cc40db"` Sep 01 13:38:21.206 INFO blam! 17708b10a390ccfe3c1ccf4f59f09e80a48f9b4e371ac23eaf9a7db3a3cc40db