Sep 04 10:31:43.787 INFO checking mpack-0.1.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893 Sep 04 10:31:43.787 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets Sep 04 10:31:43.787 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 04 10:31:43.984 INFO blam! d42323d49820925e44e03904adb82575dae6080538be5f312cf290207748a62a Sep 04 10:31:43.985 INFO running `"docker" "start" "-a" "d42323d49820925e44e03904adb82575dae6080538be5f312cf290207748a62a"` Sep 04 10:31:44.686 INFO kablam! Checking mpack v0.1.2 (file:///source) Sep 04 10:31:45.094 INFO kablam! warning: unused macro definition Sep 04 10:31:45.094 INFO kablam! --> src/lib.rs:38:1 Sep 04 10:31:45.094 INFO kablam! | Sep 04 10:31:45.094 INFO kablam! 38 | / macro_rules! nth_byte( Sep 04 10:31:45.094 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 04 10:31:45.094 INFO kablam! 40 | | ); Sep 04 10:31:45.094 INFO kablam! | |__^ Sep 04 10:31:45.094 INFO kablam! | Sep 04 10:31:45.094 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 04 10:31:45.094 INFO kablam! Sep 04 10:31:45.317 INFO kablam! warning: unused macro definition Sep 04 10:31:45.317 INFO kablam! --> src/lib.rs:38:1 Sep 04 10:31:45.317 INFO kablam! | Sep 04 10:31:45.317 INFO kablam! 38 | / macro_rules! nth_byte( Sep 04 10:31:45.317 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 04 10:31:45.317 INFO kablam! 40 | | ); Sep 04 10:31:45.317 INFO kablam! | |__^ Sep 04 10:31:45.317 INFO kablam! | Sep 04 10:31:45.317 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 04 10:31:45.317 INFO kablam! Sep 04 10:31:45.320 INFO kablam! warning: unused import: `std::mem` Sep 04 10:31:45.320 INFO kablam! --> src/lib.rs:717:9 Sep 04 10:31:45.320 INFO kablam! | Sep 04 10:31:45.320 INFO kablam! 717 | use std::mem; Sep 04 10:31:45.320 INFO kablam! | ^^^^^^^^ Sep 04 10:31:45.320 INFO kablam! | Sep 04 10:31:45.320 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 04 10:31:45.320 INFO kablam! Sep 04 10:31:45.320 INFO kablam! warning: unused import: `std::slice` Sep 04 10:31:45.320 INFO kablam! --> src/lib.rs:718:9 Sep 04 10:31:45.321 INFO kablam! | Sep 04 10:31:45.321 INFO kablam! 718 | use std::slice; Sep 04 10:31:45.321 INFO kablam! | ^^^^^^^^^^ Sep 04 10:31:45.321 INFO kablam! Sep 04 10:31:46.498 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) Sep 04 10:31:46.498 INFO kablam! --> src/lib.rs:820:9 Sep 04 10:31:46.498 INFO kablam! | Sep 04 10:31:46.499 INFO kablam! 820 | assert_eq!(x.b, 42); Sep 04 10:31:46.499 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 04 10:31:46.499 INFO kablam! | Sep 04 10:31:46.499 INFO kablam! = note: #[warn(safe_packed_borrows)] on by default Sep 04 10:31:46.499 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 04 10:31:46.499 INFO kablam! = note: for more information, see issue #46043 Sep 04 10:31:46.499 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 04 10:31:46.499 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 04 10:31:46.499 INFO kablam! Sep 04 10:31:46.553 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.89s Sep 04 10:31:46.556 INFO kablam! su: No module specific data is present Sep 04 10:31:47.087 INFO running `"docker" "rm" "-f" "d42323d49820925e44e03904adb82575dae6080538be5f312cf290207748a62a"` Sep 04 10:31:47.223 INFO blam! d42323d49820925e44e03904adb82575dae6080538be5f312cf290207748a62a