Sep 04 13:26:42.024 INFO checking mpack-0.1.2 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913 Sep 04 13:26:42.024 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets Sep 04 13:26:42.024 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 04 13:26:42.150 INFO blam! fb407bd797b0087dec294ae2c77e48162197bc0a4c8bb64bf9d324abd007bf0a Sep 04 13:26:42.152 INFO running `"docker" "start" "-a" "fb407bd797b0087dec294ae2c77e48162197bc0a4c8bb64bf9d324abd007bf0a"` Sep 04 13:26:43.161 INFO kablam! Checking mpack v0.1.2 (file:///source) Sep 04 13:26:43.575 INFO kablam! warning: unused macro definition Sep 04 13:26:43.575 INFO kablam! --> src/lib.rs:38:1 Sep 04 13:26:43.575 INFO kablam! | Sep 04 13:26:43.575 INFO kablam! 38 | / macro_rules! nth_byte( Sep 04 13:26:43.575 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 04 13:26:43.575 INFO kablam! 40 | | ); Sep 04 13:26:43.575 INFO kablam! | |__^ Sep 04 13:26:43.575 INFO kablam! | Sep 04 13:26:43.575 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 04 13:26:43.575 INFO kablam! Sep 04 13:26:43.744 INFO kablam! warning: unused macro definition Sep 04 13:26:43.744 INFO kablam! --> src/lib.rs:38:1 Sep 04 13:26:43.744 INFO kablam! | Sep 04 13:26:43.744 INFO kablam! 38 | / macro_rules! nth_byte( Sep 04 13:26:43.744 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 04 13:26:43.744 INFO kablam! 40 | | ); Sep 04 13:26:43.744 INFO kablam! | |__^ Sep 04 13:26:43.744 INFO kablam! | Sep 04 13:26:43.744 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 04 13:26:43.744 INFO kablam! Sep 04 13:26:43.748 INFO kablam! warning: unused import: `std::mem` Sep 04 13:26:43.748 INFO kablam! --> src/lib.rs:717:9 Sep 04 13:26:43.748 INFO kablam! | Sep 04 13:26:43.748 INFO kablam! 717 | use std::mem; Sep 04 13:26:43.748 INFO kablam! | ^^^^^^^^ Sep 04 13:26:43.748 INFO kablam! | Sep 04 13:26:43.748 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 04 13:26:43.748 INFO kablam! Sep 04 13:26:43.748 INFO kablam! warning: unused import: `std::slice` Sep 04 13:26:43.748 INFO kablam! --> src/lib.rs:718:9 Sep 04 13:26:43.748 INFO kablam! | Sep 04 13:26:43.748 INFO kablam! 718 | use std::slice; Sep 04 13:26:43.748 INFO kablam! | ^^^^^^^^^^ Sep 04 13:26:43.748 INFO kablam! Sep 04 13:26:44.745 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) Sep 04 13:26:44.745 INFO kablam! --> src/lib.rs:820:9 Sep 04 13:26:44.745 INFO kablam! | Sep 04 13:26:44.745 INFO kablam! 820 | assert_eq!(x.b, 42); Sep 04 13:26:44.745 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 04 13:26:44.745 INFO kablam! | Sep 04 13:26:44.745 INFO kablam! = note: #[warn(safe_packed_borrows)] on by default Sep 04 13:26:44.745 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 13:26:44.745 INFO kablam! = note: for more information, see issue #46043 Sep 04 13:26:44.745 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 13:26:44.745 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 13:26:44.745 INFO kablam! Sep 04 13:26:44.779 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.65s Sep 04 13:26:44.782 INFO kablam! su: No module specific data is present Sep 04 13:26:45.361 INFO running `"docker" "rm" "-f" "fb407bd797b0087dec294ae2c77e48162197bc0a4c8bb64bf9d324abd007bf0a"` Sep 04 13:26:45.446 INFO blam! fb407bd797b0087dec294ae2c77e48162197bc0a4c8bb64bf9d324abd007bf0a