Sep 10 14:24:34.343 INFO checking mpack-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090 Sep 10 14:24:34.343 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets Sep 10 14:24:34.343 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"` Sep 10 14:24:34.696 INFO blam! 9ba82b93f46570109f85e2ba0c9201b7cbfb95396eb0cdea759ff23cc263bfc9 Sep 10 14:24:34.706 INFO running `"docker" "start" "-a" "9ba82b93f46570109f85e2ba0c9201b7cbfb95396eb0cdea759ff23cc263bfc9"` Sep 10 14:24:36.004 INFO kablam! usermod: no changes Sep 10 14:24:36.078 INFO kablam! Checking mpack v0.1.2 (file:///source) Sep 10 14:24:36.382 INFO kablam! warning: unused macro definition Sep 10 14:24:36.382 INFO kablam! --> src/lib.rs:38:1 Sep 10 14:24:36.382 INFO kablam! | Sep 10 14:24:36.382 INFO kablam! 38 | / macro_rules! nth_byte( Sep 10 14:24:36.382 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 10 14:24:36.382 INFO kablam! 40 | | ); Sep 10 14:24:36.382 INFO kablam! | |__^ Sep 10 14:24:36.382 INFO kablam! | Sep 10 14:24:36.382 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 10 14:24:36.382 INFO kablam! Sep 10 14:24:36.574 INFO kablam! warning: unused macro definition Sep 10 14:24:36.574 INFO kablam! --> src/lib.rs:38:1 Sep 10 14:24:36.574 INFO kablam! | Sep 10 14:24:36.574 INFO kablam! 38 | / macro_rules! nth_byte( Sep 10 14:24:36.574 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 10 14:24:36.574 INFO kablam! 40 | | ); Sep 10 14:24:36.574 INFO kablam! | |__^ Sep 10 14:24:36.574 INFO kablam! | Sep 10 14:24:36.574 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 10 14:24:36.574 INFO kablam! Sep 10 14:24:36.574 INFO kablam! warning: unused import: `std::mem` Sep 10 14:24:36.574 INFO kablam! --> src/lib.rs:717:9 Sep 10 14:24:36.574 INFO kablam! | Sep 10 14:24:36.574 INFO kablam! 717 | use std::mem; Sep 10 14:24:36.574 INFO kablam! | ^^^^^^^^ Sep 10 14:24:36.574 INFO kablam! | Sep 10 14:24:36.574 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 10 14:24:36.574 INFO kablam! Sep 10 14:24:36.574 INFO kablam! warning: unused import: `std::slice` Sep 10 14:24:36.574 INFO kablam! --> src/lib.rs:718:9 Sep 10 14:24:36.574 INFO kablam! | Sep 10 14:24:36.574 INFO kablam! 718 | use std::slice; Sep 10 14:24:36.574 INFO kablam! | ^^^^^^^^^^ Sep 10 14:24:36.574 INFO kablam! Sep 10 14:24:37.147 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) Sep 10 14:24:37.147 INFO kablam! --> src/lib.rs:820:9 Sep 10 14:24:37.147 INFO kablam! | Sep 10 14:24:37.147 INFO kablam! 820 | assert_eq!(x.b, 42); Sep 10 14:24:37.147 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 10 14:24:37.147 INFO kablam! | Sep 10 14:24:37.147 INFO kablam! = note: #[warn(safe_packed_borrows)] on by default Sep 10 14:24:37.147 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 10 14:24:37.147 INFO kablam! = note: for more information, see issue #46043 Sep 10 14:24:37.147 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 10 14:24:37.147 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 10 14:24:37.147 INFO kablam! Sep 10 14:24:37.178 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.15s Sep 10 14:24:37.180 INFO kablam! su: No module specific data is present Sep 10 14:24:37.830 INFO running `"docker" "rm" "-f" "9ba82b93f46570109f85e2ba0c9201b7cbfb95396eb0cdea759ff23cc263bfc9"` Sep 10 14:24:37.887 INFO blam! 9ba82b93f46570109f85e2ba0c9201b7cbfb95396eb0cdea759ff23cc263bfc9