Sep 19 22:08:48.823 INFO checking mpack-0.1.2 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346 Sep 19 22:08:48.823 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets Sep 19 22:08:48.823 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 19 22:08:48.951 INFO blam! bc888a4581ace32f88af52fe9e348cec1193a00e851e3669731d9b686cd7ba47 Sep 19 22:08:48.955 INFO running `"docker" "start" "-a" "bc888a4581ace32f88af52fe9e348cec1193a00e851e3669731d9b686cd7ba47"` Sep 19 22:08:49.889 INFO kablam! usermod: no changes Sep 19 22:08:49.920 INFO kablam! Checking mpack v0.1.2 (/source) Sep 19 22:08:50.134 INFO kablam! warning: unused macro definition Sep 19 22:08:50.134 INFO kablam! --> src/lib.rs:38:1 Sep 19 22:08:50.134 INFO kablam! | Sep 19 22:08:50.134 INFO kablam! 38 | / macro_rules! nth_byte( Sep 19 22:08:50.134 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 19 22:08:50.134 INFO kablam! 40 | | ); Sep 19 22:08:50.134 INFO kablam! | |__^ Sep 19 22:08:50.134 INFO kablam! | Sep 19 22:08:50.134 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 19 22:08:50.134 INFO kablam! Sep 19 22:08:50.219 INFO kablam! warning: unused macro definition Sep 19 22:08:50.219 INFO kablam! --> src/lib.rs:38:1 Sep 19 22:08:50.219 INFO kablam! | Sep 19 22:08:50.219 INFO kablam! 38 | / macro_rules! nth_byte( Sep 19 22:08:50.219 INFO kablam! 39 | | ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8) Sep 19 22:08:50.219 INFO kablam! 40 | | ); Sep 19 22:08:50.219 INFO kablam! | |__^ Sep 19 22:08:50.219 INFO kablam! | Sep 19 22:08:50.219 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 19 22:08:50.219 INFO kablam! Sep 19 22:08:50.219 INFO kablam! warning: unused import: `std::mem` Sep 19 22:08:50.219 INFO kablam! --> src/lib.rs:717:9 Sep 19 22:08:50.219 INFO kablam! | Sep 19 22:08:50.219 INFO kablam! 717 | use std::mem; Sep 19 22:08:50.219 INFO kablam! | ^^^^^^^^ Sep 19 22:08:50.219 INFO kablam! | Sep 19 22:08:50.219 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 19 22:08:50.219 INFO kablam! Sep 19 22:08:50.219 INFO kablam! warning: unused import: `std::slice` Sep 19 22:08:50.219 INFO kablam! --> src/lib.rs:718:9 Sep 19 22:08:50.219 INFO kablam! | Sep 19 22:08:50.219 INFO kablam! 718 | use std::slice; Sep 19 22:08:50.219 INFO kablam! | ^^^^^^^^^^ Sep 19 22:08:50.219 INFO kablam! Sep 19 22:08:50.723 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133) Sep 19 22:08:50.723 INFO kablam! --> src/lib.rs:820:9 Sep 19 22:08:50.723 INFO kablam! | Sep 19 22:08:50.723 INFO kablam! 820 | assert_eq!(x.b, 42); Sep 19 22:08:50.723 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 19 22:08:50.723 INFO kablam! | Sep 19 22:08:50.723 INFO kablam! = note: #[warn(safe_packed_borrows)] on by default Sep 19 22:08:50.723 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 19 22:08:50.723 INFO kablam! = note: for more information, see issue #46043 Sep 19 22:08:50.723 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 19 22:08:50.723 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 19 22:08:50.723 INFO kablam! Sep 19 22:08:50.765 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.86s Sep 19 22:08:50.768 INFO kablam! su: No module specific data is present Sep 19 22:08:51.248 INFO running `"docker" "rm" "-f" "bc888a4581ace32f88af52fe9e348cec1193a00e851e3669731d9b686cd7ba47"` Sep 19 22:08:51.301 INFO blam! bc888a4581ace32f88af52fe9e348cec1193a00e851e3669731d9b686cd7ba47