Nov 28 21:52:53.831 INFO checking mpack-0.1.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 21:52:53.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 21:52:54.340 INFO [stdout] f33b5faf8d416fc19657f8c6dfda1a483b07c72ff637c58961f12c1c49af2ab2
Nov 28 21:52:54.346 INFO running `"docker" "start" "-a" "f33b5faf8d416fc19657f8c6dfda1a483b07c72ff637c58961f12c1c49af2ab2"`
Nov 28 21:52:55.471 INFO [stderr] usermod: no changes
Nov 28 21:52:55.524 INFO [stderr]     Checking mpack v0.1.2 (/source)
Nov 28 21:52:56.344 INFO [stderr] warning: unused macro definition
Nov 28 21:52:56.344 INFO [stderr]   --> src/lib.rs:38:1
Nov 28 21:52:56.345 INFO [stderr]    |
Nov 28 21:52:56.345 INFO [stderr] 38 | / macro_rules! nth_byte(
Nov 28 21:52:56.345 INFO [stderr] 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Nov 28 21:52:56.345 INFO [stderr] 40 | | );
Nov 28 21:52:56.345 INFO [stderr]    | |__^
Nov 28 21:52:56.346 INFO [stderr]    |
Nov 28 21:52:56.346 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 28 21:52:56.346 INFO [stderr] 
Nov 28 21:52:56.900 INFO [stderr] warning: unused macro definition
Nov 28 21:52:56.900 INFO [stderr]   --> src/lib.rs:38:1
Nov 28 21:52:56.900 INFO [stderr]    |
Nov 28 21:52:56.900 INFO [stderr] 38 | / macro_rules! nth_byte(
Nov 28 21:52:56.900 INFO [stderr] 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Nov 28 21:52:56.900 INFO [stderr] 40 | | );
Nov 28 21:52:56.900 INFO [stderr]    | |__^
Nov 28 21:52:56.900 INFO [stderr]    |
Nov 28 21:52:56.900 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 28 21:52:56.900 INFO [stderr] 
Nov 28 21:52:56.908 INFO [stderr] warning: unused import: `std::mem`
Nov 28 21:52:56.908 INFO [stderr]    --> src/lib.rs:717:9
Nov 28 21:52:56.908 INFO [stderr]     |
Nov 28 21:52:56.908 INFO [stderr] 717 |     use std::mem;
Nov 28 21:52:56.908 INFO [stderr]     |         ^^^^^^^^
Nov 28 21:52:56.908 INFO [stderr]     |
Nov 28 21:52:56.917 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 28 21:52:56.917 INFO [stderr] 
Nov 28 21:52:56.917 INFO [stderr] warning: unused import: `std::slice`
Nov 28 21:52:56.917 INFO [stderr]    --> src/lib.rs:718:9
Nov 28 21:52:56.917 INFO [stderr]     |
Nov 28 21:52:56.917 INFO [stderr] 718 |     use std::slice;
Nov 28 21:52:56.917 INFO [stderr]     |         ^^^^^^^^^^
Nov 28 21:52:56.917 INFO [stderr] 
Nov 28 21:52:57.705 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Nov 28 21:52:57.705 INFO [stderr]    --> src/lib.rs:820:9
Nov 28 21:52:57.705 INFO [stderr]     |
Nov 28 21:52:57.706 INFO [stderr] 820 |         assert_eq!(x.b, 42);
Nov 28 21:52:57.706 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Nov 28 21:52:57.706 INFO [stderr]     |
Nov 28 21:52:57.707 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Nov 28 21:52:57.707 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 28 21:52:57.707 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Nov 28 21:52:57.708 INFO [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Nov 28 21:52:57.708 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 28 21:52:57.709 INFO [stderr] 
Nov 28 21:52:57.739 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
Nov 28 21:52:57.741 INFO [stderr] su: No module specific data is present
Nov 28 21:52:58.355 INFO running `"docker" "inspect" "f33b5faf8d416fc19657f8c6dfda1a483b07c72ff637c58961f12c1c49af2ab2"`
Nov 28 21:52:58.657 INFO running `"docker" "rm" "-f" "f33b5faf8d416fc19657f8c6dfda1a483b07c72ff637c58961f12c1c49af2ab2"`
Nov 28 21:52:59.018 INFO [stdout] f33b5faf8d416fc19657f8c6dfda1a483b07c72ff637c58961f12c1c49af2ab2