Nov 01 19:39:29.358 INFO checking mpack-0.1.2 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 19:39:29.358 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 19:39:29.853 INFO blam! f81a592aa6b7f9bf925dcf7148f912e62462a4a5d8af92aa673049f9541c5453
Nov 01 19:39:29.861 INFO running `"docker" "start" "-a" "f81a592aa6b7f9bf925dcf7148f912e62462a4a5d8af92aa673049f9541c5453"`
Nov 01 19:39:31.001 INFO kablam! usermod: no changes
Nov 01 19:39:31.116 INFO kablam!     Checking mpack v0.1.2 (/source)
Nov 01 19:39:32.608 INFO kablam! warning: unused macro definition
Nov 01 19:39:32.608 INFO kablam!   --> src/lib.rs:38:1
Nov 01 19:39:32.608 INFO kablam!    |
Nov 01 19:39:32.608 INFO kablam! 38 | / macro_rules! nth_byte(
Nov 01 19:39:32.608 INFO kablam! 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Nov 01 19:39:32.608 INFO kablam! 40 | | );
Nov 01 19:39:32.608 INFO kablam!    | |__^
Nov 01 19:39:32.608 INFO kablam!    |
Nov 01 19:39:32.608 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 01 19:39:32.610 INFO kablam! 
Nov 01 19:39:33.084 INFO kablam! warning: unused macro definition
Nov 01 19:39:33.084 INFO kablam!   --> src/lib.rs:38:1
Nov 01 19:39:33.084 INFO kablam!    |
Nov 01 19:39:33.084 INFO kablam! 38 | / macro_rules! nth_byte(
Nov 01 19:39:33.084 INFO kablam! 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Nov 01 19:39:33.084 INFO kablam! 40 | | );
Nov 01 19:39:33.084 INFO kablam!    | |__^
Nov 01 19:39:33.084 INFO kablam!    |
Nov 01 19:39:33.084 INFO kablam!    = note: #[warn(unused_macros)] on by default
Nov 01 19:39:33.084 INFO kablam! 
Nov 01 19:39:33.096 INFO kablam! warning: unused import: `std::mem`
Nov 01 19:39:33.096 INFO kablam!    --> src/lib.rs:717:9
Nov 01 19:39:33.096 INFO kablam!     |
Nov 01 19:39:33.096 INFO kablam! 717 |     use std::mem;
Nov 01 19:39:33.096 INFO kablam!     |         ^^^^^^^^
Nov 01 19:39:33.096 INFO kablam!     |
Nov 01 19:39:33.096 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 01 19:39:33.096 INFO kablam! 
Nov 01 19:39:33.096 INFO kablam! warning: unused import: `std::slice`
Nov 01 19:39:33.096 INFO kablam!    --> src/lib.rs:718:9
Nov 01 19:39:33.096 INFO kablam!     |
Nov 01 19:39:33.096 INFO kablam! 718 |     use std::slice;
Nov 01 19:39:33.096 INFO kablam!     |         ^^^^^^^^^^
Nov 01 19:39:33.096 INFO kablam! 
Nov 01 19:39:33.984 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Nov 01 19:39:33.984 INFO kablam!    --> src/lib.rs:820:9
Nov 01 19:39:33.984 INFO kablam!     |
Nov 01 19:39:33.984 INFO kablam! 820 |         assert_eq!(x.b, 42);
Nov 01 19:39:33.984 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Nov 01 19:39:33.984 INFO kablam!     |
Nov 01 19:39:33.984 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Nov 01 19:39:33.984 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!
Nov 01 19:39:33.984 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Nov 01 19:39:33.984 INFO kablam!     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Nov 01 19:39:33.984 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)
Nov 01 19:39:33.984 INFO kablam! 
Nov 01 19:39:34.045 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
Nov 01 19:39:34.055 INFO kablam! su: No module specific data is present
Nov 01 19:39:34.912 INFO running `"docker" "rm" "-f" "f81a592aa6b7f9bf925dcf7148f912e62462a4a5d8af92aa673049f9541c5453"`
Nov 01 19:39:35.124 INFO blam! f81a592aa6b7f9bf925dcf7148f912e62462a4a5d8af92aa673049f9541c5453