Dec 15 04:20:10.504 INFO testing mpack-0.1.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 04:20:10.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 15 04:20:11.035 INFO [stdout] c808b7afc93ce64bb3838e83e99ffe151409202c52a07b5b5e7ece35965fa7b6
Dec 15 04:20:11.037 INFO running `"docker" "start" "-a" "c808b7afc93ce64bb3838e83e99ffe151409202c52a07b5b5e7ece35965fa7b6"`
Dec 15 04:20:12.794 INFO [stderr] usermod: no changes
Dec 15 04:20:12.855 INFO [stderr]    Compiling mpack v0.1.2 (/source)
Dec 15 04:20:13.575 INFO [stderr] warning: unused macro definition
Dec 15 04:20:13.576 INFO [stderr]   --> src/lib.rs:38:1
Dec 15 04:20:13.576 INFO [stderr]    |
Dec 15 04:20:13.576 INFO [stderr] 38 | / macro_rules! nth_byte(
Dec 15 04:20:13.576 INFO [stderr] 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Dec 15 04:20:13.576 INFO [stderr] 40 | | );
Dec 15 04:20:13.576 INFO [stderr]    | |__^
Dec 15 04:20:13.576 INFO [stderr]    |
Dec 15 04:20:13.576 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 15 04:20:13.576 INFO [stderr] 
Dec 15 04:20:14.494 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 15 04:20:14.497 INFO [stderr] su: No module specific data is present
Dec 15 04:20:15.007 INFO running `"docker" "inspect" "c808b7afc93ce64bb3838e83e99ffe151409202c52a07b5b5e7ece35965fa7b6"`
Dec 15 04:20:15.146 INFO running `"docker" "rm" "-f" "c808b7afc93ce64bb3838e83e99ffe151409202c52a07b5b5e7ece35965fa7b6"`
Dec 15 04:20:15.411 INFO [stdout] c808b7afc93ce64bb3838e83e99ffe151409202c52a07b5b5e7ece35965fa7b6
Dec 15 04:20:15.416 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 15 04:20:15.762 INFO [stdout] 96d75b46e1e5f2645266968275e804c266b8e7c426404bbde237ab5353e112b5
Dec 15 04:20:15.764 INFO running `"docker" "start" "-a" "96d75b46e1e5f2645266968275e804c266b8e7c426404bbde237ab5353e112b5"`
Dec 15 04:20:16.840 INFO [stderr] usermod: no changes
Dec 15 04:20:16.935 INFO [stderr]    Compiling mpack v0.1.2 (/source)
Dec 15 04:20:17.739 INFO [stderr] warning: unused macro definition
Dec 15 04:20:17.739 INFO [stderr]   --> src/lib.rs:38:1
Dec 15 04:20:17.739 INFO [stderr]    |
Dec 15 04:20:17.739 INFO [stderr] 38 | / macro_rules! nth_byte(
Dec 15 04:20:17.739 INFO [stderr] 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Dec 15 04:20:17.739 INFO [stderr] 40 | | );
Dec 15 04:20:17.739 INFO [stderr]    | |__^
Dec 15 04:20:17.739 INFO [stderr]    |
Dec 15 04:20:17.739 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 15 04:20:17.739 INFO [stderr] 
Dec 15 04:20:17.743 INFO [stderr] warning: unused import: `std::mem`
Dec 15 04:20:17.743 INFO [stderr]    --> src/lib.rs:717:9
Dec 15 04:20:17.743 INFO [stderr]     |
Dec 15 04:20:17.743 INFO [stderr] 717 |     use std::mem;
Dec 15 04:20:17.743 INFO [stderr]     |         ^^^^^^^^
Dec 15 04:20:17.743 INFO [stderr]     |
Dec 15 04:20:17.743 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 15 04:20:17.743 INFO [stderr] 
Dec 15 04:20:17.743 INFO [stderr] warning: unused import: `std::slice`
Dec 15 04:20:17.743 INFO [stderr]    --> src/lib.rs:718:9
Dec 15 04:20:17.743 INFO [stderr]     |
Dec 15 04:20:17.743 INFO [stderr] 718 |     use std::slice;
Dec 15 04:20:17.743 INFO [stderr]     |         ^^^^^^^^^^
Dec 15 04:20:17.743 INFO [stderr] 
Dec 15 04:20:18.300 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Dec 15 04:20:18.300 INFO [stderr]    --> src/lib.rs:820:9
Dec 15 04:20:18.300 INFO [stderr]     |
Dec 15 04:20:18.300 INFO [stderr] 820 |         assert_eq!(x.b, 42);
Dec 15 04:20:18.300 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 15 04:20:18.300 INFO [stderr]     |
Dec 15 04:20:18.300 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Dec 15 04:20:18.300 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!
Dec 15 04:20:18.300 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Dec 15 04:20:18.300 INFO [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Dec 15 04:20:18.300 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)
Dec 15 04:20:18.300 INFO [stderr] 
Dec 15 04:20:20.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
Dec 15 04:20:20.311 INFO [stderr] su: No module specific data is present
Dec 15 04:20:21.157 INFO running `"docker" "inspect" "96d75b46e1e5f2645266968275e804c266b8e7c426404bbde237ab5353e112b5"`
Dec 15 04:20:21.420 INFO running `"docker" "rm" "-f" "96d75b46e1e5f2645266968275e804c266b8e7c426404bbde237ab5353e112b5"`
Dec 15 04:20:21.554 INFO [stdout] 96d75b46e1e5f2645266968275e804c266b8e7c426404bbde237ab5353e112b5