Dec 07 06:55:11.577 INFO testing mpack-0.1.2 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 06:55:11.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 06:55:11.954 INFO [stdout] 56889d389d4d97d8c2403fd6f522f9c8e7d9a682f017df55ad94835dd78649f9
Dec 07 06:55:11.962 INFO running `"docker" "start" "-a" "56889d389d4d97d8c2403fd6f522f9c8e7d9a682f017df55ad94835dd78649f9"`
Dec 07 06:55:13.360 INFO [stderr] usermod: no changes
Dec 07 06:55:13.472 INFO [stderr]    Compiling mpack v0.1.2 (/source)
Dec 07 06:55:14.132 INFO [stderr] warning: unused macro definition
Dec 07 06:55:14.132 INFO [stderr]   --> src/lib.rs:38:1
Dec 07 06:55:14.132 INFO [stderr]    |
Dec 07 06:55:14.132 INFO [stderr] 38 | / macro_rules! nth_byte(
Dec 07 06:55:14.133 INFO [stderr] 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Dec 07 06:55:14.133 INFO [stderr] 40 | | );
Dec 07 06:55:14.133 INFO [stderr]    | |__^
Dec 07 06:55:14.133 INFO [stderr]    |
Dec 07 06:55:14.133 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 07 06:55:14.133 INFO [stderr] 
Dec 07 06:55:15.250 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
Dec 07 06:55:15.253 INFO [stderr] su: No module specific data is present
Dec 07 06:55:16.677 INFO running `"docker" "inspect" "56889d389d4d97d8c2403fd6f522f9c8e7d9a682f017df55ad94835dd78649f9"`
Dec 07 06:55:17.094 INFO running `"docker" "rm" "-f" "56889d389d4d97d8c2403fd6f522f9c8e7d9a682f017df55ad94835dd78649f9"`
Dec 07 06:55:17.464 INFO [stdout] 56889d389d4d97d8c2403fd6f522f9c8e7d9a682f017df55ad94835dd78649f9
Dec 07 06:55:17.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 06:55:17.962 INFO [stdout] 00fe69fe2d73803d7a4e601d88f878982c73e42927270f926f5b9a997cbeb3ac
Dec 07 06:55:17.963 INFO running `"docker" "start" "-a" "00fe69fe2d73803d7a4e601d88f878982c73e42927270f926f5b9a997cbeb3ac"`
Dec 07 06:55:19.611 INFO [stderr] usermod: no changes
Dec 07 06:55:19.680 INFO [stderr]    Compiling mpack v0.1.2 (/source)
Dec 07 06:55:20.555 INFO [stderr] warning: unused macro definition
Dec 07 06:55:20.555 INFO [stderr]   --> src/lib.rs:38:1
Dec 07 06:55:20.555 INFO [stderr]    |
Dec 07 06:55:20.555 INFO [stderr] 38 | / macro_rules! nth_byte(
Dec 07 06:55:20.555 INFO [stderr] 39 | |     ($x:expr, $n:expr) => ((($x >> ($n * 8)) & 0xFF) as u8)
Dec 07 06:55:20.555 INFO [stderr] 40 | | );
Dec 07 06:55:20.555 INFO [stderr]    | |__^
Dec 07 06:55:20.555 INFO [stderr]    |
Dec 07 06:55:20.555 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 07 06:55:20.555 INFO [stderr] 
Dec 07 06:55:20.556 INFO [stderr] warning: unused import: `std::mem`
Dec 07 06:55:20.556 INFO [stderr]    --> src/lib.rs:717:9
Dec 07 06:55:20.556 INFO [stderr]     |
Dec 07 06:55:20.556 INFO [stderr] 717 |     use std::mem;
Dec 07 06:55:20.556 INFO [stderr]     |         ^^^^^^^^
Dec 07 06:55:20.556 INFO [stderr]     |
Dec 07 06:55:20.556 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 07 06:55:20.556 INFO [stderr] 
Dec 07 06:55:20.556 INFO [stderr] warning: unused import: `std::slice`
Dec 07 06:55:20.556 INFO [stderr]    --> src/lib.rs:718:9
Dec 07 06:55:20.556 INFO [stderr]     |
Dec 07 06:55:20.556 INFO [stderr] 718 |     use std::slice;
Dec 07 06:55:20.556 INFO [stderr]     |         ^^^^^^^^^^
Dec 07 06:55:20.556 INFO [stderr] 
Dec 07 06:55:21.260 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Dec 07 06:55:21.260 INFO [stderr]    --> src/lib.rs:820:9
Dec 07 06:55:21.260 INFO [stderr]     |
Dec 07 06:55:21.260 INFO [stderr] 820 |         assert_eq!(x.b, 42);
Dec 07 06:55:21.260 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Dec 07 06:55:21.260 INFO [stderr]     |
Dec 07 06:55:21.260 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Dec 07 06:55:21.260 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 07 06:55:21.260 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Dec 07 06:55:21.260 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 07 06:55:21.260 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 07 06:55:21.260 INFO [stderr] 
Dec 07 06:55:24.855 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
Dec 07 06:55:24.862 INFO [stderr] su: No module specific data is present
Dec 07 06:55:26.058 INFO running `"docker" "inspect" "00fe69fe2d73803d7a4e601d88f878982c73e42927270f926f5b9a997cbeb3ac"`
Dec 07 06:55:26.376 INFO running `"docker" "rm" "-f" "00fe69fe2d73803d7a4e601d88f878982c73e42927270f926f5b9a997cbeb3ac"`
Dec 07 06:55:26.661 INFO [stdout] 00fe69fe2d73803d7a4e601d88f878982c73e42927270f926f5b9a997cbeb3ac