Dec 15 06:52:05.009 INFO testing keymatrix-0.1.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 06:52:05.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 06:52:05.205 INFO [stdout] 70d3f8e6b2f2974f53925722dcd4f6df2ac57f1660e7d7e368c72b0c6e9e824d
Dec 15 06:52:05.207 INFO running `"docker" "start" "-a" "70d3f8e6b2f2974f53925722dcd4f6df2ac57f1660e7d7e368c72b0c6e9e824d"`
Dec 15 06:52:06.399 INFO [stderr] usermod: no changes
Dec 15 06:52:06.519 INFO [stderr]    Compiling keymatrix v0.1.2 (/source)
Dec 15 06:52:07.200 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 15 06:52:07.206 INFO [stderr] su: No module specific data is present
Dec 15 06:52:07.595 INFO running `"docker" "inspect" "70d3f8e6b2f2974f53925722dcd4f6df2ac57f1660e7d7e368c72b0c6e9e824d"`
Dec 15 06:52:07.660 INFO running `"docker" "rm" "-f" "70d3f8e6b2f2974f53925722dcd4f6df2ac57f1660e7d7e368c72b0c6e9e824d"`
Dec 15 06:52:07.746 INFO [stdout] 70d3f8e6b2f2974f53925722dcd4f6df2ac57f1660e7d7e368c72b0c6e9e824d
Dec 15 06:52:07.759 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 06:52:07.984 INFO [stdout] 4c096c1c88ec72c886f7f8addfa5f1496e9cdfdfc3bfafc3809788aa6d0898c1
Dec 15 06:52:07.986 INFO running `"docker" "start" "-a" "4c096c1c88ec72c886f7f8addfa5f1496e9cdfdfc3bfafc3809788aa6d0898c1"`
Dec 15 06:52:08.331 INFO [stderr] usermod: no changes
Dec 15 06:52:08.490 INFO [stderr]    Compiling cortex-m-rt v0.6.6
Dec 15 06:52:08.491 INFO [stderr]    Compiling atsamd21g18a v0.3.1
Dec 15 06:52:08.491 INFO [stderr]    Compiling bitfield v0.13.1
Dec 15 06:52:08.491 INFO [stderr]    Compiling cortex-m-rtfm v0.3.4
Dec 15 06:52:08.491 INFO [stderr]    Compiling rtfm-core v0.2.0
Dec 15 06:52:08.491 INFO [stderr]    Compiling panic-abort v0.2.0
Dec 15 06:52:08.491 INFO [stderr]    Compiling mashup-impl v0.1.9
Dec 15 06:52:08.491 INFO [stderr]    Compiling samd21g18a v0.2.1
Dec 15 06:52:08.631 INFO [stderr] error[E0557]: feature has been removed
Dec 15 06:52:08.631 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 15 06:52:08.631 INFO [stderr]    |
Dec 15 06:52:08.631 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 15 06:52:08.631 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 15 06:52:08.631 INFO [stderr]    |
Dec 15 06:52:08.631 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 15 06:52:08.631 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 15 06:52:08.631 INFO [stderr]    |
Dec 15 06:52:08.631 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 15 06:52:08.631 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 15 06:52:08.631 INFO [stderr] 
Dec 15 06:52:08.792 INFO [stderr] error[E0658]: The attribute `panic_implementation` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 15 06:52:08.792 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
Dec 15 06:52:08.792 INFO [stderr]    |
Dec 15 06:52:08.792 INFO [stderr] 28 | #[panic_implementation]
Dec 15 06:52:08.792 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 15 06:52:08.792 INFO [stderr]    |
Dec 15 06:52:08.792 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 06:52:08.792 INFO [stderr] 
Dec 15 06:52:08.799 INFO [stderr] error: aborting due to 2 previous errors
Dec 15 06:52:08.799 INFO [stderr] 
Dec 15 06:52:08.799 INFO [stderr] Some errors occurred: E0557, E0658.
Dec 15 06:52:08.803 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Dec 15 06:52:08.829 INFO [stderr] error: Could not compile `panic-abort`.
Dec 15 06:52:08.829 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 15 06:52:20.319 INFO [stderr] error: build failed
Dec 15 06:52:20.319 INFO [stderr] su: No module specific data is present
Dec 15 06:52:20.621 INFO running `"docker" "inspect" "4c096c1c88ec72c886f7f8addfa5f1496e9cdfdfc3bfafc3809788aa6d0898c1"`
Dec 15 06:52:20.709 INFO running `"docker" "rm" "-f" "4c096c1c88ec72c886f7f8addfa5f1496e9cdfdfc3bfafc3809788aa6d0898c1"`
Dec 15 06:52:20.818 INFO [stdout] 4c096c1c88ec72c886f7f8addfa5f1496e9cdfdfc3bfafc3809788aa6d0898c1