Dec 07 09:46:37.739 INFO testing itsybitsy_m0-0.1.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 09:46:37.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 09:46:37.918 INFO [stdout] 3179e08813084708874047480061b6b0ecc3fb8e0a17a0c378a7b395e14b31e7
Dec 07 09:46:37.921 INFO running `"docker" "start" "-a" "3179e08813084708874047480061b6b0ecc3fb8e0a17a0c378a7b395e14b31e7"`
Dec 07 09:46:38.440 INFO [stderr] usermod: no changes
Dec 07 09:46:38.540 INFO [stderr]    Compiling itsybitsy_m0 v0.1.0 (/source)
Dec 07 09:46:38.543 INFO [stderr]    Compiling atsamd21g18a v0.3.1
Dec 07 09:46:38.543 INFO [stderr]    Compiling mashup-impl v0.1.9
Dec 07 09:46:40.659 INFO [stderr]    Compiling mashup v0.1.9
Dec 07 09:46:56.202 INFO [stderr]    Compiling atsamd21-hal v0.2.1
Dec 07 09:47:19.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.02s
Dec 07 09:47:19.486 INFO [stderr] su: No module specific data is present
Dec 07 09:47:19.693 INFO running `"docker" "inspect" "3179e08813084708874047480061b6b0ecc3fb8e0a17a0c378a7b395e14b31e7"`
Dec 07 09:47:19.813 INFO running `"docker" "rm" "-f" "3179e08813084708874047480061b6b0ecc3fb8e0a17a0c378a7b395e14b31e7"`
Dec 07 09:47:19.950 INFO [stdout] 3179e08813084708874047480061b6b0ecc3fb8e0a17a0c378a7b395e14b31e7
Dec 07 09:47:19.951 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 09:47:20.139 INFO [stdout] db16efe835866fee4eb32ffe068fa4c54447e00f96b010ee454a961cd02b7c8f
Dec 07 09:47:20.142 INFO running `"docker" "start" "-a" "db16efe835866fee4eb32ffe068fa4c54447e00f96b010ee454a961cd02b7c8f"`
Dec 07 09:47:20.772 INFO [stderr] usermod: no changes
Dec 07 09:47:20.838 INFO [stderr]    Compiling ssd1306 v0.2.1
Dec 07 09:47:20.839 INFO [stderr]    Compiling embedded-graphics v0.4.4
Dec 07 09:47:20.839 INFO [stderr]    Compiling panic-abort v0.2.0
Dec 07 09:47:20.902 INFO [stderr] error[E0557]: feature has been removed
Dec 07 09:47:20.902 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 07 09:47:20.902 INFO [stderr]    |
Dec 07 09:47:20.902 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 07 09:47:20.903 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:47:20.903 INFO [stderr]    |
Dec 07 09:47:20.903 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 07 09:47:20.903 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 07 09:47:20.903 INFO [stderr]    |
Dec 07 09:47:20.903 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 07 09:47:20.903 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:47:20.903 INFO [stderr] 
Dec 07 09:47:20.913 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 07 09:47:20.913 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
Dec 07 09:47:20.914 INFO [stderr]    |
Dec 07 09:47:20.914 INFO [stderr] 28 | #[panic_implementation]
Dec 07 09:47:20.914 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:47:20.914 INFO [stderr]    |
Dec 07 09:47:20.914 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 07 09:47:20.914 INFO [stderr] 
Dec 07 09:47:20.917 INFO [stderr] error: aborting due to 2 previous errors
Dec 07 09:47:20.917 INFO [stderr] 
Dec 07 09:47:20.917 INFO [stderr] Some errors occurred: E0557, E0658.
Dec 07 09:47:20.919 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Dec 07 09:47:20.925 INFO [stderr] error: Could not compile `panic-abort`.
Dec 07 09:47:20.925 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 07 09:47:21.583 INFO [stderr] error: build failed
Dec 07 09:47:21.583 INFO [stderr] su: No module specific data is present
Dec 07 09:47:21.860 INFO running `"docker" "inspect" "db16efe835866fee4eb32ffe068fa4c54447e00f96b010ee454a961cd02b7c8f"`
Dec 07 09:47:21.939 INFO running `"docker" "rm" "-f" "db16efe835866fee4eb32ffe068fa4c54447e00f96b010ee454a961cd02b7c8f"`
Dec 07 09:47:22.043 INFO [stdout] db16efe835866fee4eb32ffe068fa4c54447e00f96b010ee454a961cd02b7c8f