Dec 07 09:46:37.734 INFO testing itsybitsy_m0-0.1.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 09:46:37.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 09:46:37.944 INFO [stdout] fbebb2622ba7218341704dae33a58e9b3bf106732020d46b84b7bbad8620a664
Dec 07 09:46:37.946 INFO running `"docker" "start" "-a" "fbebb2622ba7218341704dae33a58e9b3bf106732020d46b84b7bbad8620a664"`
Dec 07 09:46:38.573 INFO [stderr] usermod: no changes
Dec 07 09:46:38.701 INFO [stderr]    Compiling atsamd21g18a v0.3.1
Dec 07 09:46:38.701 INFO [stderr]    Compiling bitfield v0.13.1
Dec 07 09:46:38.701 INFO [stderr]    Compiling itsybitsy_m0 v0.1.0 (/source)
Dec 07 09:46:38.703 INFO [stderr]    Compiling mashup-impl v0.1.9
Dec 07 09:46:41.115 INFO [stderr]    Compiling mashup v0.1.9
Dec 07 09:46:56.172 INFO [stderr]    Compiling atsamd21-hal v0.2.1
Dec 07 09:47:19.329 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.71s
Dec 07 09:47:19.333 INFO [stderr] su: No module specific data is present
Dec 07 09:47:19.607 INFO running `"docker" "inspect" "fbebb2622ba7218341704dae33a58e9b3bf106732020d46b84b7bbad8620a664"`
Dec 07 09:47:19.684 INFO running `"docker" "rm" "-f" "fbebb2622ba7218341704dae33a58e9b3bf106732020d46b84b7bbad8620a664"`
Dec 07 09:47:19.801 INFO [stdout] fbebb2622ba7218341704dae33a58e9b3bf106732020d46b84b7bbad8620a664
Dec 07 09:47:19.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 09:47:19.999 INFO [stdout] 3d604444c49ca0c6ba2ca18d907f151da23a740822014a6469fcf6292a39809c
Dec 07 09:47:20.006 INFO running `"docker" "start" "-a" "3d604444c49ca0c6ba2ca18d907f151da23a740822014a6469fcf6292a39809c"`
Dec 07 09:47:20.421 INFO [stderr] usermod: no changes
Dec 07 09:47:20.495 INFO [stderr]    Compiling ssd1306 v0.2.1
Dec 07 09:47:20.496 INFO [stderr]    Compiling panic-abort v0.2.0
Dec 07 09:47:20.560 INFO [stderr] error[E0557]: feature has been removed
Dec 07 09:47:20.560 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 07 09:47:20.560 INFO [stderr]    |
Dec 07 09:47:20.560 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 07 09:47:20.560 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:47:20.560 INFO [stderr]    |
Dec 07 09:47:20.560 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 07 09:47:20.560 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 07 09:47:20.560 INFO [stderr]    |
Dec 07 09:47:20.560 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 07 09:47:20.560 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:47:20.560 INFO [stderr] 
Dec 07 09:47:20.572 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 09:47:20.572 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
Dec 07 09:47:20.572 INFO [stderr]    |
Dec 07 09:47:20.572 INFO [stderr] 28 | #[panic_implementation]
Dec 07 09:47:20.572 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:47:20.572 INFO [stderr]    |
Dec 07 09:47:20.572 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 07 09:47:20.572 INFO [stderr] 
Dec 07 09:47:20.572 INFO [stderr] error: aborting due to 2 previous errors
Dec 07 09:47:20.572 INFO [stderr] 
Dec 07 09:47:20.572 INFO [stderr] Some errors occurred: E0557, E0658.
Dec 07 09:47:20.572 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Dec 07 09:47:20.577 INFO [stderr] error: Could not compile `panic-abort`.
Dec 07 09:47:20.577 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 07 09:47:21.260 INFO [stderr] error: build failed
Dec 07 09:47:21.262 INFO [stderr] su: No module specific data is present
Dec 07 09:47:21.553 INFO running `"docker" "inspect" "3d604444c49ca0c6ba2ca18d907f151da23a740822014a6469fcf6292a39809c"`
Dec 07 09:47:21.652 INFO running `"docker" "rm" "-f" "3d604444c49ca0c6ba2ca18d907f151da23a740822014a6469fcf6292a39809c"`
Dec 07 09:47:21.767 INFO [stdout] 3d604444c49ca0c6ba2ca18d907f151da23a740822014a6469fcf6292a39809c