Dec 15 07:23:38.066 INFO testing itsybitsy_m0-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 07:23:38.066 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:23:38.259 INFO [stdout] 0c9239bd13677a165ea847e72090f93d0c5f8a5080881dda2f63fe575a9ab6db
Dec 15 07:23:38.260 INFO running `"docker" "start" "-a" "0c9239bd13677a165ea847e72090f93d0c5f8a5080881dda2f63fe575a9ab6db"`
Dec 15 07:23:39.123 INFO [stderr] usermod: no changes
Dec 15 07:23:39.297 INFO [stderr]    Compiling atsamd21g18a v0.3.1
Dec 15 07:23:39.297 INFO [stderr]    Compiling itsybitsy_m0 v0.1.0 (/source)
Dec 15 07:23:39.297 INFO [stderr]    Compiling bitfield v0.13.1
Dec 15 07:23:56.883 INFO [stderr]    Compiling atsamd21-hal v0.2.1
Dec 15 07:24:20.659 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.51s
Dec 15 07:24:20.665 INFO [stderr] su: No module specific data is present
Dec 15 07:24:20.991 INFO running `"docker" "inspect" "0c9239bd13677a165ea847e72090f93d0c5f8a5080881dda2f63fe575a9ab6db"`
Dec 15 07:24:21.124 INFO running `"docker" "rm" "-f" "0c9239bd13677a165ea847e72090f93d0c5f8a5080881dda2f63fe575a9ab6db"`
Dec 15 07:24:21.205 INFO [stdout] 0c9239bd13677a165ea847e72090f93d0c5f8a5080881dda2f63fe575a9ab6db
Dec 15 07:24:21.207 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 07:24:21.408 INFO [stdout] d5fde8e6201cdf63904acbf89e87d7ef36fdcdfa9924dd2df2feb8af9a71e596
Dec 15 07:24:21.413 INFO running `"docker" "start" "-a" "d5fde8e6201cdf63904acbf89e87d7ef36fdcdfa9924dd2df2feb8af9a71e596"`
Dec 15 07:24:22.221 INFO [stderr] usermod: no changes
Dec 15 07:24:22.264 INFO [stderr]    Compiling ssd1306 v0.2.1
Dec 15 07:24:22.264 INFO [stderr]    Compiling panic-abort v0.2.0
Dec 15 07:24:22.315 INFO [stderr] error[E0557]: feature has been removed
Dec 15 07:24:22.315 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 15 07:24:22.315 INFO [stderr]    |
Dec 15 07:24:22.315 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 15 07:24:22.315 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 15 07:24:22.315 INFO [stderr]    |
Dec 15 07:24:22.315 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 15 07:24:22.315 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 15 07:24:22.315 INFO [stderr]    |
Dec 15 07:24:22.315 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 15 07:24:22.315 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 15 07:24:22.315 INFO [stderr] 
Dec 15 07:24:22.391 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 07:24:22.391 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
Dec 15 07:24:22.391 INFO [stderr]    |
Dec 15 07:24:22.391 INFO [stderr] 28 | #[panic_implementation]
Dec 15 07:24:22.391 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 15 07:24:22.391 INFO [stderr]    |
Dec 15 07:24:22.391 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 07:24:22.391 INFO [stderr] 
Dec 15 07:24:22.399 INFO [stderr] error: aborting due to 2 previous errors
Dec 15 07:24:22.399 INFO [stderr] 
Dec 15 07:24:22.399 INFO [stderr] Some errors occurred: E0557, E0658.
Dec 15 07:24:22.399 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Dec 15 07:24:22.402 INFO [stderr] error: Could not compile `panic-abort`.
Dec 15 07:24:22.402 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 15 07:24:22.982 INFO [stderr] error: build failed
Dec 15 07:24:22.982 INFO [stderr] su: No module specific data is present
Dec 15 07:24:23.341 INFO running `"docker" "inspect" "d5fde8e6201cdf63904acbf89e87d7ef36fdcdfa9924dd2df2feb8af9a71e596"`
Dec 15 07:24:23.469 INFO running `"docker" "rm" "-f" "d5fde8e6201cdf63904acbf89e87d7ef36fdcdfa9924dd2df2feb8af9a71e596"`
Dec 15 07:24:23.566 INFO [stdout] d5fde8e6201cdf63904acbf89e87d7ef36fdcdfa9924dd2df2feb8af9a71e596