Dec 07 09:16:01.208 INFO testing keymatrix-0.1.2 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 09:16:01.209 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 09:16:01.572 INFO [stdout] b925b1f30aa9310241b4cbcf3aa4e909982751d495cf19a80a2e6bbdfe623a7a
Dec 07 09:16:01.575 INFO running `"docker" "start" "-a" "b925b1f30aa9310241b4cbcf3aa4e909982751d495cf19a80a2e6bbdfe623a7a"`
Dec 07 09:16:02.192 INFO [stderr] usermod: no changes
Dec 07 09:16:02.290 INFO [stderr]    Compiling keymatrix v0.1.2 (/source)
Dec 07 09:16:02.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 07 09:16:02.895 INFO [stderr] su: No module specific data is present
Dec 07 09:16:03.257 INFO running `"docker" "inspect" "b925b1f30aa9310241b4cbcf3aa4e909982751d495cf19a80a2e6bbdfe623a7a"`
Dec 07 09:16:03.351 INFO running `"docker" "rm" "-f" "b925b1f30aa9310241b4cbcf3aa4e909982751d495cf19a80a2e6bbdfe623a7a"`
Dec 07 09:16:03.465 INFO [stdout] b925b1f30aa9310241b4cbcf3aa4e909982751d495cf19a80a2e6bbdfe623a7a
Dec 07 09:16:03.469 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 09:16:03.649 INFO [stdout] d4eb81d21a2c82ad9b9a2caba09c0ff823cdff4546de36662d07c762b6da0762
Dec 07 09:16:03.654 INFO running `"docker" "start" "-a" "d4eb81d21a2c82ad9b9a2caba09c0ff823cdff4546de36662d07c762b6da0762"`
Dec 07 09:16:04.463 INFO [stderr] usermod: no changes
Dec 07 09:16:04.624 INFO [stderr]    Compiling atsamd21g18a v0.3.1
Dec 07 09:16:04.624 INFO [stderr]    Compiling cortex-m v0.4.3
Dec 07 09:16:04.624 INFO [stderr]    Compiling untagged-option v0.1.1
Dec 07 09:16:04.636 INFO [stderr]    Compiling cortex-m-rtfm v0.3.4
Dec 07 09:16:04.636 INFO [stderr]    Compiling bitfield v0.13.1
Dec 07 09:16:04.636 INFO [stderr]    Compiling rtfm-core v0.2.0
Dec 07 09:16:04.636 INFO [stderr]    Compiling panic-abort v0.2.0
Dec 07 09:16:04.716 INFO [stderr]    Compiling mashup-impl v0.1.9
Dec 07 09:16:04.928 INFO [stderr] error[E0557]: feature has been removed
Dec 07 09:16:04.928 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 07 09:16:04.928 INFO [stderr]    |
Dec 07 09:16:04.928 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 07 09:16:04.928 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:16:04.972 INFO [stderr]    |
Dec 07 09:16:04.972 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 07 09:16:04.972 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Dec 07 09:16:04.972 INFO [stderr]    |
Dec 07 09:16:04.972 INFO [stderr] 22 | #![feature(panic_implementation)]
Dec 07 09:16:04.972 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:16:04.972 INFO [stderr] 
Dec 07 09:16:05.028 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 09:16:05.028 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
Dec 07 09:16:05.028 INFO [stderr]    |
Dec 07 09:16:05.028 INFO [stderr] 28 | #[panic_implementation]
Dec 07 09:16:05.028 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:16:05.028 INFO [stderr]    |
Dec 07 09:16:05.028 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 07 09:16:05.028 INFO [stderr] 
Dec 07 09:16:05.056 INFO [stderr]    Compiling samd21g18a v0.2.1
Dec 07 09:16:05.065 INFO [stderr] error: aborting due to 2 previous errors
Dec 07 09:16:05.065 INFO [stderr] 
Dec 07 09:16:05.065 INFO [stderr] Some errors occurred: E0557, E0658.
Dec 07 09:16:05.065 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Dec 07 09:16:05.065 INFO [stderr] error: Could not compile `panic-abort`.
Dec 07 09:16:05.065 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 07 09:16:17.827 INFO [stderr] error: build failed
Dec 07 09:16:17.828 INFO [stderr] su: No module specific data is present
Dec 07 09:16:18.268 INFO running `"docker" "inspect" "d4eb81d21a2c82ad9b9a2caba09c0ff823cdff4546de36662d07c762b6da0762"`
Dec 07 09:16:18.488 INFO running `"docker" "rm" "-f" "d4eb81d21a2c82ad9b9a2caba09c0ff823cdff4546de36662d07c762b6da0762"`
Dec 07 09:16:18.720 INFO [stdout] d4eb81d21a2c82ad9b9a2caba09c0ff823cdff4546de36662d07c762b6da0762