Sep 21 13:13:57.541 INFO checking atsamd21-hal-0.2.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 13:13:57.541 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 13:13:57.541 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/master#f7f4c500b46603386e940f116b469c7adc043a6d:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 13:13:57.756 INFO blam! e618881a9c3a6f76b9e7348338768326689ba29bbedca46e8a049c507974c8aa
Sep 21 13:13:57.758 INFO running `"docker" "start" "-a" "e618881a9c3a6f76b9e7348338768326689ba29bbedca46e8a049c507974c8aa"`
Sep 21 13:13:59.758 INFO kablam! usermod: no changes
Sep 21 13:14:00.016 INFO kablam!    Compiling atsamd21g18a v0.3.1
Sep 21 13:14:00.016 INFO kablam!    Compiling cortex-m-rtfm v0.3.4
Sep 21 13:14:00.030 INFO kablam!     Checking rtfm-core v0.2.0
Sep 21 13:14:00.058 INFO kablam!     Checking panic-abort v0.1.1
Sep 21 13:14:00.074 INFO kablam!    Compiling cortex-m-semihosting v0.2.1
Sep 21 13:14:00.074 INFO kablam!     Checking sx1509 v0.2.0
Sep 21 13:14:00.090 INFO kablam!    Compiling mashup-impl v0.1.7
Sep 21 13:14:00.090 INFO kablam!    Compiling synstructure v0.9.0
Sep 21 13:14:00.662 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Sep 21 13:14:00.662 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.1.1/src/lib.rs:25:1
Sep 21 13:14:00.662 INFO kablam!    |
Sep 21 13:14:00.662 INFO kablam! 25 | #[lang = "panic_fmt"]
Sep 21 13:14:00.663 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Sep 21 13:14:00.663 INFO kablam! 
Sep 21 13:14:00.706 INFO kablam! error: aborting due to previous error
Sep 21 13:14:00.706 INFO kablam! 
Sep 21 13:14:00.707 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Sep 21 13:14:00.739 INFO kablam! error: Could not compile `panic-abort`.
Sep 21 13:14:00.739 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 13:14:14.889 INFO kablam! error: build failed
Sep 21 13:14:14.889 INFO kablam! su: No module specific data is present
Sep 21 13:14:16.198 INFO running `"docker" "rm" "-f" "e618881a9c3a6f76b9e7348338768326689ba29bbedca46e8a049c507974c8aa"`
Sep 21 13:14:16.323 INFO blam! e618881a9c3a6f76b9e7348338768326689ba29bbedca46e8a049c507974c8aa