Nov 18 08:00:33.137 INFO testing keymatrix-0.1.2 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 08:00:33.137 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 08:00:33.496 INFO [stdout] 736c3c8cb4368e746000ee31e2cb6ce91886464363d4c6724b15de8b31e12df6
Nov 18 08:00:33.500 INFO running `"docker" "start" "-a" "736c3c8cb4368e746000ee31e2cb6ce91886464363d4c6724b15de8b31e12df6"`
Nov 18 08:00:34.164 INFO [stderr] usermod: no changes
Nov 18 08:00:34.224 INFO [stderr]    Compiling keymatrix v0.1.2 (/source)
Nov 18 08:00:34.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Nov 18 08:00:34.767 INFO [stderr] su: No module specific data is present
Nov 18 08:00:35.432 INFO running `"docker" "inspect" "736c3c8cb4368e746000ee31e2cb6ce91886464363d4c6724b15de8b31e12df6"`
Nov 18 08:00:35.620 INFO running `"docker" "rm" "-f" "736c3c8cb4368e746000ee31e2cb6ce91886464363d4c6724b15de8b31e12df6"`
Nov 18 08:00:35.759 INFO [stdout] 736c3c8cb4368e746000ee31e2cb6ce91886464363d4c6724b15de8b31e12df6
Nov 18 08:00:35.763 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 08:00:36.125 INFO [stdout] 9377e7e780a71894c4b9adba1e1c13cb840ed9e8f60085a7c0a5fc7ec8eebd6b
Nov 18 08:00:36.127 INFO running `"docker" "start" "-a" "9377e7e780a71894c4b9adba1e1c13cb840ed9e8f60085a7c0a5fc7ec8eebd6b"`
Nov 18 08:00:36.918 INFO [stderr] usermod: no changes
Nov 18 08:00:37.135 INFO [stderr]    Compiling atsamd21g18a v0.3.1
Nov 18 08:00:37.135 INFO [stderr]    Compiling cortex-m-rtfm v0.3.4
Nov 18 08:00:37.136 INFO [stderr]    Compiling rtfm-core v0.2.0
Nov 18 08:00:37.141 INFO [stderr]    Compiling panic-abort v0.2.0
Nov 18 08:00:37.142 INFO [stderr]    Compiling mashup-impl v0.1.9
Nov 18 08:00:37.142 INFO [stderr]    Compiling samd21g18a v0.2.1
Nov 18 08:00:37.142 INFO [stderr]    Compiling syn v0.14.9
Nov 18 08:00:37.142 INFO [stderr]    Compiling cortex-m-rt-macros v0.1.3
Nov 18 08:00:37.527 INFO [stderr] error[E0557]: feature has been removed
Nov 18 08:00:37.527 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Nov 18 08:00:37.527 INFO [stderr]    |
Nov 18 08:00:37.527 INFO [stderr] 22 | #![feature(panic_implementation)]
Nov 18 08:00:37.527 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Nov 18 08:00:37.541 INFO [stderr]    |
Nov 18 08:00:37.541 INFO [stderr] note: subsumed by `#[panic_handler]`
Nov 18 08:00:37.541 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12
Nov 18 08:00:37.541 INFO [stderr]    |
Nov 18 08:00:37.542 INFO [stderr] 22 | #![feature(panic_implementation)]
Nov 18 08:00:37.544 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Nov 18 08:00:37.544 INFO [stderr] 
Nov 18 08:00:37.575 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)
Nov 18 08:00:37.575 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3
Nov 18 08:00:37.575 INFO [stderr]    |
Nov 18 08:00:37.575 INFO [stderr] 28 | #[panic_implementation]
Nov 18 08:00:37.575 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Nov 18 08:00:37.583 INFO [stderr]    |
Nov 18 08:00:37.583 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Nov 18 08:00:37.583 INFO [stderr] 
Nov 18 08:00:37.583 INFO [stderr] error: aborting due to 2 previous errors
Nov 18 08:00:37.589 INFO [stderr] 
Nov 18 08:00:37.589 INFO [stderr] Some errors occurred: E0557, E0658.
Nov 18 08:00:37.589 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Nov 18 08:00:37.619 INFO [stderr] error: Could not compile `panic-abort`.
Nov 18 08:00:37.619 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 18 08:00:58.230 INFO [stderr] error: build failed
Nov 18 08:00:58.234 INFO [stderr] su: No module specific data is present
Nov 18 08:00:58.690 INFO running `"docker" "inspect" "9377e7e780a71894c4b9adba1e1c13cb840ed9e8f60085a7c0a5fc7ec8eebd6b"`
Nov 18 08:00:58.799 INFO running `"docker" "rm" "-f" "9377e7e780a71894c4b9adba1e1c13cb840ed9e8f60085a7c0a5fc7ec8eebd6b"`
Nov 18 08:00:58.907 INFO [stdout] 9377e7e780a71894c4b9adba1e1c13cb840ed9e8f60085a7c0a5fc7ec8eebd6b