Sep 10 03:09:04.846 INFO checking niklasad1/nrf52dk-rs against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 03:09:04.846 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 03:09:04.846 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 03:09:05.048 INFO blam! cd1750884d0d035debbc08e2868ea64133eb246074506b1b1952f08dfc1a0aa5
Sep 10 03:09:05.050 INFO running `"docker" "start" "-a" "cd1750884d0d035debbc08e2868ea64133eb246074506b1b1952f08dfc1a0aa5"`
Sep 10 03:09:06.909 INFO kablam! usermod: no changes
Sep 10 03:09:07.010 INFO kablam!    Compiling cortex-m v0.5.6
Sep 10 03:09:07.010 INFO kablam!     Checking vcell v0.1.0
Sep 10 03:09:07.010 INFO kablam!     Checking aligned v0.2.0
Sep 10 03:09:07.010 INFO kablam!     Checking bare-metal v0.2.3
Sep 10 03:09:07.010 INFO kablam!     Checking tock-registers v0.1.0
Sep 10 03:09:07.742 INFO kablam!     Checking volatile-register v0.2.0
Sep 10 03:09:10.408 INFO kablam!     Checking nrf52dk-rs v0.2.0 (file:///source)
Sep 10 03:09:10.958 INFO kablam! error[E0152]: duplicate lang item found: `start`.
Sep 10 03:09:10.958 INFO kablam!  --> src/lang_items.rs:3:1
Sep 10 03:09:10.958 INFO kablam!   |
Sep 10 03:09:10.958 INFO kablam! 3 | / extern "C" fn start<T>(main: fn() -> T, _argc: isize, _argv: *const *const u8) -> i32
Sep 10 03:09:10.958 INFO kablam! 4 | | where
Sep 10 03:09:10.958 INFO kablam! 5 | |     T: Termination,
Sep 10 03:09:10.958 INFO kablam! 6 | | {
Sep 10 03:09:10.958 INFO kablam! 7 | |     main();
Sep 10 03:09:10.958 INFO kablam! 8 | |     0
Sep 10 03:09:10.958 INFO kablam! 9 | | }
Sep 10 03:09:10.958 INFO kablam!   | |_^
Sep 10 03:09:10.958 INFO kablam!   |
Sep 10 03:09:10.958 INFO kablam!   = note: first defined in crate `std`.
Sep 10 03:09:10.958 INFO kablam! 
Sep 10 03:09:10.958 INFO kablam! error[E0152]: duplicate lang item found: `termination`.
Sep 10 03:09:10.958 INFO kablam!   --> src/lang_items.rs:12:1
Sep 10 03:09:10.958 INFO kablam!    |
Sep 10 03:09:10.958 INFO kablam! 12 | / pub trait Termination {
Sep 10 03:09:10.958 INFO kablam! 13 | |     fn report(self) -> i32;
Sep 10 03:09:10.958 INFO kablam! 14 | | }
Sep 10 03:09:10.958 INFO kablam!    | |_^
Sep 10 03:09:10.958 INFO kablam!    |
Sep 10 03:09:10.958 INFO kablam!    = note: first defined in crate `std`.
Sep 10 03:09:10.958 INFO kablam! 
Sep 10 03:09:11.558 INFO kablam! error: aborting due to 2 previous errors
Sep 10 03:09:11.558 INFO kablam! 
Sep 10 03:09:11.558 INFO kablam! For more information about this error, try `rustc --explain E0152`.
Sep 10 03:09:11.576 INFO kablam! error: Could not compile `nrf52dk-rs`.
Sep 10 03:09:11.576 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 03:09:11.646 INFO kablam! warning: the feature `panic_handler` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 10 03:09:11.646 INFO kablam!   --> src/lib.rs:15:79
Sep 10 03:09:11.646 INFO kablam!    |
Sep 10 03:09:11.646 INFO kablam! 15 | #![feature(asm, extern_prelude, lang_items, start, naked_functions, const_fn, panic_handler)]
Sep 10 03:09:11.646 INFO kablam!    |                                                                               ^^^^^^^^^^^^^
Sep 10 03:09:11.646 INFO kablam!    |
Sep 10 03:09:11.646 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 10 03:09:11.646 INFO kablam! 
Sep 10 03:09:11.814 INFO kablam! error: build failed
Sep 10 03:09:11.818 INFO kablam! su: No module specific data is present
Sep 10 03:09:12.800 INFO running `"docker" "rm" "-f" "cd1750884d0d035debbc08e2868ea64133eb246074506b1b1952f08dfc1a0aa5"`
Sep 10 03:09:12.908 INFO blam! cd1750884d0d035debbc08e2868ea64133eb246074506b1b1952f08dfc1a0aa5