Sep 21 05:58:41.521 INFO checking panic_rtt-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 05:58:41.521 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 05:58:41.521 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 05:58:41.729 INFO blam! efdf64d90972e9a29fdca7b31062c8a59b7397a41e1e3886c60ae40a0c8767a0
Sep 21 05:58:41.729 INFO running `"docker" "start" "-a" "efdf64d90972e9a29fdca7b31062c8a59b7397a41e1e3886c60ae40a0c8767a0"`
Sep 21 05:58:43.297 INFO kablam! usermod: no changes
Sep 21 05:58:43.354 INFO kablam!     Checking jlink_rtt v0.1.0
Sep 21 05:58:43.554 INFO kablam!     Checking panic_rtt v0.1.0 (/source)
Sep 21 05:58:43.744 INFO kablam! error: the feature `panic_handler` has been stable since 1.30.0 and no longer requires an attribute to enable
Sep 21 05:58:43.744 INFO kablam!   --> src/lib.rs:20:12
Sep 21 05:58:43.744 INFO kablam!    |
Sep 21 05:58:43.744 INFO kablam! 20 | #![feature(panic_handler)]
Sep 21 05:58:43.744 INFO kablam!    |            ^^^^^^^^^^^^^
Sep 21 05:58:43.744 INFO kablam!    |
Sep 21 05:58:43.744 INFO kablam! note: lint level defined here
Sep 21 05:58:43.744 INFO kablam!   --> src/lib.rs:19:9
Sep 21 05:58:43.744 INFO kablam!    |
Sep 21 05:58:43.744 INFO kablam! 19 | #![deny(warnings)]
Sep 21 05:58:43.744 INFO kablam!    |         ^^^^^^^^
Sep 21 05:58:43.744 INFO kablam!    = note: #[deny(stable_features)] implied by #[deny(warnings)]
Sep 21 05:58:43.744 INFO kablam! 
Sep 21 05:58:43.751 INFO kablam! error: aborting due to previous error
Sep 21 05:58:43.751 INFO kablam! 
Sep 21 05:58:43.757 INFO kablam! error: Could not compile `panic_rtt`.
Sep 21 05:58:43.757 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 05:58:43.800 INFO kablam! error[E0152]: duplicate lang item found: `panic_impl`.
Sep 21 05:58:43.800 INFO kablam!   --> src/lib.rs:31:1
Sep 21 05:58:43.800 INFO kablam!    |
Sep 21 05:58:43.800 INFO kablam! 31 | / fn panic(info: &PanicInfo) -> ! {
Sep 21 05:58:43.800 INFO kablam! 32 | |     interrupt::disable();
Sep 21 05:58:43.800 INFO kablam! 33 | |
Sep 21 05:58:43.800 INFO kablam! 34 | |     let mut out = jlink_rtt::Output::new();
Sep 21 05:58:43.800 INFO kablam! ...  |
Sep 21 05:58:43.800 INFO kablam! 37 | |     loop {}
Sep 21 05:58:43.800 INFO kablam! 38 | | }
Sep 21 05:58:43.800 INFO kablam!    | |_^
Sep 21 05:58:43.800 INFO kablam!    |
Sep 21 05:58:43.800 INFO kablam!    = note: first defined in crate `std`.
Sep 21 05:58:43.800 INFO kablam! 
Sep 21 05:58:43.807 INFO kablam! error: aborting due to previous error
Sep 21 05:58:43.807 INFO kablam! 
Sep 21 05:58:43.807 INFO kablam! For more information about this error, try `rustc --explain E0152`.
Sep 21 05:58:43.812 INFO kablam! error: Could not compile `panic_rtt`.
Sep 21 05:58:43.812 INFO kablam! 
Sep 21 05:58:43.812 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 05:58:43.813 INFO kablam! su: No module specific data is present
Sep 21 05:58:44.661 INFO running `"docker" "rm" "-f" "efdf64d90972e9a29fdca7b31062c8a59b7397a41e1e3886c60ae40a0c8767a0"`
Sep 21 05:58:45.245 INFO blam! efdf64d90972e9a29fdca7b31062c8a59b7397a41e1e3886c60ae40a0c8767a0