Aug 11 13:52:38.983 INFO checking gemma_m0-0.1.0 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 13:52:38.983 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 13:52:38.983 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 13:52:38.983 INFO running `"docker" "create" "-v" "/tmp/crater.TPBcQbDySSQu:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 13:52:39.245 INFO blam! 686855c3ebec9062b817b7f2b937a86802db5347abceb1f443f6f0646437b468
Aug 11 13:52:39.247 INFO running `"docker" "start" "-a" "686855c3ebec9062b817b7f2b937a86802db5347abceb1f443f6f0646437b468"`
Aug 11 13:52:40.327 INFO kablam!    Compiling cortex-m-rt v0.4.0
Aug 11 13:52:40.327 INFO kablam!     Checking bare-metal v0.1.2
Aug 11 13:52:40.329 INFO kablam!     Checking panic-abort v0.1.1
Aug 11 13:52:40.601 INFO kablam! error[E0522]: definition of an unknown language item: `panic_fmt`
Aug 11 13:52:40.601 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.1.1/src/lib.rs:25:1
Aug 11 13:52:40.601 INFO kablam!    |
Aug 11 13:52:40.601 INFO kablam! 25 | #[lang = "panic_fmt"]
Aug 11 13:52:40.601 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^ definition of unknown language item `panic_fmt`
Aug 11 13:52:40.601 INFO kablam! 
Aug 11 13:52:40.602 INFO kablam! error: aborting due to previous error
Aug 11 13:52:40.602 INFO kablam! 
Aug 11 13:52:40.602 INFO kablam! For more information about this error, try `rustc --explain E0522`.
Aug 11 13:52:40.607 INFO kablam! error: Could not compile `panic-abort`.
Aug 11 13:52:40.607 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 13:52:40.698 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 13:52:40.698 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 11 13:52:40.698 INFO kablam!   |
Aug 11 13:52:40.698 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 13:52:40.698 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 13:52:40.698 INFO kablam! 
Aug 11 13:52:40.706 INFO kablam! error: aborting due to previous error
Aug 11 13:52:40.706 INFO kablam! 
Aug 11 13:52:40.707 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 13:52:40.731 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 13:52:40.731 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 13:52:41.919 INFO kablam! error: build failed
Aug 11 13:52:41.921 INFO kablam! su: No module specific data is present
Aug 11 13:52:42.928 INFO running `"docker" "rm" "-f" "686855c3ebec9062b817b7f2b937a86802db5347abceb1f443f6f0646437b468"`
Aug 11 13:52:43.100 INFO blam! 686855c3ebec9062b817b7f2b937a86802db5347abceb1f443f6f0646437b468