Aug 02 04:23:58.523 INFO checking microbit-0.5.4 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:23:58.523 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:23:58.523 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:23:58.523 INFO running `"docker" "create" "-v" "/tmp/crater.CZRekh9exh2Y:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 04:23:58.775 INFO blam! 92a7263b73d3164b3f00eb60db403cc5b038ef07244afe2b4216601e9c8f3ed6
Aug 02 04:23:58.777 INFO running `"docker" "start" "-a" "92a7263b73d3164b3f00eb60db403cc5b038ef07244afe2b4216601e9c8f3ed6"`
Aug 02 04:23:59.986 INFO kablam!     Checking bare-metal v0.2.0
Aug 02 04:23:59.986 INFO kablam!    Compiling nrf51 v0.5.0
Aug 02 04:23:59.987 INFO kablam!     Checking rand_core v0.2.1
Aug 02 04:23:59.987 INFO kablam!     Checking panic-abort v0.2.0
Aug 02 04:23:59.988 INFO kablam!     Checking dcf77 v0.1.0
Aug 02 04:23:59.989 INFO kablam!     Checking numtoa v0.0.7
Aug 02 04:23:59.989 INFO kablam!    Compiling cortex-m-semihosting v0.3.0
Aug 02 04:23:59.989 INFO kablam!    Compiling cortex-m-rt v0.5.1
Aug 02 04:24:00.019 INFO kablam!     Checking mag3110 v0.1.3
Aug 02 04:24:00.534 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:24:00.534 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.0/src/lib.rs:5:35
Aug 02 04:24:00.534 INFO kablam!   |
Aug 02 04:24:00.534 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 04:24:00.534 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:24:00.534 INFO kablam! 
Aug 02 04:24:00.535 INFO kablam! error: aborting due to previous error
Aug 02 04:24:00.535 INFO kablam! 
Aug 02 04:24:00.535 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:24:00.548 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 04:24:00.548 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:24:00.889 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:24:00.889 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:21:1
Aug 02 04:24:00.890 INFO kablam!    |
Aug 02 04:24:00.890 INFO kablam! 21 | #![feature(core_intrinsics)]
Aug 02 04:24:00.890 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:24:00.890 INFO kablam! 
Aug 02 04:24:00.890 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:24:00.890 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:1
Aug 02 04:24:00.890 INFO kablam!    |
Aug 02 04:24:00.890 INFO kablam! 22 | #![feature(panic_implementation)]
Aug 02 04:24:00.890 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:24:00.890 INFO kablam! 
Aug 02 04:24:00.890 INFO kablam! 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)
Aug 02 04:24:00.890 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:1
Aug 02 04:24:00.890 INFO kablam!    |
Aug 02 04:24:00.890 INFO kablam! 28 | #[panic_implementation]
Aug 02 04:24:00.890 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:24:00.890 INFO kablam! 
Aug 02 04:24:00.890 INFO kablam! error: aborting due to 3 previous errors
Aug 02 04:24:00.890 INFO kablam! 
Aug 02 04:24:00.890 INFO kablam! Some errors occurred: E0554, E0658.
Aug 02 04:24:00.890 INFO kablam! For more information about an error, try `rustc --explain E0554`.
Aug 02 04:24:00.899 INFO kablam! error: Could not compile `panic-abort`.
Aug 02 04:24:00.899 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:24:01.028 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:24:01.028 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/mag3110-0.1.3/src/lib.rs:14:1
Aug 02 04:24:01.028 INFO kablam!    |
Aug 02 04:24:01.028 INFO kablam! 14 | #![feature(unsize)]
Aug 02 04:24:01.028 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Aug 02 04:24:01.028 INFO kablam! 
Aug 02 04:24:01.028 INFO kablam! error: aborting due to previous error
Aug 02 04:24:01.028 INFO kablam! 
Aug 02 04:24:01.028 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:24:01.057 INFO kablam! error: Could not compile `mag3110`.
Aug 02 04:24:01.057 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:24:03.298 INFO kablam! error: build failed
Aug 02 04:24:03.304 INFO kablam! su: No module specific data is present
Aug 02 04:24:04.208 INFO running `"docker" "rm" "-f" "92a7263b73d3164b3f00eb60db403cc5b038ef07244afe2b4216601e9c8f3ed6"`
Aug 02 04:24:04.356 INFO blam! 92a7263b73d3164b3f00eb60db403cc5b038ef07244afe2b4216601e9c8f3ed6