Sep 03 23:58:57.193 INFO checking Sh4d1/rustberry against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 03 23:58:57.193 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 03 23:58:57.193 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 23:58:57.345 INFO blam! 0789834236e47d450938f534bf5f90d9fac01ba81e5ee43c8829a96a3abd7d81
Sep 03 23:58:57.347 INFO running `"docker" "start" "-a" "0789834236e47d450938f534bf5f90d9fac01ba81e5ee43c8829a96a3abd7d81"`
Sep 03 23:58:57.992 INFO kablam!     Checking tock-registers v0.1.0
Sep 03 23:58:57.992 INFO kablam!     Checking spin v0.4.8
Sep 03 23:58:57.992 INFO kablam!     Checking once v0.3.3
Sep 03 23:58:57.992 INFO kablam!     Checking volatile v0.2.4
Sep 03 23:58:58.437 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 03 23:58:58.437 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Sep 03 23:58:58.437 INFO kablam!   |
Sep 03 23:58:58.437 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 03 23:58:58.437 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 03 23:58:58.437 INFO kablam! 
Sep 03 23:58:58.437 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 03 23:58:58.437 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Sep 03 23:58:58.437 INFO kablam!   |
Sep 03 23:58:58.437 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 03 23:58:58.437 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 03 23:58:58.437 INFO kablam! 
Sep 03 23:58:58.443 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 03 23:58:58.443 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Sep 03 23:58:58.443 INFO kablam!   |
Sep 03 23:58:58.443 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 03 23:58:58.443 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 03 23:58:58.443 INFO kablam! 
Sep 03 23:58:58.443 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 03 23:58:58.443 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Sep 03 23:58:58.443 INFO kablam!   |
Sep 03 23:58:58.443 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 03 23:58:58.444 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 03 23:58:58.444 INFO kablam! 
Sep 03 23:58:58.453 INFO kablam! error: aborting due to 2 previous errors
Sep 03 23:58:58.453 INFO kablam! 
Sep 03 23:58:58.453 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 03 23:58:58.456 INFO kablam! error: aborting due to 2 previous errors
Sep 03 23:58:58.456 INFO kablam! 
Sep 03 23:58:58.456 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 03 23:58:58.458 INFO kablam! error: Could not compile `spin`.
Sep 03 23:58:58.458 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 03 23:58:58.461 INFO kablam! error: Could not compile `spin`.
Sep 03 23:58:58.461 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 03 23:58:58.680 INFO kablam! error: build failed
Sep 03 23:58:58.681 INFO kablam! su: No module specific data is present
Sep 03 23:58:59.090 INFO running `"docker" "rm" "-f" "0789834236e47d450938f534bf5f90d9fac01ba81e5ee43c8829a96a3abd7d81"`
Sep 03 23:58:59.215 INFO blam! 0789834236e47d450938f534bf5f90d9fac01ba81e5ee43c8829a96a3abd7d81