Sep 04 22:53:49.633 INFO checking default_allocator-0.2.3 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 22:53:49.633 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 22:53:49.633 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 04 22:53:49.761 INFO blam! b900eb2ecb0724af7f15819d38fa6b8b1d5a4cbf516f933f204c5615aed849a1
Sep 04 22:53:49.763 INFO running `"docker" "start" "-a" "b900eb2ecb0724af7f15819d38fa6b8b1d5a4cbf516f933f204c5615aed849a1"`
Sep 04 22:53:50.349 INFO kablam!    Compiling ptr v0.1.4
Sep 04 22:53:51.149 INFO kablam! error[E0635]: unknown feature `const_align_of`
Sep 04 22:53:51.149 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Sep 04 22:53:51.149 INFO kablam!    |
Sep 04 22:53:51.149 INFO kablam! 13 | #![feature(const_align_of)]
Sep 04 22:53:51.149 INFO kablam!    |            ^^^^^^^^^^^^^^
Sep 04 22:53:51.149 INFO kablam! 
Sep 04 22:53:51.153 INFO kablam! error: aborting due to previous error
Sep 04 22:53:51.153 INFO kablam! 
Sep 04 22:53:51.153 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 22:53:51.158 INFO kablam! error: Could not compile `ptr`.
Sep 04 22:53:51.158 INFO kablam! 
Sep 04 22:53:51.158 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 22:53:51.159 INFO kablam! su: No module specific data is present
Sep 04 22:53:51.669 INFO running `"docker" "rm" "-f" "b900eb2ecb0724af7f15819d38fa6b8b1d5a4cbf516f933f204c5615aed849a1"`
Sep 04 22:53:51.757 INFO blam! b900eb2ecb0724af7f15819d38fa6b8b1d5a4cbf516f933f204c5615aed849a1