Sep 04 22:53:47.754 INFO checking default_allocator-0.2.3 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 22:53:47.755 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 22:53:47.755 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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 +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 22:53:47.930 INFO blam! 6be637ff82f4c7cb3f12876ddf477f6c9cea1f17f7154262ad9074dd7829555e
Sep 04 22:53:47.932 INFO running `"docker" "start" "-a" "6be637ff82f4c7cb3f12876ddf477f6c9cea1f17f7154262ad9074dd7829555e"`
Sep 04 22:53:48.527 INFO kablam!    Compiling ptr v0.1.4
Sep 04 22:53:49.270 INFO kablam! error[E0635]: unknown feature `const_align_of`
Sep 04 22:53:49.270 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Sep 04 22:53:49.271 INFO kablam!    |
Sep 04 22:53:49.271 INFO kablam! 13 | #![feature(const_align_of)]
Sep 04 22:53:49.271 INFO kablam!    |            ^^^^^^^^^^^^^^
Sep 04 22:53:49.271 INFO kablam! 
Sep 04 22:53:49.274 INFO kablam! error: aborting due to previous error
Sep 04 22:53:49.274 INFO kablam! 
Sep 04 22:53:49.274 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 22:53:49.282 INFO kablam! error: Could not compile `ptr`.
Sep 04 22:53:49.282 INFO kablam! 
Sep 04 22:53:49.282 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 22:53:49.283 INFO kablam! su: No module specific data is present
Sep 04 22:53:49.919 INFO running `"docker" "rm" "-f" "6be637ff82f4c7cb3f12876ddf477f6c9cea1f17f7154262ad9074dd7829555e"`
Sep 04 22:53:50.012 INFO blam! 6be637ff82f4c7cb3f12876ddf477f6c9cea1f17f7154262ad9074dd7829555e