Sep 02 16:42:40.081 INFO checking default_allocator-0.2.3 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 16:42:40.081 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 16:42:40.081 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 16:42:40.252 INFO blam! bbedcfd648e7d64d69ad991e8a38773ee7eae7f6955ae437e3ef009140daad0d
Sep 02 16:42:40.258 INFO running `"docker" "start" "-a" "bbedcfd648e7d64d69ad991e8a38773ee7eae7f6955ae437e3ef009140daad0d"`
Sep 02 16:42:41.051 INFO kablam!    Compiling ptr v0.1.4
Sep 02 16:42:41.983 INFO kablam! error[E0635]: unknown feature `const_align_of`
Sep 02 16:42:41.983 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Sep 02 16:42:41.983 INFO kablam!    |
Sep 02 16:42:41.984 INFO kablam! 13 | #![feature(const_align_of)]
Sep 02 16:42:41.984 INFO kablam!    |            ^^^^^^^^^^^^^^
Sep 02 16:42:41.984 INFO kablam! 
Sep 02 16:42:41.988 INFO kablam! error: aborting due to previous error
Sep 02 16:42:41.988 INFO kablam! 
Sep 02 16:42:41.988 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 16:42:41.994 INFO kablam! error: Could not compile `ptr`.
Sep 02 16:42:41.994 INFO kablam! 
Sep 02 16:42:41.994 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 16:42:41.995 INFO kablam! su: No module specific data is present
Sep 02 16:42:42.688 INFO running `"docker" "rm" "-f" "bbedcfd648e7d64d69ad991e8a38773ee7eae7f6955ae437e3ef009140daad0d"`
Sep 02 16:42:42.788 INFO blam! bbedcfd648e7d64d69ad991e8a38773ee7eae7f6955ae437e3ef009140daad0d