Sep 20 04:39:14.989 INFO checking default_allocator-0.2.3 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 04:39:14.989 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 04:39:14.989 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:39:15.129 INFO blam! 7d871f4407ec6f2251ae0f8c4a24f65ca9c6669bbcd3f0c76a3e42631191b583
Sep 20 04:39:15.131 INFO running `"docker" "start" "-a" "7d871f4407ec6f2251ae0f8c4a24f65ca9c6669bbcd3f0c76a3e42631191b583"`
Sep 20 04:39:17.009 INFO kablam! usermod: no changes
Sep 20 04:39:17.040 INFO kablam!    Compiling ptr v0.1.4
Sep 20 04:39:17.590 INFO kablam! error[E0635]: unknown feature `const_align_of`
Sep 20 04:39:17.590 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Sep 20 04:39:17.590 INFO kablam!    |
Sep 20 04:39:17.590 INFO kablam! 13 | #![feature(const_align_of)]
Sep 20 04:39:17.590 INFO kablam!    |            ^^^^^^^^^^^^^^
Sep 20 04:39:17.590 INFO kablam! 
Sep 20 04:39:17.592 INFO kablam! error: aborting due to previous error
Sep 20 04:39:17.592 INFO kablam! 
Sep 20 04:39:17.592 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 20 04:39:17.597 INFO kablam! error: Could not compile `ptr`.
Sep 20 04:39:17.597 INFO kablam! 
Sep 20 04:39:17.597 INFO kablam! To learn more, run the command again with --verbose.
Sep 20 04:39:17.598 INFO kablam! su: No module specific data is present
Sep 20 04:39:18.122 INFO running `"docker" "rm" "-f" "7d871f4407ec6f2251ae0f8c4a24f65ca9c6669bbcd3f0c76a3e42631191b583"`
Sep 20 04:39:18.179 INFO blam! 7d871f4407ec6f2251ae0f8c4a24f65ca9c6669bbcd3f0c76a3e42631191b583