Sep 01 06:39:11.559 INFO checking default_allocator-0.2.3 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 06:39:11.559 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 06:39:11.559 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 06:39:11.709 INFO blam! c5ab2f7bcadcbe051b56b1f5d29c433c5bf7b0b0b586f32402e89e7a3ee5f216
Sep 01 06:39:11.711 INFO running `"docker" "start" "-a" "c5ab2f7bcadcbe051b56b1f5d29c433c5bf7b0b0b586f32402e89e7a3ee5f216"`
Sep 01 06:39:12.397 INFO kablam!    Compiling ptr v0.1.4
Sep 01 06:39:13.382 INFO kablam! error[E0635]: unknown feature `const_align_of`
Sep 01 06:39:13.382 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Sep 01 06:39:13.382 INFO kablam!    |
Sep 01 06:39:13.382 INFO kablam! 13 | #![feature(const_align_of)]
Sep 01 06:39:13.382 INFO kablam!    |            ^^^^^^^^^^^^^^
Sep 01 06:39:13.382 INFO kablam! 
Sep 01 06:39:13.389 INFO kablam! error: aborting due to previous error
Sep 01 06:39:13.389 INFO kablam! 
Sep 01 06:39:13.389 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 06:39:13.396 INFO kablam! error: Could not compile `ptr`.
Sep 01 06:39:13.397 INFO kablam! 
Sep 01 06:39:13.397 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 06:39:13.398 INFO kablam! su: No module specific data is present
Sep 01 06:39:13.897 INFO running `"docker" "rm" "-f" "c5ab2f7bcadcbe051b56b1f5d29c433c5bf7b0b0b586f32402e89e7a3ee5f216"`
Sep 01 06:39:13.992 INFO blam! c5ab2f7bcadcbe051b56b1f5d29c433c5bf7b0b0b586f32402e89e7a3ee5f216