Sep 01 06:39:10.457 INFO checking default_allocator-0.2.3 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 06:39:10.457 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 06:39:10.457 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 06:39:10.623 INFO blam! 794eeb99a67d1282bc9e61650f2ae96e99b8abae8ba8572b62ff4fe2ca9831cd
Sep 01 06:39:10.625 INFO running `"docker" "start" "-a" "794eeb99a67d1282bc9e61650f2ae96e99b8abae8ba8572b62ff4fe2ca9831cd"`
Sep 01 06:39:11.257 INFO kablam!     Checking ptr v0.1.4
Sep 01 06:39:11.396 INFO kablam! error[E0635]: unknown feature `const_align_of`
Sep 01 06:39:11.396 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Sep 01 06:39:11.396 INFO kablam!    |
Sep 01 06:39:11.396 INFO kablam! 13 | #![feature(const_align_of)]
Sep 01 06:39:11.396 INFO kablam!    |            ^^^^^^^^^^^^^^
Sep 01 06:39:11.396 INFO kablam! 
Sep 01 06:39:11.400 INFO kablam! error: aborting due to previous error
Sep 01 06:39:11.400 INFO kablam! 
Sep 01 06:39:11.400 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 06:39:11.407 INFO kablam! error: Could not compile `ptr`.
Sep 01 06:39:11.407 INFO kablam! 
Sep 01 06:39:11.407 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 06:39:11.408 INFO kablam! su: No module specific data is present
Sep 01 06:39:11.749 INFO running `"docker" "rm" "-f" "794eeb99a67d1282bc9e61650f2ae96e99b8abae8ba8572b62ff4fe2ca9831cd"`
Sep 01 06:39:11.868 INFO blam! 794eeb99a67d1282bc9e61650f2ae96e99b8abae8ba8572b62ff4fe2ca9831cd