Sep 14 17:43:51.120 INFO checking default_allocator-0.2.3 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 17:43:51.120 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 17:43:51.120 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 17:43:51.261 INFO blam! c7241fbb82b51778ae27fec1b521b18a47fe4cbafa9770144608f7a33eb0a405
Sep 14 17:43:51.264 INFO running `"docker" "start" "-a" "c7241fbb82b51778ae27fec1b521b18a47fe4cbafa9770144608f7a33eb0a405"`
Sep 14 17:43:52.128 INFO kablam! usermod: no changes
Sep 14 17:43:52.155 INFO kablam!    Compiling ptr v0.1.4
Sep 14 17:43:52.777 INFO kablam! error[E0635]: unknown feature `const_align_of`
Sep 14 17:43:52.777 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Sep 14 17:43:52.777 INFO kablam!    |
Sep 14 17:43:52.777 INFO kablam! 13 | #![feature(const_align_of)]
Sep 14 17:43:52.777 INFO kablam!    |            ^^^^^^^^^^^^^^
Sep 14 17:43:52.777 INFO kablam! 
Sep 14 17:43:52.778 INFO kablam! error: aborting due to previous error
Sep 14 17:43:52.779 INFO kablam! 
Sep 14 17:43:52.779 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 17:43:52.784 INFO kablam! error: Could not compile `ptr`.
Sep 14 17:43:52.784 INFO kablam! 
Sep 14 17:43:52.784 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 17:43:52.786 INFO kablam! su: No module specific data is present
Sep 14 17:43:53.385 INFO running `"docker" "rm" "-f" "c7241fbb82b51778ae27fec1b521b18a47fe4cbafa9770144608f7a33eb0a405"`
Sep 14 17:43:53.468 INFO blam! c7241fbb82b51778ae27fec1b521b18a47fe4cbafa9770144608f7a33eb0a405