Aug 17 19:48:10.450 INFO checking i-o-0.4.1 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 19:48:10.450 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 19:48:10.450 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 19:48:10.450 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-4/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 19:48:10.698 INFO blam! a9dac70a99e6ec212d518cab23eff29d496c4b2e725e51336579f232f77f3dc5
Aug 17 19:48:10.705 INFO running `"docker" "start" "-a" "a9dac70a99e6ec212d518cab23eff29d496c4b2e725e51336579f232f77f3dc5"`
Aug 17 19:48:11.877 INFO kablam!    Compiling ptr v0.1.4
Aug 17 19:48:11.877 INFO kablam!    Compiling hash-table v0.2.2
Aug 17 19:48:11.877 INFO kablam!     Checking slot v0.2.5
Aug 17 19:48:11.878 INFO kablam!    Compiling containers v0.8.5
Aug 17 19:48:11.879 INFO kablam!     Checking rel v0.2.0
Aug 17 19:48:11.881 INFO kablam!     Checking heap v0.1.0
Aug 17 19:48:11.882 INFO kablam!    Compiling i-o v0.4.1 (file:///source)
Aug 17 19:48:11.889 INFO kablam!     Checking fallible v0.1.2
Aug 17 19:48:12.477 INFO kablam!    Compiling env_logger v0.5.12
Aug 17 19:48:13.865 INFO kablam! error[E0635]: unknown feature `const_align_of`
Aug 17 19:48:13.865 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ptr-0.1.4/src/lib.rs:13:12
Aug 17 19:48:13.865 INFO kablam!    |
Aug 17 19:48:13.865 INFO kablam! 13 | #![feature(const_align_of)]
Aug 17 19:48:13.865 INFO kablam!    |            ^^^^^^^^^^^^^^
Aug 17 19:48:13.865 INFO kablam! 
Aug 17 19:48:13.873 INFO kablam! error: aborting due to previous error
Aug 17 19:48:13.873 INFO kablam! 
Aug 17 19:48:13.874 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 19:48:13.905 INFO kablam! error: Could not compile `ptr`.
Aug 17 19:48:13.906 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 19:48:16.556 INFO kablam! error: build failed
Aug 17 19:48:16.559 INFO kablam! su: No module specific data is present
Aug 17 19:48:17.129 INFO running `"docker" "rm" "-f" "a9dac70a99e6ec212d518cab23eff29d496c4b2e725e51336579f232f77f3dc5"`
Aug 17 19:48:17.248 INFO blam! a9dac70a99e6ec212d518cab23eff29d496c4b2e725e51336579f232f77f3dc5