Aug 01 19:24:57.607 INFO checking validator_derive-0.7.1 against 1.27.2 for lazy_static-1
Aug 01 19:24:57.607 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:24:57.607 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:24:57.607 INFO running `"docker" "create" "-v" "/tmp/crater.ao4zd9rJXsym:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 19:24:57.815 INFO blam! 11473f15d518eaba0874268eecef7a29b7020f521c6e9d93e1015e36cd39aaa0
Aug 01 19:24:57.816 INFO running `"docker" "start" "-a" "11473f15d518eaba0874268eecef7a29b7020f521c6e9d93e1015e36cd39aaa0"`
Aug 01 19:24:58.864 INFO kablam!     Checking matches v0.1.7
Aug 01 19:24:58.867 INFO kablam!     Checking unicode-normalization v0.1.7
Aug 01 19:24:58.869 INFO kablam!     Checking percent-encoding v1.0.1
Aug 01 19:24:58.871 INFO kablam!    Compiling if_chain v0.1.3
Aug 01 19:24:58.873 INFO kablam!     Checking diff v0.1.11
Aug 01 19:24:58.876 INFO kablam!     Checking regex-syntax v0.6.2
Aug 01 19:24:58.881 INFO kablam!     Checking getopts v0.2.18
Aug 01 19:25:00.126 INFO kablam!     Checking filetime v0.2.1
Aug 01 19:25:00.240 INFO kablam!     Checking serde_json v1.0.24
Aug 01 19:25:00.517 INFO kablam!     Checking unicode-bidi v0.3.4
Aug 01 19:25:02.446 INFO kablam!    Compiling validator v0.7.1
Aug 01 19:25:12.179 INFO kablam!    Compiling validator_derive v0.7.1 (file:///source)
Aug 01 19:25:21.604 INFO kablam!     Checking compiletest_rs v0.3.13
Aug 01 19:25:29.520 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:25:29.520 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:13:39
Aug 01 19:25:29.520 INFO kablam!    |
Aug 01 19:25:29.520 INFO kablam! 13 | #![cfg_attr(not(feature = "norustc"), feature(rustc_private))]
Aug 01 19:25:29.520 INFO kablam!    |                                       ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:25:29.532 INFO kablam! 
Aug 01 19:25:29.533 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:25:29.533 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:14:38
Aug 01 19:25:29.533 INFO kablam!    |
Aug 01 19:25:29.533 INFO kablam! 14 | #![cfg_attr(not(feature = "stable"), feature(test))]
Aug 01 19:25:29.533 INFO kablam!    |                                      ^^^^^^^^^^^^^^
Aug 01 19:25:29.533 INFO kablam! 
Aug 01 19:25:29.533 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:25:29.533 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:15:38
Aug 01 19:25:29.533 INFO kablam!    |
Aug 01 19:25:29.533 INFO kablam! 15 | #![cfg_attr(not(feature = "stable"), feature(slice_rotate))]
Aug 01 19:25:29.534 INFO kablam!    |                                      ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:25:29.534 INFO kablam! 
Aug 01 19:25:29.591 INFO kablam! error: aborting due to 3 previous errors
Aug 01 19:25:29.616 INFO kablam! 
Aug 01 19:25:29.617 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:25:29.716 INFO kablam! error: Could not compile `compiletest_rs`.
Aug 01 19:25:29.717 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:25:59.829 INFO kablam! error: build failed
Aug 01 19:25:59.839 INFO kablam! su: No module specific data is present
Aug 01 19:26:00.360 INFO running `"docker" "rm" "-f" "11473f15d518eaba0874268eecef7a29b7020f521c6e9d93e1015e36cd39aaa0"`
Aug 01 19:26:00.524 INFO blam! 11473f15d518eaba0874268eecef7a29b7020f521c6e9d93e1015e36cd39aaa0