Aug 01 19:24:55.383 INFO checking validator_derive-0.7.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:24:55.383 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:24:55.383 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:24:55.383 INFO running `"docker" "create" "-v" "/tmp/crater.onjBbRpW5OLT:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+tmplazy:/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 19:24:55.594 INFO blam! 43cae51fceadbb6621cf01bfe4f0cf11becd2fbb88290a612b971a97f6731793
Aug 01 19:24:55.597 INFO running `"docker" "start" "-a" "43cae51fceadbb6621cf01bfe4f0cf11becd2fbb88290a612b971a97f6731793"`
Aug 01 19:24:56.810 INFO kablam!     Checking matches v0.1.7
Aug 01 19:24:56.812 INFO kablam!     Checking unicode-normalization v0.1.7
Aug 01 19:24:56.816 INFO kablam!    Compiling compiletest_rs v0.3.13
Aug 01 19:24:56.816 INFO kablam!     Checking dtoa v0.4.3
Aug 01 19:24:56.816 INFO kablam!     Checking percent-encoding v1.0.1
Aug 01 19:24:56.817 INFO kablam!     Checking unicode-width v0.1.5
Aug 01 19:24:56.818 INFO kablam!     Checking itoa v0.4.2
Aug 01 19:24:56.818 INFO kablam!     Checking diff v0.1.11
Aug 01 19:24:57.486 INFO kablam!     Checking if_chain v0.1.3
Aug 01 19:24:59.150 INFO kablam!    Compiling regex-syntax v0.6.2
Aug 01 19:25:00.789 INFO kablam!     Checking proc-macro2 v0.4.9
Aug 01 19:25:01.129 INFO kablam!     Checking filetime v0.2.1
Aug 01 19:25:01.857 INFO kablam!     Checking unicode-bidi v0.3.4
Aug 01 19:25:03.294 INFO kablam!     Checking getopts v0.2.18
Aug 01 19:25:04.376 INFO kablam!     Checking serde_json v1.0.24
Aug 01 19:25:12.790 INFO kablam!     Checking quote v0.6.4
Aug 01 19:25:16.386 INFO kablam!     Checking syn v0.14.5
Aug 01 19:25:36.641 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:25:36.641 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:13:39
Aug 01 19:25:36.641 INFO kablam!    |
Aug 01 19:25:36.641 INFO kablam! 13 | #![cfg_attr(not(feature = "norustc"), feature(rustc_private))]
Aug 01 19:25:36.641 INFO kablam!    |                                       ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:25:36.641 INFO kablam! 
Aug 01 19:25:36.642 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:25:36.642 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:14:38
Aug 01 19:25:36.642 INFO kablam!    |
Aug 01 19:25:36.642 INFO kablam! 14 | #![cfg_attr(not(feature = "stable"), feature(test))]
Aug 01 19:25:36.642 INFO kablam!    |                                      ^^^^^^^^^^^^^^
Aug 01 19:25:36.642 INFO kablam! 
Aug 01 19:25:36.642 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:25:36.642 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.13/src/lib.rs:15:38
Aug 01 19:25:36.642 INFO kablam!    |
Aug 01 19:25:36.642 INFO kablam! 15 | #![cfg_attr(not(feature = "stable"), feature(slice_rotate))]
Aug 01 19:25:36.642 INFO kablam!    |                                      ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:25:36.643 INFO kablam! 
Aug 01 19:25:36.707 INFO kablam! error: aborting due to 3 previous errors
Aug 01 19:25:36.707 INFO kablam! 
Aug 01 19:25:36.707 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:25:36.801 INFO kablam! error: Could not compile `compiletest_rs`.
Aug 01 19:25:36.801 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:26:21.615 INFO kablam! error: build failed
Aug 01 19:26:21.617 INFO kablam! su: No module specific data is present
Aug 01 19:26:22.142 INFO running `"docker" "rm" "-f" "43cae51fceadbb6621cf01bfe4f0cf11becd2fbb88290a612b971a97f6731793"`
Aug 01 19:26:22.306 INFO blam! 43cae51fceadbb6621cf01bfe4f0cf11becd2fbb88290a612b971a97f6731793