Aug 01 15:06:24.576 INFO checking rust-lang-nursery/polonius against 1.27.2 for lazy_static-1
Aug 01 15:06:24.576 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:06:24.576 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:06:24.576 INFO running `"docker" "create" "-v" "/tmp/crater.4XakQA3B7Dvv:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 15:06:24.798 INFO blam! ab7203fd0bd897f6019c0246429fb524335f825075ec3ae58f162b421f4087e4
Aug 01 15:06:24.801 INFO running `"docker" "start" "-a" "ab7203fd0bd897f6019c0246429fb524335f825075ec3ae58f162b421f4087e4"`
Aug 01 15:06:26.031 INFO kablam!    Compiling string_cache_shared v0.3.0
Aug 01 15:06:26.038 INFO kablam!    Compiling void v1.0.2
Aug 01 15:06:26.047 INFO kablam!    Compiling ucd-util v0.1.1
Aug 01 15:06:26.054 INFO kablam!    Compiling typenum v1.10.0
Aug 01 15:06:26.057 INFO kablam!    Compiling utf8-ranges v1.0.0
Aug 01 15:06:26.059 INFO kablam!    Compiling precomputed-hash v0.1.1
Aug 01 15:06:26.061 INFO kablam!    Compiling bit-vec v0.4.4
Aug 01 15:06:26.069 INFO kablam!    Compiling ordermap v0.3.5
Aug 01 15:06:27.842 INFO kablam!    Compiling ena v0.5.0
Aug 01 15:06:27.853 INFO kablam!    Compiling lalrpop-util v0.15.2
Aug 01 15:06:27.938 INFO kablam!    Compiling regex-syntax v0.4.2
Aug 01 15:06:35.398 INFO kablam!    Compiling arrayref v0.3.4
Aug 01 15:06:35.399 INFO kablam!    Compiling byte-tools v0.2.0
Aug 01 15:06:35.482 INFO kablam!    Compiling fake-simd v0.1.2
Aug 01 15:06:35.630 INFO kablam!    Compiling strsim v0.6.0
Aug 01 15:06:36.938 INFO kablam!     Checking datafrog v0.1.0
Aug 01 15:06:38.382 INFO kablam!    Compiling memchr v2.0.1
Aug 01 15:06:39.297 INFO kablam!    Compiling phf_shared v0.7.22
Aug 01 15:06:43.811 INFO kablam!    Compiling ascii-canvas v1.0.0
Aug 01 15:06:43.812 INFO kablam!    Compiling itertools v0.7.8
Aug 01 15:06:43.812 INFO kablam!    Compiling unreachable v1.0.0
Aug 01 15:06:44.006 INFO kablam!    Compiling regex-syntax v0.5.6
Aug 01 15:06:44.065 INFO kablam!    Compiling bit-set v0.4.0
Aug 01 15:06:44.304 INFO kablam!     Checking rustc-hash v1.0.1
Aug 01 15:06:44.622 INFO kablam!    Compiling block-buffer v0.3.3
Aug 01 15:06:45.378 INFO kablam!    Compiling petgraph v0.4.12
Aug 01 15:06:47.909 INFO kablam!    Compiling phf_generator v0.7.22
Aug 01 15:06:50.122 INFO kablam!    Compiling aho-corasick v0.6.6
Aug 01 15:06:51.800 INFO kablam!    Compiling thread_local v0.3.5
Aug 01 15:06:52.482 INFO kablam!    Compiling new_debug_unreachable v1.0.1
Aug 01 15:06:54.006 INFO kablam!     Checking polonius-engine v0.5.0
Aug 01 15:06:56.047 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:06:56.047 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/polonius-engine-0.5.0/src/lib.rs:1:1
Aug 01 15:06:56.047 INFO kablam!   |
Aug 01 15:06:56.047 INFO kablam! 1 | #![feature(crate_in_paths)]
Aug 01 15:06:56.047 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:06:56.064 INFO kablam! 
Aug 01 15:06:56.066 INFO kablam! error: aborting due to previous error
Aug 01 15:06:56.080 INFO kablam! 
Aug 01 15:06:56.081 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:06:56.113 INFO kablam! error: Could not compile `polonius-engine`.
Aug 01 15:06:56.113 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:07:30.731 INFO kablam! error: build failed
Aug 01 15:07:30.733 INFO kablam! su: No module specific data is present
Aug 01 15:07:31.535 INFO running `"docker" "rm" "-f" "ab7203fd0bd897f6019c0246429fb524335f825075ec3ae58f162b421f4087e4"`
Aug 01 15:07:31.699 INFO blam! ab7203fd0bd897f6019c0246429fb524335f825075ec3ae58f162b421f4087e4