Aug 02 09:39:40.717 INFO checking fst-0.1.38 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:39:40.717 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:39:40.717 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:39:40.718 INFO running `"docker" "create" "-v" "/tmp/crater.mDedfltcaS0g:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 02 09:39:40.966 INFO blam! a824e6f3fb0799451a5103a0523f7833481af857e54c2fb9be0ad5ef8171e1f2
Aug 02 09:39:40.968 INFO running `"docker" "start" "-a" "a824e6f3fb0799451a5103a0523f7833481af857e54c2fb9be0ad5ef8171e1f2"`
Aug 02 09:39:41.960 INFO kablam!     Checking fst v0.1.38 (file:///source)
Aug 02 09:39:45.773 INFO kablam! warning: variable does not need to be mutable
Aug 02 09:39:45.773 INFO kablam!    --> src/raw/build.rs:268:40
Aug 02 09:39:45.773 INFO kablam!     |
Aug 02 09:39:45.773 INFO kablam! 268 |         if let RegistryEntry::NotFound(mut cell) = entry {
Aug 02 09:39:45.773 INFO kablam!     |                                        ----^^^^
Aug 02 09:39:45.773 INFO kablam!     |                                        |
Aug 02 09:39:45.773 INFO kablam!     |                                        help: remove this `mut`
Aug 02 09:39:45.784 INFO kablam!     |
Aug 02 09:39:45.785 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 09:39:45.785 INFO kablam! 
Aug 02 09:39:47.818 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:39:47.819 INFO kablam!  --> benches/build.rs:1:1
Aug 02 09:39:47.819 INFO kablam!   |
Aug 02 09:39:47.819 INFO kablam! 1 | #![feature(test)]
Aug 02 09:39:47.819 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 09:39:47.819 INFO kablam! 
Aug 02 09:39:47.819 INFO kablam! error: aborting due to previous error
Aug 02 09:39:47.819 INFO kablam! 
Aug 02 09:39:47.819 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:39:47.853 INFO kablam! error: Could not compile `fst`.
Aug 02 09:39:47.854 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:39:48.194 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:39:48.194 INFO kablam!  --> benches/search.rs:1:1
Aug 02 09:39:48.194 INFO kablam!   |
Aug 02 09:39:48.194 INFO kablam! 1 | #![feature(test)]
Aug 02 09:39:48.194 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 09:39:48.194 INFO kablam! 
Aug 02 09:39:48.196 INFO kablam! error: aborting due to previous error
Aug 02 09:39:48.197 INFO kablam! 
Aug 02 09:39:48.197 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:39:48.208 INFO kablam! error: Could not compile `fst`.
Aug 02 09:39:48.209 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:39:49.547 INFO kablam! warning: variable does not need to be mutable
Aug 02 09:39:49.547 INFO kablam!    --> src/raw/build.rs:268:40
Aug 02 09:39:49.547 INFO kablam!     |
Aug 02 09:39:49.547 INFO kablam! 268 |         if let RegistryEntry::NotFound(mut cell) = entry {
Aug 02 09:39:49.547 INFO kablam!     |                                        ----^^^^
Aug 02 09:39:49.547 INFO kablam!     |                                        |
Aug 02 09:39:49.547 INFO kablam!     |                                        help: remove this `mut`
Aug 02 09:39:49.547 INFO kablam!     |
Aug 02 09:39:49.548 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 09:39:49.548 INFO kablam! 
Aug 02 09:39:50.986 INFO kablam! error: build failed
Aug 02 09:39:50.989 INFO kablam! su: No module specific data is present
Aug 02 09:39:51.873 INFO running `"docker" "rm" "-f" "a824e6f3fb0799451a5103a0523f7833481af857e54c2fb9be0ad5ef8171e1f2"`
Aug 02 09:39:52.014 INFO blam! a824e6f3fb0799451a5103a0523f7833481af857e54c2fb9be0ad5ef8171e1f2