Aug 02 09:39:42.976 INFO checking fst-0.1.38 against 1.27.2 for lazy_static-1
Aug 02 09:39:42.976 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:39:42.976 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:39:42.977 INFO running `"docker" "create" "-v" "/tmp/crater.VDMaoiycOvJK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 02 09:39:43.211 INFO blam! 829c01a254aa3c7f55c8ef0d6def7da7bed53894c5794a175a670d6a72d40149
Aug 02 09:39:43.220 INFO running `"docker" "start" "-a" "829c01a254aa3c7f55c8ef0d6def7da7bed53894c5794a175a670d6a72d40149"`
Aug 02 09:39:44.406 INFO kablam!     Checking fst v0.1.38 (file:///source)
Aug 02 09:39:48.211 INFO kablam! warning: variable does not need to be mutable
Aug 02 09:39:48.211 INFO kablam!    --> src/raw/build.rs:268:40
Aug 02 09:39:48.211 INFO kablam!     |
Aug 02 09:39:48.211 INFO kablam! 268 |         if let RegistryEntry::NotFound(mut cell) = entry {
Aug 02 09:39:48.211 INFO kablam!     |                                        ----^^^^
Aug 02 09:39:48.211 INFO kablam!     |                                        |
Aug 02 09:39:48.211 INFO kablam!     |                                        help: remove this `mut`
Aug 02 09:39:48.212 INFO kablam!     |
Aug 02 09:39:48.212 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 09:39:48.212 INFO kablam! 
Aug 02 09:39:49.576 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:39:49.576 INFO kablam!  --> benches/build.rs:1:1
Aug 02 09:39:49.576 INFO kablam!   |
Aug 02 09:39:49.576 INFO kablam! 1 | #![feature(test)]
Aug 02 09:39:49.576 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 09:39:49.576 INFO kablam! 
Aug 02 09:39:49.576 INFO kablam! error: aborting due to previous error
Aug 02 09:39:49.576 INFO kablam! 
Aug 02 09:39:49.576 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:39:49.583 INFO kablam! error: Could not compile `fst`.
Aug 02 09:39:49.583 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:39:49.840 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:39:49.840 INFO kablam!  --> benches/search.rs:1:1
Aug 02 09:39:49.840 INFO kablam!   |
Aug 02 09:39:49.840 INFO kablam! 1 | #![feature(test)]
Aug 02 09:39:49.840 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 09:39:49.841 INFO kablam! 
Aug 02 09:39:49.843 INFO kablam! error: aborting due to previous error
Aug 02 09:39:49.843 INFO kablam! 
Aug 02 09:39:49.843 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:39:49.854 INFO kablam! error: Could not compile `fst`.
Aug 02 09:39:49.854 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:39:50.829 INFO kablam! warning: variable does not need to be mutable
Aug 02 09:39:50.829 INFO kablam!    --> src/raw/build.rs:268:40
Aug 02 09:39:50.829 INFO kablam!     |
Aug 02 09:39:50.830 INFO kablam! 268 |         if let RegistryEntry::NotFound(mut cell) = entry {
Aug 02 09:39:50.830 INFO kablam!     |                                        ----^^^^
Aug 02 09:39:50.830 INFO kablam!     |                                        |
Aug 02 09:39:50.830 INFO kablam!     |                                        help: remove this `mut`
Aug 02 09:39:50.830 INFO kablam!     |
Aug 02 09:39:50.830 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 09:39:50.830 INFO kablam! 
Aug 02 09:39:51.895 INFO kablam! error: build failed
Aug 02 09:39:51.897 INFO kablam! su: No module specific data is present
Aug 02 09:39:52.442 INFO running `"docker" "rm" "-f" "829c01a254aa3c7f55c8ef0d6def7da7bed53894c5794a175a670d6a72d40149"`
Aug 02 09:39:52.521 INFO blam! 829c01a254aa3c7f55c8ef0d6def7da7bed53894c5794a175a670d6a72d40149