Aug 02 10:02:32.235 INFO checking flatten-0.2.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 10:02:32.235 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:02:32.235 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:02:32.235 INFO running `"docker" "create" "-v" "/tmp/crater.3f1eALi2VqSe:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 10:02:32.500 INFO blam! 1dac72740f772f4805cfcb5fa48ee9cbd957c7568f07072d01a2453b467148f7
Aug 02 10:02:32.502 INFO running `"docker" "start" "-a" "1dac72740f772f4805cfcb5fa48ee9cbd957c7568f07072d01a2453b467148f7"`
Aug 02 10:02:33.830 INFO kablam!     Checking flatten v0.2.1 (file:///source)
Aug 02 10:02:34.160 INFO kablam! error: `impl Trait for .. {}` is an obsolete syntax
Aug 02 10:02:34.160 INFO kablam!   --> src/cons/mod.rs:25:1
Aug 02 10:02:34.160 INFO kablam!    |
Aug 02 10:02:34.160 INFO kablam! 25 | impl ValidHead for ..{}
Aug 02 10:02:34.160 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:02:34.160 INFO kablam!    |
Aug 02 10:02:34.160 INFO kablam!    = help: use `auto trait Trait {}` instead
Aug 02 10:02:34.162 INFO kablam! 
Aug 02 10:02:34.163 INFO kablam! error: `impl Trait for .. {}` is an obsolete syntax
Aug 02 10:02:34.163 INFO kablam!    --> src/into_cons.rs:142:1
Aug 02 10:02:34.163 INFO kablam!     |
Aug 02 10:02:34.163 INFO kablam! 142 | impl NotTuple for ..{}
Aug 02 10:02:34.163 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:02:34.163 INFO kablam!     |
Aug 02 10:02:34.163 INFO kablam!     = help: use `auto trait Trait {}` instead
Aug 02 10:02:34.163 INFO kablam! 
Aug 02 10:02:34.167 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:02:34.167 INFO kablam!  --> src/lib.rs:1:1
Aug 02 10:02:34.167 INFO kablam!   |
Aug 02 10:02:34.167 INFO kablam! 1 | #![feature(optin_builtin_traits, on_unimplemented, never_type, specialization)]
Aug 02 10:02:34.167 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:02:34.167 INFO kablam! 
Aug 02 10:02:34.170 INFO kablam! error: aborting due to 3 previous errors
Aug 02 10:02:34.170 INFO kablam! 
Aug 02 10:02:34.170 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:02:34.177 INFO kablam! error: Could not compile `flatten`.
Aug 02 10:02:34.177 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:02:34.239 INFO kablam! error: `impl Trait for .. {}` is an obsolete syntax
Aug 02 10:02:34.239 INFO kablam!   --> src/cons/mod.rs:25:1
Aug 02 10:02:34.239 INFO kablam!    |
Aug 02 10:02:34.239 INFO kablam! 25 | impl ValidHead for ..{}
Aug 02 10:02:34.239 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:02:34.239 INFO kablam!    |
Aug 02 10:02:34.239 INFO kablam!    = help: use `auto trait Trait {}` instead
Aug 02 10:02:34.239 INFO kablam! 
Aug 02 10:02:34.239 INFO kablam! error: `impl Trait for .. {}` is an obsolete syntax
Aug 02 10:02:34.239 INFO kablam!    --> src/into_cons.rs:142:1
Aug 02 10:02:34.239 INFO kablam!     |
Aug 02 10:02:34.240 INFO kablam! 142 | impl NotTuple for ..{}
Aug 02 10:02:34.240 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:02:34.240 INFO kablam!     |
Aug 02 10:02:34.240 INFO kablam!     = help: use `auto trait Trait {}` instead
Aug 02 10:02:34.240 INFO kablam! 
Aug 02 10:02:34.244 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:02:34.244 INFO kablam!  --> src/lib.rs:1:1
Aug 02 10:02:34.244 INFO kablam!   |
Aug 02 10:02:34.244 INFO kablam! 1 | #![feature(optin_builtin_traits, on_unimplemented, never_type, specialization)]
Aug 02 10:02:34.244 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:02:34.244 INFO kablam! 
Aug 02 10:02:34.244 INFO kablam! error: aborting due to 3 previous errors
Aug 02 10:02:34.244 INFO kablam! 
Aug 02 10:02:34.245 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:02:34.251 INFO kablam! error: Could not compile `flatten`.
Aug 02 10:02:34.251 INFO kablam! 
Aug 02 10:02:34.251 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:02:34.253 INFO kablam! su: No module specific data is present
Aug 02 10:02:35.004 INFO running `"docker" "rm" "-f" "1dac72740f772f4805cfcb5fa48ee9cbd957c7568f07072d01a2453b467148f7"`
Aug 02 10:02:35.113 INFO blam! 1dac72740f772f4805cfcb5fa48ee9cbd957c7568f07072d01a2453b467148f7