Aug 10 17:29:19.161 INFO checking simsor/sfn against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 17:29:19.161 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 17:29:19.161 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 17:29:19.162 INFO running `"docker" "create" "-v" "/tmp/crater.NqKEIFn1Ilqj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 17:29:19.414 INFO blam! 65480395bdf773e561b0a7b5c2588841e2506e3d11771f307ca7a41b6edbbb82
Aug 10 17:29:19.416 INFO running `"docker" "start" "-a" "65480395bdf773e561b0a7b5c2588841e2506e3d11771f307ca7a41b6edbbb82"`
Aug 10 17:29:20.326 INFO kablam!     Checking rust-ini v0.9.12
Aug 10 17:29:20.326 INFO kablam!     Checking flate2 v0.2.20
Aug 10 17:29:23.485 INFO kablam!     Checking sfnrs v0.1.0 (file:///source)
Aug 10 17:29:24.075 INFO kablam! error[E0308]: mismatched types
Aug 10 17:29:24.075 INFO kablam!   --> src/sfn.rs:57:41
Aug 10 17:29:24.075 INFO kablam!    |
Aug 10 17:29:24.075 INFO kablam! 57 |       fn download(&self) -> Option<String>{
Aug 10 17:29:24.075 INFO kablam!    |  _________________________________________^
Aug 10 17:29:24.075 INFO kablam! 58 | |
Aug 10 17:29:24.075 INFO kablam! 59 | |     }
Aug 10 17:29:24.075 INFO kablam!    | |_____^ expected enum `std::option::Option`, found ()
Aug 10 17:29:24.075 INFO kablam!    |
Aug 10 17:29:24.075 INFO kablam!    = note: expected type `std::option::Option<std::string::String>`
Aug 10 17:29:24.075 INFO kablam!               found type `()`
Aug 10 17:29:24.075 INFO kablam! 
Aug 10 17:29:24.139 INFO kablam! error[E0308]: mismatched types
Aug 10 17:29:24.139 INFO kablam!   --> src/sfn.rs:57:41
Aug 10 17:29:24.139 INFO kablam!    |
Aug 10 17:29:24.140 INFO kablam! 57 |       fn download(&self) -> Option<String>{
Aug 10 17:29:24.140 INFO kablam!    |  _________________________________________^
Aug 10 17:29:24.140 INFO kablam! 58 | |
Aug 10 17:29:24.140 INFO kablam! 59 | |     }
Aug 10 17:29:24.140 INFO kablam!    | |_____^ expected enum `std::option::Option`, found ()
Aug 10 17:29:24.152 INFO kablam!    |
Aug 10 17:29:24.153 INFO kablam!    = note: expected type `std::option::Option<std::string::String>`
Aug 10 17:29:24.153 INFO kablam!               found type `()`
Aug 10 17:29:24.153 INFO kablam! 
Aug 10 17:29:24.267 INFO kablam! error: aborting due to previous error
Aug 10 17:29:24.267 INFO kablam! 
Aug 10 17:29:24.267 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Aug 10 17:29:24.287 INFO kablam! error: Could not compile `sfnrs`.
Aug 10 17:29:24.287 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 17:29:24.342 INFO kablam! error: aborting due to previous error
Aug 10 17:29:24.342 INFO kablam! 
Aug 10 17:29:24.342 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Aug 10 17:29:24.361 INFO kablam! error: Could not compile `sfnrs`.
Aug 10 17:29:24.362 INFO kablam! 
Aug 10 17:29:24.362 INFO kablam! To learn more, run the command again with --verbose.
Aug 10 17:29:24.363 INFO kablam! su: No module specific data is present
Aug 10 17:29:24.927 INFO running `"docker" "rm" "-f" "65480395bdf773e561b0a7b5c2588841e2506e3d11771f307ca7a41b6edbbb82"`
Aug 10 17:29:25.094 INFO blam! 65480395bdf773e561b0a7b5c2588841e2506e3d11771f307ca7a41b6edbbb82